Detection of face portion from a single face image

The code will detect the face portion (covering the eyes & lips) from an image contain single face.

The code will work with the images which don't have much brightness variation on the face.the face must be properly enlighten.
The output of this code is mainly required for feature detection or facial expression recognition purpose.
give the input(name of the image) at the 1st line of the facedetection.m file & run the file.
The face_database folder contain some images on which the code gave favorable output.