Sifan Zhou

Sifan Zhou.

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I am a final-year Ph.D. Student at Southeast University (SEU). Besides, I am also a Visiting student at Carnegie Mellon University (CMU) AIR Lab, advised by Prof. Sebastian Scherer and Prof. Wenshan Wang. I am currently collaborating with Shibo Zhao and Yuheng Qiu at CMU RI. I have close collaborations with Prof. Xingxing Zuo at MBZUAI, Prof. Chen Wang at Buffalo University, and Prof. Yuzhang Shang at University of Central Florida (UCF). I greatly enjoyed my previous internship at Meituan Vision Intelligence Department, where I focused on 3D visual perception. During this internship, I was supervised by Xiangxiang Chu and Zhi Tian, and I also received valuable guidance from Xinyu Zhang, Liang Li and Bo Zhang. After this, I was fortunate to intern at Houmo.AI, concentrating on efficient AI, under the supervision of Zhihang Yuan. Before Ph.D., I worked as research assistants at Fudan University under the supervision of Prof. Patrick Yin Chiang. I earned my Master of Robotics from Northeastern University in 2021, advised by Prof. Zheng Fang. Outside of research, I enjoy fitness and music. My biggest hobbies are going to the gym and attending music festivals~

My research interests focus on Efficient AI (model compression/quantization for LLMs/MLLMs), Spatial AI (learning-based multi-sensor [LiDAR/Camera/IMU] perception for robotics), and Embodied AI (VLA/VLN for robotics). Feel free to contact me if you are interested in my research and want to discuss relevant research topic or potential collaborations!

My long-term research vision is to enable natural interaction and seamless collaboration between robots and humans in open environments by accurately understanding/reasoning robot states, surrounding 3D scenes, and action execution.

I am on the job market and actively seeking full-time research scientist/engineer opportunities starting in 2026.

news

Feb 21, 2026 Yo’City has been accepted to CVPR 2026. Congratulations, Keyang! :sparkles: :smile:
Jan 31, 2026 GSRender has been accepted to ICRA 2026. Congratulations, Qianpu! :sparkles: :smile:
Jan 26, 2026 UniF$^2$ace has been accepted to ICLR 2026. Congratulations, junzhe! :sparkles: :smile:
Nov 15, 2025 SuperOdometryV2 has been accepted to Science Robotics. This is my first submission to a Science sub-journal-—accepted on the first try. :sparkles: :smile:

selected publications

  1. Science Robotics
    Resilient Odometry via Hierarchical Adaptation
    Shibo Zhao, Sifan Zhou, Zhang Yuchen, and 4 more authors
    Science Robotics, 2025
  2. CVPR 2026
    Yo’City: Personalized and Boundless 3D Realistic City Scene Generation via Self-Critic Expansion
    Keyang Lu, Sifan Zhou, Hongbin Xu, and 6 more authors
    arXiv preprint arXiv:2511.18734, 2026
  3. ICLR 2026
    UniF^2ace: A Unified Fine-grained Face Understanding and Generation Model
    Junzhe Li*, Sifan Zhou*, Guo Liya, and 8 more authors
    In The Fourteenth International Conference on Learning Representations, 2026
  4. R-AL 2026
    Beyond Frame-wise Tracking: A Trajectory-Based Paradigm for Efficient Point Cloud Tracking
    BaiChen Fan*, Sifan Zhou*#, Jian Li, and 3 more authors
    IEEE Robotics and Automation Letters, 2026
  5. AAAI (Oral)
    CompTrack: Information Bottleneck-Guided Low-Rank Dynamic Token Compression for Point Cloud Tracking
    Sifan Zhou, Cao Yichao, Nie Jiahao, and 4 more authors
    In The Fortieth AAAI Conference on Artificial Intelligence (Oral), 2026
  6. TCSVT
    FastPillars: A Deployment-friendly Pillar-based 3D Detector
    Sifan Zhou, Xinyu Zhang, Xiangxiang Chu, and 3 more authors
    In IEEE Transactions on Circuits and Systems for Video Technology, 2025
  7. CVPR 2025
    Pillarhist: A quantization-aware pillar feature encoder based on height-aware histogram
    Sifan Zhou*, Zhihang Yuan*, Dawei Yang, and 3 more authors
    In Proceedings of the Computer Vision and Pattern Recognition Conference, 2025
  8. CVPR 2025
    Tartan IMU: A Light Foundation Model for Inertial Positioning in Robotics
    Shibo Zhao*, Sifan Zhou*, Raphael Blanchard, and 3 more authors
    In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2025
  9. ACM MM
    MQuant: Unleashing the Inference Potential of Multimodal Large Language Models via Full Static Quantization
    Jiangyong Yu*, Sifan Zhou*, Yang Dawei, and 7 more authors
    In Proceedings of the ACM International Conference on Multimedia (ACM MM), 2025
  10. NeurIPS 2025
    Point4Bit: Post Training 4-bit Quantization for Point Cloud 3D Detection
    Jianyu Wang, Yu Wang, Shengjie Zhao, and 1 more author
    In The Thirty-ninth Annual Conference on Neural Information Processing Systems, 2025
  11. ICRA 2025
    Mvctrack: Boosting 3d point cloud tracking via multimodal-guided virtual cues
    Zhaofeng Hu, Sifan Zhou*#, Zhihang Yuan, and 3 more authors
    In 2025 IEEE International Conference on Robotics and Automation (ICRA), 2025
  12. ICLR 2025
    OSTQuant: Refining Large Language Model Quantization with Orthogonal and Scaling Transformations for Better Distribution Fitting
    Xing Hu, Yuan Cheng, Dawei Yang, and 5 more authors
    In The Thirteenth International Conference on Learning Representations, 2025
  13. ICLR 2025
    MambaQuant: Quantizing the Mamba Family with Variance Aligned Rotation Methods
    Zukang Xu, Yuxuan Yue, Xing Hu, and 6 more authors
    In The Thirteenth International Conference on Learning Representations, 2025
  14. ICLR 2024
    LiDAR-PTQ: Post-Training Quantization for Point Cloud 3D Object Detection
    Sifan Zhou, Liang Li, Xinyu Zhang, and 6 more authors
    In International Conference on Learning Representations (ICLR), 2024
  15. TMM
    Real-time 3D single object tracking with transformer
    Jiayao Shan*, Sifan Zhou*, Yubo Cui, and 1 more author
    IEEE Transactions on Multimedia, 2022
  16. IROS 2021
    PTT: Point-track-transformer module for 3D single object tracking in point clouds
    Jiayao Shan*, Sifan Zhou*, Zheng Fang, and 1 more author
    In 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2021

honors and awards

Jan, 2026 AAAI 2026 Student Travel Award
May, 2025 ICRA 2025 Student Travel Award
Jun, 2024 NeurIPS 2024 Top-Reviewer.
Mar, 2024 ICLR 2024 Student Travel Award
Jul, 2021 Outstanding Master’s Graduate & Thesis (Top 1%)
May, 2017 China Telecom Scholarship (Top 1%)
Oct, 2016 National Scholarship (Top 1%)
Oct, 2015 National Scholarship (Top 1%)