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Transfer Function Compensation of Sampled Imagery R J Arguello H R Sellner and J A Stuller IEEE Transactions
SpaceVariant Image Motion Degradation and Restoration A A Sawchuk Proceedings of the IEEE July 1972
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algorithm analysis applications approach approximately array bands blur camera classification coding coefficients color components coordinates correlation degradation density detection digital image processing DPCM Earth Resources encoding enhancement equation error ERTS estimate evaluation example extraction feature feature extraction film filter Fourier transform function geometric correction geometric distortion grammars gray levels Hadamard transformation IEEE IEEE Trans image data image registration image restoration imagery input intensity inverse inverse filter K. S. Fu Landsat linear mapping matrix measure method multispectral NASA noise nonlinear object obtained operations optical output parameters pattern recognition photographs picture elements pixel point spread function points problem Proc procedure quantization radiometric region registration remote sensing rotation Saindak samples satellite scan scanner scene sensor shown in Fig signal space space-variant spatial frequency spectral statistical structure Symp Tech techniques threshold tion two-dimensional values variance vector vidicon Wiener filter