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wrfei01
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jgj030106: ½ð±Ò+5, ¡ïÓаïÖú 2017-01-11 08:06:39
jgj030106: ½ð±Ò+5, ¡ïÓаïÖú 2017-01-11 08:06:39
| CodeForgeµÄÕâ¸ö´úÂë»òÐí¿ÉÒÔ½â´ðÄãµÄÎÊÌ⣺http://www.codeforge.cn/article/289338 |
2Â¥2017-01-09 21:37:50
chenfeixue
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jgj030106: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2017-01-11 08:07:17
jgj030106: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2017-01-11 08:07:17
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%%%%%%%%%%%%%%% FCMËã·¨·Ö¸îͼÏñ %%%%%%%%%%%%%% %matlab function clusterResult = FCM(imagePath, C, V, M, iter, epsm) % Ä£ºýC¾ùÖµ(FCM)¾ÛÀàËã·¨·Ö¸îͼÏñ % clusterResult = FCM(imagePath, C, V, M, iter, epsm) % Example: clusterResult = FCM('E:\Image\lena.bmp') % clusterResult = FCM('E:\Image\lena.bmp',3,[0 127 255]) % Input: % imagePath: ͼÏñ·¾¶ % C: Àà±ðÊý£¬È±Ê¡ÖµÎª2 % V: ³õʼ»¯¾ÛÀàÖÐÐÄ,ȱʡֵΪ[0 255] % M: ¼ÓȨָÊý,ȱʡֵΪ2 % iter: µü´ú´ÎÊý,ȱʡֵΪ100 % epsm: µü´úÍ£Ö¹ãÐÖµ,ȱʡֵΪ1.0e-2 % Output: % clusterResult: ¾ÛÀàÖÐÐĽá¹û % Note: % CµÄÖµÒªÓëVµÄ³õʼ»¯¾ÛÀàÖÐÐĸöÊýÏàͬ % É趨ȱʡֵ I= imread('1024.bmp'); if nargin < 6 epsm = 1.0e-2; end if nargin < 5 iter = 100; end if nargin < 4 M = 2; end if nargin < 3 [x,y,z]=impixel(I); V(1)=z(1); V(2)=z(2); V(3)=z(3); end if nargin < 2 C = 3; end % ¶ÁÈëͼÏñ¼°ÆäÐÅÏ¢ figure, imshow(I); title('ÔͼÏñ'); [row col] = size(I); grayHist = imhist(I); % figure, imhist(I); % title('Ö±·½Í¼'); histProb = grayHist / (row * col); len = length(histProb); % tic % FCMµü´ú¹ý³Ì cnt = 0; while(cnt < iter) % ¼ÆËãÁ¥Êô¶Èº¯Êý(×¢ÒâÒªÌØÊ⿼ÂÇij¸öÏñËØµãºÍ¾ÛÀàÖÐÐÄÒ»ÑùµÄÇé¿ö) for i = 1 : len flag = 0; for j = 1 : C if i == V(j) U(j, i) = 1.0; if j == 1 U(j + 1 : C, i) = 0.0; elseif j == 3 U(1 : C - 1, i) = 0.0; elseif j == 2 U(1 : j - 1, i) = 0.0; U(j + 1 : C, i) = 0.0; end flag = 1; break; end end if flag == 0 u = (1.0 ./ ((i - V) .^ 2)) .^ (1.0 / (M - 1)); uSum = sum(u); U(1 : C, i) = u' / uSum; end end % ¼ÆËã¸üи÷Àà¾ÛÀàÖÐÐÄ for j = 1 : C i = linspace(1, len, len); v = sum(histProb' .* i .* (U(j, .^ M));vSum = sum(histProb' .* (U(j, .^ M));if vSum == 0 clusterResult(j) = 0; else clusterResult(j) = v / vSum; end end % ¼ÆËãÎó²î²¢ÅжÏËã·¨µü´úÊÇ·ñÍ£Ö¹ diff = sum((clusterResult - V) .^ 2); if diff <= epsm break; else V = clusterResult; end cnt = cnt + 1; end % toc % ·Ö¸îͼÏñ for i = 1 : row for j = 1 : col temp = (double(I(i, j)) - clusterResult) .^ 2; [fmin pos] = min(temp); I(i, j) = pos * 255 / C; end end figure, imshow(uint8(I)); title('·ÖÀàºóµÄͼÏñ'); imshow(uint8(I),'Colormap',hsv(255)); %disp('µü´ú´ÎÊý£ºiterTimes = '); disp(cnt); % end of FCM.m |
3Â¥2017-01-11 01:03:01
15686007389
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4Â¥2017-01-15 19:10:07













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