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Image Formation (20 points) Please name the possible shapes produced in an image under perspective of (1) a scene con- taining one sphere; (2) a scene containing one disk? You may assume the sphere and disk have a non-zero radius, and the disk is very thin? (5 points/ each) Suppose you have a camera (unit aspect ratio, optical center at (0,0), no skew) that takes a picture here on earth. Now suppose we have a new world where everything is twice as large, including distances between objects. Assuming perspective projection, compare the two images. (10 points) Image Formation (20 points) Please name the possible shapes produced in an image under perspective of (1) a scene con- taining one sphere; (2) a scene containing one disk? You may assume the sphere and disk have a non-zero radius, and the disk is very thin? (5 points/ each) Suppose you have a camera (unit aspect ratio, optical center at (0,0), no skew) that takes a picture here on earth. Now suppose we have a new world where everything is twice as large, including distances between objects. Assuming perspective projection, compare the two images. (10 points)