Carried object detection and tracking using geometric shape models and spatio-temporal consistency

  • Authors:
  • Aryana Tavanai;Muralikrishna Sridhar;Feng Gu;Anthony G. Cohn;David C. Hogg

  • Affiliations:
  • School of Computing, University of Leeds, Leeds, United Kingdom;School of Computing, University of Leeds, Leeds, United Kingdom;School of Computing, University of Leeds, Leeds, United Kingdom;School of Computing, University of Leeds, Leeds, United Kingdom;School of Computing, University of Leeds, Leeds, United Kingdom

  • Venue:
  • ICVS'13 Proceedings of the 9th international conference on Computer Vision Systems
  • Year:
  • 2013

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Abstract

This paper proposes a novel approach that detects and tracks carried objects by modelling the person-carried object relationship that is characteristic of the carry event. In order to detect a generic class of carried objects, we propose the use of geometric shape models, instead of using pre-trained object class models or solely relying on protrusions. In order to track the carried objects, we propose a novel optimization procedure that combines spatio-temporal consistency characteristic of the carry event, with conventional properties such as appearance and motion smoothness respectively. The proposed approach substantially outperforms a state-of-the-art approach on two challenging datasets PETS2006 and MINDSEYE2012.