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Can any one help me to correct this code??

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Pamela Paolo
Pamela Paolo 2012-10-15
关闭： MATLAB Answer Bot 2021-8-20
Hi, to find regions having the higher MeanIntesity compared to the MeanIntesity of its edge, I used this line but I got an error. thank you for helping me to find the right solution.
imggris1 http://www.imagup.com/data/1164967873.html
imggris2 http://www.imagup.com/data/1164968804.html
image=imhmin(I,4,8);
edg = edge(image,'log',0);
m1 = bwmorph(edg,'spur');
m2 = bwmorph(m1,'hbreak');
I2=imfill(m2,'holes');
holes = I2 & ~m2;
imagebin1 = bwlabel(holes,8);
imggris1=I;
imggris1 (imagebin1 ==0)=255;
imagebin2 = edge(imggris1,'log',0);
imggris2=I;
imggris2(imagebin2==0)=255;
ad = regionprops(imagebin1, imggris1, 'MeanIntensity');
det = regionprops(imagebin2, imggris2, 'MeanIntensity');
feim = find([ad.MeanIntensity]>[det.MeanIntensity]);
The error:
??? Error using ==> gt
Matrix dimensions must agree.
Error in ==> detect_fea at 41
feim = find([ad.MeanIntensity]>[det.MeanIntensity]);

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回答（3 个）

Matt J
Matt J 2012-10-15
编辑：Matt J 2012-10-15
[ad.MeanIntensity] and [det.MeanIntensity] at line 41 of detect_fea are not the same size. The operation [ad.MeanIntensity]>[det.MeanIntensity] requires that they both be the same size or one of them be a scalar.
Use the DSTOP command or breakpoints to pause your code at line 41 to examine what happened. Apparently, though, regionprops did not find the same number of regions in both ad and det.
Image Analyst
Image Analyst 2012-10-15
For some reason you don't have as many blobs in ad as you do in det.
Pamela Paolo
Pamela Paolo 2012-10-15
编辑：Pamela Paolo 2012-10-15
Hi regionprops didn't find the same number of regions in both ad and det
I tried to do this
m=numel(ad)
p=numel(det)
the result is:
m =
247
p =
228
But how can i solve this problem please because i think that it is caused by regions in the red recatangles marqued in this image http://www.imagup.com/data/1164970539.html
  2 个评论
Pamela Paolo
Pamela Paolo 2012-10-15
编辑：Pamela Paolo 2012-10-15
How can i correct my code to avoid this mismatch of the number of regions??
Image Analyst
Image Analyst 2012-10-15
I wouldn't even do it like that. I'd use bwperim as a mask to get the outer layer of your blobs. I think with bwperim you should have the same number of blobs.

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