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利用自适应时间片梯度谱对镜头转换进行精细识别

DOI: 10.11834/jig.200308330

Keywords: 计算机图象处理(520?6040),视频分析,模板匹配,镜头转换识别

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Abstract:

提出了一种利用视频序列的自适应时间片梯度谱对镜头转换类型进行精细识别的算法.在这个算法中,首先提出了自适应时间片梯度谱的概念,并且在此基础上,提出了用于识别镜头转换类型的模板构造和匹配算法,同时还给出了一种描述语言作为模板的软描述方法,用以适应不同的图象尺寸和镜头转换的持续时间.实验结果表明,这种方法在多数情况下具有很好的识别效果,只是在两个镜头转换非常相近时,识别效果差些,另外,该方法识别速度快,同时具有很强的鲁棒性和可扩展性,是解决镜头转换类型精细识别问题的一个有益尝试

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