Added main file to run the tests

Author: iuya

main.m

@@ -0,0 +1,58 @@
+% figure 1
+%for i = 1:8
+%    temp = quantize_matrix(lena_gray_512,i);
+%    subplot(2,4,i,'replace')
+%    imshow(temp,[0,2^(i)-1]);
+%end
+
+%figure 2
+%for i = 1:8
+%    temp = quantize_matrix(lena_gray_512,i);
+%    temp2 = dequantize_matrix(temp,i,8);
+%    subplot(2,4,i,'replace')
+%    imshow(temp2);
+%end
+
+%zeros(8,N,M)
+
+%for j = 1:8
+%    output=zeros(256,1);
+%    delta = 2^(8-j);
+%    for i = 0:255
+%        output(i+1,1) = dequantize(quantize(i,j),delta);
+%    end
+%    subplot(2,4,j,'replace')
+%    plot(0:255,output(:,1));
+%    axis([0,255,0,255])
+%end
+
+%for j = 1:8
+%    output=zeros(256,1);
+%    for i = 0:255
+%        output(i+1,1) = quantize(i,j);
+%    end
+%    subplot(2,4,j,'replace')
+%    plot(0:255,output(:,1));
+%    axis([0,255,0,2^(j)])
+%end
+
+%results = zeros(8,1);
+%for i = 1:8
+%    temp = dequantize_matrix(quantize_matrix(lena_gray_512,i),i,8);
+%    D = abs(lena_gray_512-temp).^2;
+%    MSE = sum(D(:))/numel(lena_gray_512);
+%    results(i,1) = MSE;
+%end
+%plot(1:8,results);
+
+
+   
+%function quantization = quantize(pixel, new_bytesize)
+%    dif_levels = 2^(8-new_bytesize);
+%    quantization=floor(double(pixel)/double(dif_levels));
+%end
+
+%function dequantization = dequantize(pixel, delta)
+    % Operation avg*Pixel+avg changed to:
+%    dequantization=  delta*(double(pixel) + 0.5);
+%end