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18</head>
19<body >
20    <nav class="navbar navbar-expand-sm navbar-light bg-light fixed-top mb-5 shadow-sm">
21    <div class="container-lg">
22        <span class="nav-link terminal-text">PengfeiWang<span style="color: #FFAAAA">@SDU</span><span style="color: #ffffff">:</span><span style="color: #ffffff">~</span><span style="color: #ffffff">$</span> Hi there!<span class="terminal-cursor"></span></span>
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36                    <a class="nav-link" href="/publications.html">Publications</a>
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117                        
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120                            <div class="profile-portrait-container avatar-container">
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122                                    src="/assets/images/photos/avatar.png" 
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125                                    data-placement="top" 
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136                            </div>
137                        </div>
138                        
139                    </div>
140                </div>
141                <div class="row">
142                    <div class="col text-center h4">
143                        Pengfei Wang
144                    </div>
145                </div>
146
147                <div class="row small">
148                    <div class="col text-center">
149                        
150                        Ph.D. candidate <br/> @ Shandong University
151                        <img src="/assets/images/badges/sdu_logo_1.png" alt="Logo" class="inline-badge" style="max-height: 1.2em; vertical-align: middle; margin-left: 5px;"/>
152                        <br/>
153                        
154                    </div>
155                </div>
156
157                <div class="row small">
158                    <div class="col text-center">
159                        <a class="email-text follow_href" href="mailto:%70%65%6E%67%66%65%69%31%39%39%38@%66%6F%78%6D%61%69%6C.%63%6F%6D">
160                            pengfei1998(at)foxmail.com
161                        </a>
162                    </div>
163                </div>
164
165                <div class="row pt-2">
166                    <div class="col text-center h4">
167                        <a class="px-1 no-break follow_href" target="_blank" href="https://scholar.google.com/citations?user=p79Je64AAAAJ">
168                            <i class="fab fa-google-scholar"></i>
169                        </a>
170                        
171                        
172                        
173                        <a class="px-1 no-break follow_href" target="_blank" href="https://github.com/sssomeone">
174                            <i class="fab fa-github"></i>
175                        </a>
176                        
177
178                        
179
180                        
181
182                        
183
184                        
185                        <a class="px-1 no-break follow_href" target="_blank" href="https://orcid.org/0000-0002-2079-275X">
186                            <i class="fab fa-orcid"></i>
187                        </a>
188                        
189                    </div>
190                </div>
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194</div>
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196
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198    </div>
199    <div class="col-lg-9 col-md-8">
200
201        <style>
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203  color: #7fa185;
204}
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206a.location_href {
207  color: #7fa185;
208  text-decoration: none; 
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212    border-radius: 15px;
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215
216<div class="mt-3 d-md-none"></div>
217<div class="row">
218    <div class="col">
219        <div class="card border-0 shadow-sm bg-white custom-radius">
220            <div class="card-body p-4">
221                <div class="row px-3 pt-3">
222                    <div class="col h3 d-flex align-items-center">
223                        About Me
224                        <img src="/assets/images/cat.png" alt="Cat" style="height: 56px; margin-left: 10px; vertical-align: middle;">
225                    </div>
226                </div>
227                <div class="row p-3">
228                    <div class="col">
229                        <div class="text-profile-bio mt-0" >
230                            <p>I am Pengfei Wang (王鹏飞), a Ph.D. candidate at the <a href="https://irc.cs.sdu.edu.cn" class="profile_href">Interdisciplinary Research Center</a>,  <a href="https://www.en.sdu.edu.cn" class="profile_href">Shandong University</a>, where I have been conducting research under the supervision of  Prof. <a href="https://irc.cs.sdu.edu.cn/~chtu/index.html" class="profile_href">Changhe Tu</a> and Prof. <a href="https://irc.cs.sdu.edu.cn/~shiqing/index.html" class="profile_href">Shiqing Xin</a>. </p> <p> I grew up in <a href="https://en.wikipedia.org/wiki/Binzhou" class="profile_href">Binzhou, Shandong, China</a>.  I spent my most memorable time at <a href="https://baike.baidu.com/item/山东省北镇中学/3220438" class="profile_href">Beizhen Middle School</a> (class of 2014), where I made some truly great friends. </p>
231                        </div>
232                        
233                            <a class="follow_href" target="_blank" href="/assets/pdf/cv-en.pdf"><i class="fas fa-file-alt"></i> Curriculum Vitae</a>
234                            
235                            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="follow_href" target="_blank" href="/assets/pdf/cv-cn.pdf"><i class="fas fa-file-alt"></i> 简历</a>
236                            
237                            <br/>
238                        
239                    </div>
240        
241                </div>
242            </div>
243        </div>        
244    </div>
245</div>
246
247        <!-- Debugging widgets -->
248        <div id="ghpages-domain-debug-message" class="row mt-3 d-none">
249    <div class="col">
250        <div class="alert alert-warning my-0" role="alert">
251            <h5><i class="fas fa-exclamation-triangle"></i> Warning</h5>
252            <strong>Problem:</strong>
253            The current name of your GitHub Pages repository ("<code class="repo-name-text"></code>") does not match the recommended repository name for your site ("<code class="domain-name-text"></code>").
254            <br>
255            <strong>Solution:</strong> Please consider renaming the repository to "<code class="domain-name-text"></code>", so that your site can be accessed directly at "<code>http://<span class="domain-name-text"></span></code>".
256            However, if the current repository name is intended, you can ignore this message by removing "<code>{% include widgets/debug_repo_name.html %}</code>" in <code>index.html</code>.
