If I pass a binary (black-white) image into tesseract-ocr, will tesseract 
process the image on its own way?


 It seems tesseract ocr uses Otsu global thresholding method (not looking 
into the code carefull yet, but saw the key word “otsu” in the source code)

If so, the Otsu method will not change the binary (black-white) image.


 So in my understanding, tesseract-ocr will not change the input binary 
image.

Just ask to make sure...


 Thanks.

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