Now create a simple checker pattern and apply to the header.

现在创建一个简单的棋盘格图案，适用于头部区域。

youdao

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。

youdao