Hints:
< build system >
- make sure you have cmake and opencv correctly installed
- cd build
- cmake ..
< add new subject >
- create new folder in /data
- add at least 10 images: grayscale + 100x100 resolution
- ./facerec.sh - update (updates CVS file with the new subject)
< execute application >
- cd util
- ./facerec.sh -build -run