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基于模板匹配整帧屏幕视频帧内无损编码方法

冯立新 陶品 温江涛 杨士强

冯立新, 陶品, 温江涛, 等 . 基于模板匹配整帧屏幕视频帧内无损编码方法[J]. 北京航空航天大学学报, 2015, 41(7): 1353-1358. doi: 10.13700/j.bh.1001-5965.2014.0529
引用本文: 冯立新, 陶品, 温江涛, 等 . 基于模板匹配整帧屏幕视频帧内无损编码方法[J]. 北京航空航天大学学报, 2015, 41(7): 1353-1358. doi: 10.13700/j.bh.1001-5965.2014.0529
FENG Lixin, TAO Pin, WEN Jiangtao, et al. Lossless intra coding on whole frame for screen content video based on template matching[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1353-1358. doi: 10.13700/j.bh.1001-5965.2014.0529(in Chinese)
Citation: FENG Lixin, TAO Pin, WEN Jiangtao, et al. Lossless intra coding on whole frame for screen content video based on template matching[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1353-1358. doi: 10.13700/j.bh.1001-5965.2014.0529(in Chinese)

基于模板匹配整帧屏幕视频帧内无损编码方法

doi: 10.13700/j.bh.1001-5965.2014.0529
基金项目: 国家核高基重大专项(2013ZX01039001-002-003)
详细信息
    作者简介:

    冯立新(1978—),男,山东临朐人,硕士研究生,fenglixin@gmail.com

    通讯作者:

    陶品(1974—),男,安徽芜湖人,副教授,taopin@tsinghua.edu.cn,主要研究方向为视频编码、嵌入式媒体处理.

  • 中图分类号: TP37

Lossless intra coding on whole frame for screen content video based on template matching

  • 摘要: 当前主流的视频压缩标准,如H.264、HEVC等,主要是针对摄像机拍摄的视频而设计的.而屏幕内容(SC)的视频是由计算机生成的,无噪声,要求更高的压缩效率,同时与摄像机拍摄的视频相比包含更多的结构相似性.提出了一种利用屏幕视频中相似性的模板匹配帧内编码方法,采用由21个像素点组成的模板,以像素点为最小单位对整帧进行模板匹配,并使用哈希函数实现高效的模板查找,最后对残差图像进行熵编码.实验结果显示,与标准的HEVC扩展方法相比,该方法在无损编码上压缩率可以提高一倍,编码时间减小了近一半.

     

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出版历程
  • 收稿日期:  2014-04-28
  • 修回日期:  2014-10-25
  • 刊出日期:  2015-07-20

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