Created
November 28, 2012 12:48
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| close all; | |
| clear all; | |
| clc; | |
| a = readim('gri.png','') | |
| b = smooth(a,5) | |
| [c,thres] = threshold(b,'isodata',Inf) |
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| close all; | |
| clear all; | |
| clc; | |
| im = imread('test2.jpg'); | |
| r = im(:, :, 1); | |
| g = im(:, :, 2); | |
| b = im(:, :, 3); | |
| subplot(221), imshow(im), title('im') | |
| subplot(222), imshow(r), title('R') | |
| subplot(223), imshow(g), title('G') | |
| subplot(224), imshow(b), title('B') | |
| bw = (g > 120); | |
| figure(2); | |
| subplot(221), imshow(im), title('im') | |
| subplot(222), imshow(g), title('G') | |
| subplot(223), imshow(bw), title('BW') | |
| gri = rgb2gray(im); | |
| gri2 = uint8(0.3*double(r) + 0.6*double(g) + 0.1*double(b)); | |
| bw2 = (gri2 > 65); | |
| figure(3), | |
| subplot(221); imshow(gri) | |
| subplot(222); imshow(gri2) | |
| subplot(222); imshow(bw2) |
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