安装Tesseract
http://blog.csdn.net/hiredme/article/details/50894814
http://blog.csdn.net/yoara/article/details/42392659
http://blog.csdn.net/StruggleRookie/article/details/71606540?locationNum=15&fps=1 http://blog.csdn.net/diandianxiyu_geek/article/details/50522582 http://blog.csdn.net/zhuxu820_/article/details/45269239
Tesseract已开源:https://github.com/tesseract-ocr
http://blog.csdn.net/yimingsilence/article/details/51353772