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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CBIMS research group</title>
<link rel="icon" type="image/svg+xml" href="images/logo-cbm.svg">
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-white text-gray-800">
<!-- Hero Section with Header and About -->
<section id="about" class="relative bg-cover bg-center bg-no-repeat h-96" style="background-image: url('images/home-heroimage.jpg');">
<!-- Overlay for better text readability -->
<div class="absolute inset-0 bg-black bg-opacity-40 z-0"></div>
<!-- Header -->
<header class="relative z-20">
<div class="max-w-5xl mx-auto px-6 py-4 flex justify-between items-center">
<div class="flex items-center space-x-3">
<img src="images/logo-cbm.svg" alt="CBIMS Logo" class="h-8 w-8">
<h1 id="siteTitle" class="text-2xl font-bold text-white">CBIMS研究组</h1>
</div>
<nav class="space-x-6 flex items-center">
<a href="#about" id="nav-about" class="text-white hover:text-blue-300">关于我们</a>
<a href="#news" id="nav-news" class="text-white hover:text-blue-300">新闻</a>
<a href="#awards" id="nav-awards" class="text-white hover:text-blue-300">获奖</a>
<a href="#publications" id="nav-publications" class="text-white hover:text-blue-300">论文发表</a>
<a href="#visitors" id="nav-visitors" class="text-white hover:text-blue-300">访客地图</a>
<!-- Language Dropdown -->
<div class="relative">
<button id="languageBtn" class="text-white hover:text-blue-300 flex items-center space-x-1">
<span id="languageText">语言</span>
<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
</svg>
</button>
<div id="languageDropdown" class="absolute right-0 mt-2 w-24 bg-white rounded-md shadow-lg hidden z-50">
<div class="py-1">
<button class="language-option block w-full text-left px-4 py-2 text-sm text-gray-700 hover:bg-gray-100" data-lang="zh">中文</button>
<button class="language-option block w-full text-left px-4 py-2 text-sm text-gray-700 hover:bg-gray-100" data-lang="en">English</button>
</div>
</div>
</div>
</nav>
</div>
</header>
<!-- About Us -->
<div class="relative z-10 max-w-5xl mx-auto px-6 py-12 pb-20 flex flex-col justify-center flex-1">
<h2 id="aboutTitle" class="text-3xl font-bold mb-6 text-white">关于我们🌍</h2>
<p id="aboutText" class="text-lg text-white leading-relaxed max-w-3xl">
我们是清华大学软件学院CBIMS研究组。我们的研究专注于建筑信息模型（BIM）、3D计算机视觉和人工智能（AI）。我们致力于连接建筑、工程和建设（AEC）行业与人工智能之间的桥梁。
</p>
</div>
</section>
<!-- News -->
<section id="news" class="py-16" style="background-color: #eef9ff;">
<div class="max-w-5xl mx-auto px-6">
<h2 id="newsTitle" class="text-2xl font-bold mb-8">新闻✨</h2>
<!-- Scrollable Container -->
<div class="relative">
<!-- Left Arrow Button -->
<button id="leftBtn" class="absolute left-0 top-1/2 transform -translate-y-1/2 z-10 bg-white shadow-lg rounded-full w-10 h-10 flex items-center justify-center hover:bg-gray-50 transition-colors">
<svg class="w-5 h-5 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
</svg>
</button>
<!-- Right Arrow Button -->
<button id="rightBtn" class="absolute right-0 top-1/2 transform -translate-y-1/2 z-10 bg-white shadow-lg rounded-full w-10 h-10 flex items-center justify-center hover:bg-gray-50 transition-colors">
<svg class="w-5 h-5 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
</svg>
</button>
<!-- Cards Container -->
<div class="overflow-hidden mx-12">
<div id="cardsContainer" class="flex space-x-6 transition-transform duration-300">
<!-- Card 0 - NEW -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news6.jpg" alt="News 6" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">09.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">国际奖项</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">奖项：Best Student Research Award</p>
<p class="text-sm text-gray-700">比赛：buildingSMART openBIM Awards 2025, Berlin, Germany</p>
</div>
</div>
</div>
<!-- Card 1 -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news1.jpg" alt="News 1" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">08.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">论文录用</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">会议：TPAMI</p>
<p class="text-sm text-gray-700">论文：I-Filtering: Implicit Filtering for Learning Neural Distance Functions from 3D Point Clouds</p>
