OptimalCap: Efficient and Robust LiDAR-Based Motion Capture in Free Environments

Yiming Ren*, Yujing Sun*, Xiao Han, Yichen Yao, Xiaoxiao Long, Xinge Zhu, Siu Ming Yiu, Yuexin Ma

TPAMI 2026

Sparkle: A Robust and Versatile Representation for Point Cloud-based Human Motion Capture

Yiming Ren*, Yujing Sun*, Aoru Xue, Kwok-Yan Lam, Yuexin Ma†

ICLR, 2026

SymBridge: A Human-in-the-Loop Cyber-Physical Interactive System for Adaptive Human-Robot Symbiosis

Haoran Chen, Yiteng Xu, Yiming Ren, Yaoqin Ye, Xinran Li, Ning Ding, Yuxuan Wu, Yaoze Liu, Peishan Cong, Ziyi Wang, Bushi Liu, Yuhan Chen, Zhiyang Dou, Xiaokun Leng, Manyi Li†, Yuexin Ma†, Changhe Tu

SIGGRAPH Asia 2025

FreeCap: Hybrid Calibration-Free Motion Capture in Open Environments

Aoru Xue*, Yiming Ren*, Zining Song, Mao Ye, Xinge ZHU, Yuexin Ma

AAAI, 2025

Towards Practical Human Motion Prediction with LiDAR Point Clouds

Xiao Han, Yiming Ren, Yichen Yao, Yujing Sun, Yuexin Ma

ACM Multimedia (MM), Oral, 2024

Gait Recognition in Large-scale Free Environment via Single LiDAR

Xiao Han, Yiming Ren, Peishan Cong, Yujing Sun, Jingya Wang, Lan Xu, Yuexin Ma

ACM Multimedia (MM), Oral, 2024

LiveHPS++: Robust and Coherent Motion Capture in Dynamic Free Environment

Yiming Ren, Xiao Han, Yichen Yao, Xiaoxiao Long, Yujing Sun, Yuexin Ma

European Conference on Computer Vision (ECCV), Oral, 2024

LiveHPS: LiDAR-based Scene-level Human Pose and Shape Estimation in Free Environment

Yiming Ren, Xiao Han, Chengfeng Zhao, Jingya Wang, Lan Xu, Jingyi Yu, Yuexin Ma

The IEEE / CVF Computer Vision and Pattern Recognition Conference(CVPR), Highlight, 2024

A Unified Framework for Human-centric Point Cloud Video Understanding

Yiteng Xu, Kecheng Ye, Xiao Han, Yiming Ren, Xinge ZHU, Yuexin Ma

The IEEE / CVF Computer Vision and Pattern Recognition Conference(CVPR), 2024

LiDAR-aid Inertial Poser: Large-scale Human Motion Capture by Sparse Inertial and LiDAR Sensors

Yiming Ren, Chengfeng Zhao, Yannan He, Peishan Cong, Han Liang, Jingyi Yu, Lan Xu, Yuexin Ma

IEEE Transactions on Visualization and Computer Graphics(TVCG), 2023

Weakly Supervised 3D Multi-person Pose Estimation for Large-scale Scenes based on Monocular Camera and Single LiDAR

Peishan Cong, Yiteng Xu, Yiming Ren, Juze Zhang, Lan Xu, Jingya Wang, Jingyi Yu, Yuexin Ma

Thirty-Seventh AAAI Conference on Artificial Intelligence(AAAI), Oral, 2023

Self-supervised Point Cloud Completion on Real Traffic Scenes via Scene-concerned Bottom-up Mechanism

Yiming Ren, Peishan Cong, Xinge Zhu, Yuexin Ma

IEEE International Conference on Multimedia and Expo(ICME), 2022

STCrowd: A Multimodal Dataset for Pedestrian Perception in Crowded Scenes

Peishan Cong, Xinge Zhu, Feng Qiao, Yiming Ren, Xidong Peng, Yuenan Hou, Lan Xu, Ruigang Yang, Dinesh Manocha, Yuexin Ma

IEEE Conference on Computer Vision and Pattern Recognition(CVPR), 2022