The principle is with CMOS or CCD in the taking pictures of digit camera,to take a lot of images to the same scen,then a image of choosing at random is saved.

• 数位照相机的照相原理是以其CMOS或是CCD感光元件，对同一场景拍摄许多张影像，然后再随机的选取一张影像储存下来。