NAOC Open IR
improvedapplicationofjpeg2000toimagecompressiononspacesolartelescope
Xie Hua1; Harald MICHALIK2; Jin Shengzhen3; Ai Guoxiang3
2006
Source Publication北京大学学报自然科学版
ISSN0479-8023
Volume42Issue:3Pages:366
AbstractA new coding and rate control method for JPEG2000 is proposed to improve its coding efficiency. Through modifying the coding order, the most important passes are coded first in a whole tile. Then, a simple data-stream truncation method is able to both terminate the coding in advance and approximate the optimal rate distortion. At the end, a feasible parallel implementation is proposed and it is to speed up JPEG2000 significantly. The improved algorithm makes JPEG2000 much more beneficial to applications with the restricted computing resource on board. The research satisfies the elementary requirements of image compression of Space Solar Telescope.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/48849
Collection中国科学院国家天文台
Affiliation1.北京大学
2.Institute of Computer and Communication Network Engineering, Technical University of Braunschweig
3.中国科学院国家天文台
Recommended Citation
GB/T 7714
Xie Hua,Harald MICHALIK,Jin Shengzhen,et al. improvedapplicationofjpeg2000toimagecompressiononspacesolartelescope[J]. 北京大学学报自然科学版,2006,42(3):366.
APA Xie Hua,Harald MICHALIK,Jin Shengzhen,&Ai Guoxiang.(2006).improvedapplicationofjpeg2000toimagecompressiononspacesolartelescope.北京大学学报自然科学版,42(3),366.
MLA Xie Hua,et al."improvedapplicationofjpeg2000toimagecompressiononspacesolartelescope".北京大学学报自然科学版 42.3(2006):366.
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