Image correction processing method and apparatus

Details Image correction processing method and apparatus Image correction processing method and apparatus

1984-01-18

1987-07-21

Krass, Errol A.

Boots, shoes, and leggings

358109, 355 52, 382 54, G01C 2500, G03B 2768, H04N 718, G06K 940

Patent

active

046823000

ABSTRACT:
By using a low-frequency component of attitude data of an uncorrected image resulting from scanning the ground by means of a sensor mounted on a satellite, low-frequency distortion correction coefficients are calculated. By using a high-frequency component of attitude data, a change rate is calculated. From said low-frequency distortion correction coefficients and said change rate, distortion correction coefficients covering a high frequency are calculated. By applying bidirectional resampling to the uncorrected image by using said distortion correction coefficients covering a high frequency, a corrected image is obtained.

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