Ocr recognition is actually text recognition, just like the text extraction function in WeChat pictures, using ocr recognition technology; You need to swipe your ID card to buy a ticket or swipe your identity to take the high-speed train. Ocr recognition technology is also used.

Since the development of ocr technology, its function is not only character recognition, but also ocr recognition of various certificates, passports, passes and certificate forms.

COR refers to optical character recognition.

OCR (Optical Character Recognition) refers to the process that electronic devices (such as scanners or digital cameras) check the characters printed on paper, determine their shapes by detecting light and dark patterns, and then translate the shapes into computer characters through character recognition.

For printed characters, the characters in paper documents are optically converted into black-and-white dot matrix image files, and the characters in the images are converted into text format by recognition software for further editing and processing by word processing software.