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136 lines
5.3 KiB
136 lines
5.3 KiB
/*M/////////////////////////////////////////////////////////////////////////////////////// |
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// |
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
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// |
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// By downloading, copying, installing or using the software you agree to this license. |
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// If you do not agree to this license, do not download, install, |
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// copy or use the software. |
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// |
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// |
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// License Agreement |
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// For Open Source Computer Vision Library |
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// |
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. |
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved. |
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// Third party copyrights are property of their respective owners. |
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// |
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// Redistribution and use in source and binary forms, with or without modification, |
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// are permitted provided that the following conditions are met: |
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// |
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// * Redistribution's of source code must retain the above copyright notice, |
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// this list of conditions and the following disclaimer. |
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// |
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// * Redistribution's in binary form must reproduce the above copyright notice, |
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// this list of conditions and the following disclaimer in the documentation |
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// and/or other materials provided with the distribution. |
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// |
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// * The name of the copyright holders may not be used to endorse or promote products |
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// derived from this software without specific prior written permission. |
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// |
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// This software is provided by the copyright holders and contributors "as is" and |
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// any express or implied warranties, including, but not limited to, the implied |
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// warranties of merchantability and fitness for a particular purpose are disclaimed. |
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// In no event shall the Intel Corporation or contributors be liable for any direct, |
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// indirect, incidental, special, exemplary, or consequential damages |
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// (including, but not limited to, procurement of substitute goods or services; |
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// loss of use, data, or profits; or business interruption) however caused |
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// and on any theory of liability, whether in contract, strict liability, |
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// or tort (including negligence or otherwise) arising in any way out of |
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// the use of this software, even if advised of the possibility of such damage. |
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// |
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//M*/ |
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#ifndef OPENCV_STITCHING_EXPOSURE_COMPENSATE_HPP |
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#define OPENCV_STITCHING_EXPOSURE_COMPENSATE_HPP |
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#if defined(NO) |
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# warning Detected Apple 'NO' macro definition, it can cause build conflicts. Please, include this header before any Apple headers. |
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#endif |
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#include "opencv2/core.hpp" |
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namespace cv { |
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namespace detail { |
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//! @addtogroup stitching_exposure |
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//! @{ |
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/** @brief Base class for all exposure compensators. |
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*/ |
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class CV_EXPORTS ExposureCompensator |
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{ |
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public: |
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virtual ~ExposureCompensator() {} |
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enum { NO, GAIN, GAIN_BLOCKS }; |
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static Ptr<ExposureCompensator> createDefault(int type); |
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/** |
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@param corners Source image top-left corners |
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@param images Source images |
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@param masks Image masks to update (second value in pair specifies the value which should be used |
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to detect where image is) |
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*/ |
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void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, |
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const std::vector<UMat> &masks); |
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/** @overload */ |
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virtual void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, |
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const std::vector<std::pair<UMat,uchar> > &masks) = 0; |
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/** @brief Compensate exposure in the specified image. |
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@param index Image index |
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@param corner Image top-left corner |
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@param image Image to process |
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@param mask Image mask |
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*/ |
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virtual void apply(int index, Point corner, InputOutputArray image, InputArray mask) = 0; |
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}; |
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/** @brief Stub exposure compensator which does nothing. |
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*/ |
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class CV_EXPORTS NoExposureCompensator : public ExposureCompensator |
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{ |
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public: |
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void feed(const std::vector<Point> &/*corners*/, const std::vector<UMat> &/*images*/, |
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const std::vector<std::pair<UMat,uchar> > &/*masks*/) CV_OVERRIDE { } |
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void apply(int /*index*/, Point /*corner*/, InputOutputArray /*image*/, InputArray /*mask*/) CV_OVERRIDE { } |
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}; |
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/** @brief Exposure compensator which tries to remove exposure related artifacts by adjusting image |
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intensities, see @cite BL07 and @cite WJ10 for details. |
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*/ |
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class CV_EXPORTS GainCompensator : public ExposureCompensator |
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{ |
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public: |
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void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, |
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const std::vector<std::pair<UMat,uchar> > &masks) CV_OVERRIDE; |
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void apply(int index, Point corner, InputOutputArray image, InputArray mask) CV_OVERRIDE; |
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std::vector<double> gains() const; |
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private: |
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Mat_<double> gains_; |
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}; |
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/** @brief Exposure compensator which tries to remove exposure related artifacts by adjusting image block |
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intensities, see @cite UES01 for details. |
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*/ |
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class CV_EXPORTS BlocksGainCompensator : public ExposureCompensator |
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{ |
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public: |
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BlocksGainCompensator(int bl_width = 32, int bl_height = 32) |
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: bl_width_(bl_width), bl_height_(bl_height) {} |
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void feed(const std::vector<Point> &corners, const std::vector<UMat> &images, |
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const std::vector<std::pair<UMat,uchar> > &masks) CV_OVERRIDE; |
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void apply(int index, Point corner, InputOutputArray image, InputArray mask) CV_OVERRIDE; |
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private: |
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int bl_width_, bl_height_; |
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std::vector<UMat> gain_maps_; |
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}; |
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//! @} |
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} // namespace detail |
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} // namespace cv |
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#endif // OPENCV_STITCHING_EXPOSURE_COMPENSATE_HPP
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