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diff --git a/thirdparty/raspberrypi/includes/opencv2/stitching/detail/matchers.hpp b/thirdparty/raspberrypi/includes/opencv2/stitching/detail/matchers.hpp
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-/*M///////////////////////////////////////////////////////////////////////////////////////
-//
-//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-//  By downloading, copying, installing or using the software you agree to this license.
-//  If you do not agree to this license, do not download, install,
-//  copy or use the software.
-//
-//
-//                          License Agreement
-//                For Open Source Computer Vision Library
-//
-// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
-// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-//   * Redistribution's of source code must retain the above copyright notice,
-//     this list of conditions and the following disclaimer.
-//
-//   * Redistribution's in binary form must reproduce the above copyright notice,
-//     this list of conditions and the following disclaimer in the documentation
-//     and/or other materials provided with the distribution.
-//
-//   * The name of the copyright holders may not be used to endorse or promote products
-//     derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors "as is" and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/
-
-#ifndef __OPENCV_STITCHING_MATCHERS_HPP__
-#define __OPENCV_STITCHING_MATCHERS_HPP__
-
-#include "opencv2/core/core.hpp"
-#include "opencv2/core/gpumat.hpp"
-#include "opencv2/features2d/features2d.hpp"
-
-#include "opencv2/opencv_modules.hpp"
-
-#if defined(HAVE_OPENCV_NONFREE)
-    #include "opencv2/nonfree/gpu.hpp"
-#endif
-
-namespace cv {
-namespace detail {
-
-struct CV_EXPORTS ImageFeatures
-{
-    int img_idx;
-    Size img_size;
-    std::vector<KeyPoint> keypoints;
-    Mat descriptors;
-};
-
-
-class CV_EXPORTS FeaturesFinder
-{
-public:
-    virtual ~FeaturesFinder() {}
-    void operator ()(const Mat &image, ImageFeatures &features);
-    void operator ()(const Mat &image, ImageFeatures &features, const std::vector<cv::Rect> &rois);
-    virtual void collectGarbage() {}
-
-protected:
-    virtual void find(const Mat &image, ImageFeatures &features) = 0;
-};
-
-
-class CV_EXPORTS SurfFeaturesFinder : public FeaturesFinder
-{
-public:
-    SurfFeaturesFinder(double hess_thresh = 300., int num_octaves = 3, int num_layers = 4,
-                       int num_octaves_descr = /*4*/3, int num_layers_descr = /*2*/4);
-
-private:
-    void find(const Mat &image, ImageFeatures &features);
-
-    Ptr<FeatureDetector> detector_;
-    Ptr<DescriptorExtractor> extractor_;
-    Ptr<Feature2D> surf;
-};
-
-class CV_EXPORTS OrbFeaturesFinder : public FeaturesFinder
-{
-public:
-    OrbFeaturesFinder(Size _grid_size = Size(3,1), int nfeatures=1500, float scaleFactor=1.3f, int nlevels=5);
-
-private:
-    void find(const Mat &image, ImageFeatures &features);
-
-    Ptr<ORB> orb;
-    Size grid_size;
-};
-
-
-#if defined(HAVE_OPENCV_NONFREE)
-class CV_EXPORTS SurfFeaturesFinderGpu : public FeaturesFinder
-{
-public:
-    SurfFeaturesFinderGpu(double hess_thresh = 300., int num_octaves = 3, int num_layers = 4,
-                          int num_octaves_descr = 4, int num_layers_descr = 2);
-
-    void collectGarbage();
-
-private:
-    void find(const Mat &image, ImageFeatures &features);
-
-    gpu::GpuMat image_;
-    gpu::GpuMat gray_image_;
-    gpu::SURF_GPU surf_;
-    gpu::GpuMat keypoints_;
-    gpu::GpuMat descriptors_;
-#if defined(HAVE_OPENCV_GPU) && !defined(DYNAMIC_CUDA_SUPPORT)
-    int num_octaves_, num_layers_;
-    int num_octaves_descr_, num_layers_descr_;
-#endif
-};
-#endif
-
-
-struct CV_EXPORTS MatchesInfo
-{
-    MatchesInfo();
-    MatchesInfo(const MatchesInfo &other);
-    const MatchesInfo& operator =(const MatchesInfo &other);
-
-    int src_img_idx, dst_img_idx;       // Images indices (optional)
-    std::vector<DMatch> matches;
-    std::vector<uchar> inliers_mask;    // Geometrically consistent matches mask
-    int num_inliers;                    // Number of geometrically consistent matches
-    Mat H;                              // Estimated homography
-    double confidence;                  // Confidence two images are from the same panorama
-};
-
-
-class CV_EXPORTS FeaturesMatcher
-{
-public:
-    virtual ~FeaturesMatcher() {}
-
-    void operator ()(const ImageFeatures &features1, const ImageFeatures &features2,
-                     MatchesInfo& matches_info) { match(features1, features2, matches_info); }
-
-    void operator ()(const std::vector<ImageFeatures> &features, std::vector<MatchesInfo> &pairwise_matches,
-                     const cv::Mat &mask = cv::Mat());
-
-    bool isThreadSafe() const { return is_thread_safe_; }
-
-    virtual void collectGarbage() {}
-
-protected:
-    FeaturesMatcher(bool is_thread_safe = false) : is_thread_safe_(is_thread_safe) {}
-
-    virtual void match(const ImageFeatures &features1, const ImageFeatures &features2,
-                       MatchesInfo& matches_info) = 0;
-
-    bool is_thread_safe_;
-};
-
-
-class CV_EXPORTS BestOf2NearestMatcher : public FeaturesMatcher
-{
-public:
-    BestOf2NearestMatcher(bool try_use_gpu = false, float match_conf = 0.3f, int num_matches_thresh1 = 6,
-                          int num_matches_thresh2 = 6);
-
-    void collectGarbage();
-
-protected:
-    void match(const ImageFeatures &features1, const ImageFeatures &features2, MatchesInfo &matches_info);
-
-    int num_matches_thresh1_;
-    int num_matches_thresh2_;
-    Ptr<FeaturesMatcher> impl_;
-};
-
-} // namespace detail
-} // namespace cv
-
-#endif // __OPENCV_STITCHING_MATCHERS_HPP__