The projective grid, whose sampler takes the view rule of human eyes into account, is designed to use the grid in projective-space to take the place of the traditional grid in world-space.

投影网格的目的是用存在于投影空间的网格代替传统的存在于世界空间的规则矩形网格或梯形网格，使网格采样过程符合人眼视线规律的自然属性。

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Using projective and perspective transformations, the mathematical model of 3d vision inspection for grid structured light is established in homogeneous coordinate system in this paper.

本文在广义坐标系中采用投影和透视变换理论建立了网条结构光三维视觉检测模型。

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