function[hsv_image]= segmentation(rgb)
h_range = [0 0.11]; 
s_range = [0.2 .7]; 


 hsv_image=rgb;
aa=size(hsv_image);
for i=1:aa(1,1) %hieght
    for j=1:aa(1,2)%width
       s=hsv_image(i,j,2);
       h=hsv_image(i,j,1);
       if((s>s_range(1)) & (s<s_range(2)) &(h>h_range(1)) & (h<h_range(2)))
%           hsv_image(i,j,1)=1;
%           hsv_image(i,j,2)=1;
%           hsv_image(i,j,3)=1;
       else
            hsv_image(i,j,1)=0;
            hsv_image(i,j,2)=0;
            hsv_image(i,j,3)=0;
       end
    end
end
hsv_image=hsv2rgb(hsv_image);
return