层次化结构信息的视频重着色

洪日昌
洪日昌
李晓莉
李晓莉

小型微型计算机系统, 2015.

Cited by: 0|Views52

Abstract:

视频重着色可以有效地提高色盲用户对多媒体信息的可访问性,但是目前视频重着色研究存在颜色不一致性问题.针对该问题,提出一种基于层次化结构信息的视频重着色的方法.该方法在视频层次化结构中应用基于CIELAB颜色空间旋转的重着色方法,采用颜色空间量化和哈希表相结合的方式实现实时性,同时既使每个镜头中的颜色变换函数保持相同,又使场景中镜头之间的颜色变换函数变化缓慢,实现场景内颜色的一致性.实验结果表明,对于不同种类的视频,该方法都能有效地使视频更好地被色盲用户感知,为视频重着色在多媒体搜索中的应用起到推动作用.

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ZH层次化结构信息的视频重着色
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