Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLCore/src/ICLCore/BayerConverter.h ** 00010 ** Module : ICLCore ** 00011 ** Authors: Michael Goetting, Felix Reinhard, Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLUtils/CompatMacros.h> 00034 #include <ICLCore/Img.h> 00035 #include <ICLUtils/Uncopyable.h> 00036 00037 namespace icl { 00038 namespace core{ 00039 00041 00043 class ICLCore_API BayerConverter : public utils::Uncopyable{ 00044 public: 00045 00046 enum bayerConverterMethod { 00047 nearestNeighbor = 0, 00048 simple, 00049 bilinear, 00050 hqLinear, 00051 edgeSense, 00052 vng 00053 }; 00054 00055 enum bayerPattern { 00056 bayerPattern_RGGB = 512, 00057 bayerPattern_GBRG, 00058 bayerPattern_GRBG, 00059 bayerPattern_BGGR 00060 }; 00061 00062 00064 BayerConverter(const std::string &pattern="RGGB", 00065 const std::string &method="bilinear"); 00066 00068 00070 BayerConverter(bayerPattern eBayerPattern, 00071 bayerConverterMethod eConvMethod=bilinear, 00072 const utils::Size &sizeHint = utils::Size::null); 00073 ~BayerConverter(); 00074 00076 00077 void apply(const Img8u *src, ImgBase **dst); 00078 00079 inline void setBayerPattern(bayerPattern eBayerPattern) { 00080 m_eBayerPattern = eBayerPattern; 00081 } 00082 00083 inline void setConverterMethod(bayerConverterMethod eConvMethod) { 00084 m_eConvMethod = eConvMethod; 00085 } 00086 00087 inline void setBayerPattern(const std::string &pattern){ 00088 setBayerPattern(translateBayerPattern(pattern)); 00089 } 00090 00091 inline void setMethod(const std::string &method){ 00092 setConverterMethod(translateBayerConverterMethod(method)); 00093 } 00094 00095 00096 static std::string translateBayerConverterMethod(bayerConverterMethod ebcm); 00097 static bayerConverterMethod translateBayerConverterMethod(std::string sbcm); 00098 00099 static std::string translateBayerPattern(bayerPattern ebp); 00100 static bayerPattern translateBayerPattern(std::string sbp); 00101 00103 00111 static void convert_bayer_to_gray(const Img8u &src, Img8u &dst, const std::string &pattern); 00112 00113 private: 00115 std::vector<icl8u> m_buffer; 00116 00117 bayerConverterMethod m_eConvMethod; 00118 bayerPattern m_eBayerPattern; 00119 #ifdef ICL_HAVE_IPP 00120 IppiBayerGrid m_IppBayerPattern; 00121 #endif 00122 00123 // Interpolation methods 00124 void nnInterpolation(const Img8u *poBayerImg); 00125 void bilinearInterpolation(const Img8u *poBayerImg); 00126 void hqLinearInterpolation(const Img8u *poBayerImg); 00127 void edgeSenseInterpolation(const Img8u *poBayerImg); 00128 void simpleInterpolation(const Img8u *poBayerImg); 00129 #ifdef ICL_HAVE_IPP 00130 void nnInterpolationIpp(const Img8u *poBayerImg); 00131 #endif 00132 00133 // Utility functions 00134 void clearBorders(icl8u *rgb, int sx, int sy, int w); 00135 inline void clip(int *iIn, icl8u *iOut) { 00136 *iOut = *iIn = *iIn < 0 ? 0 : *iIn > 255 ? 255 : 0; 00137 } 00138 }; 00139 00140 } // namespace core 00141 } // namespace icl 00142