Merge pull request #1 from rohitgirdhar/master

Bug Fixes and Scripts to run segmentation
to be compilable early version of OpenCV
to be compilable early version of OpenCV
to be compilable early version of OpenCV
Merge pull request #2 from zhangliliang/master

To be compilable with early version of OpenCV
change readme
update readme
- replace the meanfile
- fix the crop procedure in segmentation
Merge pull request #3 from zhangliliang/master

fix some code to improve the performance.