Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/ImageToolbox.cpp @ 1600:b253b79906fa
clarifying variable names: frameIndex vs numberIndex
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 28 Oct 2020 15:23:26 +0100 |
parents | 8563ea5d8ae4 |
children | 9ac2a65d4172 |
rev | line source |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 #include "../OrthancStone.h" |
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23 #include "ImageToolbox.h" |
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24 |
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25 #include "../StoneException.h" |
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26 |
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27 #include <Images/ImageProcessing.h> |
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28 #include <Images/PixelTraits.h> |
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29 |
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30 #include <Logging.h> |
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31 #include <OrthancException.h> |
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32 |
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33 #include <boost/static_assert.hpp> |
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34 #include <boost/type_traits.hpp> |
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35 |
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36 #include <vector> |
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37 |
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38 #if !defined(ORTHANC_ENABLE_DCMTK) |
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39 # error ORTHANC_ENABLE_DCMTK is not defined |
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40 #endif |
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41 |
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42 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG) |
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43 # error ORTHANC_ENABLE_DCMTK_JPEG is not defined |
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44 #endif |
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45 |
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46 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS) |
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47 # error ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS is not defined |
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48 #endif |
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49 |
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50 |
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51 namespace OrthancStone |
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52 { |
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53 namespace |
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54 { |
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55 using Orthanc::PixelTraits; |
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56 using Orthanc::PixelFormat; |
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57 using Orthanc::ImageAccessor; |
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58 using Orthanc::PixelFormat; |
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59 |
1288 | 60 template<typename Orthanc::PixelFormat Format> |
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61 class PixelBinner |
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62 { |
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63 // "PixelBinner requires an arithmetic (integer or floating-point) pixel format" |
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65 BOOST_STATIC_ASSERT(boost::is_arithmetic<PixelType>::value); |
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66 |
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67 public: |
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68 PixelBinner(HistogramData& hd, double minValue, double maxValue) |
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69 : hd_(hd) |
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70 , minValue_(minValue) |
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71 , maxValue_(maxValue) |
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72 , division_(1.0 / hd_.binSize) |
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73 { |
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74 ORTHANC_ASSERT(hd_.bins.size() > 0); |
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75 ORTHANC_ASSERT(maxValue > minValue); |
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76 } |
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77 |
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78 ORTHANC_FORCE_INLINE void AddPixel(PixelType p) |
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79 { |
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80 if (p <= minValue_) |
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81 { |
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82 hd_.bins[0] += 1; |
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83 } |
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84 else if (p >= maxValue_) |
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85 { |
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86 hd_.bins.back() += 1; |
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87 } |
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88 else |
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89 { |
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90 double distanceFromMin = p - minValue_; |
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91 size_t binIndex = static_cast<size_t>( |
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92 std::floor(distanceFromMin * division_)); |
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93 if (binIndex >= hd_.bins.size()) |
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94 binIndex = hd_.bins.size() - 1; |
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95 hd_.bins[binIndex] += 1; |
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96 } |
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97 } |
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98 private: |
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99 HistogramData& hd_; |
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100 double minValue_; |
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101 double maxValue_; |
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102 double division_; |
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103 }; |
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104 |
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105 template<PixelFormat Format> |
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106 struct Histogram |
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107 { |
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108 typedef typename PixelTraits<Format>::PixelType PixelType; |
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109 |
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110 static void Apply(const Orthanc::ImageAccessor& img, HistogramData& hd, |
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111 double minValue = 0, |
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112 double maxValue = 0) |
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113 { |
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114 ORTHANC_ASSERT(Format == img.GetFormat(), |
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115 "Internal error. Wrong template histogram type"); |
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116 |
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117 const size_t height = img.GetHeight(); |
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118 const size_t width = img.GetHeight(); |
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119 |
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120 if ((minValue == 0) && (maxValue == 0)) |
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121 { |
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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123 //ORTHANC_ASSERT(boost::is_integral<PixelType>::value, |
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124 // "Min and max values must be supplied for float-based histogram"); |
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125 // |
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126 //PixelTraits<Format>::SetMinValue(minValue); |
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127 //PixelTraits<Format>::SetMaxValue(maxValue); |
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128 } |
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129 |
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130 hd.minValue = minValue; |