</div>
</div>
</div>
<!-- Card 2 -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news2.jpg" alt="News 2" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">03.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">论文录用</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">刊物：JCCE</p>
<p class="text-sm text-gray-700">论文：BIMFusion: Texturing Building Information Models Using Diffusion Generative Methods</p>
</div>
</div>
</div>
<!-- Card 3 -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news3.jpg" alt="News 3" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">03.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">论文录用</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">刊物：Automation in Construction</p>
<p class="text-sm text-gray-700">论文：BIMNet: Dataset and benchmark for as-built BIM reconstruction from real-world point cloud</p>
</div>
</div>
</div>
<!-- Card 4 -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news4.jpg" alt="News 4" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">02.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">论文录用</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">会议：AAAI</p>
<p class="text-sm text-gray-700">论文：FatesGS: Fast and Accurate Sparse-View Surface Reconstruction using Gaussian Splatting with Depth-Feature Consistency</p>
</div>
</div>
</div>
<!-- Card 5 -->
<div class="flex-shrink-0 w-72 bg-white rounded-2xl overflow-hidden">
<div class="h-48">
<img src="images/news5.jpg" alt="News 5" class="w-full h-full object-cover">
</div>
<div class="p-4">
<div class="flex space-x-2 mb-3">
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">02.2025</span>
<span class="px-3 py-1 text-gray-700 text-sm rounded-full" style="background-color: #eef9ff;">论文录用</span>
</div>
<div class="space-y-1">
<p class="text-sm text-gray-700">会议：AAAI</p>
<p class="text-sm text-gray-700">论文：Sparis: Neural Implicit Surface Reconstruction of Indoor Scenes from Sparse Views</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<section id="awards" class="max-w-5xl mx-auto px-6 py-12">
<h2 id="awardsTitle" class="text-2xl font-bold mb-6">获奖🏆</h2>
<!-- Award card 2025 buildingSMART -->
<div class="grid md:grid-cols-[150px_1fr] gap-4 p-4 rounded-2xl border mb-3">
<img src="images/buildingSmart.png" alt="buildingSMART 2025 Award">
<div>
<h3 class="font-semibold">
Best Student Research Award🏆 -- buildingSMART openBIM Awards 2025
</h3>
<p class="text-m text-gray-700">
Held in conjunction with <span class="font-medium"><b>buildingSMART International Summit 2025</b></span>, Berlin, Germany.
</p>
<p class="text-m text-gray-500 mt-1">
Yudong Liu, Han Huang, Ge Gao, Ziyi Ke, Shengtao Li, Xiaowei Zhang, Ming Gu
</p>
</div>
</div>
<!-- Award card 2023 -->
<div class="grid md:grid-cols-[150px_1fr] gap-4 p-4 rounded-2xl border mb-3">
<img src="images/23-2d-1.png" alt="CVPR 2023 Award">
<div>
<h3 class="font-semibold">
First Place🥇 -- Scan-to-BIM Challenge (2D Floorplan Reconstruction)
</h3>
<p class="text-m text-gray-700">
Held in conjunction with <span class="font-medium"><b>CVPR 2023</b></span>, Vancouver, Canada.
</p>
<p class="text-m text-gray-500 mt-1">
Cheng Peng, Ziyi Ke, Zijian Sun, Yudong Liu, Xinyi Du, Chao Deng, Ge Gao, Ming Gu
</p>
</div>
</div>
<!-- Award card 2023 -->
<div class="grid md:grid-cols-[150px_1fr] gap-4 p-4 rounded-2xl border mb-3">
<img src="images/23-3d-2.png" alt="CVPR 2023 Award">
<div>
<h3 class="font-semibold">
Second Place🥈 -- Scan-to-BIM Challenge (3D Building Model Reconstruction)
</h3>
<p class="text-m text-gray-700">
Held in conjunction with <span class="font-medium"><b>CVPR 2023</b></span>, Vancouver, Canada.
</p>
<p class="text-m text-gray-500 mt-1">
Cheng Peng, Ziyi Ke, Zijian Sun, Yudong Liu, Xinyi Du, Chao Deng, Ge Gao, Ming Gu
</p>
</div>
</div>
<!-- Award card 2022 -->
<div class="grid md:grid-cols-[150px_1fr] gap-4 p-4 rounded-2xl border mb-3">
<img src="images/22-2d-1.png" alt="CVPR 2022 Award" >
<div>
<h3 class="font-semibold">
First Place🥇 -- Scan-to-BIM Challenge (2D Floorplan Reconstruction)
</h3>
<p class="text-m text-gray-700">
Held in conjunction with <span class="font-medium"><b>CVPR 2022</b></span>, New Orleans, USA.
