3b) Consider a variation of the above where the right camera is rotated by 90 degrees to point back at the left camera, as shown in the following diagram representing a top-down view of the cameras (we are looking along the Y-axis of the two cameras, which points into the page). Assume the baseline distance is still 12 cm. Compute the values of the 3x3 essential matrix E for this stereo system. Fill in all the blanks even if they are 0; empty blanks get graded as incorrect. ZA 12cm