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介绍了结构光三维视觉原理，在广义坐标系中采用投影和透视变换理论建立了结构光三维视觉模型。在此基础上，提出了基于非线性最小二乘法的模型参数标定方法，并建立了结构光三维视觉系统，给出了实验结果。
The three-dimensional visual principle of structured light is introduced. The three-dimensional visual model of structured light is established by using projection and perspective transformation theory in generalized coordinate system. On this basis, a method of model parameter calibration based on nonlinear least square method is proposed, and a structured light three-dimensional visual system is established, and the experimental results are given.