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1、%圖像處理灰度線性變換matlab代碼%灰度求反forframe=1:27[mri(:,:,:,frame),map]=imread('mri.tif',frame);endX16=mri(:,:,:,16);I16=ind2gray(X16,map);figure,imshow(I16);D=double(I16)/256;figure,imshow(D,[]);I=imadjust(D,[01],[10]);figure,imshow(I,[]);%變亮clear;forframe=1:27[mri(:,:,:,frame),map]=imread('mri.tif'
2、,frame);endX16=mri(:,:,:,16);I16=ind2gray(X16,map);figure,imshow(I16);D=I16;figure,imshow(D,[]);I=D/0.6;figure,imshow(I);%變暗clear;forframe=1:27[mri(:,:,:,frame),map]=imread('mri.tif',frame);endX16=mri(:,:,:,16);I16=ind2gray(X16,map);figure,imshow(I16);D=I16;figure,imshow(D,[]);I=D*0.6;fig
3、ure,imshow(I);