257        </div>
258    </div>
259</div>
260
261<script>
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274
275        <div id="url-debug-message" class="row mt-3 d-none">
276    <div class="col">
277        <div class="alert alert-warning my-0" role="alert">
278            <h5><i class="fas fa-exclamation-triangle"></i> Action required</h5>
279            <strong>Problem:</strong>
280            The current root path of this site is "<code class="root-path-text"></code>",
281            which does not match the <code>baseurl</code> ("<code></code>") configured in <code>_config.yml</code>.
282            <br>
283
284            <strong>Solution:</strong>
285            Please set the <code>baseurl</code> in <code>_config.yml</code> to "<code class="root-path-text"></code>".
286        </div>
287    </div>
288</div>
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290<script>
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299
300
301        
302            <style>
303 
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412
413
414
415
416<div class="row mt-3">
417    <div class="col">
418        <div class="card border-0 shadow-sm bg-white custom-radius">
419            <div class="card-body p-4">
420                <div class="mx-2 my-1">
421                    <h5>👩‍🎓Education</h5>
422                    <ul class="list-unstyled mb-1 timeline">
423                        
424                        <li class="media mb-2 timeline-item">
425                            <div class="timeline-date"><em>Sep. 2024 - Present</em></div>
426                            <div class="media-body timeline-content">
427                                <div class="d-flex align-items-center">
428                                    <div class="institution-name">Shandong University</div>
429                                    <div class="ml-2 d-flex align-items-center">
430                                        <img src="/assets/images/badges/sdu_logo_1.png" alt="Shandong University" style="height: 24px;" class="mr-1">
431                                        
432                                    </div>
433                                </div>
434                                <div class="small"></div>
435                                <div class="small d-flex">
436                                    <div>Interdisciplinary Research Center <br/> Ph.D. Student</div>
437                                </div>
438                            </div>
439                        </li>
440                        
441                        <li class="media mb-2 timeline-item">
442                            <div class="timeline-date"><em>Sep. 2021 - Jun. 2024</em></div>
443                            <div class="media-body timeline-content">
444                                <div class="d-flex align-items-center">
445                                    <div class="institution-name">Shandong University</div>
446                                    <div class="ml-2 d-flex align-items-center">
447                                        <img src="/assets/images/badges/sdu_logo_1.png" alt="Shandong University" style="height: 24px;" class="mr-1">
448                                        
449                                    </div>
450                                </div>
451                                <div class="small"></div>
452                                <div class="small d-flex">
453                                    <div>Interdisciplinary Research Center <br/>
453 Master Student</div>
454                                </div>
455                            </div>
456                        </li>
457                        
458                        <li class="media mb-2 timeline-item">
459                            <div class="timeline-date"><em>Sep. 2017 - Jun. 2021</em></div>
460                            <div class="media-body timeline-content">
461                                <div class="d-flex align-items-center">
462                                    <div class="institution-name">Hunan Normal University</div>
463                                    <div class="ml-2 d-flex align-items-center">
464                                        <img src="/assets/images/badges/hunnu.png" alt="Hunan Normal University" style="height: 24px;" class="mr-1">
465                                        
466                                    </div>
467                                </div>
468                                <div class="small"></div>
469                                <div class="small d-flex">
470                                    <div>B.S. in Information Science and Engineering</div>
471                                </div>
472                            </div>
473                        </li>
474                        
475                    </ul>
476                </div>
477            </div>
478        </div>
479    </div>
480</div>
481
482
483
484<div class="row mt-3">
485    <div class="col">
486        <div class="card border-0 shadow-sm bg-white custom-radius">
487            <div class="card-body p-4">
488                <div class="mx-2 my-1">
489                    <h5>🏆 Honors & Awards</h5>
490                    <ul class="list small pl-3 mb-1">
491                        
492                        <li class="mb-2">
493                            <div class="d-flex">
494                                <div class="institution-name">The CAST Youth Science and Technology Talent Cultivation Program for Doctoral Students</div>
495                                <div class="ml-auto mt-auto no-break"><em>2025</em></div>
496                            </div>
497                        </li>
498                        
499                        <li class="mb-2">
500                            <div class="d-flex">
501                                <div class="institution-name">National Scholarships</div>
502                                <div class="ml-auto mt-auto no-break"><em>2025</em></div>
503                            </div>
504                        </li>
505                        
506                        <li class="mb-2">
507                            <div class="d-flex">
508                                <div class="institution-name">Best Paper Award (18th International Conference on Geometric Modeling and Processing)</div>
509                                <div class="ml-auto mt-auto no-break"><em>2024</em></div>
510                            </div>
511                        </li>
512                        
513                    </ul>
514                </div>
515            </div>
516        </div>
517    </div>
518</div>
519
520
521        
522
523         
524        
525        
526        <style>
527 
528  .custom-radius {
529      border-radius: 15px;
530  }
531  </style>
532<div class="my-3 bg-white shadow-sm custom-radius">
533    <h6 class="p-3 mb-0 border-bottom border-gray"><i class="fas fa-rss"></i> News</h6>
534    <div class="px-3 pb-1">
535        
536        <div class="media py-1 ">
537            
538            <div class="mr-3 text-muted my-1">2026</div>
539            <div class="media-body">
540                
541                <div class="my-1 d-flex">
542                    <div>Two papers accepted to SIGGRAPH 2026.</div>
543                    <div class="ml-auto mt-auto text-muted no-break"><i>Apr 29</i></div>
544                </div>
545                
546                <div class="my-1 d-flex">
547                    <div>One paper is accepted to TVCG.</div>
548                    <div class="ml-auto mt-auto text-muted no-break"><i>Apr 15</i></div>
549                </div>
550                
551            </div>
552        </div>
553        
554        <div class="media py-1 border-top border-gray">
555            
556            <div class="mr-3 text-muted my-1">2025</div>
557            <div class="media-body">
558                
559                <div class="my-1 d-flex">
560                    <div>One paper is accepted to TPAMI.</div>
561                    <div class="ml-auto mt-auto text-muted no-break"><i>Sep 17</i></div>
562                </div>
563                
564                <div class="my-1 d-flex">
565                    <div>One paper is accepted to PG 2025, recommended for publication in the CGF.</div>
566                    <div class="ml-auto mt-auto text-muted no-break"><i>Aug 01</i></div>
567                </div>
568                
569                <div class="my-1 d-flex">
570                    <div>One paper is accepted to the SPM 2025, recommended for publication in the CAD.</div>
571                    <div class="ml-auto mt-auto text-muted no-break"><i>Jul 21</i></div>
572                </div>
573                
574                <div class="my-1 d-flex">
575                    <div>One paper is accepted to TVCG.</div>
576                    <div class="ml-auto mt-auto text-muted no-break"><i>Jan 15</i></div>
577                </div>
578                
579            </div>
580        </div>
581        
582    </div>
583</div>
584
585        
586        
587
588        <!-- <style>
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602
603 
604<div class="my-3 p-0 bg-white shadow-sm custom-radius">
605    <div class="card-body">
606        <div class="d-flex align-items-center">
607            <img src="/assets/images/cute_icons/270d-fe0f.png" alt="Star" style="height: 1.6em; width: auto; margin-right: 0.5em;">
608            <h5 class="mb-0">Research Overview</h5>
609        </div>
610        <p class="card-text">
611            A central theme of my doctoral research is the <strong>generation and editing of high-quality, realistic digital humans</strong>. My work spans from 2D portrait representations to 3D avatar creation, progresses from static to dynamic digital humans, and scales from zero-shot generation to large-scale, multi-modal model training. 
