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Diffstat (limited to 'ftnoir_tracker_pt/point_tracker.h')
-rw-r--r-- | ftnoir_tracker_pt/point_tracker.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/ftnoir_tracker_pt/point_tracker.h b/ftnoir_tracker_pt/point_tracker.h deleted file mode 100644 index 8967f806..00000000 --- a/ftnoir_tracker_pt/point_tracker.h +++ /dev/null @@ -1,114 +0,0 @@ -/* 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. - */ - -#ifndef POINTTRACKER_H -#define POINTTRACKER_H - -#include <memory> -#include <opencv2/opencv.hpp> -#include <list> - -// ---------------------------------------------------------------------------- -// Afine frame trafo -class FrameTrafo -{ -public: - FrameTrafo() : R(cv::Matx33f::eye()), t(0,0,0) {} - FrameTrafo(const cv::Matx33f& R, const cv::Vec3f& t) : R(R),t(t) {} - - cv::Matx33f R; - cv::Vec3f t; -}; - -inline FrameTrafo operator*(const FrameTrafo& X, const FrameTrafo& Y) -{ - return FrameTrafo(X.R*Y.R, X.R*Y.t + X.t); -} - -inline cv::Vec3f operator*(const FrameTrafo& X, const cv::Vec3f& v) -{ - return X.R*v + X.t; -} - -// ---------------------------------------------------------------------------- -// Describes a 3-point model -// nomenclature as in -// [Denis Oberkampf, Daniel F. DeMenthon, Larry S. Davis: "Iterative Pose Estimation Using Coplanar Feature Points"] -class PointModel -{ - friend class PointTracker; -public: - static const int N_POINTS = 3; - - PointModel(cv::Vec3f M01, cv::Vec3f M02); - - const cv::Vec3f& get_M01() const { return M01; }; - const cv::Vec3f& get_M02() const { return M02; }; - -protected: - cv::Vec3f M01; // M01 in model frame - cv::Vec3f M02; // M02 in model frame - - cv::Vec3f u; // unit vector perpendicular to M01,M02-plane - - cv::Matx22f P; - - cv::Vec2f d; // discrimant vector for point correspondence - int d_order[3]; // sorting of projected model points with respect to d scalar product - - void get_d_order(const std::vector<cv::Vec2f>& points, int d_order[]) const; -}; - -// ---------------------------------------------------------------------------- -// Tracks a 3-point model -// implementing the POSIT algorithm for coplanar points as presented in -// [Denis Oberkampf, Daniel F. DeMenthon, Larry S. Davis: "Iterative Pose Estimation Using Coplanar Feature Points"] -class PointTracker -{ -public: - PointTracker(); - - // track the pose using the set of normalized point coordinates (x pos in range -0.5:0.5) - // f : (focal length)/(sensor width) - // dt : time since last call - bool track(const std::vector<cv::Vec2f>& points, float f, float dt); - std::auto_ptr<PointModel> point_model; - - bool dynamic_pose_resolution; - float dt_reset; - - FrameTrafo get_pose() const { return X_CM; } - void reset(); - -protected: - inline cv::Vec2f project(const cv::Vec3f& v_M, float f) - { - cv::Vec3f v_C = X_CM * v_M; - return cv::Vec2f(f*v_C[0]/v_C[2], f*v_C[1]/v_C[2]); - } - - bool find_correspondences(const std::vector<cv::Vec2f>& points, float f); - - cv::Vec2f p[PointModel::N_POINTS]; // the points in model order - cv::Vec2f p_exp[PointModel::N_POINTS]; // the expected point positions - - void predict(float dt); - void update_velocities(float dt); - void reset_velocities(); - - - int POSIT(float f); // The POSIT algorithm, returns the number of iterations - - bool init_phase; - float dt_valid; // time since last valid tracking result - cv::Vec3f v_t; // velocities - cv::Vec3f v_r; - FrameTrafo X_CM; // trafo from model to camera - FrameTrafo X_CM_old; -}; - -#endif //POINTTRACKER_H |