show_mnist_data.m

clear ;
clc;
close all;

image_file_name = 't10k-images-idx3-ubyte';
index_file_name = 't10k-labels-idx1-ubyte';

fid1 = fopen(image_file_name,'rb');
fid2 = fopen(index_file_name,'rb');

images_data = fread(fid1, 'uint8');
index_data = fread(fid2, 'uint8');

fclose(fid1);
fclose(fid2);

images_data = images_data(17:end);
index_data = index_data(9:end);
image_buffer = zeros(28,28);

for k=1:100:length(images_data)/28/28
	figure(100);
	for t=1:100
		image_buffer = reshape(images_data((k+t-2)*28*28+1:(k+t-1)*28*28),28,28);
		subplot(10,10,t);
		imshow(uint8(image_buffer)');
		title(num2str(index_data(k+t-1)));
	end
	pause;
end