612        </p>
613        <p class="card-text">
614            Below is an overview that showcases all of my papers through a single identity!
615        </p>
616        <div class="text-center mt-4">
617            <img src="/assets/images/overview.png" alt="Research Overview" class="img-fluid">
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643        <img src="/assets/images/cute_icons/2b50.png" alt="Star" style="height: 1.6em; width: auto; vertical-align: middle; display: inline-block;"> Selected Publications 
644        <a href="/publications.html" class="pub-link">(view all <i class="fas fa-angle-double-right"></i>)</a>
645    </h5>
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649
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684
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686<div class="d-none d-md-block">
687    <div class="row no-gutters border-bottom border-gray ">
688        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/csapproximate.png" alt="Efficient Approximate Point-to-Mesh Distance Query via Sampling Proxies and Dynamic Programming" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">COMPUTER SCIENCE</div></div>
689        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
690            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
691              
692                Efficient Approximate Point-to-Mesh Distance Query via Sampling Proxies and Dynamic Programming
693              
694            </h5>
695            <p class="mt-0 mb-0 small"><span class="text-body" >
696            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
697            Qinghao Guo; </span><a class="text-body" target="_blank" href="https://qiongzn.github.io/">Qiong Zeng</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>.</p>
698            <p class="mt-0 mb-0 small "><i><b>COMPUTER SCIENCE (in Chinese)</b></i> 2026 </p>
699            <p class="mt-0 mb-0 small text-muted">We extend DP-NNS to fast approximate point-to-mesh distance queries using Delaunay-connected proxy points, achieving 2-10X speedups over existing methods.</p>
700            
701            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
702                
703                
704                <a target="_blank" href="https://kns.cnki.net/kcms2/article/abstract?v=sUuNT8fGw0a1dEDEY978iFGCI4GjY2ypY_YuGKl9VtUtUmsIVs4QQkp_MHXuC-14caLNnmaPTHqfQhYE19gRveDOTz4D2qPT7jLK80iXNgEnzRiAIx0g1vIP0UCk61OhEqZRGur5AI0ImKjES34KonUGoXaHHqOnHRGVK1omwKQ=&uniplatform=NZKPT" class="item_link">[Link]</a>
705                
706                
707            </p>
708
709        </div>
710    </div>
711</div>
712
713<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/csapproximate.png">
714    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
715        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
716            <div class="mb-auto"></div>
717            <div>
718                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
719                  
720                    Efficient Approximate Point-to-Mesh Distance Query via Sampling Proxies and Dynamic Programming
721                  
722                </h5>
723                <p class="mt-0 mb-0 small"><span class="text-body" >
724            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
725            Qinghao Guo; </span><a class="text-body" target="_blank" href="https://qiongzn.github.io/">Qiong Zeng</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>.</p>
726                <p class="mt-0 mb-0 small><i>COMPUTER SCIENCE (in Chinese)</i> 2026 </p>
727                <p class="mt-0 mb-0 small text-muted">We extend DP-NNS to fast approximate point-to-mesh distance queries using Delaunay-connected proxy points, achieving 2-10X speedups over existing methods.</p>
728                
729                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
730                    
731                    
732                    <a target="_blank" href="https://kns.cnki.net/kcms2/article/abstract?v=sUuNT8fGw0a1dEDEY978iFGCI4GjY2ypY_YuGKl9VtUtUmsIVs4QQkp_MHXuC-14caLNnmaPTHqfQhYE19gRveDOTz4D2qPT7jLK80iXNgEnzRiAIx0g1vIP0UCk61OhEqZRGur5AI0ImKjES34KonUGoXaHHqOnHRGVK1omwKQ=&uniplatform=NZKPT" class="item_link">[Link]</a>
733                    
734                    
735                </p>
736            </div><div class="pub-badge">COMPUTER SCIENCE</div></div>
737    </div>
738
739</div>    
740    
741        
742
743
744<style>
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780<div class="d-none d-md-block">
781    <div class="row no-gutters border-bottom border-gray ">
782        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/StructuralMAT.png" alt="Structural MAT: Clean and 
782Scalable Medial Axis Simplification via Explicit Surface Correspondence" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">SIGGRAPH</div></div>
783        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
784            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
785              
786                Structural MAT: Clean and Scalable Medial Axis Simplification via Explicit Surface Correspondence
787              
788            </h5>
789            <p class="mt-0 mb-0 small"><span class="text-body" >
790            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://sites.google.com/site/yandongming/dong-ming-yans-homepage">Dongming Yan</a>; <a class="text-body" target="_blank" href="https://personal.ntu.edu.sg/yhe/">Ying He</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
791            <p class="mt-0 mb-0 small "><i><b>ACM Transactions on Graphics (Proceedings of SIGGRAPH)</b></i> 2026 </p>
792            <p class="mt-0 mb-0 small text-muted">We introduce a QEM-based simplification approach that explicitly tracks surface correspondence to generate clean, scalable, and structurally aligned Medial Axis Transforms (MATs), even under extreme simplification.</p>
793            
794            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
795                
796                
797                <a target="_blank" href="assets/papers/Structural_MAT.pdf" class="item_link">[Paper]</a>
798                
799                
800                
801                <a target="_blank" href="https://arxiv.org/abs/2605.02302" class="item_link">[Arxiv]</a>
802                
803                
804                
805                <a target="_blank" href="https://github.com/sssomeone/structural-mat" class="item_link">[Code]</a>
806                
807                
808                
809                <a target="_blank" href="https://dl.acm.org/doi/10.1145/3811291" class="item_link">[Link]</a>
810                
811                
812            </p>
813
814        </div>
815    </div>
816</div>
817
818<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/StructuralMAT.png">
819    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
