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Unformatted text preview: 3. 2D Unitary DFT (20 points) Let the 2D unitary DFT of the 2D matrix Φ be Γ as indicated below. As is customary, the origin is the upper left element. 2 D DFT a b c d A B C D e f g h E F G H i j k l I J K L m n o p M N O P Φ = →Γ = Find the 2D unitary DFT of the matrix Ψ below in terms of the elements of Γ . k l i j o p m n c d a b g h e f Ψ = 4. 2D Unitary DCT (20 points) Find the unitary 2D inverse DCT of the following 8×8 matrix. As is customary, the (0,0) element is located in the upper left. 1 V =...
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 Spring '11
 VanSchaar
 Derivative, Computer Graphics, Inverse function, 2D unitary DFT

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