Reduced complexity H.264 to MPEG-2 transcoder

被引：0
|
作者：
Kunzelmann, Philip
Kalva, Hari
机构：
来源：
ICCE: 2007 DIGEST OF TECHNICAL PAPERS INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS | 2007年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents techniques for reducing the complexity of H.264/MPEG-2 transcoding through reuse of information gathered during the H.264 decoding stage. The H.264 macro block (MB) coding modes and the motion vectors are used for mode mapping and motion estimation in MPEG-2. We present a reduced complexity transcoder based on MB mode mapping, dynamic search range, and a dynamic search window. The proposed transcoder reduces the transcoding time by over 60% compared with the baseline cascaded transcoder with a negligible loss in PSNR.
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收藏
页码：133 / 134
页数：2
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