我可能从谷歌开始 - 它带我去***： http://en.wikipedia.org/wiki/Comparison_of_optical_character_recognition_software [ ^ ]



查看那里，然后开始查看相应的许可证应用。然后，关注网站，开始查看使用您喜欢的编程语言的API（如果您打算将其集成到您的应用程序中）。



大多数人会提供免费演示，如果整个包装不是免费的，那么你可以找到一个适合你的。

I'd probably start with Google - which took me to Wikipedia: http://en.wikipedia.org/wiki/Comparison_of_optical_character_recognition_software[^]

Look through there, and start looking at appropriate licences for your application. Then, follow to the website, and start looking at APIs which work with your prefered programming language (if you are planning to integrate this into your app).

Most will provide a free demo, if the whole package isn't free, allowing you to find one that suits you.