Image Compression Algorithm Based On Reversible Integer Time-Domain Lapped Transform And Quadtree Partition

被引：0
|
作者：
Ma, Xiuhua [1 ]
Dong, Jiwen [1 ]
Zhao, Peilong [1 ]
机构：
[1] Univ Jinan, Dept Comp Sci & Technol, Shandong Prov Key Lab Network Based Intelligent C, Jinan, Peoples R China
来源：
2014 IEEE 7TH JOINT INTERNATIONAL INFORMATION TECHNOLOGY AND ARTIFICIAL INTELLIGENCE CONFERENCE (ITAIC) | 2014年
关键词：
quadtree partition; reversible integer time-domain lapped transform; DCT; image compression;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A new image compression system based on quadtreepartition and reversible integer time-domain lapped transform (RTDLT) as core transform technology is proposed. The system obtained transformation region of different sizes through quadtree partition to remove the correlation between the pixels by utilizing features of image regions. The performance of reversible integer discrete cosine transform (RDCT) was improved with the method of quadtree partition. Superior performance can be achieved in most cases than the fixed block RTDLT and RDWT about the rate-distortion and subjective visual quality.
引用
收藏
页码：290 / 294
页数：5
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