d_facecom.h

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/* =========================================================================== *
   |
   |  Copyright (c) 1994-2011 by Kobus Barnard (author)
   |
   |  Personal and educational use of this code is granted, provided that this
   |  header is kept intact, and that the authorship is not misrepresented, that
   |  its use is acknowledged in publications, and relevant papers are cited.
   |
   |  For other use contact the author (kobus AT cs DOT arizona DOT edu).
   |
   |  Please note that the code in this file has not necessarily been adequately
   |  tested. Naturally, there is no guarantee of performance, support, or fitness
   |  for any particular task. Nonetheless, I am interested in hearing about
   |  problems that you encounter.
   |
   |  Author:  Jinyan Guan
 * =========================================================================== */

/* $Id: d_facecom.h 18724 2015-03-28 21:22:30Z jguan1 $ */

#ifndef D_FACECOM_H
#define D_FACECOM_H

#include <detector_cpp/d_bbox.h>

#include <iosfwd>
#include <vector>
#include <string>

namespace kjb {

class Perspective_camera;
class Face_detection 
{
public: 
    Face_detection
    (
        const Bbox& box,
        double pitch = 0.0, 
        double yaw = 0.0,
        double roll = 0.0
    ) :
        box_(box),
        pitch_(pitch),
        yaw_(yaw),
        roll_(roll)
    {}

    const Bbox& box() const { return box_; }

    Bbox& box() { return box_; }

    double pitch() const { return pitch_; }

    double yaw() const { return yaw_; }

    double roll() const { return roll_; }

    double& pitch() { return pitch_; }

    double& yaw() { return yaw_; }

    double& roll() { return roll_; }

private:
    Bbox box_;
    double pitch_;
    double yaw_;
    double roll_;
};

Vector gaze_direction
(
    const Face_detection& face,
    const Perspective_camera& camera
);


Vector face_location_3d
(
    const Face_detection& face,
    const Perspective_camera& camera,
    const Bbox& body_box
);


std::ostream& operator<<(std::ostream& ost, const Face_detection& face);

bool operator<(const Face_detection& f1, const Face_detection& f2);


Face_detection parse_face_line(const std::string& line);


std::vector<Face_detection> read_face_file(std::istream& is);

std::vector<std::vector<Face_detection> > read_face_files
(
    const std::vector<std::string>& face_fps
);

} // namespace kjb

#endif /*D_FACECOM_H */