Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/ImageToolbox.cpp @ 1332:be614695747d broker
std::string in viewport ctor
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 31 Mar 2020 10:59:00 +0200 |
parents | 86400fa16091 |
children | 30deba7bc8e2 |
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 Affero 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 * Affero 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 Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 #include "ImageToolbox.h" |
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22 |
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23 #include "../StoneException.h" |
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24 |
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25 #include <Core/Images/ImageProcessing.h> |
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26 #include <Core/Images/PixelTraits.h> |
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27 |
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28 #include <Core/Logging.h> |
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29 #include <Core/OrthancException.h> |
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30 |
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31 #include <boost/static_assert.hpp> |
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32 #include <boost/type_traits.hpp> |
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33 |
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34 #include <vector> |
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35 |
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36 namespace OrthancStone |
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37 { |
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38 namespace |
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39 { |
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40 using Orthanc::PixelTraits; |
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41 using Orthanc::PixelFormat; |
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42 using Orthanc::ImageAccessor; |
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43 using Orthanc::PixelFormat; |
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44 |
1288 | 45 template<typename Orthanc::PixelFormat Format> |
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46 class PixelBinner |
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47 { |
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48 // "PixelBinner requires an arithmetic (integer or floating-point) pixel format" |
1288 | 49 typedef typename Orthanc::PixelTraits<Format>::PixelType PixelType; |
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50 BOOST_STATIC_ASSERT(boost::is_arithmetic<PixelType>::value); |
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51 |
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52 public: |
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53 PixelBinner(HistogramData& hd, double minValue, double maxValue) |
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54 : hd_(hd) |
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55 , minValue_(minValue) |
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56 , maxValue_(maxValue) |
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57 , division_(1.0 / hd_.binSize) |
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58 { |
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59 ORTHANC_ASSERT(hd_.bins.size() > 0); |
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60 ORTHANC_ASSERT(maxValue > minValue); |
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61 } |
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62 |
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63 ORTHANC_FORCE_INLINE void AddPixel(PixelType p) |
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64 { |
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65 if (p <= minValue_) |
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66 { |
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67 hd_.bins[0] += 1; |
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68 } |
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69 else if (p >= maxValue_) |
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70 { |
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71 hd_.bins.back() += 1; |
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72 } |
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73 else |
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74 { |
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75 double distanceFromMin = p - minValue_; |
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76 size_t binIndex = static_cast<size_t>( |
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77 std::floor(distanceFromMin * division_)); |
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78 if (binIndex >= hd_.bins.size()) |
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79 binIndex = hd_.bins.size() - 1; |
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80 hd_.bins[binIndex] += 1; |
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81 } |
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82 } |
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83 private: |
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84 HistogramData& hd_; |
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85 double minValue_; |
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86 double maxValue_; |
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87 double division_; |
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88 }; |
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89 |
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90 template<PixelFormat Format> |
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91 struct Histogram |
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92 { |
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93 typedef typename PixelTraits<Format>::PixelType PixelType; |
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94 |
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95 static void Apply(const Orthanc::ImageAccessor& img, HistogramData& hd, |
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96 double minValue = 0, |
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97 double maxValue = 0) |
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98 { |
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99 ORTHANC_ASSERT(Format == img.GetFormat(), |
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100 "Internal error. Wrong template histogram type"); |
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101 |
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102 const size_t height = img.GetHeight(); |
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103 const size_t width = img.GetHeight(); |
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104 |
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105 if ((minValue == 0) && (maxValue == 0)) |
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106 { |
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107 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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108 //ORTHANC_ASSERT(boost::is_integral<PixelType>::value, |
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109 // "Min and max values must be supplied for float-based histogram"); |
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110 // |
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111 //PixelTraits<Format>::SetMinValue(minValue); |
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112 //PixelTraits<Format>::SetMaxValue(maxValue); |
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113 } |
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114 |
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115 hd.minValue = minValue; |
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116 |
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117 // the following code is not really pretty but ensures |
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118 size_t numBins = static_cast<size_t>( |
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119 std::ceil((maxValue - minValue) / hd.binSize)); |
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120 |
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121 hd.bins.resize(numBins); |
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122 std::fill(hd.bins.begin(), hd.bins.end(), 0); |
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123 |
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124 PixelBinner<Format> binner(hd, minValue, maxValue); |
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125 for (uint32_t y = 0; y < height; ++y) |
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126 { |
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127 const PixelType* curPix = reinterpret_cast<const PixelType*>( |
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128 img.GetConstRow(y)); |
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129 |
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130 for (uint32_t x = 0; x < width; x++, curPix++) |
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131 { |
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132 binner.AddPixel(*curPix); |
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133 } |
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134 } |
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135 } |
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136 }; |
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137 |
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138 |
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139 template<PixelFormat Format> |
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140 struct ComputeMinMax__ |
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141 { |
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142 typedef typename PixelTraits<Format>::PixelType PixelType; |
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143 |
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144 static void Apply(const Orthanc::ImageAccessor& img, |
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145 PixelType& minValue, PixelType& maxValue) |
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146 { |
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147 ORTHANC_ASSERT(Format == img.GetFormat(), |
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148 "Internal error. Wrong template histogram type"); |
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149 |
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150 const size_t height = img.GetHeight(); |
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151 const size_t width = img.GetHeight(); |
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152 |
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153 if (height * width == 0) |
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154 { |
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155 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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156 } |
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157 |
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158 // min and max are crossed below. Think about it. This is OK :) |
