It's about haartraining which is achieved by opencv
File list:
cvHaarTraining
.............\include
.............\.......\cvhaartraining.h
.............\src
.............\...\createsamples.cpp
.............\...\cvboost.cpp
.............\...\cvclassifier.h
.............\...\cvcommon.cpp
.............\...\cvhaarclassifier.cpp
.............\...\cvhaartraining.cpp
.............\...\cvsamples.cpp
.............\...\haartraining.cpp
.............\...\Makefile.am
.............\...\Makefile.in
.............\...\performance.cpp
.............\...\_cvcommon.h
.............\...\_cvhaartraining.h
.............\HaarTraining.dsp
.............\HaarTraining.dsw
.............\HaarTraining.opt
.............\HaarTraining.plg
.............\Training.bat