vpDetectorFace.h

/*
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2024 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 https://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.
 */
 
#ifndef VP_DETECTOR_FACE_H
#define VP_DETECTOR_FACE_H
 
#include <visp3/core/vpConfig.h>
 
#if ((VISP_HAVE_OPENCV_VERSION < 0x050000) && defined(HAVE_OPENCV_OBJDETECT)) || ((VISP_HAVE_OPENCV_VERSION >= 0x050000) && defined(HAVE_OPENCV_XOBJDETECT))
 
#include <algorithm> // needed by (std::min) in opencv2/objdetect/objdetect.hpp
 
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
 
#if (VISP_HAVE_OPENCV_VERSION < 0x050000)
#include <opencv2/objdetect/objdetect.hpp>
#elif (VISP_HAVE_OPENCV_VERSION >= 0x050000)
#include <opencv2/xobjdetect.hpp>
#endif
 
#include <visp3/detection/vpDetectorBase.h>
 
BEGIN_VISP_NAMESPACE
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();
 
  bool detect(const vpImage<unsigned char> &I) VP_OVERRIDE;
  bool detect(const cv::Mat &frame_gray);
  void setCascadeClassifierFile(const std::string &filename);
};
END_VISP_NAMESPACE
#endif
#endif