Identify the face through web cam

Identify the face through web camera

still there are problems to be fixed.....

OpenCV 2.4.9

2014-6-6
OpenCV 2.4.9

Studying the OpenCV head tracking haarcascade_frontalface_alt2.xml file to track head movement (left /right)

some part of the structure of that XML file

<opencv_storage><haarcascade_frontalface_alt2 type_id="opencv-haar-classifier"><size>20 20</size><stages><_><!-- stage 0 --><trees><_><!-- tree 0 --><_><!-- root node --><feature><rects><_>2 7 16 4 -1.</_><_>2 9 16 2 2.</_></rects><tilted>0</tilted></feature><threshold>4.3272329494357109e-003</threshold><left_val>0.0383819006383419</left_val><right_node>1</right_node></_><_><!-- node 1 --><feature><rects><_>8 4 3 14 -1.</_><_>8 11 3 7 2.</_></rects><tilted>0</tilted></feature><threshold>0.0130761601030827</threshold><left_val>0.8965256810188294</left_val><right_val>0.2629314064979553</right_val></_></_><_><!-- tree 1 --><_><!-- root node --><feature><rects><_>13 6 1 6 -1.</_><_>13 9 1 3 2.</_></rects><tilted>0</tilted></feature><threshold>5.2434601821005344e-004</threshold><left_val>0.1021663025021553</left_val><right_node>1</right_node></_><_><!-- node 1 --><feature><rects><_>4 2 12 8 -1.</_><_>8 2 4 8 3.</_></rects><tilted>0</tilted></feature><threshold>4.4573000632226467e-003</threshold><left_val>0.1238401979207993</left_val><right_val>0.6910383105278015</right_val></_></_><_>