% the ground truth
% the coding schema of the object classes as follows:
% - 1 means: the obj. is part of the class; 0 means: is not part
% - less significant digit: small, black square
% - middle digit: middle-gray rectangle (rectangle: the ratio between the side-lengths is at least 1.5)
% - most significant digit: not completely filled object
% Example: 011 means: there is a small square and a middle-gray rect. on
% the image.

function ret=LoadGT()
    ret=[011; 100; 001; 111; 111];
end