Joe Verbout / Mbed 2 deprecated main

opencv on mbed

Dependencies:   mbed

opencv2/stitching/detail/blenders.hpp@0:ea44dc9ed014, 2016-03-31 (annotated)

Committer:
joeverbout
Date:
Thu Mar 31 21:16:38 2016 +0000
Revision:
0:ea44dc9ed014
OpenCV on mbed attempt

Who changed what in which revision?

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joeverbout 0:ea44dc9ed014 1 /*M///////////////////////////////////////////////////////////////////////////////////////
joeverbout 0:ea44dc9ed014 2 //
joeverbout 0:ea44dc9ed014 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
joeverbout 0:ea44dc9ed014 4 //
joeverbout 0:ea44dc9ed014 5 // By downloading, copying, installing or using the software you agree to this license.
joeverbout 0:ea44dc9ed014 6 // If you do not agree to this license, do not download, install,
joeverbout 0:ea44dc9ed014 7 // copy or use the software.
joeverbout 0:ea44dc9ed014 8 //
joeverbout 0:ea44dc9ed014 9 //
joeverbout 0:ea44dc9ed014 10 // License Agreement
joeverbout 0:ea44dc9ed014 11 // For Open Source Computer Vision Library
joeverbout 0:ea44dc9ed014 12 //
joeverbout 0:ea44dc9ed014 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
joeverbout 0:ea44dc9ed014 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
joeverbout 0:ea44dc9ed014 15 // Third party copyrights are property of their respective owners.
joeverbout 0:ea44dc9ed014 16 //
joeverbout 0:ea44dc9ed014 17 // Redistribution and use in source and binary forms, with or without modification,
joeverbout 0:ea44dc9ed014 18 // are permitted provided that the following conditions are met:
joeverbout 0:ea44dc9ed014 19 //
joeverbout 0:ea44dc9ed014 20 // * Redistribution's of source code must retain the above copyright notice,
joeverbout 0:ea44dc9ed014 21 // this list of conditions and the following disclaimer.
joeverbout 0:ea44dc9ed014 22 //
joeverbout 0:ea44dc9ed014 23 // * Redistribution's in binary form must reproduce the above copyright notice,
joeverbout 0:ea44dc9ed014 24 // this list of conditions and the following disclaimer in the documentation
joeverbout 0:ea44dc9ed014 25 // and/or other materials provided with the distribution.
joeverbout 0:ea44dc9ed014 26 //
joeverbout 0:ea44dc9ed014 27 // * The name of the copyright holders may not be used to endorse or promote products
joeverbout 0:ea44dc9ed014 28 // derived from this software without specific prior written permission.
joeverbout 0:ea44dc9ed014 29 //
joeverbout 0:ea44dc9ed014 30 // This software is provided by the copyright holders and contributors "as is" and
joeverbout 0:ea44dc9ed014 31 // any express or implied warranties, including, but not limited to, the implied
joeverbout 0:ea44dc9ed014 32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
joeverbout 0:ea44dc9ed014 33 // In no event shall the Intel Corporation or contributors be liable for any direct,
joeverbout 0:ea44dc9ed014 34 // indirect, incidental, special, exemplary, or consequential damages
joeverbout 0:ea44dc9ed014 35 // (including, but not limited to, procurement of substitute goods or services;
joeverbout 0:ea44dc9ed014 36 // loss of use, data, or profits; or business interruption) however caused
joeverbout 0:ea44dc9ed014 37 // and on any theory of liability, whether in contract, strict liability,
joeverbout 0:ea44dc9ed014 38 // or tort (including negligence or otherwise) arising in any way out of
joeverbout 0:ea44dc9ed014 39 // the use of this software, even if advised of the possibility of such damage.
joeverbout 0:ea44dc9ed014 40 //
