% % -----------------------------------------------------
% % Code of custom image datastore reader function
function data = customreader(filename)
onState = warning('off', 'backtrace');
c = onCleanup(@() warning(onState));
data = imread(filename);
data = data(:,1); %:,min(1:3, end)); 
% data =rgb2gray(data);
data = imresize(data, [50 50]);
end
% % -----------------------------------------------------