Can I superimpose an image on a video in Matlab GUI?

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Gene
Gene le 30 Août 2012
Hi guys,
I've set up a live camera preview displayed in the GUI axis and I want to superimpose a semi-transparent image on top of the live video axis by clicking a button. Is that possible?

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Alex
Alex le 30 Août 2012
Yes, you can. Check this out:
http://blogs.mathworks.com/steve/2009/02/18/image-overlay-using-transparency/
I did exactly what you are asking following Steve site and works like charm.
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Gene
Gene le 30 Août 2012
Alex, I found that Steve's blog too but when I tried to set the Alpha value and display it on top of the video, it only showed up for a second then the image disappear. Any idea?

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