forked from opentrack/opentrack
-
Notifications
You must be signed in to change notification settings - Fork 0
/
trans_calib.cpp
44 lines (38 loc) · 980 Bytes
/
trans_calib.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/* Copyright (c) 2012 Patrick Ruoff
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#include "trans_calib.h"
using namespace cv;
//-----------------------------------------------------------------------------
TranslationCalibrator::TranslationCalibrator()
{
reset();
}
void TranslationCalibrator::reset()
{
P = Matx66f::zeros();
y = Vec6f(0,0,0, 0,0,0);
}
void TranslationCalibrator::update(const Matx33d& R_CM_k, const Vec3d& t_CM_k)
{
Matx<double, 6,3> H_k_T = Matx<double, 6,3>::zeros();
for (int i=0; i<3; ++i) {
for (int j=0; j<3; ++j) {
H_k_T(i,j) = R_CM_k(j,i);
}
}
for (int i=0; i<3; ++i)
{
H_k_T(3+i,i) = 1.0;
}
P += H_k_T * H_k_T.t();
y += H_k_T * t_CM_k;
}
Vec3f TranslationCalibrator::get_estimate()
{
Vec6f x = P.inv() * y;
return Vec3f(x[0], x[1], x[2]);
}