Projection Image size的意思|示意

The size of the image can be adjusted simply by modifying the distance between the projector and the projection surface; the resulting image remains uniformly clear.

通过改变投影仪和投影片表面的距离，图像大小也能做简单的调整，调整后的画面仍然保持清晰。

Therefore, the size of the equilateral polygon can be uniquely extracted by its front-projection image and the photogrammetric calibration can be done accordingly.

据此，可以由正多边形物体的正投影像提取原像的尺寸，实现物像关系的标定。

Plate projection system: a plat exposure system which works by projecting the image from microfilm or compact roll film rather than by the same-size one-to-one contact printing of films.

投影制版系统：用微摄菲林或小型卷筒菲林内的影像投射于印版上的晒版系统，有别于用原大菲林和接触晒印的方法。