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<!doctype html><html lang=en-US><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta http-equiv=X-UA-Compatible content="IE=edge"><meta name=generator content="Hugo"><meta name=theme-color content="#ffffff"><meta name=author content="PolyU STAR"><meta name=description content="Website of PolyU STAR research group"><script src=https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js></script><script src=https://polyustar.github.io/js/hugo-academic-group.js></script><link rel=stylesheet href=https://polyustar.github.io/css/bootstrap.min.css><script src=https://polyustar.github.io/js/bootstrap.min.js></script><link rel=stylesheet href=https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/styles/default.min.css><link rel=stylesheet href=https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.2/gh-fork-ribbon.min.css><script src=https://polyustar.github.io/js/highlight.pack.js></script><script>hljs.initHighlightingOnLoad()</script><link rel=stylesheet href=https://polyustar.github.io/css/font-awesome.min.css><link rel=stylesheet href=https://polyustar.github.io/css/academicons.min.css><link rel=stylesheet href=https://polyustar.github.io/css/biaslab-font.css><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Lato:100,300,400,700%7CMerriweather:100,400,700%7CRoboto+Mono"><link rel=stylesheet href=https://polyustar.github.io/css/hugo-academic-group.css><link rel=stylesheet href=https://polyustar.github.io/css/site-refinements.css><link rel="shortcut icon" href=https://polyustar.github.io/img/favicon.ico type=image/x-icon><link rel=canonical href=https://polyustar.github.io/><title>PolyU STAR</title></head><body><div class=home-anchor id=home></div><nav class="navbar navbar-default navbar-fixed-top" id=navbar-main><div class=container><div class=navbar-header><button type=button class="navbar-toggle collapsed" data-toggle=collapse data-target=.navbar-collapse aria-expanded=false>
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<a href=https://polyustar.github.io/>STAR</a></div></div><div class="collapse navbar-collapse" id=#navbar-collapse-1><ul class="nav navbar-nav navbar-right"><li class=nav-item><a data-scroll href=https://polyustar.github.io/#top>Home</a></li><li class=nav-item><a data-scroll href=https://polyustar.github.io/#publications>Publications</a></li><li class=nav-item><a data-scroll href=https://polyustar.github.io/#projects>Projects</a></li><li class=nav-item><a data-scroll href=https://polyustar.github.io/#members>Members</a></li><li class=nav-item><a data-scroll href=https://polyustar.github.io/#contact>Contact</a></li></ul></div></div></nav><header class=space-below><div class=header-content><div class=header-content-inner><h1>PolyU STAR</h1><p class=slogan-text>PolyU ultraSound innovaTion & AI Research</p><div class=container-fluid><div class=row></div><div class=row></div></div></div></div></header><section id=publications class=home-section><div class=container><div class=row><div class="col-xs-12 col-md-4 section-heading"><h1><a href=https://polyustar.github.io//publication/>Publications</a></h1></div><div class="col-xs-12 col-md-8"><div class=pub-list-item itemscope itemtype=http://schema.org/CreativeWork><div class=row><div class=col-md-12><h3 class=article-title itemprop=name><a href=https://polyustar.github.io/publication/risk-routed-implicit-boundary-refinement-for-robust-ultrasound-image-segmentation/ itemprop=url>Risk-Routed Implicit Boundary Refinement for Robust Ultrasound Image Segmentation</a></h3><div class=pub-authors itemprop=author><div itemprop=author><span class=author-name><a href=https://polyustar.github.io/member/jingguo-qu/>Jingguo QU</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/xinyang-han/>Xinyang HAN</a></span>,
<span class=author-name>Xiang WANG</span>,
<span class=author-name><a href=https://polyustar.github.io/member/yuqi-yang/>Yuqi YANG</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/tonghuan-xiao/>Tonghuan XIAO</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/sheng-ning/>Sheng NING</a></span>,
<span class=author-name>Jing QIN</span>,
<span class=author-name>Ann Dorothy KING</span>,
<span class=author-name>Winnie Chiu-Wing CHU</span>,
<span class=author-name>Jing CAI</span>,
<span class=author-name><a href=https://polyustar.github.io/member/michael-ying/>Michael YING</a></span></div></div><div class=pub-publication>arXiv:2607.21787 [cs.CV]<div itemprop=datePublished>July, 2026</div></div><div class=pub-links><a class="btn btn-primary btn-outline btn-xs" href=https://polyustar.github.io/publication/risk-routed-implicit-boundary-refinement-for-robust-ultrasound-image-segmentation/>Details</a>
