Update quantization.m

Author: yolanda93

Quantization/quantization.m

@@ -7,9 +7,14 @@
 
 for i =  1:size(input_image,1)
    for j = 1:size(input_image,2)
-         out_image(i,j) = (((round(input_image(i,j))/cluster_size)-cluster_size)/2);
+     aux=0;
+       while(aux<input_image(i,j))
+         aux = aux + cluster_size;
+       end
+         out_image(i,j)=aux-cluster_size/2;
    end
 end
 
 out_image = uint8(out_image);
 end
+