joeverbout 0:ea44dc9ed014 41 //M*/
joeverbout 0:ea44dc9ed014 42
joeverbout 0:ea44dc9ed014 43 #ifndef __OPENCV_STITCHING_BLENDERS_HPP__
joeverbout 0:ea44dc9ed014 44 #define __OPENCV_STITCHING_BLENDERS_HPP__
joeverbout 0:ea44dc9ed014 45
joeverbout 0:ea44dc9ed014 46 #include "opencv2/core.hpp"
joeverbout 0:ea44dc9ed014 47
joeverbout 0:ea44dc9ed014 48 namespace cv {
joeverbout 0:ea44dc9ed014 49 namespace detail {
joeverbout 0:ea44dc9ed014 50
joeverbout 0:ea44dc9ed014 51 //! @addtogroup stitching_blend
joeverbout 0:ea44dc9ed014 52 //! @{
joeverbout 0:ea44dc9ed014 53
joeverbout 0:ea44dc9ed014 54 /** @brief Base class for all blenders.
joeverbout 0:ea44dc9ed014 55
joeverbout 0:ea44dc9ed014 56 Simple blender which puts one image over another
joeverbout 0:ea44dc9ed014 57 */
joeverbout 0:ea44dc9ed014 58 class CV_EXPORTS Blender
joeverbout 0:ea44dc9ed014 59 {
joeverbout 0:ea44dc9ed014 60 public:
joeverbout 0:ea44dc9ed014 61 virtual ~Blender() {}
joeverbout 0:ea44dc9ed014 62
joeverbout 0:ea44dc9ed014 63 enum { NO, FEATHER, MULTI_BAND };
joeverbout 0:ea44dc9ed014 64 static Ptr<Blender> createDefault(int type, bool try_gpu = false);
joeverbout 0:ea44dc9ed014 65
joeverbout 0:ea44dc9ed014 66 /** @brief Prepares the blender for blending.
joeverbout 0:ea44dc9ed014 67
joeverbout 0:ea44dc9ed014 68 @param corners Source images top-left corners
joeverbout 0:ea44dc9ed014 69 @param sizes Source image sizes
joeverbout 0:ea44dc9ed014 70 */
joeverbout 0:ea44dc9ed014 71 void prepare(const std::vector<Point> &corners, const std::vector<Size> &sizes);
joeverbout 0:ea44dc9ed014 72 /** @overload */
joeverbout 0:ea44dc9ed014 73 virtual void prepare(Rect dst_roi);
joeverbout 0:ea44dc9ed014 74 /** @brief Processes the image.
joeverbout 0:ea44dc9ed014 75
joeverbout 0:ea44dc9ed014 76 @param img Source image
joeverbout 0:ea44dc9ed014 77 @param mask Source image mask
joeverbout 0:ea44dc9ed014 78 @param tl Source image top-left corners
joeverbout 0:ea44dc9ed014 79 */
joeverbout 0:ea44dc9ed014 80 virtual void feed(InputArray img, InputArray mask, Point tl);
joeverbout 0:ea44dc9ed014 81 /** @brief Blends and returns the final pano.
joeverbout 0:ea44dc9ed014 82
joeverbout 0:ea44dc9ed014 83 @param dst Final pano
joeverbout 0:ea44dc9ed014 84 @param dst_mask Final pano mask
joeverbout 0:ea44dc9ed014 85 */
joeverbout 0:ea44dc9ed014 86 virtual void blend(InputOutputArray dst, InputOutputArray dst_mask);
joeverbout 0:ea44dc9ed014 87
joeverbout 0:ea44dc9ed014 88 protected:
joeverbout 0:ea44dc9ed014 89 UMat dst_, dst_mask_;
joeverbout 0:ea44dc9ed014 90 Rect dst_roi_;
joeverbout 0:ea44dc9ed014 91 };
joeverbout 0:ea44dc9ed014 92
joeverbout 0:ea44dc9ed014 93 /** @brief Simple blender which mixes images at its borders.
joeverbout 0:ea44dc9ed014 94 */
joeverbout 0:ea44dc9ed014 95 class CV_EXPORTS FeatherBlender : public Blender
joeverbout 0:ea44dc9ed014 96 {
joeverbout 0:ea44dc9ed014 97 public:
joeverbout 0:ea44dc9ed014 98 FeatherBlender(float sharpness = 0.02f);
joeverbout 0:ea44dc9ed014 99
joeverbout 0:ea44dc9ed014 100 float sharpness() const { return sharpness_; }
joeverbout 0:ea44dc9ed014 101 void setSharpness(float val) { sharpness_ = val; }
joeverbout 0:ea44dc9ed014 102
joeverbout 0:ea44dc9ed014 103 void prepare(Rect dst_roi);
joeverbout 0:ea44dc9ed014 104 void feed(InputArray img, InputArray mask, Point tl);
joeverbout 0:ea44dc9ed014 105 void blend(InputOutputArray dst, InputOutputArray dst_mask);
joeverbout 0:ea44dc9ed014 106
joeverbout 0:ea44dc9ed014 107 //! Creates weight maps for fixed set of source images by their masks and top-left corners.
