转化为lab色彩空间模式后，图像的显示情况和数组大小。 

    1. %designed by superdont
    2. %lilizong@gmail.com
    3. %2008.11.5
    4. clc
    5. r=imread('E:/watermark/image/lena512.jpg');
    6. size(r)
    7. [l a b]=rgb2lab(r);
    8. size(l)
    9. size(a)
    10. size(b)
    11. % figure(1),imshow(l);
    12. % figure(2),imshow(a);
    13. % figure(3),imshow(b);
    14. % figure(4),imshow(r);
    15. figure(1),subplot(2,2,1),imshow(l,[]);
    16. subplot(2,2,2),imshow(a,[]);
    17. subplot(2,2,3),imshow(b,[]);
    18. subplot(2,2,4),imshow(r,[]);