In my application I want to capture an image and compare it with a stored image to know if they are similar.
What API/technology/third party application can I use to make this happen?
In my application I want to capture an image and compare it with a
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You can use the OpenCV library:
http://sourceforge.net/projects/opencvlibrary/
Take a look at this answer for ideas how to solve your problem:
Simple and fast method to compare images for similarity