Research Interest

Image/Video Indexing and Search, Search Engine, Machine Learning, Data Mining, Mobile Computing and Applications, Computer Vision and Photography, Social Networks;

Selected Publications   

International/US Patent

  • Projection Based Hashing That Balances Robustness and Sensitivity of Media Fingerprints (Publication No. US 2011/0299721)
  • Non-parametric Measurement of Media Fingerprint Weak Bits (Publication No. US 2012/0011128)
  • Detecting Doctored JPEG Images (U.S. Patent Number: 7,439,989)
  • Table Detection in Ink Notes (U.S. Patent Number: 7,583,841)
  • Framework for Detecting a Structured Handwritten Object (U.S. Patent Number: 7,664,325)


  • Reviewer for conferences: SIGGRAPH, ICCV, CVPR, ACM MM, etc.
  • Reviewer for journals: TPAMI, TMM, TKDE, TCSVT, TIFS, TIP, etc.