validatetheta_homography.m

RANSAC Toolbox by Marco Zuliani email: [e-mail] -------------------------------

function flag = validateTheta_homography(X, Theta, s)

% flag = validateMSS_homography(X, Theta, s)
%
% DESC:
% Validates the parameter vector
%
% INPUT:
% X                 = samples on the manifold
% Theta             = parameter vector
% s                 = indices of the MSS
%
% OUTPUT:
% flag              = true if the MSS is valid


% AUTHOR:
% Marco Zuliani, email: [e-mail]
% Copyright (C) 2008 by Marco Zuliani 
% 
% LICENSE:
% This toolbox is distributed under the terms of the GNU LGPL.
% Please refer to the files COPYING and COPYING.LESSER for more information.


% condition number threshold
T_K = 1e12;

% perform here the check on the parameter vector Theta
H = reshape(Theta, 3, 3);
K = cond(H);

if (K > T_K)
    flag = false;
else
    flag = true;
end;

return