中文摘要：

颅像重合是身份认证的一项重要手段。针对颅像重合中的姿态问题，提出了采用投影和几何学知识对绕X轴、Y轴和Z轴的角度进行计算。试验证明，所提出的方法计算简单，误差小。

英文摘要：

Superimposition is an important way to identify persons. A method is presented to solve the problem of pose in superimposition, Projection and geometry are used here to compute the angles of X,Y and Z. Experimental results show that the proposed method performs well.