. (Difficulty: ★★*) Consider the 2D signal I of size 16 × 16: I Շ Ա. 15 10 5 ob 0 5 n 1 10 15 Full (blue) circles correspond to points where the signal has the value 1, otherwise its value is 0. From the 2D signals I₁, . . . , I6 given below, check those that have the same magnitude 2D-DFT spectrum as the 2D signal I.
7222 n2 15 10 15 10 I 1 0 5 5 I₁ n 1 I A n 1 10 10 Select all the answers that apply. 15 15 722 722 15 10 15 10 0 0 5 5 12 n1 I5 n 1 10 10 15 15 n2 722 15 10 15 10 5 0 5 0 5 I 3 n 1 I6 n1 10 15 10 15
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