vpMbKltTracker.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Model based tracker using only KLT
 *
 * Authors:
 * Romain Tallonneau
 * Aurelien Yol
 *
 *****************************************************************************/
#ifndef vpMbKltTracker_h
#define vpMbKltTracker_h

#include <visp3/core/vpConfig.h>

#if defined(VISP_HAVE_MODULE_KLT) && (defined(VISP_HAVE_OPENCV) && (VISP_HAVE_OPENCV_VERSION >= 0x020100))

#include <visp3/core/vpExponentialMap.h>
#include <visp3/core/vpMeterPixelConversion.h>
#include <visp3/core/vpPixelMeterConversion.h>
#include <visp3/core/vpSubColVector.h>
#include <visp3/core/vpSubMatrix.h>
#include <visp3/klt/vpKltOpencv.h>
#include <visp3/mbt/vpMbTracker.h>
#include <visp3/mbt/vpMbtDistanceCircle.h>
#include <visp3/mbt/vpMbtDistanceKltCylinder.h>
#include <visp3/mbt/vpMbtDistanceKltPoints.h>
#include <visp3/mbt/vpMbtKltXmlParser.h>
#include <visp3/vision/vpHomography.h>

class VISP_EXPORT vpMbKltTracker : public virtual vpMbTracker
{
  friend class vpMbKltMultiTracker;
  friend class vpMbEdgeKltMultiTracker;

protected:
#if (VISP_HAVE_OPENCV_VERSION >= 0x020408)
  cv::Mat cur;
#else
  IplImage *cur;
#endif
  vpHomogeneousMatrix c0Mo;
  bool firstInitialisation;
  unsigned int maskBorder;
  double threshold_outlier;
  double percentGood;
  vpHomogeneousMatrix ctTc0;
  vpKltOpencv tracker;
  std::list<vpMbtDistanceKltPoints *> kltPolygons;
  std::list<vpMbtDistanceKltCylinder *> kltCylinders;
  std::list<vpMbtDistanceCircle *> circles_disp;
  unsigned int m_nbInfos;
  unsigned int m_nbFaceUsed;
  vpMatrix m_L_klt;
  vpColVector m_error_klt;
  vpColVector m_w_klt;
  vpColVector m_weightedError_klt;
  vpRobust m_robust_klt;

public:
  vpMbKltTracker();
  virtual ~vpMbKltTracker();


  void addCircle(const vpPoint &P1, const vpPoint &P2, const vpPoint &P3, const double r, const std::string &name = "");
  virtual void display(const vpImage<unsigned char> &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam,
                       const vpColor &col, const unsigned int thickness = 1, const bool displayFullModel = false);
  virtual void display(const vpImage<vpRGBa> &I, const vpHomogeneousMatrix &cMo, const vpCameraParameters &cam,
                       const vpColor &col, const unsigned int thickness = 1, const bool displayFullModel = false);

  virtual std::list<vpMbtDistanceCircle *> &getFeaturesCircle() { return circles_disp; }
  virtual std::list<vpMbtDistanceKltCylinder *> &getFeaturesKltCylinder() { return kltCylinders; }
  virtual std::list<vpMbtDistanceKltPoints *> &getFeaturesKlt() { return kltPolygons; }

#if (VISP_HAVE_OPENCV_VERSION >= 0x020408)
  inline std::vector<cv::Point2f> getKltPoints() const { return tracker.getFeatures(); }
#else
  inline CvPoint2D32f *getKltPoints() { return tracker.getFeatures(); }
#endif

  std::vector<vpImagePoint> getKltImagePoints() const;

  std::map<int, vpImagePoint> getKltImagePointsWithId() const;

  inline vpKltOpencv getKltOpencv() const { return tracker; }

  inline unsigned int getKltMaskBorder() const { return maskBorder; }

  inline int getKltNbPoints() const { return tracker.getNbFeatures(); }

  inline double getKltThresholdAcceptation() const { return threshold_outlier; }

  virtual inline vpColVector getError() const { return m_error_klt; }

  virtual inline vpColVector getRobustWeights() const { return m_w_klt; }

  virtual void loadConfigFile(const std::string &configFile);
  void loadConfigFile(const char *configFile);

  virtual void reInitModel(const vpImage<unsigned char> &I, const std::string &cad_name,
                           const vpHomogeneousMatrix &cMo_, const bool verbose = false);
  void reInitModel(const vpImage<unsigned char> &I, const char *cad_name, const vpHomogeneousMatrix &cMo,
                   const bool verbose = false);
  void resetTracker();

  void setCameraParameters(const vpCameraParameters &cam);

  inline void setKltMaskBorder(const unsigned int &e)
  {
    maskBorder = e;
    // if(useScanLine)
    faces.getMbScanLineRenderer().setMaskBorder(maskBorder);
  }

  virtual void setKltOpencv(const vpKltOpencv &t);

  inline void setKltThresholdAcceptation(const double th) { threshold_outlier = th; }

  virtual void setOgreVisibilityTest(const bool &v)
  {
    vpMbTracker::setOgreVisibilityTest(v);
#ifdef VISP_HAVE_OGRE
    faces.getOgreContext()->setWindowName("MBT Klt");
#endif
  }

  virtual void setScanLineVisibilityTest(const bool &v)
  {
    vpMbTracker::setScanLineVisibilityTest(v);

    for (std::list<vpMbtDistanceKltPoints *>::const_iterator it = kltPolygons.begin(); it != kltPolygons.end(); ++it)
      (*it)->useScanLine = v;
  }

  virtual void setPose(const vpImage<unsigned char> &I, const vpHomogeneousMatrix &cdMo);

  virtual void setProjectionErrorComputation(const bool &flag)
  {
    if (flag)
      std::cerr << "This option is not yet implemented in vpMbKltTracker, "
                   "projection error computation set to false."
                << std::endl;
  }

  void setUseKltTracking(const std::string &name, const bool &useKltTracking);

  virtual void testTracking();
  virtual void track(const vpImage<unsigned char> &I);


  /* vp_deprecated */ inline unsigned int getMaskBorder() const { return maskBorder; }
  /* vp_deprecated */ inline int getNbKltPoints() const { return tracker.getNbFeatures(); }

  /* vp_deprecated */ inline double getThresholdAcceptation() const { return threshold_outlier; }
  /* vp_deprecated */ inline void setMaskBorder(const unsigned int &e)
  {
    maskBorder = e;
    // if(useScanLine)
    faces.getMbScanLineRenderer().setMaskBorder(maskBorder);
  }

  /* vp_deprecated */ inline void setThresholdAcceptation(const double th) { threshold_outlier = th; }


protected:
  void computeVVS();
  virtual void computeVVSInit();
  virtual void computeVVSInteractionMatrixAndResidu();

  virtual void init(const vpImage<unsigned char> &I);
  virtual void initFaceFromCorners(vpMbtPolygon &polygon);
  virtual void initFaceFromLines(vpMbtPolygon &polygon);
  virtual void initCircle(const vpPoint &, const vpPoint &, const vpPoint &, const double, const int,
                          const std::string &name = "");
  virtual void initCylinder(const vpPoint &, const vpPoint &, const double, const int, const std::string &name = "");

  void preTracking(const vpImage<unsigned char> &I);
  bool postTracking(const vpImage<unsigned char> &I, vpColVector &w);
  virtual void reinit(const vpImage<unsigned char> &I);
};

#endif
#endif // VISP_HAVE_OPENCV