RGB-D based multi-attribute people search in intelligent visual surveillance

  • Authors:
  • Wu Liu;Tian Xia;Ji Wan;Yongdong Zhang;Jintao Li

  • Affiliations:
  • Institute of Computing Technology, Chinese Academy of Science, Beijing, China;Institute of Computing Technology, Chinese Academy of Science, Beijing, China;Institute of Computing Technology, Chinese Academy of Science, Beijing, China;Institute of Computing Technology, Chinese Academy of Science, Beijing, China;Institute of Computing Technology, Chinese Academy of Science, Beijing, China

  • Venue:
  • MMM'12 Proceedings of the 18th international conference on Advances in Multimedia Modeling
  • Year:
  • 2012

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Abstract

Searching people in surveillance videos is a typical task in intelligent visual surveillance (IVS). However, current IVS techniques can hardly handle multi-attribute queries, which is a natural way of finding people in real-world. The challenges arise from the extraction of multiple attributes which largely suffer from illumination change, shadow and complicated background in the real-world surveillance environments. In this paper, we investigate how these challenges can be addressed when IVS is equipped with RGB-D information obtained by an RGB-D camera. With the RGB-D information, we propose methods that accurately and robustly segment human region and extract three groups of attributes including biometrical attributes, appearance attributes and motion attributes. Furthermore, we introduce a novel IVS system which is capable of handling multi-attribute queries for searching people in surveillance videos. Experimental evaluations demonstrate the effectiveness of the proposed method and system, and also the promising applications of bringing RGB-D information into IVS.