New region-of-interest image coding method

被引：0

作者：

Wang, Ruixin ^{[1
]}

Wu, Jin ^{[1
]}

Chen, Min ^{[1
]}

Chen, Jingjing ^{[1
]}

机构：

[1] Wuhan Univ Sci & Technol, Coll Informat Sci & Engn, Wuhan 430081, Peoples R China

来源：

REMOTE SENSING AND GIS DATA PROCESSING AND APPLICATIONS; AND INNOVATIVE MULTISPECTRAL TECHNOLOGY AND APPLICATIONS, PTS 1 AND 2 | 2007年 / 6790卷

关键词：

image coding; Region Of Interest; wavelet transform; the scaling value; JPEG2000;

D O I：

10.1117/12.774814

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

JPEG2000 standard provides a series of good performance. The Region Of Interest (ROI) coding is one of the important features. People always hope that the quality and the priority of their interesting regions are higher than background (BG) region in the course of transmission. ROI coding methods defined in JPEG2000 are introduced in the paper: the General Scaling-based method and the Maximum shift (Maxshift) method. Based on the Maxshift method, we proposed a new method which removes the high-frequency part of BG of the Maxshift method. It can improve compression ratio, reduce the computer complexity and optimize ROI coding purpose.

引用

页数：7

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