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Matlab Program to Process Digital Image Assignment Solution.


Instructions

Objective
Write a matlab program to process digital image in matlab.

Requirements and Specifications

program to process digital image in matlab

Source Code

function imAve(fname, M)

    %% First, read the image

    A = imread(fname);

    %% Convert image to double

    A = im2double(A);

    %% Now, create a 3D matrix to store the matrices

    A_noise = zeros(M, size(A,1), size(A,2), 3);

    %% Now, create M noisy images

    for m = 1:M

        %% Create Noisy Image

        A1 = imnoise(A, 'gaussian');

        %% Store this noisy image in the 3D matrix

        A_noise(m, :, :, :) = A1;

    end

    %% Now,average all noisy images

    Aavg = squeeze(sum(A_noise(:, :, :, :), 1))/M;

    %% Finally, select randomly one of the noisy images and plot it along with the avg image

    idx = randi(M);

    %% Plot

    figure

    subplot(1,3,1)

    imshow(A)

    title(sprintf('Original Image (M = %d)', M))

    subplot(1,3,2)

    imshow(squeeze(A_noise(idx, :, :, :)));

    title(sprintf('Noisy (M = %d)', M))

    subplot(1,3,3)

    imshow(Aavg)

    title(sprintf('Average Image (M = %d)', M))

end