Re:Amazon Textract – Extract text and data from virtually an...
by njstraub608 on Wednesday November 28, 2018 @10:06PM
(#18557708)
This ^^
And actually understanding the context of what you're trying to use OCR on can work backward to determine what the text actually is, i.e. if it's a "Name" field then the probabilities of ambiguous letters may change (in the case of handwriting rec).
For normal text OCR works well. But automatically understanding what is what is more complex.