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Then check [OCV/OCR] algorithm in the property interface, which is generally used for
characters. Check it and click [OCV/OCR] to enter the setting interface, as shown in the
following figure:
By debugging [Area Threshold], [Segmentation Threshold], [Filtering Threshold], [Corrosion]
and [Filling], the characters can be clearly adjusted to the best. If it is black and white, check