figure;
colormap(gray(256));
subplot(2,2,1);
imagesc(fbitmap(:,:,1));
axis image;
xlabel('H Projection');
subplot(2,2,2);
imagesc(fbitmap(:,:,2));
xlabel('P45 Projection');
axis image;
subplot(2,2,3);
imagesc(fbitmap(:,:,3));
xlabel('V Projection');
axis image;
subplot(2,2,4);
imagesc(fbitmap(:,:,4));
xlabel('M45 Projection');
axis image;
imwrite(fbitmap(:,:,1), 'H.jpg','jpg')
imwrite(fbitmap(:,:,2), 'P45.jpg','jpg')
imwrite(fbitmap(:,:,3), 'V.jpg','jpg')
imwrite(fbitmap(:,:,4), 'M45.jpg','jpg')