A data compression algorithm suitable for JASMINE

Details A data compression algorithm suitable for JASMINE A data compression algorithm suitable for JASMINE

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005rnaoj...8...15y&link_type=abstract

Report of the National Astronomical Observatory of Japan (ISSN 0915-6321), Vol. 8, No. 1 - 2, p. 15 - 20 (2005)

Astronomy and Astrophysics

Astronomy

Data Processing, Astronomical Data

Scientific paper

We investigate data compression algorithm for astronomical satellite mission JASMINE. We are required to use lossless compression algorithms for scientific data. We cannot use lossy compression schemes which recently develop with the advance of internet technologies. Astronomical data is mainly image data, and it is binary data. Consequently, we must use lossless binary compression algorithms. Furthermore, CPU power is very limited in satellite mission. We conclude that combination of Golomb-Rice codes and Karhunen-Loeve transformation is suitable for JASMINE data.

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