摘要： 在颅骨面貌复原中为了真实反映面部软组织的厚度信息，需要沿法线方向进行三维深度测量。采用对坐标轴进行旋转的方法，将沿法线方向的三维深度测量中复杂的三维计算简化为二维计算，降低了实现该测量的复杂度，使问题变得简单直观。此方法也适用于其它研究领域中沿法线方向的深度测量。

关键词: 三维拾取, 三维测量, 法向量

Abstract: To get exact thickness information of facial parenchyma in facial reconstruction system, 3D depth measurement following normal direction must be used. In this article coordinates transformation is used to simplify the complex 3D calculations to 2D calculations. This method reduces complexity of the measurement, so the problem becomes easy and intuitionistic. This depth measurement method can also be used in many other fields.

中图分类号: 

• TP391.41