What is ocr for? What is the general situation will be used ocr?

OCR technology is actually a recognition technology, such as the picture of the text through the recognition of the way the face of the conversion into TXT documents or word format, but also can be converted into audio text of a technology. Specifically, it contains what voice recognition, screenshot recognition, bank card recognition, ticket recognition, business license recognition, driver's license recognition and so on these functions. If you still do not understand a little bit, you can actually go to the operation of some OCR text recognition software functions.