Currently, most research group focus on how to calibrate the multi-projector display precisely on planar screen or simplecylinder screen.
目前大多数的相关研究工作主要关注于如何在平面或简单曲面进行多投影的几何校正与颜色校正。
2
As indicated in the section on simple machines, a screw ACTS with a wedging action and consists of a circular cylinder (or truncated cone) with a helical groove in it.