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OCR Type A230
Smart Matching
9.1
Smart Matching
Threshold value = 96
(Deviation × difference)
Subtraction calculations
Binarization
OK
(Deviation × difference)
threshold value
128
128
NG
96
(Deviation × difference) > threshold value
NG
Deviation differentiation result
Search image
Final result
Subtraction result
9 − 13
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