fil.zip_zip

%This code is used to extract the bitplanes in the image a=imread('penguin.jpg'); [m n]=size(a); %To extract 7th bit plane for i=1:m, for j=1:n, b7(i,j)=bitand(a(i,j),128); end end %To extract 6th bit plane for i=1:m, for j=1:n, b6(i,j)=bitand(a(i,j),64); end end %To extract 5th bit plane for i=1:m, for j=1:n, b5(i,j)=bitand(a(i,j),32); end end %To extract 4th bit plane for i=1:m, for j=1:n, b4(i,j)=bitand(a(i,j),16); end end %To extract 3rd bit plane for i=1:m, for j=1:n, b3(i,j)=bitand(a(i,j),8); end end %To extract 2nd bit plane for i=1:m, for j=1:n, b2(i,j)=bitand(a(i,j),4); end end %To extract 1st bit plane for i=1:m, for j=1:n, b1(i,j)=bitand(a(i,j),2); end end %To extract 0th bit plane for i=1:m, for j=1:n, b0(i,j)=bitand(a(i,j),1); end end %Code to show the resultant images subplot(2,2,1),imshow(a),title('original image'), subplot(2,2,2),imshow(b5),title('5th bitplane image'), subplot(2,2,3),imshow(b6),title('6th bitplane image'), subplot(2,2,4),imshow(b7),title('7th bitplane image'),