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131 |
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132 // the following code is not really pretty but ensures |
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133 size_t numBins = static_cast<size_t>( |
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134 std::ceil((maxValue - minValue) / hd.binSize)); |
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135 |
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136 hd.bins.resize(numBins); |
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137 std::fill(hd.bins.begin(), hd.bins.end(), 0); |
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138 |
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139 PixelBinner<Format> binner(hd, minValue, maxValue); |
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140 for (uint32_t y = 0; y < height; ++y) |
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141 { |
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142 const PixelType* curPix = reinterpret_cast<const PixelType*>( |
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143 img.GetConstRow(y)); |
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144 |
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145 for (uint32_t x = 0; x < width; x++, curPix++) |
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146 { |
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147 binner.AddPixel(*curPix); |
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148 } |
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149 } |
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150 } |
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151 }; |
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152 |
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153 |
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154 template<PixelFormat Format> |
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155 struct ComputeMinMax__ |
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156 { |
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157 typedef typename PixelTraits<Format>::PixelType PixelType; |
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158 |
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159 static void Apply(const Orthanc::ImageAccessor& img, |
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160 PixelType& minValue, PixelType& maxValue) |
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161 { |
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162 ORTHANC_ASSERT(Format == img.GetFormat(), |
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163 "Internal error. Wrong template histogram type"); |
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164 |
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165 const size_t height = img.GetHeight(); |
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166 const size_t width = img.GetHeight(); |
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167 |
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168 if (height * width == 0) |
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169 { |
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170 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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171 } |
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172 |
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173 // min and max are crossed below. Think about it. This is OK :) |
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174 PixelTraits<Format>::SetMaxValue(minValue); |
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175 PixelTraits<Format>::SetMinValue(maxValue); |
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176 |
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177 for (uint32_t y = 0; y < height; ++y) |
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178 { |
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179 const PixelType* curPix = reinterpret_cast<const PixelType*>( |
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180 img.GetConstRow(y)); |
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181 |
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182 for (uint32_t x = 0; x < width; x++, curPix++) |
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183 { |
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184 if (*curPix <= minValue) |
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185 minValue = *curPix; |
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186 if (*curPix >= maxValue) |
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187 maxValue = *curPix; |
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188 } |
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189 } |
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190 } |
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191 }; |
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192 |
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193 template<PixelFormat Format> |
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194 void ComputeMinMax_(const Orthanc::ImageAccessor& img, |
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195 double& minValue, double& maxValue) |
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196 { |
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197 typedef typename PixelTraits<Format>::PixelType PixelType; |
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198 PixelType minValuePix = PixelType(); |
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199 PixelType maxValuePix = PixelType(); |
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200 ComputeMinMax__<Format>::Apply(img, minValuePix, maxValuePix); |
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201 minValue = static_cast<double>(minValuePix); |
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202 maxValue = static_cast<double>(maxValuePix); |
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203 } |
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204 |
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205 template<PixelFormat Format> |
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206 void ComputeHistogram_(const Orthanc::ImageAccessor& img, HistogramData& hd) |
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207 { |
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208 typedef typename PixelTraits<Format>::PixelType PixelType; |
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209 PixelType minValue = PixelType(); |
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210 PixelType maxValue = PixelType(); |
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211 ComputeMinMax__<Format>::Apply(img, minValue, maxValue); |
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212 |
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213 // make bins a little bigger to center integer pixel values |
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214 Histogram<Format>::Apply(img, hd, |
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215 static_cast<double>(minValue) - 0.5, |
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216 static_cast<double>(maxValue) + 0.5); |
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217 } |
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218 } |
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219 |
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220 void ComputeHistogram(const Orthanc::ImageAccessor& img, |
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221 HistogramData& hd, double binSize) |
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222 { |
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223 using namespace Orthanc; |
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224 |
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225 hd.binSize = binSize; |
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226 |
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227 // dynamic/static bridge |
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228 switch (img.GetFormat()) |
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229 { |
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230 case PixelFormat_Grayscale8: |
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231 ComputeHistogram_<PixelFormat_Grayscale8> (img, hd); |
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232 break; |
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233 case PixelFormat_Grayscale16: |
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234 ComputeHistogram_<PixelFormat_Grayscale16> (img, hd); |
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235 break; |
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236 case PixelFormat_SignedGrayscale16: |
