From f618466c25d43f3bae9e40920273bf77de1e1149 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Mon, 19 Oct 2020 23:09:30 -0400
Subject: initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs
---
 .../toolbox/toolbox_basic/affine/simulation.m      | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 SD-VBS/common/toolbox/toolbox_basic/affine/simulation.m

(limited to 'SD-VBS/common/toolbox/toolbox_basic/affine/simulation.m')

diff --git a/SD-VBS/common/toolbox/toolbox_basic/affine/simulation.m b/SD-VBS/common/toolbox/toolbox_basic/affine/simulation.m
new file mode 100755
index 0000000..2186a6d
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/affine/simulation.m
@@ -0,0 +1,42 @@
+clear
+
+figure(1);colormap(gray);
+
+%------------ Parameters --------------------------
+window_size_h = 40;
+window_size = 2*window_size_h+1;
+noise_level = 40/256;
+
+% define A and D
+x_ext = -0.423;
+ext = 1.232;
+A = [ext+x_ext, 0.2534; 0.3423,ext];
+
+D = [3,1];
+
+%------------- compute image I and J ---------------
+disp('generating I')
+I_init = gen_feature_s(window_size);
+[size_y,size_x] = size(I_init);
+
+%define image center
+[center_x,center_y] = find_center(size_x,size_y);
+
+%  adding noise to image I
+I = I_init+noise_level*rand(size_y,size_x); 
+% make sure all intensities are positive
+I = I.*(I>0);
+
+disp('computing J')
+J_init = compute_J(A,D,I_init,[center_x,center_y],[window_size_h,window_size_h]);
+J = J_init+noise_level*rand(size_y,size_x); 
+J = J.*(J>0);
+
+
+%------------- compute A and residue ----------------
+c = [center_x,center_y];
+num_iter = 8; w = 9;win_h = [window_size_h,window_size_h];
+
+fig_disp = 1;
+[Ac,Dc,mask] = compute_AD_disp(I,J,c,c,win_h,num_iter,w,fig_disp);
+
-- 
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