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159 PixelTraits<Format>::SetMaxValue(minValue); |
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160 PixelTraits<Format>::SetMinValue(maxValue); |
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161 |
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162 for (uint32_t y = 0; y < height; ++y) |
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163 { |
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164 const PixelType* curPix = reinterpret_cast<const PixelType*>( |
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165 img.GetConstRow(y)); |
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166 |
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167 for (uint32_t x = 0; x < width; x++, curPix++) |
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168 { |
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169 if (*curPix <= minValue) |
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170 minValue = *curPix; |
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171 if (*curPix >= maxValue) |
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172 maxValue = *curPix; |
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173 } |
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174 } |
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175 } |
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176 }; |
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177 |
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178 template<PixelFormat Format> |
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179 void ComputeMinMax_(const Orthanc::ImageAccessor& img, |
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180 double& minValue, double& maxValue) |
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181 { |
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182 typedef typename PixelTraits<Format>::PixelType PixelType; |
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183 PixelType minValuePix = PixelType(); |
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184 PixelType maxValuePix = PixelType(); |
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185 ComputeMinMax__<Format>::Apply(img, minValuePix, maxValuePix); |
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186 minValue = static_cast<double>(minValuePix); |
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187 maxValue = static_cast<double>(maxValuePix); |
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188 } |
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189 |
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190 template<PixelFormat Format> |
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191 void ComputeHistogram_(const Orthanc::ImageAccessor& img, HistogramData& hd) |
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192 { |
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193 typedef typename PixelTraits<Format>::PixelType PixelType; |
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194 PixelType minValue = PixelType(); |
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195 PixelType maxValue = PixelType(); |
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196 ComputeMinMax__<Format>::Apply(img, minValue, maxValue); |
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197 |
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198 // make bins a little bigger to center integer pixel values |
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199 Histogram<Format>::Apply(img, hd, |
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200 static_cast<double>(minValue) - 0.5, |
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201 static_cast<double>(maxValue) + 0.5); |
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202 } |
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203 } |
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204 |
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205 void ComputeHistogram(const Orthanc::ImageAccessor& img, |
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206 HistogramData& hd, double binSize) |
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207 { |
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208 using namespace Orthanc; |
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209 |
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210 hd.binSize = binSize; |
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211 |
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212 // dynamic/static bridge |
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213 switch (img.GetFormat()) |
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214 { |
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215 case PixelFormat_Grayscale8: |
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216 ComputeHistogram_<PixelFormat_Grayscale8> (img, hd); |
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217 break; |
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218 case PixelFormat_Grayscale16: |
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219 ComputeHistogram_<PixelFormat_Grayscale16> (img, hd); |
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220 break; |
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221 case PixelFormat_SignedGrayscale16: |
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222 ComputeHistogram_<PixelFormat_SignedGrayscale16>(img, hd); |
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223 break; |
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224 case PixelFormat_Float32: |
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225 ComputeHistogram_<PixelFormat_Float32> (img, hd); |
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226 break; |
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227 case PixelFormat_Grayscale32: |
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228 ComputeHistogram_<PixelFormat_Grayscale32> (img, hd); |
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229 break; |
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230 case PixelFormat_Grayscale64: |
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231 ComputeHistogram_<PixelFormat_Grayscale64> (img, hd); |
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232 break; |
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233 default: |
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234 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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235 } |
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236 } |
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237 |
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238 void ComputeMinMax(const Orthanc::ImageAccessor& img, |
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239 double& minValue, double& maxValue) |
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240 { |
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241 using namespace Orthanc; |
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242 |
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243 // dynamic/static bridge |
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244 switch (img.GetFormat()) |
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245 { |
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246 case PixelFormat_Grayscale8: |
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247 ComputeMinMax_<PixelFormat_Grayscale8> (img, minValue, maxValue); |
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248 break; |
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249 case PixelFormat_Grayscale16: |
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250 ComputeMinMax_<PixelFormat_Grayscale16> (img, minValue, maxValue); |
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251 break; |
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252 case PixelFormat_SignedGrayscale16: |
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253 ComputeMinMax_<PixelFormat_SignedGrayscale16>(img, minValue, maxValue); |
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254 break; |
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255 case PixelFormat_Float32: |
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256 ComputeMinMax_<PixelFormat_Float32> (img, minValue, maxValue); |
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257 break; |
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258 case PixelFormat_Grayscale32: |
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259 ComputeMinMax_<PixelFormat_Grayscale32> (img, minValue, maxValue); |
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260 break; |
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261 case PixelFormat_Grayscale64: |
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262 ComputeMinMax_<PixelFormat_Grayscale64> (img, minValue, maxValue); |
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263 break; |
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264 default: |
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265 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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266 } |
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267 |
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268 } |
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269 |
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270 void DumpHistogramResult(std::string& s, const HistogramData& hd) |
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271 { |
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272 std::stringstream ss; |
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273 ss << "Histogram:\n"; |
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274 ss << "==========\n"; |
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275 ss << "\n"; |
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276 ss << "minValue : " << hd.minValue << "\n"; |
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277 ss << "binSize : " << hd.binSize << "\n"; |
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278 ss << "bins.size() : " << hd.bins.size() << "\n"; |
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279 ss << "bins :\n"; |
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280 double curBinStart = hd.minValue; |
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281 size_t pixCount = 0; |
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282 for (size_t i = 0; i < hd.bins.size(); ++i) |
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283 { |
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284 ss << "index: " << i << " (from " << curBinStart << " to " |
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285 << curBinStart + hd.binSize << ") : " << hd.bins[i] << " pixels\n"; |
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286 curBinStart += hd.binSize; |
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287 pixCount += hd.bins[i]; |
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288 } |
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289 ss << "total pix. count: " << pixCount << "\n"; |
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290 s = ss.str(); |
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291 } |
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292 } |