Publications

Seen2Scene: Completing Realistic 3D Scenes with Visibility-Guided Flow

Seen2Scene: Completing Realistic 3D Scenes with Visibility-Guided Flow

Quan Meng, Yujin Chen, Lei Li, Matthias Niessner, Angela Dai

European Conference on Computer Vision 2026

PDFVideoCodeWebsite
ECCV
TriFlow: Generating Artist-Like 3D Mesh Topology via Nearest-Vertex Vector Fields

TriFlow: Generating Artist-Like 3D Mesh Topology via Nearest-Vertex Vector Fields

Haoxuan Li, Ziya Erkoc, Daniele Sirigatti, Vladislav Rosov, Lei Li, Angela Dai, Matthias Niessner

European Conference on Computer Vision 2026

PDFVideoWebsiteOral Presentation
ECCV
HOI-PAGE: Zero-Shot Human-Object Interaction Generation with Part Affordance Guidance

HOI-PAGE: Zero-Shot Human-Object Interaction Generation with Part Affordance Guidance

Lei Li, Angela Dai

International Conference on Machine Learning 2026

PDFVideoCodeWebsite
ICML
PatchAlign3D: Local Feature Alignment for Dense 3D Shape Understanding

PatchAlign3D: Local Feature Alignment for Dense 3D Shape Understanding

Souhail Hadgi, Bingchen Gong, Ramana Sundararaman, Emery Pierson, Lei Li, Peter Wonka, Maks Ovsjanikov

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2026

PDFSuppWebsite
CVPR
PUFM: Efficient Point Cloud Upsampling via Flow Matching

PUFM: Efficient Point Cloud Upsampling via Flow Matching

Zhi-Song Liu, Chenhang He, Yakun Ju, Lei Li

The AAAI Conference on Artificial Intelligence 2026

PDFCode
AAAI
DiffuMatch: Category-Agnostic Spectral Diffusion Priors for Robust Non-rigid Shape Matching

DiffuMatch: Category-Agnostic Spectral Diffusion Priors for Robust Non-rigid Shape Matching

Emery Pierson, Lei Li, Angela Dai, Maks Ovsjanikov

The IEEE/CVF International Conference on Computer Vision 2025

PDFCodeWebsite
ICCV
MeshPad: Interactive Sketch-Conditioned Artist-Reminiscent Mesh Generation and Editing

MeshPad: Interactive Sketch-Conditioned Artist-Reminiscent Mesh Generation and Editing

Haoxuan Li, Ziya Erkoc, Lei Li, Daniele Sirigatti, Vladyslav Rozov, Angela Dai, Matthias Niessner

The IEEE/CVF International Conference on Computer Vision 2025

PDFVideoWebsite
ICCV
MeshArt: Generating Articulated Meshes with Structure-Guided Transformers

MeshArt: Generating Articulated Meshes with Structure-Guided Transformers

Daoyi Gao, Yawar Siddiqui, Lei Li, Angela Dai

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2025

PDFVideoWebsite
CVPR
LT3SD: Latent Trees for 3D Scene Diffusion

LT3SD: Latent Trees for 3D Scene Diffusion

Quan Meng, Lei Li, Matthias Niessner, Angela Dai

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2025

PDFVideoCodeWebsite
CVPR
GenZI: Zero-Shot 3D Human-Scene Interaction Generation

GenZI: Zero-Shot 3D Human-Scene Interaction Generation

Lei Li, Angela Dai

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2024

PDFSuppVideoCodeWebsite
CVPR
To Supervise or Not to Supervise: Understanding and Addressing the Key Challenges of Point Cloud Transfer Learning

To Supervise or Not to Supervise: Understanding and Addressing the Key Challenges of Point Cloud Transfer Learning

Souhail Hadgi, Lei Li, Maks Ovsjanikov

European Conference on Computer Vision 2024

PDFSupp
ECCV
Generalizable Local Feature Pre-training for Deformable Shape Analysis

