add images by jgd
Merge branch 'master' of https://github.com/sc703bupt/JSSWW-BUPT-For-Amazon-Hackathon
change the head file to use the opencvlib.h and add these file to project
Merge https://github.com/sc703bupt/JSSWW-BUPT-For-Amazon-Hackathon
fix roc bug. add use case
fix conflict