820        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
821            <div class="mb-auto"></div>
822            <div>
823                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
824                  
825                    Structural MAT: Clean and Scalable Medial Axis Simplification via Explicit Surface Correspondence
826                  
827                </h5>
828                <p class="mt-0 mb-0 small"><span class="text-body" >
829            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://sites.google.com/site/yandongming/dong-ming-yans-homepage">Dongming Yan</a>; <a class="text-body" target="_blank" href="https://personal.ntu.edu.sg/yhe/">Ying He</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
830                <p class="mt-0 mb-0 small><i>ACM Transactions on Graphics (Proceedings of SIGGRAPH)</i> 2026 </p>
831                <p class="mt-0 mb-0 small text-muted">We introduce a QEM-based simplification approach that explicitly tracks surface correspondence to generate clean, scalable, and structurally aligned Medial Axis Transforms (MATs), even under extreme simplification.</p>
832                
833                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
834                    
835                    
836                    <a target="_blank" href="assets/papers/Structural_MAT.pdf" class="item_link">[Paper]</a>
837                    
838                    
839                    
840                    <a target="_blank" href="https://arxiv.org/abs/2605.02302" class="item_link">[Arxiv]</a>
841                    
842                    
843                    
844                    <a target="_blank" href="https://github.com/sssomeone/structural-mat" class="item_link">[Code]</a>
845                    
846                    
847                    
848                    <a target="_blank" href="https://dl.acm.org/doi/10.1145/3811291" class="item_link">[Link]</a>
849                    
850                    
851                </p>
852            </div><div class="pub-badge">SIGGRAPH</div></div>
853    </div>
854
855</div>    
856    
857        
858
859
860<style>
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895
896<div class="d-none d-md-block">
897    <div class="row no-gutters border-bottom border-gray ">
898        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/manifold.png" alt="Manifold k-NN: A
898ccelerated k-NN Queries for Manifold Point Clouds" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">SIGGRAPH</div></div>
899        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
900            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
901              
902                Manifold k-NN: Accelerated k-NN Queries for Manifold Point Clouds
903              
904            </h5>
905            <p class="mt-0 mb-0 small"><span class="text-body" >
906            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
907            Qinghao Guo; </span><a class="text-body" target="_blank" href="https://haisenzhao.github.io/">Haisen Zhao</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
908            <p class="mt-0 mb-0 small "><i><b>ACM Transactions on Graphics (Proceedings of SIGGRAPH)</b></i> 2026 </p>
909            <p class="mt-0 mb-0 small text-muted">We introduce Manifold k-NN, a recursive framework that accelerates k-NN queries on manifold point clouds by 3x-5x over kd-trees, natively supporting dynamic prefix queries and neighborhood maintenance.</p>
910            
911            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
912                
913                
914                <a target="_blank" href="assets/papers/ManifoldKNN.pdf" class="item_link">[Paper]</a>
915                
916                
917                
918                <a target="_blank" href="https://arxiv.org/abs/2605.02224" class="item_link">[Arxiv]</a>
919                
920                
921                
922                <a target="_blank" href="https://github.com/sssomeone/manifold-knn" class="item_link">[Code]</a>
923                
924                
925                
926                <a target="_blank" href="https://dl.acm.org/doi/10.1145/3811271" class="item_link">[Link]</a>
927                
928                
929            </p>
930
931        </div>
932    </div>
933</div>
934
935<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/manifold.png">
936    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
937        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
938            <div class="mb-auto"></div>
939            <div>
940                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
941                  
942                    Manifold k-NN: Accelerated k-NN Queries for Manifold Point Clouds
943                  
944                </h5>
945                <p class="mt-0 mb-0 small"><span class="text-body" >
946            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
947            Qinghao Guo; </span><a class="text-body" target="_blank" href="https://haisenzhao.github.io/">Haisen Zhao</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
948                <p class="mt-0 mb-0 small><i>ACM Transactions on Graphics (Proceedings of SIGGRAPH)</i> 2026 </p>
949                <p class="mt-0 mb-0 small text-muted">We introduce Manifold k-NN, a recursive framework that accelerates k-NN queries on manifold point clouds by 3x-5x over kd-trees, natively supporting dynamic prefix queries and neighborhood maintenance.</p>
950                
951                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
952                    
953                    
954                    <a target="_blank" href="assets/papers/ManifoldKNN.pdf" class="item_link">[Paper]</a>
955                    
956                    
957                    
958                    <a target="_blank" href="https://arxiv.org/abs/2605.02224" class="item_link">[Arxiv]</a>
959                    
960                    
961                    
962                    <a target="_blank" href="https://github.com/sssomeone/manifold-knn" class="item_link">[Code]</a>
963                    
964                    
965                    
966                    <a target="_blank" href="https://dl.acm.org/doi/10.1145/3811271" class="item_link">[Link]</a>
967                    
968                    
969                </p>
970            </div><div class="pub-badge">SIGGRAPH</div></div>
971    </div>
972
973</div>    
974    
975        
976
977
978<style>
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1012
1013
1014<div class="d-none d-md-block">
1015    <div class="row no-gutters border-bottom border-gray ">
1016        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/surfaceextract.png" alt="Power Diagram Enhanced Adaptive Isosurface Extraction from Signed Distance Fields" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">TVCG</div></div>
