Create README.md
Merge pull request #4 from jiangzp/qzperfidy

kk
Seem to fix an bug in annotation.
add isight params.
Fix the stuck bug of pupil tracking algorithm.
Add camera calibration function. ( not integrated. )
Add listfilewithextension
use listFilesWithExtension in all code range.
Major update: add chessboard camera calibration functionality.
add calibration_chessboard.pdf
Merge pull request #7 from jiangzp/DuLi

Merge pull request #2 from jiangzp/master
Merge pull request #9 from jiangzp/master

Update