BIT-RATE CONTROL FOR COMPRESSION OF VIDEO WITH ROI

被引：0

作者：

Skarbek, Wladyslaw ^{[1
]}

Buchowicz, Andrzej ^{[1
]}

Pietrowcew, Adam ^{[1
]}

Pereira, Fernando ^{[2
]}

机构：

[1] Warsaw Univ Technol, Inst Radioelect, Warsaw, Poland

[2] Inst Super Tecn, Lisbon, Portugal

来源：

COMPUTER VISION AND GRAPHICS (ICCVG 2004) | 2006年 / 32卷

关键词：

rate distortion theory; bit-rate control; video compression; region of interest;

D O I：

10.1007/1-4020-4179-9_33

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 present a compact survey of bit-rate control techniques winch can he used in design of video codecs equipped with online information on dynamical ROIs. We introduce the concept of zero rate increment on level sets in the context of linear data source models in p-domain. This approach enables a smooth image fidelity degradation on level sets for distance function from pixel to ROI. We focus in our examples on H.264/AVC which is the state-of-the-art in the video codec area.

引用

页码：228 / 239

页数：12

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