Question: b. Below are shown a convolution mask, H and an image I. H=010111101I=011120201101 What is the result of the convolution of mask H with image

b. Below are shown a convolution mask, H and an image I. H=010111101I=011120201101 What is the result of the convolution of mask H with image I ? The result should be an image that is the same size as I. [4 marks] c. In order to locate green regions of the image it has been decided to model the response properties of a green on/red off (G+/R) colouropponent retinal ganglion cell. A simple difference of Gaussians model is to be used. Write a MATLAB function R= GonRoff(I) that will calculate the response of a G+/R - cell at all locations in the image I. Assume I is a colour image in RGB format and that you can call a function g= gaussian ( sigma,d) that returns a d-by-d pixel Gaussian filter with standard deviation sigma. Use a Gaussian with standard deviation 2 for the centre, and a Gaussian with standard deviation 3 for the surround. [5 marks]

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