ls/''. Die jeweils passende Datei muss (mit Pfad) bei jeden Aufruf angegeben werden.
So now we have a working set of face-d... n: min size n in pixel to recognize a face
* -nbest n : save the best n results only
* -dir <string> ... e in jpeg instead of jpeg (jpeg ist wrong, should be ppm, but not working)
* -verbose: tell a little... the results of face detection. Line one is the number of detections, then each line has format x y w h
