how to mask on roi area

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asthana
asthana on 19 Feb 2014
Commented: asthana on 19 Feb 2014
hello sir/madam i want to mask some portion of image and that portion will decide by user not me. so how to mask the portion and how to get the detail about that mask portion like area.

Accepted Answer

Image Analyst
Image Analyst on 19 Feb 2014
  1 Comment
asthana
asthana on 19 Feb 2014
thank you very much

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More Answers (1)

Dishant Arora
Dishant Arora on 19 Feb 2014
you can ask user to interactively specify ROI:
I = imread('fullfilename');
imshow(I)
h = imfreehand(gca);
wait(h) % waits for user to specify region of interest
bw = createMask(h) % Binary mask with 1's inside ROI
  1 Comment
asthana
asthana on 19 Feb 2014
thank you mr.dishant arora

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