As we just saw, perspective projection takes all points on the same line from the camera and through the projection plane to the same point on the projection plane. Recall that homogeneous coordinates have a similar many-to-one relationship to points in the corresponding non-homogeneous space.
As we just saw, perspective projection takes all points on the same line from the camera and through the projection plane to the same point on the projection plane. Recall that homogeneous coordinates have a similar many-to-one relationship to points in the corresponding non-homogeneous space.