hallway2

clear, close all
filename = '2011_0328_131452AA.JPG';
rgb = im2double(imread(filename));
rgbsm = imresize(rgb,0.5);
% imshow(rgbsm);
% [x y] = ginput(12);
% save hallway2_project filename x y
load hallway2_project

imshow(rgbsm);
%imshow(out)
hold on
plot(x(1:2),y(1:2),'g','LineWidth',2);
plot(x(3:4),y(3:4),'g','LineWidth',2);
plot(x(5:6),y(5:6),'g','LineWidth',2);
plot(x(7:8),y(7:8),'g','LineWidth',2);
plot(x(5:6),y(5:6),'g','LineWidth',2);
plot(x(7:8),y(7:8),'g','LineWidth',2);
plot(x(9:10),y(9:10),'g','LineWidth',2);
plot(x(11:12),y(11:12),'g','LineWidth',2);
hold off

I = rgb2gray(rgbsm);
out = edge(I,'sobel');
imshow(out);