14-6.m

matlab6.5图形图像处理源程序.很多的。很好用的。很有帮助的。

PSF  = fspecial('gaussian',13,1);
OTF  = psf2otf(PSF,[31 31]); 
% PSF转换成OTF
subplot(1,2,1); surf(PSF); title('PSF');
axis square; axis tight
subplot(1,2,2); surf(abs(OTF)); title('corresponding |OTF|');
axis square; axis tight