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template matching
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Each template T compared to U (unknown image) and
U' (subsampled unknown) |
Compare:
- aspect ratios T : U
- red (empty) pixels in T with white pixels in U'
- blue (center) pixels in T with corresponding black pixels in U'
- green pixels in T with corresponding black and white pixels in U
- grey pixels in T with corresponding pixels in U
Select best matching three templates.
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