How to make a grayscale image semi transparent?

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Shayan
Shayan 2011-7-14
I have two grayscale images in which one of them is registered to the other.
How can I make the mapping image semitransparent and overlay it on the registered image?
Note both pictures are gray scale.
Thanks, Shayan

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采纳的回答

Walter Roberson
Walter Roberson 2011-7-14
Both image() and imagesc() construct objects of class "image"; "image" objects have an AlphaData property. You can either set() that property after the return from image() or imagesc(), or you can pass a name/value pair for AlphaData as part of the image() or imagesc() call
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Shayan
Shayan 2011-7-14
I tried;
figure, imshow(IB_trans2,'XData', xdata, 'YData', ydata)
hold on
%%
h = imshow(IA);
set(h, 'AlphaData', 0.6)
and it works!
Thanks Walter

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nishant
nishant 2012-6-20
thanks a lol. it works and its musch simpler than what I was trying to do.

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