An evaluation of JPEG compression for on-line satellite images transmission

Author

Tada, T. ; Cho, K. ; Shimoda, H. ; Sakata, T. ; Sobue, S.

Author_Institution

Res. & Inf. Center, Tokai Univ., Tokyo, Japan

fYear

1993

fDate

18-21 Aug 1993

Firstpage

1515

Abstract

Image compression is a key technology to realize on-line satellite image transmission economically and quickly. Among various image compression algorithms, the JPEG algorithm is the international standard for still color image compression. In this study, various kinds of satellite images were compressed with the JPEG algorithm. The relation between compression ratio and image quality were evaluated. As for the image quality evaluation, both subjective evaluation and objective evaluation were performed. It was determined that all the test satellite images could be compressed to at least 1/10 of the original data volume preserving high visual image quality. The degradation of spatial distribution quality of the compressed images were evaluated using power spectrum of original and compressed images

Keywords

data compression; geophysical techniques; image coding; remote sensing; JPEG; algorithm; data coding; data compression; geophysical measurement technique; geophysics computing; image processing; image transmission; land surface remote sensing; satellite image; still color image compression; telemetry; Color; Degradation; Image coding; Image communication; Image quality; Performance evaluation; Power generation economics; Satellites; Testing; Transform coding;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 1993. IGARSS '93. Better Understanding of Earth Environment., International

Conference_Location

Tokyo

Print_ISBN

0-7803-1240-6

Type

conf

DOI

10.1109/IGARSS.1993.322757

Filename

322757