For example, if one person can see two images of the object at the same angle; the only difference here is the distance from the person to the images. In this case, are these two images regarded as one or as two separate images?

• collinear images are counted separately (232) frkstyc 2007-06-03 14:02:44
  • what about two images at the same point? Are they counted as the same image or not? (0) ef 2007-06-03 15:27:50
    • they are also counted separately (0) frkstyc 2007-06-03 15:28:58