1017        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1018            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1019              
1020                Power Diagram Enhanced Adaptive Isosurface Extraction from Signed Distance Fields
1021              
1022            </h5>
1023            <p class="mt-0 mb-0 small"><span class="text-body" >
1024            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
1025            Ziyang Zhang; </span><span class="text-body" >
1026            Wensong Wang; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <span class="text-body" >
1027            Lin Lu; </span><a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>.</p>
1028            <p class="mt-0 mb-0 small "><i><b>IEEE Transactions on Visualization and Computer Graphics (TVCG)</b></i> 2026 </p>
1029            <p class="mt-0 mb-0 small text-muted">A novel isosurface extraction framework that leverages incrementally constructed power diagrams and adaptive sampling to capture intricate geometric and topological details from Signed Distance Fields with minimal computational cost.</p>
1030            
1031            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1032                
1033                
1034                <a target="_blank" href="assets/papers/surfaceExtract.pdf" class="item_link">[Paper]</a>
1035                
1036                
1037                
1038                <a target="_blank" href="https://arxiv.org/abs/2506.09579" class="item_link">[Arxiv]</a>
1039                
1040                
1041                
1042                <a target="_blank" href="https://ieeexplore.ieee.org/document/11489174" class="item_link">[Link]</a>
1043                
1044                
1045            </p>
1046
1047        </div>
1048    </div>
1049</div>
1050
1051<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/surfaceextract.png">
1052    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
1053        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1054            <div class="mb-auto"></div>
1055            <div>
1056                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1057                  
1058                    Power Diagram Enhanced Adaptive Isosurface Extraction from Signed Distance Fields
1059                  
1060                </h5>
1061                <p class="mt-0 mb-0 small"><span class="text-body" >
1062            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><span class="text-body" >
1063            Ziyang Zhang; </span><span class="text-body" >
1064            Wensong Wang; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <span class="text-body" >
1065            Lin Lu; </span><a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>.</p>
1066                <p class="mt-0 mb-0 small><i>IEEE Transactions on Visualization and Computer Graphics (TVCG)</i> 2026 </p>
1067                <p class="mt-0 mb-0 small text-muted">A novel isosurface extraction framework that leverages incrementally constructed power diagrams and adaptive sampling to capture intricate geometric and topological details from Signed Distance Fields with minimal computational cost.</p>
1068                
1069                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1070                    
1071                    
1072                    <a target="_blank" href="assets/papers/surfaceExtract.pdf" class="item_link">[Paper]</a>
1073                    
1074                    
1075                    
1076                    <a target="_blank" href="https://arxiv.org/abs/2506.09579" class="item_link">[Arxiv]</a>
1077                    
1078                    
1079                    
1080                    <a target="_blank" href="https://ieeexplore.ieee.org/document/11489174" class="item_link">[Link]</a>
1081                    
1082                    
1083                </p>
1084            </div><div class="pub-badge">TVCG</div></div>
1085    </div>
1086
1087</div>    
1088    
1089        
1090
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1130        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/pgsw.png" alt="Swept Volume Computation with Enhanced Geometric Detail Preservation" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">CGF</div></div>
1131        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1132            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1133              
1134                Swept Volume Computation with Enhanced Geometric Detail Preservation
1135              
1136            </h5>
1137            <p class="mt-0 mb-0 small"><span class="text-body" >
1138            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><span class="text-body" >
1139            Yuexin Yang*; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1140<mark>(* <i> equal contribution</i>)</mark></p>
1141            <p class="mt-0 mb-0 small "><i><b>Computer Graphics Forum (CGF). Presented at PG</b></i> 2025 </p>
1142            <p class="mt-0 mb-0 small text-muted">A novel multi-field tetrahedral framework that inverts motion perspective to robustly compute swept volumes with high geometric fi
1142delity, effectively resolving complex self-intersections where traditional single-field methods fail.</p>
1143            
1144            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1145                
1146                
1147                <a target="_blank" href="assets/papers/SweepVolume.pdf" class="item_link">[Paper]</a>
1148                
1149                
1150                
1151                <a target="_blank" href="https://youtu.be/RgVmvdftXNs?si=zrvxoWNkN8agKtMi" class="item_link">[Video]</a>
1152                
1153                
1154                
1155                <a target="_blank" href="assets/slides/Swept_Volume_Computation_with_Enhanced_Geometric_Detail_Preservation.pptx" class="item_link">[Slides]</a>
1156                
1157                
1158                
1159                <a target="_blank" href="https://arxiv.org/abs/2509.09325" class="item_link">[Arxiv]</a>
1160                
1161                
1162                
1163                <a target="_blank" href="https://onlinelibrary.wiley.com/doi/10.1111/cgf.70238" class="item_link">[Link]</a>
1164                
1165                
1166            </p>
1167
1168        </div>
1169    </div>
1170</div>
1171
1172<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/pgsw.png">
1173    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
1174        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1175            <div class="mb-auto"></div>
1176            <div>
1177                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1178                  
1179                    Swept Volume Computation with Enhanced Geometric Detail Preservation
1180                  
1181                </h5>
