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4.47 Consider the images shown. The image on the right was obtained by: (a) multiplying the image on the left by (-1) (b) computing the
4.47 Consider the images shown. The image on the right was obtained by: (a) multiplying the image on the left by (-1) (b) computing the DFT; (c) taking the complex conjugate of the transform; (d) computing the inverse DFT, and (e) multiplying the real part of the result by(-1). Explain (mathematically) why the image on the right appears as it does
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