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      • Department of Computer Engineering
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      Two-person interaction recognition via spatial multiple instance embedding

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      Author
      Sener F.
      Ikizler-Cinbis, N.
      Date
      2015
      Source Title
      Journal of Visual Communication and Image Representation
      Print ISSN
      10473203
      Publisher
      Academic Press Inc.
      Volume
      32
      Pages
      63 - 73
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      Abstract In this work, we look into the problem of recognizing two-person interactions in videos. Our method integrates multiple visual features in a weakly supervised manner by utilizing an embedding-based multiple instance learning framework. In our proposed method, first, several visual features that capture the shape and motion of the interacting people are extracted from each detected person region in a video. Then, two-person visual descriptors are formed. Since the relative spatial locations of interacting people are likely to complement the visual descriptors, we propose to use spatial multiple instance embedding, which implicitly incorporates the distances between people into the multiple instance learning process. Experimental results on two benchmark datasets validate that using two-person visual descriptors together with spatial multiple instance learning offers an effective way for inferring the type of the interaction. © 2015 Elsevier Inc.
      Keywords
      Activity recognition
      Human actions
      Human interaction recognition
      Human interactions
      Multiple instance learning
      Spatial embedding
      Video analysis
      Video retrieval
      Image recognition
      Motion estimation
      Activity recognition
      Human actions
      Human interaction recognition
      Human interactions
      Multiple instance learning
      Spatial embedding
      Video analysis
      Video retrieval
      Learning systems
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      http://hdl.handle.net/11693/20726
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.jvcir.2015.07.016
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      • Department of Computer Engineering 1368
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