dnnfacedetectoryolo.h

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/* ============================================================
 *
 * This file is a part of digiKam
 *
 * Date        : 2019-08-08
 * Description : Derived class to perform YOLO neural network inference
 *               for face detection. Credit: Ayoosh Kathuria (for Yolov3 blog post),
 *               sthanhng (for example of face detection with Yolov3).
 *               More information with Yolov3:
 *               https://towardsdatascience.com/yolo-v3-object-detection-53fb7d3bfe6b
 *               sthanhng github on face detection with Yolov3:
 *               https://github.com/sthanhng/yoloface
 *
 * Copyright (C) 2019 by Thanh Trung Dinh <dinhthanhtrung1996 at gmail dot com>
 * Copyright (C) 2020-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * This program 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, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_FACESENGINE_DNN_FACE_DETECTOR_YOLO_H
#define DIGIKAM_FACESENGINE_DNN_FACE_DETECTOR_YOLO_H
 
// Local includes
 
#include "dnnfacedetectorbase.h"
 
namespace Digikam
{
 
class DNNFaceDetectorYOLO: public DNNFaceDetectorBase
{
 
public:
 
    explicit DNNFaceDetectorYOLO();
    ~DNNFaceDetectorYOLO()                                        override;
 
    bool loadModels();
 
    void detectFaces(const cv::Mat& inputImage,
                     const cv::Size& paddedSize,
                     std::vector<cv::Rect>& detectedBboxes)       override;
 
private:
 
    std::vector<cv::String> getOutputsNames()               const;
 
    void postprocess(const std::vector<cv::Mat>& outs,
                     const cv::Size& paddedSize,
                     std::vector<cv::Rect>& detectedBboxes) const;
 
private:
 
    // Disable
    DNNFaceDetectorYOLO(const DNNFaceDetectorYOLO&)            = delete;
    DNNFaceDetectorYOLO& operator=(const DNNFaceDetectorYOLO&) = delete;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_FACESENGINE_DNN_FACE_DETECTOR_YOLO_H