The Build lens node can be used to construct a lens model from multiple images of a calibration grid, such as a checker-board pattern, taken at different camera focal lengths.
构建透镜节点可以用来构造一个透镜模型从多个图像的校准网格，如棋盘式格局，取不同的相机焦距。
Firstly, a piecewise bilinear model and five 5-ary color coding images are used to construct the homography between the image planes of a projector and a camera.
首先，一个分段的双线性模型和5个5元的颜色编码的图像被用于构造的投影仪和一台摄像机的图像平面之间的单应性。
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