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Diffstat (limited to 'thirdparty/linux/include/opencv2/stitching/detail/exposure_compensate.hpp')
| -rw-r--r-- | thirdparty/linux/include/opencv2/stitching/detail/exposure_compensate.hpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/thirdparty/linux/include/opencv2/stitching/detail/exposure_compensate.hpp b/thirdparty/linux/include/opencv2/stitching/detail/exposure_compensate.hpp new file mode 100644 index 0000000..f5a8122 --- /dev/null +++ b/thirdparty/linux/include/opencv2/stitching/detail/exposure_compensate.hpp @@ -0,0 +1,136 @@ +/*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_EXPOSURE_COMPENSATE_HPP +#define OPENCV_STITCHING_EXPOSURE_COMPENSATE_HPP + +#if defined(NO) +# warning Detected Apple 'NO' macro definition, it can cause build conflicts. Please, include this header before any Apple headers. +#endif + +#include "opencv2/core.hpp" + +namespace cv { +namespace detail { + +//! @addtogroup stitching_exposure +//! @{ + +/** @brief Base class for all exposure compensators. + */ +class CV_EXPORTS ExposureCompensator +{ +public: + virtual ~ExposureCompensator() {} + + enum { NO, GAIN, GAIN_BLOCKS }; + static Ptr<ExposureCompensator> createDefault(int type); + + /** + @param corners Source image top-left corners + @param images Source images + @param masks Image masks to update (second value in pair specifies the value which should be used + to detect where image is) + */ + void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, + const std::vector<UMat> &masks); + /** @overload */ + virtual void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, + const std::vector<std::pair<UMat,uchar> > &masks) = 0; + /** @brief Compensate exposure in the specified image. + + @param index Image index + @param corner Image top-left corner + @param image Image to process + @param mask Image mask + */ + virtual void apply(int index, Point corner, InputOutputArray image, InputArray mask) = 0; +}; + +/** @brief Stub exposure compensator which does nothing. + */ +class CV_EXPORTS NoExposureCompensator : public ExposureCompensator +{ +public: + void feed(const std::vector<Point> &/*corners*/, const std::vector<UMat> &/*images*/, + const std::vector<std::pair<UMat,uchar> > &/*masks*/) { } + void apply(int /*index*/, Point /*corner*/, InputOutputArray /*image*/, InputArray /*mask*/) { } +}; + +/** @brief Exposure compensator which tries to remove exposure related artifacts by adjusting image +intensities, see @cite BL07 and @cite WJ10 for details. + */ +class CV_EXPORTS GainCompensator : public ExposureCompensator +{ +public: + void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, + const std::vector<std::pair<UMat,uchar> > &masks); + void apply(int index, Point corner, InputOutputArray image, InputArray mask); + std::vector<double> gains() const; + +private: + Mat_<double> gains_; +}; + +/** @brief Exposure compensator which tries to remove exposure related artifacts by adjusting image block +intensities, see @cite UES01 for details. + */ +class CV_EXPORTS BlocksGainCompensator : public ExposureCompensator +{ +public: + BlocksGainCompensator(int bl_width = 32, int bl_height = 32) + : bl_width_(bl_width), bl_height_(bl_height) {} + void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, + const std::vector<std::pair<UMat,uchar> > &masks); + void apply(int index, Point corner, InputOutputArray image, InputArray mask); + +private: + int bl_width_, bl_height_; + std::vector<UMat> gain_maps_; +}; + +//! @} + +} // namespace detail +} // namespace cv + +#endif // OPENCV_STITCHING_EXPOSURE_COMPENSATE_HPP |