OCR

Optical Character Recognition

repo:https://github.com/tesseract-ocr/tesseract

online example: http://ocr.net/

js ver:https://github.com/naptha/tesseract.js

ABBYY Finereader 中文官网：http://www.abbyychina.com 业绩历史领先

Google vision: https://cloud.google.com/vision/docs/oc

百度开放平台文字识别:http://ai.baidu.com/tech/ocr

腾讯优图OCR:https://ai.qq.com/product/ocr.shtml#identify