Question: 2.18 Consider the 3 * 3 FIR filter a. What is the DC gain of this filter (H(0, 0))? b. What is the high-frequency gain
2.18 Consider the 3 * 3 FIR filter

a. What is the DC gain of this filter (H(0, 0))?
b. What is the high-frequency gain H(p, p)?
c. Is this a zero-phase filter?
d. Is it separable?
e. Find the output image g(n,m).
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h(n,m)= 8 769 -2-4 12 6 -2-4-2
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