1182                <p class="mt-0 mb-0 small"><span class="text-body" >
1183            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><span class="text-body" >
1184            Yuexin Yang*; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1185<mark>(* <i> equal contribution</i>)</mark></p>
1186                <p class="mt-0 mb-0 small><i>Computer Graphics Forum (CGF). Presented at PG</i> 2025 </p>
1187                <p class="mt-0 mb-0 small text-muted">A novel multi-field tetrahedral framework that inverts motion perspective to robustly compute swept volumes with high geometric fidelity, effectively resolving complex self-intersections where traditional single-field methods fail.</p>
1188                
1189                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1190                    
1191                    
1192                    <a target="_blank" href="assets/papers/SweepVolume.pdf" class="item_link">[Paper]</a>
1193                    
1194                    
1195                    
1196                    <a target="_blank" href="https://youtu.be/RgVmvdftXNs?si=zrvxoWNkN8agKtMi" class="item_link">[Video]</a>
1197                    
1198                    
1199                    
1200                    <a target="_blank" href="assets/slides/Swept_Volume_Computation_with_Enhanced_Geometric_Detail_Preservation.pptx" class="item_link">[Slides]</a>
1201                    
1202                    
1203                    
1204                    <a target="_blank" href="https://arxiv.org/abs/2509.09325" class="item_link">[Arxiv]</a>
1205                    
1206                    
1207                    
1208                    <a target="_blank" href="https://onlinelibrary.wiley.com/doi/10.1111/cgf.70238" class="item_link">[Link]</a>
1209                    
1210                    
1211                </p>
1212            </div><div class="pub-badge">CGF</div></div>
1213    </div>
1214
1215</div>    
1216    
1217        
1218
1219
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1258        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/nns2.png" alt="Efficient Nearest Neighbor Search Using Dynamic Programming" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">TPAMI</div></div>
1259        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1260            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1261              
1262                <a href="project_page/nns/" class="item_link" target="_blank">Efficient Nearest Neighbor Search Using Dynamic Programming</a>
1263              
1264            </h5>
1265            <p class="mt-0 mb-0 small"><span class="text-body" >
1266            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://yuemos.github.io">Jiantao Song</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>; <span class="text-body" >
1267            Jiaye Wang</span>.</p>
1268            <p class="mt-0 mb-0 small "><i><b>IEEE Transactions on Pattern Analysis and Machine Intelligence</b></i> 2025 </p>
1269            <p class="mt-0 mb-0 small text-muted">A novel dynamic programming framework that encodes the incremental evolution of Voronoi diagrams into a DAG to accelerate nearest neighbor search on manifolds and reduce density peak clustering complexity to $O(n \log n)$.</p>
1270            
1271            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1272                
1273                
1274                <a target="_blank" href="assets/papers/nearestNeighborSearch.pdf" class="item_link">[Paper]</a>
1275                
1276                
1277                
1278                <a target="_blank" href="project_page/nns/" class="item_link">[Project]</a>
1279                
1280                
1281                
1282                <a target="_blank" href="https://github.com/sssomeone/DPNN" class="item_link">[Code]</a>
1283                
1284                
1285                
1286                <a target="_blank" href="https://arxiv.org/abs/2409.15023" class="item_link">[Arxiv]</a>
1287                
1288                
1289                
1290                <a target="_blank" href="https://ieeexplore.ieee.org/document/11165079" class="item_link">[Link]</a>
1291                
1292                
1293            </p>
1294
1295        </div>
1296    </div>
1297</div>
1298
1299<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/nns2.png">
1300    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
1301        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1302            <div class="mb-auto"></div>
1303            <div>
1304                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1305                  
1306                    <a href="project_page/nns/" class="item_link" target="_blank">Efficient Nearest Neighbor Search Using Dynamic Programming</a>
1307                  
1308                </h5>
1309                <p class="mt-0 mb-0 small"><span class="text-body" >
1310            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://yuemos.github.io">Jiantao Song</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>; <span class="text-body" >
1311            Jiaye Wang</span>.</p>
1312                <p class="mt-0 mb-0 small><i>IEEE Transactions on Pattern Analysis and Machine Intelligence</i> 2025 </p>
1313                <p class="mt-0 mb-0 small text-muted">A novel dynamic programming framework that encodes the incremental evolution of Voronoi diagrams into a DAG to accelerate nearest neighbor search on manifolds and reduce density peak clustering complexity to $O(n \log n)$.</p>
1314                
1315                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1316                    
1317                    
1318                    <a target="_blank" href="assets/papers/nearestNeighborSearch.pdf" class="item_link">[Paper]</a>
1319                    
1320                    
1321                    
1322                    <a target="_blank" href="project_page/nns/" class="item_link">[Project]</a>
1323                    
1324                    
1325                    
1326                    <a target="_blank" href="https://github.com/sssomeone/DPNN" class="item_link">[Code]</a>
1327                    
1328                    
1329                    
1330                    <a target="_blank" href="https://arxiv.org/abs/2409.15023" class="item_link">[Arxiv]</a>
1331                    
1332                    
1333                    
1334                    <a target="_blank" href="https://ieeexplore.ieee.org/document/11165079" class="item_link">[Link]</a>
1335                    
1336                    
1337                </p>
1338            </div><div class="pub-badge">TPAMI</div></div>
1339    </div>
1340
1341</div>    
1342    
1343        
1344
1345
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1382<div class="d-none d-md-block">
1383    <div class="row no-gutters border-bottom border-gray ">