<a class="btn btn-primary btn-outline btn-xs" href=https://arxiv.org/abs/2607.21787>PDF</a>
<a class="btn btn-primary btn-outline btn-xs" href=https://github.com/jinggqu/ribr>Code</a></div></div></div></div><div class=pub-list-item itemscope itemtype=http://schema.org/CreativeWork><div class=row><div class=col-md-12><h3 class=article-title itemprop=name><a href=https://polyustar.github.io/publication/exercise-effect-on-cerebral-artery-hemodynamic-and-morphology-in-stroke-patients/ itemprop=url>Exercise Effect on Cerebral Artery Hemodynamic and Morphology in Stroke Patients: A Randomized Trial</a></h3><div class=pub-authors itemprop=author><div itemprop=author><span class=author-name><a href=https://polyustar.github.io/member/simon-takadiyi-gunda/>Simon Takadiyi GUNDA</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/ziman-chen/>Ziman CHEN</a></span>,
<span class=author-name>Jerica Hiu-Yui YIP</span>,
<span class=author-name>Veronica Tsam-Kit NG</span>,
<span class=author-name><a href=https://polyustar.github.io/member/xinyang-han/>Xinyang HAN</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/jingguo-qu/>Jingguo QU</a></span>,
<span class=author-name>Xiangyan CHEN</span>,
<span class=author-name><a href=https://polyustar.github.io/member/michael-ying/>Michael YING</a></span>,
<span class=author-name>Marco Yiu-Chung PANG</span></div></div><div class=pub-publication>CNS Neuroscience & Therapeutics, 32(5), e70942<div itemprop=datePublished>May, 2026</div></div><div class=pub-links><a class="btn btn-primary btn-outline btn-xs" href=https://polyustar.github.io/publication/exercise-effect-on-cerebral-artery-hemodynamic-and-morphology-in-stroke-patients/>Details</a>
<a class="btn btn-primary btn-outline btn-xs" href=https://doi.org/10.1002/cns.70942>PDF</a></div></div></div></div><div class=pub-list-item itemscope itemtype=http://schema.org/CreativeWork><div class=row><div class=col-md-12><h3 class=article-title itemprop=name><a href=https://polyustar.github.io/publication/adapting-vision-language-foundation-model-for-next-generation-medical-ultrasound-image-analysis/ itemprop=url>Adapting vision-Language foundation model for next generation medical ultrasound image analysis</a></h3><div class=pub-authors itemprop=author><div itemprop=author><span class=author-name><a href=https://polyustar.github.io/member/jingguo-qu/>Jingguo QU</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/xinyang-han/>Xinyang HAN</a></span>,
<span class=author-name>Jia AI</span>,
<span class=author-name>Juan WU</span>,
<span class=author-name>Tong ZHAO</span>,
<span class=author-name><a href=https://polyustar.github.io/member/tonghuan-xiao/>Tonghuan XIAO</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/sheng-ning/>Sheng NING</a></span>,
<span class=author-name><a href=https://polyustar.github.io/member/yuqi-yang/>Yuqi YANG</a></span>,
<span class=author-name>Jing QIN</span>,
<span class=author-name>Ann Dorothy KING</span>,
<span class=author-name>Winnie Chiu-Wing CHU</span>,
<span class=author-name>Jing CAI</span>,
<span class=author-name><a href=https://polyustar.github.io/member/michael-ying/>Michael YING</a></span></div></div><div class=pub-publication>Expert Systems with Applications, 325, 132560<div itemprop=datePublished>April, 2026</div></div><div class=pub-links><a class="btn btn-primary btn-outline btn-xs" href=https://polyustar.github.io/publication/adapting-vision-language-foundation-model-for-next-generation-medical-ultrasound-image-analysis/>Details</a>
<a class="btn btn-primary btn-outline btn-xs" href=https://doi.org/10.1016/j.eswa.2026.132560>PDF</a>
<a class="btn btn-primary btn-outline btn-xs" href=https://github.com/jinggqu/NextGen-UIA>Code</a></div></div></div></div></div></div><div><p class=view-all><a href=https://polyustar.github.io//publication/>More Publications
