gistfile1.matlab

function sums = getsums1d(name,boxsize,noise)

	if( noise == 1 )
	    folder = strcat("/cygdrive/c/dev/af_paper/images/",name,"/noise/");
	else
	    folder = strcat("/cygdrive/c/dev/af_paper/images/",name,"/resized/");
	endif;
	files = dir(folder);

  %sums = zeros(length(files));

	for j = 3:length(files)

	    filename = strcat(folder,files(j).name);
	    img = imread(filename);
	    width = imfinfo(filename).Width;
	    height = imfinfo(filename).Height;

	    xstart = floor((width/2)-(boxsize/2));
	    ystart = floor((height/2)-(boxsize/2));

	    total = 0;
	    for y = ystart:(ystart+boxsize)
		    for x = xstart:(xstart+boxsize)
		        val1 = (double(img(x,y,1)) * .33) + (double(img(x,y,1)) * .33) + (double(img(x,y,1)) * .33);
		        val2 = (double(img(x-1,y,1)) * .33) + (double(img(x-1,y,1)) * .33) + (double(img(x-1,y,1)) * .33);
		  
		        diff = abs(val1-val2);
		        total = total + diff;
				
		    end
	    end

        sums(j-2) = total;

        %printf('%i/%i = %f\n',j-2,length(files)-2,total);
		printf(".");

	end
	
	printf("\n");