1384        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/WechatIMG2766.jpg" alt="Toward Precise Curve Offsetting Constrained to Parametric Surfaces" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">CAD</div></div>
1385        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1386            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1387              
1388                Toward Precise Curve Offsetting Constrained to Parametric Surfaces
1389              
1390            </h5>
1391            <p class="mt-0 mb-0 small"><span class="text-body" >
1392            Jin Zhao*;
1392 </span><span class="text-body" >
1393            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <span class="text-body" >
1394            Jiong Guo; </span><a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1395<mark>(* <i> equal contribution</i>)</mark></p>
1396            <p class="mt-0 mb-0 small "><i><b>Computer-Aided Design (CAD). Presented at SPM</b></i> 2025 </p>
1397            <p class="mt-0 mb-0 small text-muted">A novel offset computation paradigm that utilizes surface-constrained Voronoi decomposition and intrinsic triangulation to transform complex geodesic tracing into efficient, localized cell-traversal operations on parametric surfaces.</p>
1398            
1399            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1400                
1401                
1402                <a target="_blank" href="assets/papers/Toward_Precise_Curve_Offsetting_Constrained_to_Parametric_Surfaces.pdf" class="item_link">[Paper]</a>
1403                
1404                
1405                
1406                <a target="_blank" href="assets/slides/Toward Precise Curve Offsetting Constrained to Parametric Surfaces.pptx" class="item_link">[Slides]</a>
1407                
1408                
1409                
1410                <a target="_blank" href="https://arxiv.org/abs/2509.09333" class="item_link">[Arxiv]</a>
1411                
1412                
1413                
1414                <a target="_blank" href="https://www.sciencedirect.com/science/article/pii/S0010448525000776?via%3Dihub" class="item_link">[Link]</a>
1415                
1416                
1417            </p>
1418
1419        </div>
1420    </div>
1421</div>
1422
1423<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/WechatIMG2766.jpg">
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1425        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1426            <div class="mb-auto"></div>
1427            <div>
1428                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1429                  
1430                    Toward Precise Curve Offsetting Constrained to Parametric Surfaces
1431                  
1432                </h5>
1433                <p class="mt-0 mb-0 small"><span class="text-body" >
1434            Jin Zhao*; </span><span class="text-body" >
1435            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <span class="text-body" >
1436            Jiong Guo; </span><a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1437<mark>(* <i> equal contribution</i>)</mark></p>
1438                <p class="mt-0 mb-0 small><i>Computer-Aided Design (CAD). Presented at SPM</i> 2025 </p>
1439                <p class="mt-0 mb-0 small text-muted">A novel offset computation paradigm that utilizes surface-constrained Voronoi decomposition and intrinsic triangulation to transform complex geodesic tracing into efficient, localized cell-traversal operations on parametric surfaces.</p>
1440                
1441                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1442                    
1443                    
1444                    <a target="_blank" href="assets/papers/Toward_Precise_Curve_Offsetting_Constrained_to_Parametric_Surfaces.pdf" class="item_link">[Paper]</a>
1445                    
1446                    
1447                    
1448                    <a target="_blank" href="assets/slides/Toward Precise Curve Offsetting Constrained to Parametric Surfaces.pptx" class="item_link">[Slides]</a>
1449                    
1450                    
1451                    
1452                    <a target="_blank" href="https://arxiv.org/abs/2509.09333" class="item_link">[Arxiv]</a>
1453                    
1454                    
1455                    
1456                    <a target="_blank" href="https://www.sciencedirect.com/science/article/pii/S0010448525000776?via%3Dihub" class="item_link">[Link]</a>
1457                    
1458                    
1459                </p>
1460            </div><div class="pub-badge">CAD</div></div>
1461    </div>
1462
1463</div>    
1464    
1465        
1466
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1506        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/spacevoronoi.png" alt="Towards Voronoi Diagrams of Surface Patches" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">TVCG</div></div>
1507        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1508            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1509              
1510                Towards Voronoi Diagrams of Surface Patches
1511              
1512            </h5>
1513            <p class="mt-0 mb-0 small"><span class="text-body" >
1514            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://yuemos.github.io">Jiantao Song</a>; <a class="text-body" target="_blank" href="https://alan-leo-wong.github.io">Lei Wang</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://sites.google.com/site/yandongming/dong-ming-yans-homepage">Dongming Yan</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
1515            <p class="mt-0 mb-0 small "><i><b>IEEE Transactions on Visualization and Computer Graphics (TVCG)</b></i> 2025 </p>
1516            <p class="mt-0 mb-0 small text-muted">A high-fidelity medial axis extraction framework that generalizes Voronoi computation to 4D space via hyperplane cutting within tetrahedral elements, effectively resolving complex surface patch interactions to eliminate discretization artifacts.</p>
1517            
1518            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1519                
1520                
1521                <a target="_blank" href="assets/papers/spaceVoronoi.pdf" class="item_link">[Paper]</a>
1522                
1523                
1524                
1525                <a target="_blank" href="https://arxiv.org/abs/2411.06471" class="item_link">[Arxiv]</a>
1526                
1527                
1528                
1529                <a target="_blank" href="https://ieeexplore.ieee.org/document/10845125" class="item_link">[Link]</a>
1530                
1531                
1532            </p>
1533
1534        </div>
1535    </div>
1536</div>
1537
1538<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/spacevoronoi.png">
1539    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
