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youth0826
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weibo.com/138147022
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2Â¥2012-06-06 23:41:12
kk_2010
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:02
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:02
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http://blog.csdn.net/daxiamit/article/details/6619075 http://hi.baidu.com/%BA%A3%B3%E6 ... 9cc7f1e7cd403e.html |
3Â¥2012-06-07 02:41:42
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4Â¥2012-06-07 08:32:40
H_LG
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:10
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:10
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matlab×Ô´øµÄgraythreshÓõľÍÊÇostu·½·¨£º help graythresh GRAYTHRESH Compute global image threshold using Otsu's method. LEVEL = GRAYTHRESH(I) computes a global threshold (LEVEL) that can be used to convert an intensity image to a binary image with IM2BW. LEVEL is a normalized intensity value that lies in the range [0, 1]. GRAYTHRESH uses Otsu's method, which chooses the threshold to minimize the intraclass variance of the thresholded black and white pixels. Class Support ------------- The input image I can be of class uint8, uint16, or double and it must be nonsparse. LEVEL is a double scalar. Example ------- I = imread('coins.png'); level = graythresh(I); BW = im2bw(I,level); imview(BW) See also im2bw. Reference page in Help browser doc graythresh |

5Â¥2012-06-07 08:43:27
H_LG
Òø³æ (ÕýʽдÊÖ)
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6Â¥2012-06-07 08:44:44
Æ»¹ûºË¶ù
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7Â¥2012-06-07 09:36:48
Á÷Ö®Ô´
Ìú³æ (³õÈëÎÄ̳)
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:26
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zhang8826857: ½ð±Ò+5, ¡ïÓаïÖú 2012-06-11 10:52:26
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ÓÉÓÚͼÏñ±³¾°½Ï´ó£¬ÏÈ×öµ×ñ±ä»»£¬ÔÚÓÃmatlabµÄotsuº¯Êý£» clear;clc; a=imread('*.jpg'); a=rgb2gray(a); b=imbothat(a,strel('disk',10)); t=graythresh(b); c=im2bw(b,t); subplot(3,1,1);imshow(a,[]); subplot(3,1,2);imshow(b,[]); subplot(3,1,3);imshow(c,[]); |
8Â¥2012-06-07 20:59:51
zhang8826857
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
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9Â¥2012-06-11 10:52:41















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