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wujixian
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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
sacooler(½ð±Ò+5):ллÄúµÄ°ïÖú£¬ÎÒÊÔÊÔ¿´¡£Ï£ÍûÓлú»á¾ßÌåÏòÄãÌÖ½Ì 2010-03-12 14:35
adu886886(½ð±Ò+2):лл½»Á÷£¬»¶Ó³£À´·ÂտģÄâ°å¿é 2010-03-16 18:57
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
sacooler(½ð±Ò+5):ллÄúµÄ°ïÖú£¬ÎÒÊÔÊÔ¿´¡£Ï£ÍûÓлú»á¾ßÌåÏòÄãÌÖ½Ì 2010-03-12 14:35
adu886886(½ð±Ò+2):лл½»Á÷£¬»¶Ó³£À´·ÂտģÄâ°å¿é 2010-03-16 18:57
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clear all; load wbarb; I = ind2gray(X,map);imshow(I); I1 = imadjust(I,stretchlim(I),[0,1]);figure;imshow(I1); [N,M] = size(I); h = [0.125,0.375,0.375,0.125]; g = [0.5,-0.5]; delta = [1,0,0]; J = 3; a(1:N,1:M,1,1:J+1) = 0; dx(1:N,1:M,1,1:J+1) = 0; dy(1:N,1:M,1,1:J+1) = 0; d(1:N,1:M,1,1:J+1) = 0; a(:,:,1,1) = conv2(h,h,I,'same'); dx(:,:,1,1) = conv2(delta,g,I,'same'); dy(:,:,1,1) = conv2(g,delta,I,'same'); x = dx(:,:,1,1); y = dy(:,:,1,1); d(:,:,1,1) = sqrt(x.^2+y.^2); I1 = imadjust(d(:,:,1,1),stretchlim(d(:,:,1,1)),[0 1]);figure;imshow(I1); lh = length(h); lg = length(g); for j = 1:J+1 lhj = 2^j*(lh-1)+1; lgj = 2^j*(lg-1)+1; hj(1:lhj)=0; gj(1:lgj)=0; for n = 1:lh hj(2^j*(n-1)+1)=h(n); end for n = 1:lg gj(2^j*(n-1)+1)=g(n); end a(:,:,1,j+1) = conv2(hj,hj,a(:,:,1,j),'same'); dx(:,:,1,j+1) = conv2(delta,gj,a(:,:,1,j),'same'); dy(:,:,1,j+1) = conv2(gj,delta,a(:,:,1,j),'same'); x = dx(:,:,1,j+1); y = dy(:,:,1,j+1); dj(:,:,1,j+1) = sqrt(x.^2+y.^2); I1 = imadjust(dj(:,:,1,j+1),stretchlim(dj(:,:,1,j+1)),[0 1]);figure;imshow(I1); End |
2Â¥2010-03-11 17:05:56
wujixian
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
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sacooler(½ð±Ò+5): 2010-03-12 14:39
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f=imread('0255.jpg'); >> g=edge(f,'Sobel'); >> figure,imshow(g) %ÉÏÃæÊÇ×Ô¶¯ãÐÖµµÄ£¬Èç¹ûÒªÈ¡ÌØ¶¨ãÐÖµ£¬¿ÉÒÔÕâÑù£ºg=edge(f,'Sobel'£¬0.075);Ê£Ïµļ¸¸öËã·¨ÊǰÑSobel¸ÄΪprewitt,roberts,rob,log,Marr,Canny¡£¡°Marr¡±Ë㷨̫ÀÏÁË£¬matlab»á×Ô¶¯Óá°laplace¡±´úÌæ£¬º¹... %¼ÓÈëÔëÉùµÄÓï¾ä£º f1 = imnoise(f,'salt & pepper', 0.02); figure,imshow(f1); %ÕâÊǼӽ·ÑÎÔëÉù¡°salt & pepper¡±µÄ£¬Å¨¶ÈΪ0.02 |
3Â¥2010-03-11 17:08:21
sunpixy
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4Â¥2010-03-16 15:44:53
nono2009:»¹Ã»Óнâ¾öÎÊÌâÂð£¿Èç¹ûÕâÑù£¬½¨Ò黨¸´ÒýÓÃwujixianµÄ»ØÌû¼ÌÐø½»Á÷¡£ 2010-03-19 11:19
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5Â¥2010-03-19 08:56:02
6Â¥2010-03-20 08:46:38
kingkanglee
гæ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 327.8
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- ÔÚÏß: 23.3Сʱ
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- ×¢²á: 2010-02-11
- רҵ: ·ÂÉú²ÄÁÏ

7Â¥2010-03-30 20:41:11














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