how can extract part of image

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fereshte
fereshte 2014 年 6 月 10 日
コメント済み: fereshte 2014 年 6 月 18 日
hi i want to extract red region from my image.please help me.i attached it

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Image Analyst
Image Analyst 2014 年 6 月 10 日
Do you have the original gray scale image, or just this pseudocolored image? If you unfortunately have only the pseudocolored image, see my color segmentation demos in my File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862
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Image Analyst
Image Analyst 2014 年 6 月 18 日
I don't know what that means. Do you mean like you want to mask the image so that it remains the full size but just zeros out (blackens) the image outside the mask?
fereshte
fereshte 2014 年 6 月 18 日
The part where to use the mask,convert to color image. I had a change in your program and get a binary image. I want white region convert to original colors and black parts remain the same.

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