Home > Matching_SYM_LSM > src > 2D_LSM_62 > 2D_LSM_62_sym_Functions > image_pair_prepare_values.m

image_pair_prepare_values

PURPOSE ^

% prepare approxmate values for demo image pair

SYNOPSIS ^

function par = image_pair_prepare_values(par)

DESCRIPTION ^

% prepare approxmate values for demo image pair

 wf 7/2020

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function par = image_pair_prepare_values(par)
0002 %% prepare approxmate values for demo image pair
0003 %
0004 % wf 7/2020
0005 
0006 % --- true affinity referring to centre of windows ----------------------
0007 par.A_true   = [par.A_t; 0 0 1];
0008 % half transformation A=B^2
0009 par.B_true   = sqrtm(par.A_true);
0010 par.Bi_true  = inv(par.B_true);
0011 
0012 % --- true radiometric parameters R=S^2 ---------------------------------
0013 par.a7_true = sqrt(par.R_true(1));
0014 par.a8_true = par.R_true(2)/(1+par.a7_true);
0015 par.S_true  = [par.a7_true,par.a8_true];
0016 
0017 % --- true parameters ---------------------------------------------------
0018 par.x_true = [reshape(par.A_true(1:2,:),6,1);par.R_true'];
0019 
0020 % --- approximate values ------------------------------------------------
0021 par.A_a  = par.A_true;
0022 par.Ai_a = inv(par.A_a);
0023 par.R_a  = par.R_true;
0024 par.Ri_a =  1/(par.R_a(1,1))*[1,-par.R_a(2)];
0025 
0026 end
0027

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