Spherical torus-based video hashing for near-duplicate video detection

基于球环的相似视频检测视频哈希方法

摘要

创新点

本文提出利用球环构造视频哈希的方法, 用于相似视频检测。 在该方法中, 视频片段被分成若干个视频立方体, 在每个立方体中, 对视频立方体的内切球进行均匀划分, 并把球环信息投影到一副图像上, 进而对该投影图像进行非负矩阵分解, 利用分解得到的系数构造视频哈希。 本文方法沿球面切线方向提取视频时空信息, 较好的捕捉了视频时空信息变化, 提高了相似视频检测的精度和区分度。

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Correspondence to Ju Liu.

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Nie, X., Chai, Y., Liu, J. et al. Spherical torus-based video hashing for near-duplicate video detection. Sci. China Inf. Sci. 59, 059101 (2016). https://doi.org/10.1007/s11432-016-5528-6

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关键词

  • 视频哈希
  • 相似视频检测
  • 时空信息
  • 球环
  • 非负矩阵分解