segmentation for layer 1 - Ajinkya

a = imread('L1.jpg'); 
b = im2double(a);
b = rgb2gray(b);
level = graythresh(b); 
c = im2bw(b , level);
imshow(a);
figure , imshow(c)
m= imread('R1.jpg');
n = im2double(m);
l = rgb2gray(n);
level = graythresh(l);
x = im2bw(l , level);
figure , imshow(m);
figure , imshow(x)