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Social interactions by visual focus of attention in a three-dimensional environment

机译：在三维环境中通过视觉关注焦点进行社交互动

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摘要

In human behaviour analysis, the visual focus of attention (VFOA) of a person is a very important cue. VFOA detection is difficult, though, especially in a unconstrained and crowded environment, typical of video surveillance scenarios. In this paper, we estimate the VFOA by defining the Subjective View Frustum, which approximates the visual field of a person in a three-dimensional representation of the scene. This opens up to several intriguing behavioural investigations. In particular, we propose the Inter-Relation Pattern Matrix, which suggests possible social interactions between the people present in a scene. Theoretical justifications and experimental results substantiate the validity and the goodness of the analysis performed.
机译：在人类行为分析中，一个人的视觉关注焦点（VFOA）是非常重要的提示。但是，VFOA检测很困难，尤其是在视频监控场景中典型的无限制且拥挤的环境中。在本文中，我们通过定义“主观视锥”来估计VFOA，该视锥在场景的三维表示中近似了一个人的视野。这打开了几个有趣的行为调查。特别是，我们提出了“相互关系模式矩阵”，该矩阵建议了场景中人们之间可能的社交互动。理论依据和实验结果证实了所进行分析的有效性和优越性。

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  • 来源
    《Expert Systems》 |2013年第2期|115-127|共13页
  • 作者

    L. Bazzani; M. Cristani; D. Tosato; M. Farenzena; G. Paggetti; G. Menegaz; V. Murino;

  • 作者单位

    Dipartimento di Informatica, Universita di Verona, Italy,PAVIS Department, Istituto Italiano di Tecnologia, Genova, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy,PAVIS Department, Istituto Italiano di Tecnologia, Genova, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy;

    Dipartimento di Informatica, Universita di Verona, Italy,PAVIS Department, Istituto Italiano di Tecnologia, Genova, Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    social signal processing; visual focus of attention; social interactions; tracking; head pose estimation;

    机译：社会信号处理;视觉焦点社会互动;跟踪;头部姿势估计;

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