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images color

1 次查看（过去 30 天）
Sivakumaran Chandrasekaran
关闭： MATLAB Answer Bot 2021-8-20
how to apply a particular color(e.g., green) in particular area.

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回答（2 个）

Stefan
Stefan 2012-5-10
is the area under a curve or between two curves?
then use: http://www.mathworks.de/help/techdoc/ref/area.html
otherwise, do you have a mask, in which every point which shall be green =1 and ever other =0?
then apply:
rgb=size(mask);
rgb(:,:,1)=0;
rgb(:,:,2)=mask;
rgb(:,:,3)=0;
imhsow(rgb);
if you do not have a mask, you have to create one... hope i could help you
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Sivakumaran Chandrasekaran
Sivakumaran Chandrasekaran 2012-5-10
Hi Image Analyst,
Thanks for writing. now the problem has been solved from the guidance of your reply, which you gave in the link http://www.mathworks.in/matlabcentral/answers/34880-images.
Thank you
Sivakumaran Chandrasekaran
Sivakumaran Chandrasekaran 2012-5-10
Hi Image Analyst,
Thanks for writing. now the problem has been solved from the guidance of your reply, which you gave in the link http://www.mathworks.in/matlabcentral/answers/34880-images.
Thank you
Stefan
Stefan 2012-5-10
look at this example, i think its the easiest way to get a mask
http://www.mathworks.de/help/toolbox/images/ref/graythresh.html
consider if the output values are correct. extraction of concrete pattern can be quite difficult and is an issue in many segmentation research studies...
  1 个评论
Sivakumaran Chandrasekaran
Sivakumaran Chandrasekaran 2012-5-10
Thanks stefan. I found the right code for my project now. thanks for your support.

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