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calc_Dual

PURPOSE

% dualizing matrix

SYNOPSIS

function D = calc_Dual

DESCRIPTION

% dualizing matrix

 Usage:
   D = calc_Dual

   D - 6x6 dualizing matrix
       [0 0 0 1 0 0
        0 0 0 0 1 0
        0 0 0 0 0 1
        1 0 0 0 0 0
        0 1 0 0 0 0
        0 0 1 0 0 0]

 Wolfgang Förstner
 wfoerstn@uni-bonn.de 

 See also calc_Gamma, calc_Gammadual, calc_Gamma_reduced,
 calc_Gammadual_reduced, calc_Pi calc_Pidual

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

demo_dual % DEMO Duality
demo_single_image_geometry % DEMO single image geometry
demo_singularity_line_through_four_lines % Test singularity of line through four lines
demo_selection_X_on_Li % test whether selection is necessary when using L through X constraint
demo_check_of_signs_single_and_two_view_geometry % demo: check of signs single and two view geometry
sugr_minimal_3D_Line % generate minimal representation for 3D homogeneous line

SOURCE CODE

0001 %% dualizing matrix
0002 %
0003 % Usage:
0004 %   D = calc_Dual
0005 %
0006 %   D - 6x6 dualizing matrix
0007 %       [0 0 0 1 0 0
0008 %        0 0 0 0 1 0
0009 %        0 0 0 0 0 1
0010 %        1 0 0 0 0 0
0011 %        0 1 0 0 0 0
0012 %        0 0 1 0 0 0]
0013 %
0014 % Wolfgang Förstner
0015 % wfoerstn@uni-bonn.de
0016 %
0017 % See also calc_Gamma, calc_Gammadual, calc_Gamma_reduced,
0018 % calc_Gammadual_reduced, calc_Pi calc_Pidual
0019 
0020 function D = calc_Dual
0021 
0022 D = [zeros(3,3),eye(3); 
0023      eye(3),zeros(3,3)
0024     ];
0025