Abstract
The ASTER (Advanced Spaceborne Thermal Emission Radiometer) on EOS AM-1 satellite scheduled to be launched in 1998 includes three telescopes (VNIR : Visible and Near Infrared Radiometer, SWIR : Short Wave Infrared Radiometer, TIR : Thermal Infrared Radiometer) sensitive to different wavelengths. As the telescopes are capable of changing sight directions, some inter-telescope registration technique among images with different spectral characteristics will be necessary. In this study, we propose a new registration technique using image matching to deal with these problems and show experimental results of subpixel accuracy for simulated ASTER images.