Matlab：盲反卷積還原失焦圖像

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % 盲反卷積還原失焦圖像 % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%I = imread('G:\BaiduNetdiskDownload\5.jpg'); I=rgb2gray(I) PSF=fspecial('gaussian',7,30); Blurred=imfilter(I,PSF,'symmetric','conv'); figure;imshow(Blurred);title('失焦圖像'); UNDERPSF = ones(size(PSF)-4); [J1 P1] = deconvblind(Blurred,UNDERPSF); figure;imshow(J1);title('Deblurring with Undersized PSF'); OVERPSF = padarray(UNDERPSF,[4 4],'replicate','both'); [J2 P2] = deconvblind(Blurred,OVERPSF); figure;imshow(J2);title('Deblurring with Oversized PSF'); INITPSF = padarray(UNDERPSF,[2 2],'replicate','both'); [J3 P3] = deconvblind(Blurred,INITPSF); figure;imshow(J3);title('Deblurring with INITPSF'); figure; subplot(221);imshow(P1,[],'InitialMagnification','fit'); title('重建 Undersized PSF'); subplot(222);imshow(P2,[],'InitialMagnification','fit'); title('重建 Oversized PSF'); subplot(223);imshow(P3,[],'InitialMagnification','fit'); title('重建 init PSF'); WEIGHT = edge(I,'sobel',.3); se = strel('disk',2); WEIGHT = 1-double(imdilate(WEIGHT,se)); WEIGHT([1:3 end-[0:2]],:) = 0; WEIGHT(:,[1:3 end-[0:2]]) = 0; figure;imshow(WEIGHT);title('Weight array'); [J P] = deconvblind(Blurred,INITPSF,30,[],WEIGHT); figure;imshow(J);title('復原圖像'); P1 = 2; P2 = 2; FUN = @(PSF) padarray(PSF(P1+1:end-P1,P2+1:end-P2),[P1 P2]); [JF PF] = deconvblind(Blurred,OVERPSF,30,[],WEIGHT,FUN); figure;imshow(JF);title('復原圖像'); displayEndOfDemoMessage(mfilename)

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