Give correct answer with explaination. Dont provide AI generated answer.

11. Which of the following statement(s) regarding the stereo vision is(are) correct? (a) Taking a picture at the moon using a rectified binocular camera, the locations of the moon at the left image and right image are similar. (b) In stereo matching, a large baseline results in large depth error. (c) After image rectification, we only need to search corresponding points at horizontal lines for stereo matching. (d) Using a binocular camera, camera intrinsic parameters are not necessary to estimate depth. (e) None of the above is correct. 12. Which of the following filters can smooth an image? (a) Median filter (b) Mean filter (c) Gaussian filter (d) Laplacian of Gaussian (e) Gradient operator