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A New Lossless Compression Scheme for Large Aperture Static Imaging Spectrometer
Yu, Lu1,2; Liu, Xuebin1; Li, Hongbo1; Yu, Tao1; Hu, Bingliang1; Yu, L (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Spectral Imaging Technol, Xian, Shaanxi, Peoples R China.
2017
Conference NameInternational Conference on Circuits, Devices and Systems (ICCDS)
Source PublicationCONFERENCE PROCEEDINGS OF 2017 INTERNATIONAL CONFERENCE ON CIRCUITS, DEVICES AND SYSTEMS (ICCDS)
Pages179-183
Conference Date2017-09-05
Conference PlaceChengdu, PEOPLES R CHINA
Publication PlaceNEW YORK
PublisherIEEE
Contribution Rank1
Abstract

In this paper, a novel method for the lossless compression of the interferometer hyperspectral instrument Large Aperture Static Imaging Spectrometer (LASIS) data is presented. This scheme rests upon the combination of data rearrangement and band ordering of LASIS three dimensional image and the recently presented CCSDS-123 lossless multispectral & Hyperspectral image compression standard. Firstly, the LASIS data is rearranged from the photo acquisition coordinate to the optical path difference (OPD) image coordinate by the rearrange approach to remove the interference information superimposed on the image. Then the OPD band is reordered according to the interferogram characteristic to improve the correlation between adjacent bands. Finally, the reordered OPD band data is processed using the CCSDS-123 standard. Several experiments were conducted to investigate the performance of the proposed compression scheme in the end. Experimental results suggest that this proposed compression scheme gives 31% higher compression ratio than using the standard alone.

KeywordLasis Lossless Compression Hyperspectral Data Rearrangement Ccsds-123
Subject AreaEngineering, Electrical & Electronic
Department光谱成像技术实验室
Indexed ByISTP
ISBN978-1-5386-1871-4
Language英语
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/29963
Collection光谱成像技术实验室
Corresponding AuthorYu, L (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Spectral Imaging Technol, Xian, Shaanxi, Peoples R China.
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Spectral Imaging Technol, Xian, Shaanxi, Peoples R China
2.Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Yu, Lu,Liu, Xuebin,Li, Hongbo,et al. A New Lossless Compression Scheme for Large Aperture Static Imaging Spectrometer[C]. NEW YORK:IEEE,2017:179-183.
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