A New Automatic On-Board Multispectral Image Compression System for Leo Earth Observation Satellites

Author

Yu, Guoxia ; Vladimirova, Tanya ; Sweeting, Martin

Author_Institution

Univ. of Surrey, Guildford

fYear

2007

fDate

1-4 July 2007

Firstpage

395

Lastpage

398

Abstract

This paper has proposed an automatic onboard multispectral image compression system, for LEO Earth Observation satellites. This system has combined tiling, sub-pixel band registration, radiometric calibration, and multispectral image compression, to achieve automatic on-board image processing requirement. Two radiometric calibration methods are compared, and brightness difference compensation (BDC) is preferred. A new robust band registration technique, which is gradient image based phase correlation (GradPC), is proposed. Experimental work based on natural satellite test images is given and results validate the system design.

Keywords

data compression; gradient methods; image coding; image registration; LEO earth observation satellite; automatic onboard multispectral image compression; brightness difference compensation; gradient image based phase correlation; image tiling; radiometric calibration; subpixel band registration; Artificial satellites; Brightness; Calibration; Image coding; Image processing; Low earth orbit satellites; Multispectral imaging; Radiometry; Robustness; Satellite broadcasting; Multispectral image compression; automatic; band registration; on-board; radiometric calibration;

fLanguage

English

Publisher

ieee

Conference_Titel

Digital Signal Processing, 2007 15th International Conference on

Conference_Location

Cardiff

Print_ISBN

1-4244-0882-2

Electronic_ISBN

1-4244-0882-2

Type

conf

DOI

10.1109/ICDSP.2007.4288602

Filename

4288602