<i class="fa fa-angle-double-right"></i></a></p></div></div></section><section id=projects class=home-section><div class=container><div class=row><div class="col-xs-12 col-md-12 section-heading"><h1><a href=https://polyustar.github.io/project/>Projects</a></h1></div></div><div class=row><div class="hidden-xs col-md-2"><a href=https://polyustar.github.io/project/sonox/><div class=project-picture itemprop=image style=background-image:url(https://polyustar.github.io//img/sonox.png)></div></a></div><div class="visible-xs col-xs-5"><a href=https://polyustar.github.io/project/sonox/><div class=project-picture itemprop=image style=background-image:url(https://polyustar.github.io//img/sonox.png)></div></a></div><div class=article-list-item><div class="col-xs-7 col-md-10"><h3 class=article-title itemprop=name><a href=https://polyustar.github.io/project/sonox/ itemprop=url>SonoX — Intelligent Ultrasound Image Analysis</a></h3></div><div class="col-xs-12 col-md-10"><p class=article-style itemprop=articleBody>AI-empowered ultrasound image segmentation and classification powered by the Switch framework.</p><p class=read-more><a href=https://polyustar.github.io/project/sonox/ class="btn btn-primary btn-outline">Read more</a></p></div></div></div><div class=row><div class="hidden-xs col-md-2"><a href=https://polyustar.github.io/project/ckd/><div class=project-picture></div></a></div><div class="visible-xs col-xs-5"><a href=https://polyustar.github.io/project/ckd/><div class=project-picture></div></a></div><div class=article-list-item><div class="col-xs-7 col-md-10"><h3 class=article-title itemprop=name><a href=https://polyustar.github.io/project/ckd/ itemprop=url>Smart-CKD: a novel diagnostic platform for assessing moderate-to-severe renal fibrosis in chronic kidney disease</a></h3></div><div class="col-xs-12 col-md-10"><p class=read-more><a href=https://polyustar.github.io/project/ckd/ class="btn btn-primary btn-outline">Read more</a></p></div></div></div></div></section><section id=members class=home-section><div class=container><div class=row><div class="col-xs-12 col-md-4 section-heading"><h1 class=section-heading><a href=https://polyustar.github.io//member/>Team</a></h1></div></div><div class=row><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/michael-ying/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/michael-ying-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/michael-ying/>Michael YING</a></h2><h4>Professor</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/ziman-chen/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/ziman-chen-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/ziman-chen/>Ziman CHEN</a></h2><h4>Research Assistant Professor</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/simon-takadiyi-gunda/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/portrait.jpg)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/simon-takadiyi-gunda/>Simon Takadiyi GUNDA</a></h2><h4>Postdoctoral Fellow</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/jingguo-qu/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/jingguo-qu-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/jingguo-qu/>Jingguo QU</a></h2><h4>PhD Student</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/xinyang-han/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/xinyang-han-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/xinyang-han/>Xinyang HAN</a></h2><h4>PhD Student</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/yuqi-yang/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/yuqi-yang-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/yuqi-yang/>Yuqi YANG</a></h2><h4>PhD Student</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/tonghuan-xiao/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/tonghuan-xiao-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/tonghuan-xiao/>Tonghuan XIAO</a></h2><h4>PhD Student</h4></div></div></div><div class="col-xs-12 col-md-3"><div id=profile><a href=https://polyustar.github.io/member/sheng-ning/><div class=portrait itemprop=image style=background-image:url(https://polyustar.github.io/img/portraits/official/sheng-ning-card.webp)></div></a><div class=portrait-title><h2 itemprop=name><a href=https://polyustar.github.io/member/sheng-ning/>Sheng NING</a></h2><h4>PhD Student</h4></div></div></div></div><div><p class=view-all><a href=https://polyustar.github.io//member/>Full team
<i class="fa fa-angle-double-right"></i></a></p></div></div></section><section id=contact class=home-section><div class=container><div class=row><div class="col-xs-12 col-md-4 section-heading"><h1>Contact</h1></div><div class="col-xs-12 col-md-8"><ul class=list-unstyled><li><i class="fa fa-envelope fa-fw" aria-hidden=true></i>
<span><a href=mailto:michael.ying@polyu.edu.hk>michael.ying@polyu.edu.hk</a></span></li><li><i class="fa fa-map-marker fa-fw" aria-hidden=true></i>
<span>Y Block, The Hong Kong Polytechnic University, 11 Yuk Choi Rd, Hung Hom, Hong Kong</span></li></ul></div></div></div></section><footer class=site-footer><div class=container><p class=powered-by>© PolyU STAR, 2026 &#183;
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