Generalizable Local Feature Pre-training for Deformable Shape Analysis

Souhaib Attaiki, Lei Li, Maks Ovsjanikov

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2023

PDFCodeHighlight Presentation
CVPR
Learning Multi-resolution Functional Maps with Spectral Attention for Robust Shape Matching

Learning Multi-resolution Functional Maps with Spectral Attention for Robust Shape Matching

Lei Li, Nicolas Donati, Maks Ovsjanikov

Neural Information Processing Systems 2022

PDFCodeSpotlight Presentation
NeurIPS
SRFeat: Learning Locally Accurate and Globally Consistent Non-Rigid Shape Correspondence

SRFeat: Learning Locally Accurate and Globally Consistent Non-Rigid Shape Correspondence

Lei Li, Souhaib Attaiki, Maks Ovsjanikov

International Conference on 3D Vision 2022

PDFVideoCode
3DV
WSDesc: Weakly Supervised 3D Local Descriptor Learning for Point Cloud Registration

WSDesc: Weakly Supervised 3D Local Descriptor Learning for Point Cloud Registration

Lei Li, Hongbo Fu, Maks Ovsjanikov

IEEE Transactions on Visualization and Computer Graphics 2022

PDFCode
TVCG
PointDSC: Robust Point Cloud Registration using Deep Spatial Consistency

PointDSC: Robust Point Cloud Registration using Deep Spatial Consistency

Xuyang Bai, Zixin Luo, Lei Zhou, Hongkai Chen, Lei Li, Zeyu Hu, Hongbo Fu, Chiew-Lan Tai

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2021

PDFCode
CVPR
End-to-End Learning Local Multi-view Descriptors for 3D Point Clouds

End-to-End Learning Local Multi-view Descriptors for 3D Point Clouds

Lei Li, Siyu Zhu, Hongbo Fu, Ping Tan, Chiew-Lan Tai

The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2020

PDFCode
CVPR
SketchDesc: Learning Local Sketch Descriptors for Multi-view Correspondence

SketchDesc: Learning Local Sketch Descriptors for Multi-view Correspondence

Deng Yu, Lei Li, Youyi Zheng, Manfred Lau, Yi-Zhe Song, Chiew-Lan Tai, Hongbo Fu

IEEE Transactions on Circuits and Systems for Video Technology 2020

PDF
TCSVT
Sketch-R2CNN: An RNN-Rasterization-CNN Architecture for Vector Sketch Recognition

Sketch-R2CNN: An RNN-Rasterization-CNN Architecture for Vector Sketch Recognition

Lei Li, Changqing Zou, Youyi Zheng, Qingkun Su, Hongbo Fu, Chiew-Lan Tai

IEEE Transactions on Visualization and Computer Graphics 2020

PDFCode
TVCG
Context-based Sketch Classification

Context-based Sketch Classification

Jianhui Zhang, Yilan Chen, Lei Li, Hongbo Fu, Chiew-Lan Tai

The Joint Symposium on Computational Aesthetics and Sketch-Based Interfaces and Modeling and Non-Photorealistic Animation and Rendering 2018

PDFVideoCode
Expressive
Fast Sketch Segmentation and Labeling with Deep Learning

Fast Sketch Segmentation and Labeling with Deep Learning

Lei Li, Hongbo Fu, Chiew-Lan Tai

IEEE Computer Graphics and Applications 2018

PDFVideoCodeBest Paper Award Runner-Up
CGA
Model-driven Sketch Reconstruction with Structure-oriented Retrieval

Model-driven Sketch Reconstruction with Structure-oriented Retrieval

Lei Li, Zhe Huang, Changqing Zou, Chiew-Lan Tai, Rynson WH Lau, Hao Zhang, Ping Tan, Hongbo Fu

SIGGRAPH ASIA Technical Briefs 2016

PDFSupp