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镜头变换检测
释义
镜头变换检测
Encyclopedia
理学
视频分割
释
shot transition detection
镜头变换检测
镜头是摄像机的一次启停操作所记录下来的视频片段。一段视频(如新闻、电影、纪录片等)通常是由许多镜头按照一定的逻辑顺序拼接在一起而构成的。为了更好地对视频内容进行分析理解、索引与检索,需要将一段视频在时间轴上进行分割,将它分解成一系列具有不同语义信息的片段。便如自然段是构成一篇文章的最小语义单位一样,镜头也是分析一段视频的最小结构化单位。镜头变换检测就是寻找一段视频中相邻镜头间的过渡边界,从而将该段视频分解成一组镜头序列。
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nonnegative
non negative characteristic form
non-negative characteristic form
nonnegative characteristic form
nonnegative combination
nonnegative definite
nonnegative definite kernel
nonnegative definite matrix
nonnegative definiteness
nonnegative definite quadratic estimate
non-negative definite quadratic estimator
nonnegative divisor
nonnegative element
nonnegative function
nonnegative integer
nonnegative integral kernel
nonnegative manifold
nonnegative matrix
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