Image Processing: Matlab

The following 3x3 matrix h is a spatial or time domain mask that averages the nine neighbors of a pixel at (x, y) including itself 1. >>h-ones(3)/9 h: a. Use the matlab instruction>> H-fft2(h, 512, 512); to compute the 512x512 complex matrix H(u,v) in the frequency domain. b. Use the matlab instruction >> surf; to plot the surface of |H(u,v)| c. Show that your result is a low pass filter. d. Use the matlab instruction>>h1-ifft2(1-H) and find h1(1:3,1:3) which is the left-hand-side top 3x3 matrix of h1 Compare the entries of the two masks h and h1. e. The following 3x3 matrix h is a spatial or time domain mask that averages the nine neighbors of a pixel at (x, y) including itself 1. >>h-ones(3)/9 h: a. Use the matlab instruction>> H-fft2(h, 512, 512); to compute the 512x512 complex matrix H(u,v) in the frequency domain. b. Use the matlab instruction >> surf; to plot the surface of |H(u,v)| c. Show that your result is a low pass filter. d. Use the matlab instruction>>h1-ifft2(1-H) and find h1(1:3,1:3) which is the left-hand-side top 3x3 matrix of h1 Compare the entries of the two masks h and h1. e