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Content-Based Retrieval of Functional Objects in Video Using Scene Context

  • Sangmin Oh
  • Anthony Hoogs
  • Matthew Turek
  • Roderic Collins
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6311)

Abstract

Functional object recognition in video is an emerging problem for visual surveillance and video understanding problem. By functional objects, we mean objects with specific purpose such as postman and delivery truck, which are defined more by their actions and behaviors than by appearance. In this work, we present an approach for content-based learning and recognition of the function of moving objects given video-derived tracks. In particular, we show that semantic behaviors of movers can be captured in location-independent manner by attributing them with features which encode their relations and actions w.r.t. scene contexts. By scene context, we mean local scene regions with different functionalities such as doorways and parking spots which moving objects often interact with. Based on these representations, functional models are learned from examples and novel instances are identified from unseen data afterwards. Furthermore, recognition in the presence of track fragmentation, due to imperfect tracking, is addressed by a boosting-based track linking classifier. Our experimental results highlight both promising and practical aspects of our approach.

Keywords

Functional Model Defense Advance Research Project Agency Functional Object Defense Advance Research Project Agency Scene Context 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Sangmin Oh
    • 1
  • Anthony Hoogs
    • 1
  • Matthew Turek
    • 1
  • Roderic Collins
    • 1
  1. 1.Kitware Inc 

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