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-rw-r--r--cv/translation-calibrator.cpp68
-rw-r--r--cv/translation-calibrator.hpp41
-rw-r--r--tracker-aruco/ftnoir_tracker_aruco.cpp6
-rw-r--r--tracker-pt/ftnoir_tracker_pt_dialog.cpp2
4 files changed, 64 insertions, 53 deletions
diff --git a/cv/translation-calibrator.cpp b/cv/translation-calibrator.cpp
index d08e0c43..708cc593 100644
--- a/cv/translation-calibrator.cpp
+++ b/cv/translation-calibrator.cpp
@@ -13,8 +13,8 @@
#include <QDebug>
-TranslationCalibrator::TranslationCalibrator(unsigned yaw_rdof, unsigned pitch_rdof, unsigned roll_rdof) :
- yaw_rdof(yaw_rdof), pitch_rdof(pitch_rdof), roll_rdof(roll_rdof)
+TranslationCalibrator::TranslationCalibrator(unsigned yaw_rdof, unsigned pitch_rdof) :
+ yaw_rdof(yaw_rdof), pitch_rdof(pitch_rdof)
{
reset();
}
@@ -22,11 +22,10 @@ TranslationCalibrator::TranslationCalibrator(unsigned yaw_rdof, unsigned pitch_r
void TranslationCalibrator::reset()
{
P = cv::Matx66f::zeros();
- y = cv::Vec6f(0,0,0, 0,0,0);
+ y = { 0,0,0, 0,0,0 };
- used_yaw_poses = vec(1 + iround(360 / yaw_spacing_in_degrees), 0);
- used_pitch_poses = vec(1 + iround(360 / pitch_spacing_in_degrees), 0);
- used_roll_poses = vec(1 + iround(360 / roll_spacing_in_degrees), 0);
+ used_yaw_poses = vec_i(1 + iround(360 / yaw_spacing_in_degrees), 0);
+ used_pitch_poses = vec_i(1 + iround(360 / pitch_spacing_in_degrees), 0);
nsamples = 0;
}
@@ -52,34 +51,40 @@ void TranslationCalibrator::update(const cv::Matx33d& R_CM_k, const cv::Vec3d& t
y += H_k_T * t_CM_k;
}
-std::tuple<cv::Vec3f, cv::Vec3i> TranslationCalibrator::get_estimate()
+using cv_out_vec = TranslationCalibrator::cv_nsample_vec;
+using cv_in_vec = TranslationCalibrator::cv_cal_vec;
+using tt = TranslationCalibrator::tt;
+
+tt TranslationCalibrator::get_estimate()
{
cv::Vec6f x = P.inv() * y;
- unsigned values[3] {};
- vec* in[] { &used_yaw_poses, &used_pitch_poses, &used_roll_poses };
+ vec_i const* in[num_nsample_axis] = { &used_yaw_poses, &used_pitch_poses, };
+ unsigned nsamples[num_cal_axis] {};
- for (unsigned k = 0; k < 3; k++)
+ for (unsigned k = 0; k < num_nsample_axis; k++)
{
- const vec& data = *in[k];
+ vec_i const& data = *in[k];
for (unsigned i : data)
if (i)
- values[k]++;
+ nsamples[k]++;
}
qDebug() << "samples total" << nsamples
- << "yaw" << values[0]
- << "pitch" << values[1]
- << "roll" << values[2];
+ << "yaw" << nsamples[0]
+ << "pitch" << nsamples[1];
- return std::make_tuple(cv::Vec3f(-x[0], -x[1], -x[2]),
- cv::Vec3i(values[0], values[1], values[2]));
+ return {
+ { -x[0], -x[1], -x[2] },
+ { nsamples[0], nsamples[1] },
+ };
}
+static constexpr inline double r2d = 180/M_PI;
+
bool TranslationCalibrator::check_bucket(const cv::Matx33d& R_CM_k)
{
using namespace euler;
- constexpr double r2d = 180/M_PI;
rmat r;
for (unsigned j = 0; j < 3; j++)
@@ -88,27 +93,28 @@ bool TranslationCalibrator::check_bucket(const cv::Matx33d& R_CM_k)
const euler_t ypr = rmat_to_euler(r) * r2d;
- const unsigned yaw_k = iround((ypr(yaw_rdof) + 180)/yaw_spacing_in_degrees);
- const unsigned pitch_k = iround((ypr(pitch_rdof) + 180)/pitch_spacing_in_degrees);
- const unsigned roll_k = iround((ypr(roll_rdof) + 180)/roll_spacing_in_degrees);
+ auto array_index = [](double val, double spacing) {
+ return iround((val + 180)/spacing);
+ };
+
+ const unsigned yaw_k = array_index(ypr(yaw_rdof), yaw_spacing_in_degrees);
+ const unsigned pitch_k = array_index(ypr(pitch_rdof), pitch_spacing_in_degrees);
if (yaw_k < used_yaw_poses.size() &&
- pitch_k < used_pitch_poses.size() &&
- roll_k < used_roll_poses.size())
