Question 5% Let Pi be points on a 3D object that are projected onto an image plane using a projection transformation M. Mark all the statements that are correct. A The fundamental relationship between world matrix. and image points is derived using triangle sim- The 3DH points P1=(1,2,3,1) and P2= ilarity. (2,4,6,1) are equivalent in 3D. B In the projection matrix expression M= The 3DH point P=(1,2,3,0) does not correK[I]0] the 0 indicates a 33 matrix of zeros. spond to an actual point in 3D. C. The projection of a 3D point P is non-linear be- The projection of a 3D object gets bigger when cause it is not possible to express the coordi- increasing the focal length of the camera. nates of the projected point as a weighted sum using the projection matrix M= of the coordinates of P. K[I0] to project a point with K composed of D] The projection of a 3D object gets bigger when f,ku,kv,u0,v0, the result of the projection is increasing its distance from the camera. given in the same coordinate system using the E The 3D camera projection matrix M is a 34 same units