中文说明：手部几何识别技术在门禁、考勤等领域有着广泛的应用。个人将手放在阅读器上，并根据手上若干关键点的位置验证其身份；
English Description：
Hand geometry recognition technology is in broad use for access control as well as time and attendance applications. An individual places their hand on a reader, and their identity is verified based upon the location of a number of key points on their hand. Traditional hand geometry system always uses pegs to fix the placement of the hand. Two main w