计算机应用研究2016，Vol.33Issue(8)：2552-2556,5.DOI:10.3969/j.issn.1001-3695.2016.08.069
基于视觉颜色对比敏感度模型的动态视频压缩预处理算法
Dynamic preprocess schema of video compression algorithm based on visual color contrast sensitivity model
摘要
Abstract
Aimed at the problem that in the color video compression process,the compress rate is not high and the video qua-li-ty loss is high,this paper proposed a dynamic preprocess schema of video compression algorithm based on visual color con-trast sensitivity model.Firstly,in the color contrast sensitivity model,human visual was not sensitive to high chroma region, so this algorithm assigned different compression weights to different chroma regions.Then it established the space motion model of motion prediction frame based on variance map of frame and frame,and reduced the residual of the high motion region. Lastly,it used adaptive tone mapping functions to control the compress rate of the video,so the visual quality could be high. Some experiment results show that the proposed algorithm gets 30% compress gain than the referred compression software,at the same time,the context of the video has slight influence with the performance of the proposed algorithm depends on the con-text of the video.关键词
视频压缩/人类视觉特点/视觉显著性/空间活动/感知模型/颜色空间Key words
video compress/human visual feature/visual saliency/space motion/perception model/color space分类
信息技术与安全科学引用本文复制引用
贺杰,郭慧,李琳..基于视觉颜色对比敏感度模型的动态视频压缩预处理算法[J].计算机应用研究,2016,33(8):2552-2556,5.基金项目
广西自然科学基金资助项目（2013GXNSFBA019275，2013GXNSFBA019276）；广西高校科研资助项目（2013YB227，2013YB228）；武汉科技大学青年科研骨干基金资助项目 （）