1540        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1541            <div class="mb-auto"></div>
1542            <div>
1543                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1544                  
1545                    Towards Voronoi Diagrams of Surface Patches
1546                  
1547                </h5>
1548                <p class="mt-0 mb-0 small"><span class="text-body" >
1549            <strong style='color: #7fa185;'>Pengfei Wang</strong>; </span><a class="text-body" target="_blank" href="https://yuemos.github.io">Jiantao Song</a>; <a class="text-body" target="_blank" href="https://alan-leo-wong.github.io">Lei Wang</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://sites.google.com/site/yandongming/dong-ming-yans-homepage">Dongming Yan</a>; <a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.</p>
1550                <p class="mt-0 mb-0 small><i>IEEE Transactions on Visualization and Computer Graphics (TVCG)</i> 2025 </p>
1551                <p class="mt-0 mb-0 small text-muted">A high-fidelity medial axis extraction framework that generalizes Voronoi computation to 4D space via hyperplane cutting within tetrahedral elements, effectively resolving complex surface patch interactions to eliminate discretization artifacts.</p>
1552                
1553                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1554                    
1555                    
1556                    <a target="_blank" href="assets/papers/spaceVoronoi.pdf" class="item_link">[Paper]</a>
1557                    
1558                    
1559                    
1560                    <a target="_blank" href="https://arxiv.org/abs/2411.06471" class="item_link">[Arxiv]</a>
1561                    
1562                    
1563                    
1564                    <a target="_blank" href="https://ieeexplore.ieee.org/document/10845125" class="item_link">[Link]</a>
1565                    
1566                    
1567                </p>
1568            </div><div class="pub-badge">TVCG</div></div>
1569    </div>
1570
1571</div>    
1572    
1573        
1574
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1612<div class="d-none d-md-block">
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1614        <div class="col-md-4 col-xl-3 mb-md-0 p-md-3 d-flex align-items-start publication-container"><img data-src="/assets/images/publications/cutlocus.png" alt="Towards geodesic ridge curve for region-wise linear representation of geodesic distance field" class="lazy publication-cover rounded-sm" src="/assets/images/empty_300x200.png"><div class="pub-badge">CAGD</div></div>
1615        <div class="col-md-8 col-xl-9 p-3 pl-md-0">
1616            <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1617              
1618                Towards geodesic ridge curve for region-wise linear representation of geodesic distance field
1619              
1620            </h5>
1621            <p class="mt-0 mb-0 small"><a class="text-body" target="_blank" href="https://lovoski.github.io/">Wei Liu*</a>; <span class="text-body" >
1622            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://personal.ntu.edu.sg/yhe/">Ying He</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1623<mark>(* <i> equal contribution</i>)</mark></p>
1624            <p class="mt-0 mb-0 small "><i><b>Computer Aided Geometric Design (CAGD). Presented at GMP</b></i> 2024 </p>
1625            <p class="mt-0 mb-0 small text-muted">A two-stage algorithm to compute the geodesic ridge curve on triangular meshes. By cutting the surface along the dual structure of the shortest path tree and using a fast marching solver on the extended surface, we enable accurate geodesic distance querying and high-fidelity visualization of geodesic iso-lines.</p>
1626            
1627            <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1628                
1629                
1630                <a target="_blank" href="assets/papers/cutlocus.pdf" class="item_link">[Paper]</a>
1631                
1632                
1633                
1634                <a target="_blank" href="https://irc.cs.sdu.edu.cn/gmp2024/index.html#/" class="item_link">[Link]</a>
1635                
1636                
1637            </p>
1638
1639        </div>
1640    </div>
1641</div>
1642
1643<div class="row no-gutters d-md-none border-bottom border-gray   lazy " data-src="/assets/images/publications/cutlocus.png">
1644    <div class="w-100" style="background-color: rgba(255,255,255,0.9);">
1645        <div class="d-flex align-items-start flex-column py-3 px-4 publication-container">
1646            <div class="mb-auto"></div>
1647            <div>
1648                <h5 class="mt-0 mb-0 font-weight-normal" style="color: #808D7C;">
1649                  
1650                    Towards geodesic ridge curve for region-wise linear representation of geodesic distance field
1651                  
1652                </h5>
1653                <p class="mt-0 mb-0 small"><a class="text-body" target="_blank" href="https://lovoski.github.io/">Wei Liu*</a>; <span class="text-body" >
1654            <strong style='color: #7fa185;'>Pengfei Wang*</strong>; </span><a class="text-body" target="_blank" href="https://ieeexplore.ieee.org/author/37088955375">Shuangmin Chen</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~shiqing/index.html">Shiqing Xin</a>; <a class="text-body" target="_blank" href="https://irc.cs.sdu.edu.cn/~chtu/index.html">Changhe Tu</a>; <a class="text-body" target="_blank" href="https://personal.ntu.edu.sg/yhe/">Ying He</a>; <a class="text-body" target="_blank" href="https://engineering.tamu.edu/cse/profiles/Wang-Wenping.html">Wenping Wang</a>.
1655<mark>(* <i> equal contribution</i>)</mark></p>
1656                <p class="mt-0 mb-0 small><i>Computer Aided Geometric Design (CAGD). Presented at GMP</i> 2024 </p>
1657                <p class="mt-0 mb-0 small text-muted">A two-stage algorithm to compute the geodesic ridge curve on triangular meshes. By cutting the surface along the dual structure of the shortest path tree and using a fast marching solver on the extended surface, we enable accurate geodesic distance querying and high-fidelity visualization of geodesic iso-lines.</p>
1658                
1659                <p class="small pb-0 mb-0 lh-125 text-muted abstract-links">
1660                    
1661                    
1662                    <a target="_blank" href="assets/papers/cutlocus.pdf" class="item_link">[Paper]</a>
1663                    
1664                    
1665                    
1666                    <a target="_blank" href="https://irc.cs.sdu.edu.cn/gmp2024/index.html#/" class="item_link">[Link]</a>
1667                    
1668                    
1669                </p>
1670            </div><div class="pub-badge">CAGD</div></div>
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