Matlab function for creating Hopfield network from an image containing the alphabet

CreateNetwork.m

function [input network] = CreateNetwork( path, width, height )
%CREATENETWORK Summary of this function goes here
%   Detailed explanation goes here
    img = imread(path);
    img = 1-im2double(img(:,:,1));
    img = img == 1;

    colormap(gray);
    img = 1-img;
    imagesc(img);

    tileW = size(img, 2) / width;
    tileH = size(img, 1) / height;

    cols = (im2col(img, [round(tileH) round(tileW)],'distinct'));

    input = unique(cols', 'rows', 'stable')';
    T = input * 2 - 1;

    network = newhop(T);

end