vpDetectorFace.h

/****************************************************************************
 *
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2019 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:
 * Detect faces.
 *
 * Authors:
 * Fabien Spindler
 *
 *****************************************************************************/

#ifndef _vpDetectorFace_h_
#define _vpDetectorFace_h_

#include <visp3/core/vpConfig.h>

#if (VISP_HAVE_OPENCV_VERSION >= 0x020200)

#include <algorithm> // needed by (std::min) in opencv2/objdetect/objdetect.hpp

#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/objdetect/objdetect.hpp>

#include <visp3/detection/vpDetectorBase.h>

class VISP_EXPORT vpDetectorFace : public vpDetectorBase
{
protected:
  std::vector<cv::Rect> m_faces;        
  cv::CascadeClassifier m_face_cascade; 
  cv::Mat m_frame_gray;                 

public:
  vpDetectorFace();
  virtual ~vpDetectorFace(){}

  bool detect(const vpImage<unsigned char> &I);
  bool detect(const cv::Mat &frame_gray);
  void setCascadeClassifierFile(const std::string &filename);
};

#endif
#endif