Ref

Original Tutorial - https://fazlurnu.com/2020/06/23/text-extraction-from-a-table-image-using-pytesseract-and-opencv/comment-page-1/?unapproved=29&moderation-hash=13e2deb5e337e0b26c229fa30ff13178#comment-29

About ROI - https://stackoverflow.com/questions/15424852/region-of-interest-opencv-python

Project related Tesseract Myanmar - https://github.com/pndaza/tesseract-myanmar


Error Notes 
imread(...,0) - 0 is flag. That function can cause error to covert gray scale. Read more - https://www.geeksforgeeks.org/python-opencv-cv2-imread-method/


LangData
https://github.com/tesseract-ocr/langdata/blob/master/Myanmar.unicharset
command > wget https://raw.githubusercontent.com/tesseract-ocr/langdata/master/Myanmar.unicharset
command > wget https://raw.githubusercontent.com/tesseract-ocr/langdata/master/Myanmar.xheights

Myanmar Language Related github issue 

1. https://github.com/tesseract-ocr/tesseract/issues/2232
2. https://github.com/tesseract-ocr/tesseract/pull/2244