Lossy Coding Improvement of EBCOT Design for Onboard JPEG2000 Image Compression

被引：0
|
作者：
Mert, Yakup Murat [1 ]
Yilmaz, Ozan [1 ]
Kazak, Huseyin Erdem [1 ]
Karakus, Koray [1 ]
Ismailoglu, Neslin [1 ]
Oektem, Rusen [2 ]
机构：
[1] TUBITAK Uzay, METU, TR-06531 Ankara, Turkey
[2] Univ Calif Berkeley, Romps Grp, Berkeley, CA USA
来源：
PROCEEDINGS OF 6TH INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN SPACE TECHNOLOGIES (RAST 2013) | 2013年
关键词：
Rate Distortion Optimization; RDO; EBCOT; lossy compression; image compression; FPGA; JPEG2000;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This paper presents new Rate Distortion Optimization (RDO) algorithm and its implementation for JPEG2000. The proposed algorithm simplifies the computational complexity of the RDO and detects Optimal Truncation (OT) point for rate control in parallel with bit-plane coding. It is easy to implement and implemented RDO module brings small hardware cost with slight clock frequency degradation. Experimental results showed that proposed algorithm provides close compression rates with the targets and obtained PSNR values are comparable with the performance of the former designs.
引用
收藏
页码：677 / 681
页数：5
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