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26th February 2012, 20:46 | #11 | Link | |
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Join Date: Dec 2006
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Quote:
Basically I look for an exact match of the pixels between the characters in the database and the test character on the screen. If it's a bluray sup file I also shrink both the database and the test character by a factor of 3 in the x and y dimensions to try to find an approximate match. This results in 9 smaller patterns for each match and 9 for each test character (the shrinking can be done done 9 different ways with different starting positions) for a total of 81 chances at a match. But there's nothing more complicated than that going on - I don't in any way understand the shape of the characters. |
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