在镜头边界细化中用于参考指标构建的特征检验

Proceedings of the Sixth International Symposium on Signal Processing and its Applications (Cat.No.01EX467) Pub Date : 1900-01-01 DOI:10.1109/ISSPA.2001.949807

W. Heng, K. Ngan

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引用次数: 1

摘要

弹丸边界细化是长跃迁分析的第一阶段。它的目的是提取视频序列中确切的过渡开始和结束。这是通过首先构造一个参考指标，然后在这样一个指标中拾取急剧的梯度变化来完成的。构建参考指标时使用的参数可以变化，可以使用不同的特征，在不同的位置设置参考系。本文考察了这些参数的变化所产生的效果，以及应用于具有不同特效的过渡时的含义。

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Examination of features used for reference indicator construction in shot boundary refinement

Shot boundary refinement is the first stage of long transition analysis. Its purpose is to extract the exact transition start and end in a video sequence. This is done by first constructing a reference indicator and then picking up the sharp gradient changes within such an indicator. The parameter used in constructing the reference indicator can vary, and different features can be used, with reference frames set at different positions. This paper examines the effect of varying these parameters, and its implication when applied to transitions with different special effects.

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Proceedings of the Sixth International Symposium on Signal Processing and its Applications (Cat.No.01EX467)

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