</p>
<p class="text-m text-gray-500 mt-1">
Shengtao Li, Gaoming Fan, Han Huang, Hairong Luo, Ge Gao, Ming Gu
</p>
</div>
</div>
<!-- Award card 2022 -->
<div class="grid md:grid-cols-[150px_1fr] gap-4 p-4 rounded-2xl border ">
<img src="images/22-3d-1.png" alt="CVPR 2022 Award" >
<div>
<h3 class="font-semibold">
First Place🥇 -- Scan-to-BIM Challenge (3D Floorplan Reconstruction)
</h3>
<p class="text-m text-gray-700">
Held in conjunction with <span class="font-medium"><b>CVPR 2022</b></span>, New Orleans, USA.
</p>
<p class="text-m text-gray-500 mt-1">
Han Huang, Gaoming Fan, Shengtao Li, Ge Gao, Ming Gu
</p>
</div>
</div>
</section>
<!-- Publications -->
<section id="publications" class="max-w-5xl mx-auto px-6 py-12">
<h2 id="publicationsTitle" class="text-2xl font-bold mb-6">论文发表📄</h2>
<!-- Year -->
<h3 class="text-xl font-semibold mb-4">2025</h3>
<div class="space-y-6">
<!-- Paper Item -->
<div class="flex space-x-4">
<img src="images/TPAMI_2025_IFiltering.png" alt="Paper thumbnail" class="rounded shadow" width="200">
<div>
<h4 class="font-semibold text-gray-900">
I-Filtering: Implicit Filtering for Learning Neural Distance Functions from 3D Point Clouds
</h4>
<p class="text-m italic text-gray-600">
Shengtao Li, Yudong Liu, Ge Gao*, Ming Gu, Yu-Shen Liu
</p>
<p class="text-m text-gray-600">IEEE Transactions on Pattern Analysis and Machine Intelligence (<b>TPAMI</b>), 2025 </p>
<div class="space-x-3 text-m mt-1">
<a href="https://list17.github.io/ImplicitFilter" class="text-blue-600 hover:underline">Project page</a>
<a href="https://www.computer.org/csdl/journal/tp/5555/01/11141752/29uDQAKyJLq" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/list17/ImplicitFiltering" class="text-blue-600 hover:underline">Github</a>
</div>
</div>
</div>
<div class="flex space-x-4">
<img src="images/AUTCON2025_bimnet.jpg" alt="Paper thumbnail" class="rounded shadow" width="200">
<div>
<h4 class="font-semibold text-gray-900">
BIMNet: Dataset and benchmark for as-built BIM reconstruction from real-world point cloud
</h4>
<p class="text-m italic text-gray-600">
Yudong Liu, Han Huang, Ge Gao*, Ziyi Ke, Shengtao Li, Ming Gu
</p>
<p class="text-m text-gray-600">Automation in Construction (<b>AUTCON</b>), 2025 </p>
<div class="space-x-3 text-m mt-1">
<a href="https://thucbims.github.io/bimnet/" class="text-blue-600 hover:underline">Project page</a>
<a href="https://www.sciencedirect.com/science/article/abs/pii/S0926580525001360" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/LydJason/BIMNet" class="text-blue-600 hover:underline">Github</a>
</div>
</div>
</div>
<div class="flex space-x-4">
<img src="images/JCCCE2025_bimfusion.png" alt="Paper thumbnail" class="rounded shadow" width="200">
<div>
<h4 class="font-semibold text-gray-900">
BIMFusion: Texturing Building Information Models Using Diffusion Generative Methods
</h4>
<p class="text-m italic text-gray-600">
Chao Deng, Han Huang, Ziyi Ke, Yulun Wu, Ge Gao*, Ming Gu
</p>
<p class="text-m text-gray-600">Journal of Computing in Civil Engineering (<b>JCCE</b>), 2025 </p>
<div class="space-x-3 text-m mt-1">
<a href="#" class="text-blue-600 hover:underline">Project page</a>
<a href="#" class="text-blue-600 hover:underline">Paper</a>
<a href="#" class="text-blue-600 hover:underline">Github</a>
</div>
</div>
</div>
<div class="flex space-x-4">
<img src="images/AAAI2025_FatesGS.png" alt="Paper thumbnail" class="rounded shadow" width="200">
<div>
<h4 class="font-semibold text-gray-900">
FatesGS: Fast and Accurate Sparse-View Surface Reconstruction using Gaussian Splatting with Depth-Feature Consistency
</h4>
<p class="text-m italic text-gray-600">
Han Huang#, Yulun Wu#, Chao Deng, Ge Gao*, Ming Gu, Yu-Shen Liu
