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Overlaying a partially transparent binary over an RGB image?

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Caleb
Caleb 2012-8-6
As the title suggests, I'm trying to overlay a binary mask over an RGB image to verify segmentation. How do I make the binary mask partially transparent so that I can see what's underneath?
Thank you.
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Jan
Jan 2012-8-19
It depends on what you are doing. Please post, what "overlay a binary mask" means as Matlab code.

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采纳的回答

Image Analyst
Image Analyst 2012-8-19
See the example given by the leader of the Image Processing team:
http://blogs.mathworks.com/steve/2009/02/18/image-overlay-using-transparency/

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Walter Roberson
Walter Roberson 2012-8-19
If you are creating an image object, such as by image() or imagesc() or imshow(), then set the AlphaData property of the overlay image.

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