MATLAB: Overlaying a partially transparent binary over an RGB image

Question

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.

Answer 1

See the example given by the leader of the Image Processing team:

http://blogs.mathworks.com/steve/2009/02/18/image-overlay-using-transparency/