張貼日期：May 24, 2011 2:33:31 AM
利用攝影機偵測手勢
http://mag.udn.com/mag/digital/storypage.jsp?f_ART_ID=320419
http://www.youtube.com/watch?feature=player_embedded&v=aCARtauIS50
http://www.youtube.com/watch?v=718RDJeISNA&feature=player_embedded
