?? hu.m
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% SLAM Summer School 2006, Oxford.
% Practical 3. SLAM using Monocular Vision.
% Practical exercise.
% J.M.M. Montiel, Javier Civera, Andrew J. Davison.
% {josemari, jcivera}@unizar.es, ajd@doc.ic.ac.uk
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Calculate the projection of yi (in the camera reference)
function uv_u = hu( yi, cam)
u0 = cam.Cx;
v0 = cam.Cy;
f = cam.f;
ku = 1/cam.dx;
kv = 1/cam.dy;
uv_u = zeros( 2, size( yi, 2 ) );
for i = 1:size( yi, 2 )
uv_u( 1, i ) = u0 - (yi(1,i)/yi(3,i))*f*ku;
uv_u( 2, i ) = v0 - (yi(2,i)/yi(3,i))*f*kv;
end
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