Xiaowei Zhou (周晓巍)

Postdoctoral Researcher
– GRASP Laboratory & Department of CIS
– University of Pennsylvania
Address: Levine Hall L403, 3330 Walnut St, Philadelphia, PA 19104
Please find my CV here

Research Interests

I have a broad background and research experience in computer vision, medical image analysis and bioinformatics. My motivation has always been to mathematically understand and interpret high-dimensional data in these areas, such as videos, medical images and genomics data, in order to develop provable computational methods for extracting valuable information from data. In particular, I developed several low-rank modeling-based methods for image analysis during my PhD. After moving to the GRASP Lab at Penn, I’m primarily interested in 3D shape reconstruction and pose estimation. I’m also working on a project on vision-based navigation of UAVs for autonomous deck operation.


Sep. 2008 – Aug. 2013, Ph.D. in Electronic and Computer Engineering, HKUST
Mar. 2012 – Jun. 2012, Visiting student at Image Processing and Analysis Group, Yale University
Sep. 2004 – Jun. 2008, Bachelor in optical engineering, Zhejiang University


  1. X. Zhou, C. Yang, H. Zhao, W. Yu. Low-Rank Modeling and its Applications in Image Analysis. To appear in ACM Computing Surveys, 2014.
  2. X. Zhou, J. Liu, X. Wan, W. Yu. Piecewise-constant and low-rank approximation for identification of recurrent copy number variations. Bioinformatics, 2014
  3. X. Zhou, X. Huang, J.S. Duncan, W. Yu. Active Contours with Group Similarity. In Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, 2013.
  4. X. Zhou, W. Yu. Low-Rank Modeling and its Applications in Medical Image Analysis. SPIE Defense, Security, and Sensing: Signal, Image, and Neural Net Processing, 2013  (Invited paper).
  5. X. Zhou, C. Yang, W. Yu. Moving Object Detection by Detecting Contiguous Outliers in the Low-Rank Representation. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2013.
  6. X. Zhou, C. Yang, X. Wan, H. Zhao, W. Yu. Multi-Sample aCGH Data Analysis via Total Variation and Spectral Regularization. IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2013.
  7. X. Zhou, S. Lei, Y. Yu, C. Lien, K. K. Shung, W. Yu. Ultrasound Bio-Microscopic Image Segmentation for Evaluation of Zebrafish Cardiac Function. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2013.
  8. X. Zhou, C.Yang, W. Yu. Automatic Mitral Leaflet Tracking by Outlier Detection in the Low-rank Representation. In Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, 2012.
  9. C. Yang, X. Zhou, X. Wan, Q. Yang, H. Xue and W. Yu. Identifying Disease-Associated SNP Clusters via Contiguous Outlier Detection. Bioinformatics, 2011.
  10. X. Zhou, T. Liang, and W. Yu. Accurate Segmentation of Ultrasound Images Using the Motion Cue. In Proceedings of International Symposium on Biomedical Imaging, 2010.