數(shù)字圖像處理最終版打印(編輯修改稿)
2025-07-21 14:07 本頁面
【文章內(nèi)容簡介】 nion = imread(39。39。)。peppers = imread(39。39。)。imshow(onion)figure, imshow(peppers) 截取圖片的一部分，rect_onion = [111 33 65 58]。rect_peppers = [163 47 143 151]。sub_onion = imcrop(onion,rect_onion)。sub_peppers = imcrop(peppers,rect_peppers)。figure, imshow(sub_onion)figure, imshow(sub_peppers) 做歸一化互相關(guān)和找峰值坐標c = normxcorr2(sub_onion(:,:,1),sub_peppers(:,:,1))。figure, surf(c), shading flat 找圖片間的互補點[max_c, imax] = max(abs(c(:)))。[ypeak, xpeak] = ind2sub(size(c),imax(1))。corr_offset = [(xpeaksize(sub_onion,2)) (ypeaksize(sub_onion,1))]。rect_offset = [(rect_peppers(1)rect_onion(1)) (rect_peppers(2)rect_onion(2))]。offset = corr_offset + rect_offset。xoffset = offset(1)。yoffset = offset(2)。2,1,5 把onion images 從peppers images中抽出來xbegin = round(xoffset+1)。xend = round(xoffset+ size(onion,2))。ybegin = round(yoffset+1)。yend = round(yoffset+size(onion,1))。extracted_onion = peppers(ybegin:yend,xbegin:xend,:)。if isequal(onion,extracted_onion) disp(39。 was extracted from 39。)end 把onion images 填補到peppers images的位置recovered_onion = uint8(zeros(size(peppers)))。recovered_onion(ybegin:yend,xbegin:xend,:) = onion。figure, imshow(recovered_onion) 透明疊加onion images 到peppers images上[m,n,p] = size(peppers)。mask = ones(m,n)。i = find(recovered_onion(:,:,1)==0)。mask(i) = .2。figure, imshow(peppers(:,:,1)) hold onh = imshow(recovered_onion)。 set(h,39。AlphaData39。,mask) 去模糊2,2,1 讀取圖片I = imread(39。39。)。figure。imshow(I)。title(39。Original Image39。)。 對圖片進行模糊處理PSF = fspecial(39。gaussian39。,7,10)。Blurred = imfilter(I,PSF,39。symmetric39。,39。conv39。)。figure。imshow(Blurred)。title(39。Blurred Image39。)。 使用不同大小的PSFs恢復模糊圖像UNDERPSF = ones(size(PSF)4)。[J1 P1] = deconvblind(Blurred,UNDERPSF)。figure。imshow(J1)。title(39。Deblurring with Undersized PSF39。)。OVERPSF = padarray(UNDERPSF,[4 4],39。replicate39。,39。both39。)。[J2 P2] = deconvblind(Blurred,OVERPSF)。figure。imshow(J2)。title(39。Deblurring with Oversized PSF39。)。INITPSF = padarray(UNDERPSF,[2 2],39。replicate39。,39。both39。)。[J3 P3]
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