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Unformatted text preview: Winter Quarter, 2009 Page 3 of 5 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 A B c d C D Φ = →Γ = Find the 2D unitary DFT of the matrix Ψ below in terms of the elements of Γ . a b a b c d c d a b a b c d c d Ψ = EE114 Introduction to Speech and Image Processing Winter Quarter, 2009 Page 4 of 5 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 1 V =...
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 Spring '11
 VanSchaar

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