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I1 = double(imread('X6.jpg')); [h1 w1 d1] = size(I1); I2 = double(imread('X7.jpg')); [h2 w2 d2] = size(I2); %ÏÔʾͼÏñ²¢ÔÚÏÔʾµÄͼÏñÉÏÈ¡×ø±ê figure; subplot(1,2,1); image(I1/255); axis image; hold on; title('first input image'); [X1 Y1] = ginput2(2); %ÔÚµÚÒ»·ùͼÏñÉÏÈ·¶¨2¸öµã subplot(1,2,2); image(I2/255); axis image; hold on; title('second input image'); [X2 Y2] = ginput2(2); %ÔÚµÚ¶þ·ùͼÏñÉÏÈ¡2¸öµã Z = [ X2' Y2' ; Y2' -X2' ; 1 1 0 0 ; 0 0 1 1 ]'; xp = [ X1 ; Y1 ]; t = Z \ xp; a = t(1); b = t(2); tx = t(3); ty = t(4); T = [a b tx ; -b a ty ; 0 0 1]; cp = T*[ 1 1 w2 w2 ; 1 h2 1 h2 ; 1 1 1 1 ]; Xpr = min( [ cp(1, 0 ] ) : max( [cp(1, w1] );Ypr = min( [ cp(2, 0 ] ) : max( [cp(2, h1] ); [Xp,Yp] = ndgrid(Xpr,Ypr); [wp hp] = size(Xp); X = T \ [ Xp( Yp( ones(wp*hp,1) ]'; clear Ip; xI = reshape( X(1, ,wp,hp)';yI = reshape( X(2, ,wp,hp)';Ip(:,:,1) = interp2(I2(:,:,1), xI, yI, '*bilinear'); Ip(:,:,2) = interp2(I2(:,:,2), xI, yI, '*bilinear'); Ip(:,:,3) = interp2(I2(:,:,3), xI, yI, '*bilinear'); offset = -round( [ min( [ cp(1, 0 ] ) min( [ cp(2, 0 ] ) ] );Ip(1+offset(2):h1+offset(2),1+offset(1):w1+offset(1), = double(I1(1:h1,1:w1, );figure; image(Ip/255); axis image; title('mosaic image'); |
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472381565
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2Â¥2013-06-01 16:42:49
somomo91
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