+ pitch_k < used_pitch_poses.size())
{
used_yaw_poses[yaw_k]++;
used_pitch_poses[pitch_k]++;
- used_roll_poses[roll_k]++;
return used_yaw_poses[yaw_k] == 1 ||
- used_pitch_poses[pitch_k] == 1 ||
- used_roll_poses[roll_k] == 1;
+ used_pitch_poses[pitch_k] == 1;
}
else
- qDebug() << "calibrator: index out of range"
- << "yaw" << yaw_k
- << "pitch" << pitch_k
- << "roll" << roll_k;
+ {
+ eval_once(qDebug() << "calibrator: index out of range"
+ << "yaw" << yaw_k
+ << "pitch" << pitch_k);
- return false;
+ return false;
+ }
}
diff --git a/cv/translation-calibrator.hpp b/cv/translation-calibrator.hpp
index 774bc7cb..da052526 100644
--- a/cv/translation-calibrator.hpp
+++ b/cv/translation-calibrator.hpp
@@ -19,33 +19,38 @@
class TranslationCalibrator
{
-public:
- TranslationCalibrator(unsigned yaw_rdof, unsigned pitch_rdof, unsigned roll_rdof);
+ bool check_bucket(const cv::Matx33d& R_CM_k);
+
+ cv::Matx66f P; // normalized precision matrix = inverse covariance
+ cv::Vec6f y; // P*(-t_MH, t_CH)
+
+ using vec_i = std::vector<unsigned>;
+
+ vec_i used_yaw_poses {};
+ vec_i used_pitch_poses {};
+
+ unsigned yaw_rdof, pitch_rdof, nsamples = 0;
- // reset the calibration process
+public:
+ TranslationCalibrator(unsigned yaw_rdof, unsigned pitch_rdof);
void reset();
// update the current estimate
void update(const cv::Matx33d& R_CM_k, const cv::Vec3d& t_CM_k);
- // get the current estimate for t_MH
- std::tuple<cv::Vec3f, cv::Vec3i> get_estimate();
-
-private:
- bool check_bucket(const cv::Matx33d& R_CM_k);
+ // we're bringing in 3DOF samples but the calibrator only
+ // checks yaw and pitch
- cv::Matx66f P; // normalized precision matrix = inverse covariance
- cv::Vec6f y; // P*(-t_MH, t_CH)
+ static constexpr inline unsigned num_cal_axis = 3;
+ static constexpr inline unsigned num_nsample_axis = 2;
- using vec = std::vector<unsigned>;
+ using cv_cal_vec = cv::Vec<float, num_cal_axis>;
+ using cv_nsample_vec = cv::Vec<unsigned, num_nsample_axis>;
+ using tt = std::tuple<cv_cal_vec, cv_nsample_vec>;
- vec used_yaw_poses;
- vec used_pitch_poses;
- vec used_roll_poses;
+ // get the current estimate for t_MH
+ tt get_estimate();
- static constexpr inline double yaw_spacing_in_degrees = 2.5;
+ static constexpr inline double yaw_spacing_in_degrees = 2;
static constexpr inline double pitch_spacing_in_degrees = 1.5;
- static constexpr inline double roll_spacing_in_degrees = 3.5;
-
- unsigned yaw_rdof, pitch_rdof, roll_rdof, nsamples = 0;
};
diff --git a/tracker-aruco/ftnoir_tracker_aruco.cpp b/tracker-aruco/ftnoir_tracker_aruco.cpp
index b3d75e7d..502b50ad 100644
--- a/tracker-aruco/ftnoir_tracker_aruco.cpp
+++ b/tracker-aruco/ftnoir_tracker_aruco.cpp
@@ -452,7 +452,7 @@ void aruco_tracker::data(double *data)
}
aruco_dialog::aruco_dialog() :
- calibrator(1, 0, 2)
+ calibrator(1, 0)
{
tracker = nullptr;
calib_timer.setInterval(100);
@@ -493,8 +493,8 @@ void aruco_dialog::toggleCalibrate()
{
cleanupCalib();
- cv::Vec3d pos;
- std::tie(pos, std::ignore) = calibrator.get_estimate();
+ auto [ pos, nvals ] = calibrator.get_estimate();
+ (void) nvals;
s.headpos_x = -pos(0);
s.headpos_y = -pos(1);
s.headpos_z = -pos(2);
diff --git a/tracker-pt/ftnoir_tracker_pt_dialog.cpp b/tracker-pt/ftnoir_tracker_pt_dialog.cpp
index 1f6233f1..2a156cbc 100644
--- a/tracker-pt/ftnoir_tracker_pt_dialog.cpp
+++ b/tracker-pt/ftnoir_tracker_pt_dialog.cpp
@@ -23,7 +23,7 @@ TrackerDialog_PT::TrackerDialog_PT(const QString& module_name) :
s(module_name),
tracker(nullptr),
timer(this),
- trans_calib(1, 2, 0)
+ trans_calib(1, 2)
{
Q_INIT_RESOURCE(tracker_pt_base);