Publications
2026
Divide and Truncate: A Penetration and Inversion Free Framework for Coupled Multi-physics Systems
Anka He Chen, Jerry Hsu, Youssef Ayman, Miles Macklin
ACM SIGGRAPH 2026 Conference Proceedings
A unified framework for penetration-free and inversion-free contact resolution across coupled multi-physics systems including rigid bodies, soft volumetric objects, thin shells, and rods. • PDF • ArXiv
FreeForm: Reduced-Order Deformable Simulation from Particle-Based Skinning Eigenmodes
Donglai Xiang, Vismay Modi, Rishit Dagli, Ty Trusty, Gilles Daviet, Anka He Chen, Nicholas Sharp, David Levin I.W.
CVPR 2026
A reduced-order deformable simulation method using particle-based skinning eigenmodes. • Project
VoMP: Predicting Volumetric Mechanical Property Fields
Rishit Dagli, Donglai Xiang, Vismay Modi, Charles Loop, Clement Fuji Tsang, Anka He Chen, Anita Hu, Gavriel State, David Levin I.W., Maria Shugrina
ICLR 2026
A method for predicting volumetric mechanical property fields. • PDF • ArXiv • Project • Code
Physically Valid Biomolecular Interaction Modeling with Gauss-Seidel Projection
Siyuan Chen, Minghao Guo, Caoliwen Wang, Anka He Chen, Yikun Zhang, Jingjing Chai, Yin Yang, Wojciech Matusik, Peter Yichen Chen
ICLR 2026
A physics-based framework for biomolecular interaction modeling using Gauss-Seidel projection. • PDF • ArXiv • Code
2025
Offset Geometric Contact
Anka He Chen, Jerry Hsu, Ziheng Liu, Miles Macklin, Yin Yang, Cem Yuksel
ACM Transactions on Graphics 44(4) [Proceedings of SIGGRAPH Asia]
A novel contact model for guaranteed penetration-free simulation of codimensional objects with minimal computational overhead. • PDF • Project • Video
Isaac Lab: A Unified and Modular Framework for Robot Learning
Mayank Mittal, Pascal Roth, James Tigue, Antoine Richard, Octi Zhang, Peter Du, Antonio Serrano-Muñoz, Xinjie Yao, René Zurbrügg, Nikita Rudin, et al.
arXiv preprint
A GPU-accelerated simulation framework for multi-modal robot learning built on NVIDIA Isaac Sim. • PDF • Project • GitHub
2024
Vertex Block Descent
Anka He Chen, Zhiheng Liu, Yin Yang, Cem Yuksel
ACM Transactions on Graphics 43(4) [Proceedings of SIGGRAPH]
A block coordinate descent solution for the variational form of implicit Euler through vertex-level Gauss-Seidel iterations. • PDF • Project • Video
2023
Shortest Path to Boundary for Self-Intersecting Meshes
Anka He Chen, Elie Diaz, Cem Yuksel
ACM Transactions on Graphics 42(4) [Proceedings of SIGGRAPH]
A method for efficiently computing the exact shortest path to the boundary of a mesh from a given internal point in the presence of self-intersections. • Project • Video
2021
Capturing Detailed Deformations of Moving Human Bodies
Anka He Chen, Hyojoon Park, Kutay Macit, Ladislav Kavan
ACM Transactions on Graphics 40(4) [Proceedings of SIGGRAPH]
A method to capture over 1,000 unique points on the human body using only standard cameras and passive lights. • PDF • Project
2018
Multi-Normal Estimation via Pair Consistency Voting
Jie Zhang*, Junjie Cao* (co-first authors), Xiuping Liu, Anka He Chen, Bo Li, Ligang Liu
IEEE Transactions on Visualization and Computer Graphics (TVCG)
A unified definition for point cloud normal of feature and non-feature points, allowing feature points to possess multiple normals.
2017
Normal Estimation via Shifted Neighborhood for Point Cloud
Junjie Cao, Anka He Chen, Jie Zhang, Yujiao Li, Xiuping Liu, Changqing Zou
Journal of Computational and Applied Mathematics
A fast and quality normal estimator based on neighborhood shift for point clouds.
2016
Online Knapsack Problem Under Concave Functions
Xin Han, Ning Ma, Kazuhisa Makino, He Chen
Frontiers in Algorithmics
An online algorithm for the knapsack problem under concave functions with improved competitive ratios.
Mesh Saliency Detection via Double Absorbing Markov Chain in Feature Space
Xiuping Liu, Pingping Tao, Junjie Cao, He Chen, Changqing Zou
The Visual Computer
A mesh saliency detection approach using absorbing Markov chain that considers both background and foreground cues.