joeverbout 0:ea44dc9ed014 108 //! Final image can be obtained by simple weighting of the source images.
joeverbout 0:ea44dc9ed014 109 Rect createWeightMaps(const std::vector<UMat> &masks, const std::vector<Point> &corners,
joeverbout 0:ea44dc9ed014 110 std::vector<UMat> &weight_maps);
joeverbout 0:ea44dc9ed014 111
joeverbout 0:ea44dc9ed014 112 private:
joeverbout 0:ea44dc9ed014 113 float sharpness_;
joeverbout 0:ea44dc9ed014 114 UMat weight_map_;
joeverbout 0:ea44dc9ed014 115 UMat dst_weight_map_;
joeverbout 0:ea44dc9ed014 116 };
joeverbout 0:ea44dc9ed014 117
joeverbout 0:ea44dc9ed014 118 inline FeatherBlender::FeatherBlender(float _sharpness) { setSharpness(_sharpness); }
joeverbout 0:ea44dc9ed014 119
joeverbout 0:ea44dc9ed014 120 /** @brief Blender which uses multi-band blending algorithm (see @cite BA83).
joeverbout 0:ea44dc9ed014 121 */
joeverbout 0:ea44dc9ed014 122 class CV_EXPORTS MultiBandBlender : public Blender
joeverbout 0:ea44dc9ed014 123 {
joeverbout 0:ea44dc9ed014 124 public:
joeverbout 0:ea44dc9ed014 125 MultiBandBlender(int try_gpu = false, int num_bands = 5, int weight_type = CV_32F);
joeverbout 0:ea44dc9ed014 126
joeverbout 0:ea44dc9ed014 127 int numBands() const { return actual_num_bands_; }
joeverbout 0:ea44dc9ed014 128 void setNumBands(int val) { actual_num_bands_ = val; }
joeverbout 0:ea44dc9ed014 129
joeverbout 0:ea44dc9ed014 130 void prepare(Rect dst_roi);
joeverbout 0:ea44dc9ed014 131 void feed(InputArray img, InputArray mask, Point tl);
joeverbout 0:ea44dc9ed014 132 void blend(InputOutputArray dst, InputOutputArray dst_mask);
joeverbout 0:ea44dc9ed014 133
joeverbout 0:ea44dc9ed014 134 private:
joeverbout 0:ea44dc9ed014 135 int actual_num_bands_, num_bands_;
joeverbout 0:ea44dc9ed014 136 std::vector<UMat> dst_pyr_laplace_;
joeverbout 0:ea44dc9ed014 137 std::vector<UMat> dst_band_weights_;
joeverbout 0:ea44dc9ed014 138 Rect dst_roi_final_;
joeverbout 0:ea44dc9ed014 139 bool can_use_gpu_;
joeverbout 0:ea44dc9ed014 140 int weight_type_; //CV_32F or CV_16S
joeverbout 0:ea44dc9ed014 141 };
joeverbout 0:ea44dc9ed014 142
joeverbout 0:ea44dc9ed014 143
joeverbout 0:ea44dc9ed014 144 //////////////////////////////////////////////////////////////////////////////
joeverbout 0:ea44dc9ed014 145 // Auxiliary functions
joeverbout 0:ea44dc9ed014 146
joeverbout 0:ea44dc9ed014 147 void CV_EXPORTS normalizeUsingWeightMap(InputArray weight, InputOutputArray src);
joeverbout 0:ea44dc9ed014 148
joeverbout 0:ea44dc9ed014 149 void CV_EXPORTS createWeightMap(InputArray mask, float sharpness, InputOutputArray weight);
joeverbout 0:ea44dc9ed014 150
joeverbout 0:ea44dc9ed014 151 void CV_EXPORTS createLaplacePyr(InputArray img, int num_levels, std::vector<UMat>& pyr);
joeverbout 0:ea44dc9ed014 152 void CV_EXPORTS createLaplacePyrGpu(InputArray img, int num_levels, std::vector<UMat>& pyr);
joeverbout 0:ea44dc9ed014 153
joeverbout 0:ea44dc9ed014 154 // Restores source image
joeverbout 0:ea44dc9ed014 155 void CV_EXPORTS restoreImageFromLaplacePyr(std::vector<UMat>& pyr);
joeverbout 0:ea44dc9ed014 156 void CV_EXPORTS restoreImageFromLaplacePyrGpu(std::vector<UMat>& pyr);
joeverbout 0:ea44dc9ed014 157
joeverbout 0:ea44dc9ed014 158 //! @}
joeverbout 0:ea44dc9ed014 159
joeverbout 0:ea44dc9ed014 160 } // namespace detail
joeverbout 0:ea44dc9ed014 161 } // namespace cv
joeverbout 0:ea44dc9ed014 162
joeverbout 0:ea44dc9ed014 163 #endif // __OPENCV_STITCHING_BLENDERS_HPP__
joeverbout 0:ea44dc9ed014 164