参考:http://blog.csdn.net/l_xyy/article/details/71516071
https://github.com/aleju/imgaug
http://blog.csdn.net/l_xyy/article/details/71646308
参考:http://blog.csdn.net/l_xyy/article/details/71516071
https://github.com/aleju/imgaug
http://blog.csdn.net/l_xyy/article/details/71646308