Automatic two-layer video object plane generation scheme and its application to MPEG-4 video coding

被引：0
|
作者：
Jinzenji, K [1 ]
Okada, S [1 ]
Watanabe, H [1 ]
Kobayashi, N [1 ]
机构：
[1] Nippon Telegraph & Tel Corp, Cyber Space Labs, Yokosuka, Kanagawa 2390847, Japan
来源：
ISCAS 2000: IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS - PROCEEDINGS, VOL III: EMERGING TECHNOLOGIES FOR THE 21ST CENTURY | 2000年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The new video coding standard MPEG-4 provides content-based functionality and low bit-rate video compression. We focused on the "sprite coding" supported MPEG-4 Version 1 Main profile in order to achieve "VHS quality video on 2B (128bps)" for narrow-band transmission such as the Internet. Automatic VOP (Video Object plane) generation technologies are being studied as one of the most important issues of MPEG-4 object coding. This paper proposes a two-layer VOP generation scheme with some core algorithms such as Gh IE (Global Motion Estimation). foreground moving object extraction, and background sprite generation. This paper also describes a shape information reduction method for foreground objects. Using this method, shape information is compressed by 90%. Experiments are conducted on VOP generation and video coding with MPEG-4. Coding efficiency is 3-4 times higher than that of typical existing video coding schemes at the same subjective image quality.
引用
收藏
页码：606 / 609
页数：4
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