add show image function
rescale image before detection + eye sunglasses
add eyes detection function
update face Detector
read all image in repertory for testing
change cascade filter
choice b/w dir or file
increase face size
exit if file not found
exit if file not found
add exec class to build test db :detect, crop, grayscale
facedbreader throws exception
algo improvement
catch facedbreader
refactoring main class for testing purpose