Feng Liu

Assistant Professor
Department of Computer Science
Drexel University

Research Group: Visual Intelligence Lab

We always look for passionate students to join the team in terms of RA/externship/internship/visiting students (more info here)!

Research interests: My group develops visual intelligence for humans and the physical world, organized into four research directions (see the Research page for details):

Impact areas: AI for Health and Human Performance and AI for Education and Scientific Learning.

News

Jul 18, 2026 One paper has been accepted at SIGGRAPH Asia 2026! Congratulations to Yixuan and all co-authors!
Jul 17, 2026 Received a $25,000 Anthropic AI for Science Award to advance physics-grounded generative AI for organic crystal discovery, in collaboration with Dr. Matthew McDonald.
Jun 29, 2026 Received an Outstanding Researcher Award from the FAIR Center at Stanford University for our work on physics-grounded video analysis for interpretable gait assessment in DCM.
May 7, 2026 Our paper “BioGait-VLM” has been provisionally accepted at MICCAI 2026 (Acceptance rate: 9%). Congratulations to Anthony, Yuyang, and all co-authors!
Mar 23, 2026 Two papers, DrawSim-PD and SciIBI, have been accepted by AIED 2026! Congratulations to Ariji, Yixuan and all co-authors.
Mar 10, 2026 Received two Drexel internal grants (2x Longsview Fellowship)!
Feb 21, 2026 Two papers, “BioCoach” and “Bridge,” have been accepted by CVPR 2026! Congratulations to Yuyang and all co-authors!
Feb 6, 2026 I am serving as an Associate Editor for IEEE Transactions on Information Forensics and Security (T-IFS).
Jan 10, 2026 We are organizing the First PhysHuman Workshop @ CVPR 2026 (Denver), focusing on physically grounded human perception, modeling, and generation.
Jan 1, 2026 Received an NVIDIA Academic Grant Program Award, supporting our research on geometry-consistent, photorealistic driving-scene generation for autonomous driving.
Oct 6, 2025 Our paper “Person Recognition in Aerial Surveillance: A Decade Survey” is accepted by IEEE T-BIOM.
Oct 5, 2025 I was recognized as one of the ICCV 2025 Outstanding Reviewers.
Sep 2, 2025 I am serving as an Area Chair for CVPR 2026, ICLR 2026.
Jul 25, 2025 Received Google Cloud Research Award.
Jun 30, 2025 Received OpenAI Researcher Access Program Award.
Jun 25, 2025 Our paper “HAMoBE” is accepted by ICCV 2025.
May 20, 2025 I am serving as an Area Chair for BMVC 2025, ACM MM 2025, FG 2025, IJCNN 2025.
Feb 26, 2025 Two papers, “SapiensID” and “AG-VPReID,” have been accepted by CVPR 2025!

Selected Publications

  1. arXiv
    Non-Colliding Biometric Identities for Digital Entities: Geometry, Capacity, and Million-Scale Virtual Identity Provisioning
    Yuyang Ji, Yixuan Shen, Anil Jain, Xiaoming Liu, and Feng Liu
    arXiv preprint (arXiv) , 2026
    PDF
  2. MICCAI
    BioGait-VLM: A Tri-Modal Vision-Language-Biomechanics Framework for Interpretable Clinical Gait Assessment
    Erdong Chen*, Yuyang Ji*, Greenberg Jacob K., Benjamin Steel, Faraz Arkam, Abigail Lewis, Pranay Singh, and Feng Liu
    International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI) , 2026
    PDF
  3. CVPR
    From 3D Pose to Prose: Biomechanics-Grounded Vision-Language Coaching
    Yuyang Ji, Yixuan Shen, Shengjie Zhu, Yu Kong, and Feng Liu
    IEEE/CVF Computer Vision and Pattern Recognition (CVPR) , 2026
    PDF
  4. CVPR
    Bridge: Basis-Driven Causal Inference Marries VFMs for Domain Generalization
    Mingbo Hong, Feng Liu, Caroline Gevaert, George Vosselman, and Hao Cheng
    IEEE/CVF Computer Vision and Pattern Recognition (CVPR) , 2026
    PDF
  5. AIED
    DrawSim-PD: Simulating Student Science Drawings to Support NGSS-Aligned Teacher Diagnostic Reasoning
    Arijit Chakma, Peng He, Zeyuan Wang, Honglu Liu, Tingting Li, Tiffany D. Do, and Feng Liu
    International Conference on AI in Education (AIED) , 2026
    PDF
  6. AIED
    Can Multimodal LLMs "See" Science Instruction? Benchmarking Pedagogical Reasoning in K-12 Classroom Videos
    Yixuan Shen*, Peng He*, Honglu Liu, Jinxuan Fan, Yuyang Ji, Tingting Li, Tianlong Chen, Kaidi Xu, and Feng Liu
    International Conference on AI in Education (AIED) , 2026
    PDF
  7. ICCV
    HAMoBE: Hierarchical and Adaptive Mixture of Biometric Experts for Video-based Person ReID
    Yiyang Su*, Yunping Shi*, Feng Liu, and Xiaoming Liu
    IEEE/CVF International Conference on Computer Vision (ICCV) , 2025
    PDF
  8. arXiv
    Person Recognition at Altitude and Range: Fusion of Face, Body Shape and Gait
    Feng Liu, Nicholas Chimitt, Lanqing Guo, Jitesh Jain, Aditya Kane, Minchul Kim, Wes Robbins, Yiyang Su, Dingqiang Ye, Xingguang Zhang, Jie Zhu, Siddharth Satyakam, Christopher Perry, Stanley Chan, Arun Ross, Humphrey Shi, Zhangyang Wang, Anil Jain, and Xiaoming Liu
    arXiv preprint (arXiv) , 2025
    PDF
  9. CVPR
    AG-VPReID: A Challenging Large-Scale Benchmark for Aerial-Ground Video-based Person Re-Identification
    Huy Nguyen, Kien Nguyen, Akila Pemasiri, Feng Liu, Sridha Sridharan, and Clinton Fookes
    IEEE/CVF Computer Vision and Pattern Recognition (CVPR) , 2025
    PDF Website
  10. CVPR
    SapiensID: Foundation for Human Recognition
    Minchul Kim, Dingqiang Ye, Yiyang Su, Feng Liu, and Xiaoming Liu
    IEEE/CVF Computer Vision and Pattern Recognition (CVPR) , 2025
    PDF
  11. CVPR
    Securing the Skies: A Comprehensive Survey on Anti-UAV Methods, Benchmarking, and Future Directions
    Yifei Dong, Fengyi Wu, Sanjian Zhang, Guangyu Chen, Yuzhi Hu, Masumi Yano, Jingdong Sun, Siyu Huang, Feng Liu, Qi Dai, and Zhi-Qi Cheng
    IEEE/CVF Computer Vision and Pattern Recognition (CVPR) , 2025
    PDF