How OCR Software Works?
There are various elements working together to perform optical character recognition, including pattern identification, artificial intelligence and machine vision.
Two Main OCR Systems
Matrix Matching (also known as Pattern Matching): it identifies the image-based files as the equivalent plain text character when an image (a stored collection of bitmapped patterns or outlines of characters) corresponds to one of these selected bitmaps within a certain degree of likeness. It is simpler and more common to apply.
Feature Extraction: (also known as Intelligent character recognition /ICR): it searches for common elements, like open spaces, closed forms, lines-diagonals intersecting, etc. instead of depending on precise matching to set templates.
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