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学术报告(Jianxin Wu)

题目:Learning with Histogram Intersection Kernel

报告人:
  Dr. Jianxin Wu
  Assistant Professor
  School of Computer Engineering,
  Nanyang Technological University, Singapore

时间:12月16日 10:30-11:30

地点:蒙民伟楼604会议室

摘要:Histogram Intersection Kernel (HIK) was proposed as a way to compare the
 similarity of two histograms, originally in the computer vision field. HIK
was then proved to be a valid Mercer kernel when the histograms are composed
of non-negative integer values.  In this talk I will introduce recent advances
 in learning with HIK, in terms of both effectiveness and efficiency. I will
present methods that make learning with HIK (almost) as fast as linear methods
 (e.g. linear SVM). These methods include a super fast HIK SVM solver. On
several real-world, large scale computer vision problems, HIK has achieved
superior performances. I will generalize HIK SVM learning to real-valued, non-
histogram feature vectors.

简历:Jianxin Wu received the BS degree and MSc degree in computer science,
both from Nanjing University, China. He obtained a PhD in Computer Science in
Georgia Institute of Technology under the supervision of Dr. James M. Rehg. He
 is currently an assistant professor in the School of Computer Engineering, 
Nanyang Technological University, Singapore. His research interests are
computer vision, machine learning, and robotics.



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