H.264 to MPEG-4 transcoding using block type information

被引：0
|
作者：
Hur, Jae-Ho [1 ]
Lee, Yung-Lyul [1 ]
机构：
[1] Sejong Univ, Dept Internet Engn, 98 Kunja Dong, Seoul 143747, South Korea
来源：
TENCON 2005 - 2005 IEEE REGION 10 CONFERENCE, VOLS 1-5 | 2006年
关键词：
transcoding; H.264; MPEG-4; motion estimation; motion compensation;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we propose a heterogeneous transcoding method of converting an H.264 video bitstream into an MPEG-4 video bitstream. When the H.264 video bitstream is transformed into the MPEG-4 video bitstream, the conversions between the 1-1.264 block types and the MPEG-4 block types are performed by minimizing the distortion, and 4X4 block-based motion vector mapping is performed. The proposed transcoder runs 5.2 times faster than the cascaded transcoding method, while maintaining the similar PSNR (peak-signal-to-noise ratio).
引用
收藏
页码：2368 / +
页数：3
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