Because of the influence of atmosphere, the characteristics of the sensor and the image recording system, the quality of
on-orbit obtained satellite images maybe get lower. The radiation distortion is caused by various factors, such as the
blurring of the imaging system, non-linear amplitude response, vignetting and shadows, transmission noise, atmospheric
interference, the changes of surface exposure and the radiance changes with the angle. According to the actual
characteristics of high-resolution satellite images, we presented a radiation correction method which solved the image
distortion problem. The radiation correction can provide a good basis for the image geometric correction, image fusion,
etc. By the actual obtaining data of satellite on-orbit experiments, this program solves the problems of chrominance,
mosaics, correction, drop-out lines, and noise existed in the images which are obtained by the raw data after decryption
and decompression. The radiation correction can provide a good basis for the image mapping process, image fusion, etc.
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