</p>
<p class="text-m text-gray-600">The 39th Annual AAAI Conference on Artificial Intelligence (<b>AAAI</b>), 2025</p>
<div class="space-x-3 text-m mt-1">
<a href="https://arxiv.org/abs/2501.04628" class="text-blue-600 hover:underline">Project page</a>
<a href="https://alvin528.github.io/FatesGS/" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/yulunwu0108/FatesGS" class="text-blue-600 hover:underline">Github</a>
</div>
</div>
</div>
<div class="flex space-x-4">
<img src="images/AAAI2025_Sparis.png" alt="Paper thumbnail" class="rounded shadow h-auto" width="200" >
<div>
<h4 class="font-semibold text-gray-900">
Sparis: Neural Implicit Surface Reconstruction of Indoor Scenes from Sparse Views
</h4>
<p class="text-m italic text-gray-600">
Yulun Wu#, Han Huang#, Wenyuan Zhang, Chao Deng, Ge Gao*, Ming Gu, Yu-Shen Liu
</p>
<p class="text-m text-gray-600">The 39th Annual AAAI Conference on Artificial Intelligence (<b>AAAI</b>), 2025</p>
<div class="space-x-3 text-m mt-1">
<a href="https://yulunwu0108.github.io/Sparis/" class="text-blue-600 hover:underline">Project page</a>
<a href="https://arxiv.org/abs/2501.01196" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/yulunwu0108/Sparis" class="text-blue-600 hover:underline">Github</a>
</div>
</div>
</div>
</div>
<!-- Year -->
<br>
<h3 class="text-xl font-semibold mb-4">2024</h3>
<div class="space-y-6">
<div class="flex space-x-4">
<img src="images/ECCV2024_Filtering.png" alt="Paper thumbnail" class="rounded shadow" width="200">
<div>
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Implicit Filtering for Learning Neural Signed Distance Functions from 3D Point Clouds
</h4>
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Shengtao Li, Ge Gao*, Yudong Liu, Ming Gu, Yu-Shen Liu
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<p class="text-m text-gray-600">The 18th European Conference on Computer Vision (<b>ECCV</b>), 2024.</p>
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<a href="https://list17.github.io/ImplicitFilter" class="text-blue-600 hover:underline">Project page</a>
<a href="https://github.com/list17/ImplicitFiltering" class="text-blue-600 hover:underline">Paper</a>
<a href="https://arxiv.org/abs/2407.13342" class="text-blue-600 hover:underline">Github</a>
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<h4 class="font-semibold text-gray-900">
GridFormer: Point-Grid Transformer for Surface Reconstruction
</h4>
<p class="text-m italic text-gray-600">
Shengtao Li, Ge Gao*, Yudong Liu, Yu-Shen Liu, Ming Gu
</p>
<p class="text-m text-gray-600">The 38th Annual AAAI Conference on Artificial Intelligence (<b>AAAI</b>), 2024</p>
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<a href="https://arxiv.org/abs/2401.02292" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/list17/GridFormer" class="text-blue-600 hover:underline">Github</a>
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<h4 class="font-semibold text-gray-900">
NeuSurf: On-Surface Priors for Neural Surface Reconstruction from Sparse Input Views
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Han Huang, Yulun Wu, Junsheng Zhou, Ge Gao*, Ming Gu, Yu-Shen Liu
</p>
<p class="text-m text-gray-600">The 38th Annual AAAI Conference on Artificial Intelligence (<b>AAAI</b>), 2024</p>
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<a href="https://alvin528.github.io/NeuSurf/" class="text-blue-600 hover:underline">Project page</a>
<a href="https://arxiv.org/abs/2312.13977" class="text-blue-600 hover:underline">Paper</a>
<a href="https://github.com/yulunwu0108/NeuSurf" class="text-blue-600 hover:underline">Github</a>
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