Possible duplicate:
Fit rotated bitmap to collage image
For a large image (> 1.000 x 1.000). What is a good approach to find a small image (e.g. 50 x 50) in a large one?
A smaller image can be rotated and distinguished in size, but only with a 1: 1 ratio.
This is not related to any programming language - I'm just interested in pattern recognition.
Thank.
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