separate_scenes.m

function [ scenes, scene_sizes ] = separate_scenes( input_dir, files )

    num_files = size(files, 1)
    
    diffs = zeros(1,num_files);
    
    X = rgb2gray(im2double(imread([input_dir files(1).name])));
    X = imfilter(X, fspecial('Gaussian', [200 200], 32));
    Y = rgb2gray(im2double(imread([input_dir files(2).name])));
    Y = imfilter(Y, fspecial('Gaussian', [200 200], 32));
    
    x_file = files(1);
    y_file = files(2);

%     border_images = [x_name ' ' y_name];
    
    scenes = x_file;
    
    scene_sizes = [];
    
    cutoff = 1000;
    cur_scene = 1;
    add_loc = 1;
    
    
    scenes(add_loc, cur_scene) = x_file;
    fprintf('Added %s to scene %d location %d\n', x_file.name, cur_scene, add_loc);
    
    for i = 2:(num_files)
        value = ssd(X,Y);
        if value >= cutoff
%             border_images = [border_images; x_name ' ' y_name];
            scene_sizes(cur_scene) = add_loc;
            add_loc = 1;
            cur_scene = cur_scene + 1;
            scenes(add_loc,cur_scene) = y_file;
             fprintf('Added %s to scene %d location %d\n', y_file.name, cur_scene, add_loc);
%             scene_sizes(cur_scene) = add_loc;
%             add_loc = 1;
%             cur_scene = cur_scene + 1;
%             scenes(add_loc,cur_scene) = y_file;

            
        else
            add_loc= add_loc + 1;
            scenes(add_loc,cur_scene) = y_file;  
             fprintf('Added %s to scene %d location %d\n', y_file.name, cur_scene, add_loc);
        end
        diffs(i) = value;
        
        X = Y;
%         x_file = y_file;

        Y = rgb2gray(im2double(imread([input_dir files(i).name])));
        Y = imfilter(Y, fspecial('Gaussian', [200 200], 32));
        y_file = files(i);


%         if (i+1) ~= num_files
%             if mod(i,2) == 1
%                 X = rgb2gray(im2double(imread([input_dir files(i+2).name])));
%                 X = imfilter(X, fspecial('Gaussian', [200 200], 32));
%                 x_file = files(i+2);
%             else
%                 Y = rgb2gray(im2double(imread([input_dir files(i+2).name])));
%                 Y = imfilter(Y, fspecial('Gaussian', [200 200], 32));
%                 y_file = files(i+2);
%             end
%         end
    end
    
    scene_sizes(cur_scene) = add_loc - 1;
    
%     z = 1:num_files;
%     plot(z, diffs)
%     line([0 num_files], [cutoff cutoff]);
    
%     scenes

end