I go through the source code and find tesseract do Otsu Thresholding and put the binary pix in the Thresholder object. But It seems the Thresholder object haven't been invoked if I use lstm engines. As well as dpi size,tesseract wiki said it is better for 300 dpi. This is a requirement for tesseract 3.0 engine or even before, right? If I training lstm tesseract, it doesnot matter whether I do binary or resize the image, right?
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