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237 ComputeHistogram_<PixelFormat_SignedGrayscale16>(img, hd); |
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238 break; |
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239 case PixelFormat_Float32: |
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240 ComputeHistogram_<PixelFormat_Float32> (img, hd); |
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241 break; |
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242 case PixelFormat_Grayscale32: |
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243 ComputeHistogram_<PixelFormat_Grayscale32> (img, hd); |
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244 break; |
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245 case PixelFormat_Grayscale64: |
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246 ComputeHistogram_<PixelFormat_Grayscale64> (img, hd); |
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247 break; |
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248 default: |
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249 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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250 } |
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251 } |
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252 |
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253 void ComputeMinMax(const Orthanc::ImageAccessor& img, |
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254 double& minValue, double& maxValue) |
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255 { |
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256 using namespace Orthanc; |
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257 |
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258 // dynamic/static bridge |
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259 switch (img.GetFormat()) |
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260 { |
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261 case PixelFormat_Grayscale8: |
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262 ComputeMinMax_<PixelFormat_Grayscale8> (img, minValue, maxValue); |
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263 break; |
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264 case PixelFormat_Grayscale16: |
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265 ComputeMinMax_<PixelFormat_Grayscale16> (img, minValue, maxValue); |
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266 break; |
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267 case PixelFormat_SignedGrayscale16: |
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268 ComputeMinMax_<PixelFormat_SignedGrayscale16>(img, minValue, maxValue); |
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269 break; |
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270 case PixelFormat_Float32: |
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271 ComputeMinMax_<PixelFormat_Float32> (img, minValue, maxValue); |
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272 break; |
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273 case PixelFormat_Grayscale32: |
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274 ComputeMinMax_<PixelFormat_Grayscale32> (img, minValue, maxValue); |
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275 break; |
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276 case PixelFormat_Grayscale64: |
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277 ComputeMinMax_<PixelFormat_Grayscale64> (img, minValue, maxValue); |
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278 break; |
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279 default: |
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280 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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281 } |
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282 |
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283 } |
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284 |
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285 void DumpHistogramResult(std::string& s, const HistogramData& hd) |
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286 { |
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287 std::stringstream ss; |
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288 ss << "Histogram:\n"; |
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289 ss << "==========\n"; |
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290 ss << "\n"; |
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291 ss << "minValue : " << hd.minValue << "\n"; |
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292 ss << "binSize : " << hd.binSize << "\n"; |
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293 ss << "bins.size() : " << hd.bins.size() << "\n"; |
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294 ss << "bins :\n"; |
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295 double curBinStart = hd.minValue; |
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296 size_t pixCount = 0; |
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297 for (size_t i = 0; i < hd.bins.size(); ++i) |
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298 { |
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299 ss << "index: " << i << " (from " << curBinStart << " to " |
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300 << curBinStart + hd.binSize << ") : " << hd.bins[i] << " pixels\n"; |
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301 curBinStart += hd.binSize; |
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302 pixCount += hd.bins[i]; |
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303 } |
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304 ss << "total pix. count: " << pixCount << "\n"; |
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305 s = ss.str(); |
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306 } |
1484
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307 |
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308 |
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309 bool ImageToolbox::IsDecodingSupported(Orthanc::DicomTransferSyntax& transferSyntax) |
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310 { |
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311 switch (transferSyntax) |
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312 { |
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313 case Orthanc::DicomTransferSyntax_LittleEndianImplicit: |
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314 case Orthanc::DicomTransferSyntax_LittleEndianExplicit: |
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315 case Orthanc::DicomTransferSyntax_DeflatedLittleEndianExplicit: |
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316 case Orthanc::DicomTransferSyntax_BigEndianExplicit: |
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317 case Orthanc::DicomTransferSyntax_RLELossless: |
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318 return true; |
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319 |
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320 #if (ORTHANC_ENABLE_DCMTK == 1) && (ORTHANC_ENABLE_DCMTK_JPEG == 1) |
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321 case Orthanc::DicomTransferSyntax_JPEGProcess1: |
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322 case Orthanc::DicomTransferSyntax_JPEGProcess2_4: |
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323 case Orthanc::DicomTransferSyntax_JPEGProcess14: |
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324 case Orthanc::DicomTransferSyntax_JPEGProcess14SV1: |
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325 return true; |
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326 #endif |
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327 |
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328 #if (ORTHANC_ENABLE_DCMTK == 1) && (ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS == 1) |
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329 case Orthanc::DicomTransferSyntax_JPEGLSLossless: |
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330 case Orthanc::DicomTransferSyntax_JPEGLSLossy: |
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331 return true; |
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332 #endif |
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333 |
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334 default: |
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335 return false; |
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336 } |
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337 } |
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338 } |