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annotate OrthancStone/Sources/Loaders/OrthancMultiframeVolumeLoader.h @ 1757:28979b77ce90

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Suppressed one pass on the dose distribution computation
author bgo@SHARKNADO.localdomain
date Mon, 26 Apr 2021 17:37:54 +0200
parents 9ac2a65d4172
children 3889ae96d2e9
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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) 2017-2021 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
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23 #pragma once
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24
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25 #include "LoaderStateMachine.h"
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26 #include "../Volumes/DicomVolumeImage.h"
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27 #include "../Volumes/IGeometryProvider.h"
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28
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29 #include <boost/shared_ptr.hpp>
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30
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31 namespace OrthancStone
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32 {
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33 class OrthancMultiframeVolumeLoader :
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34 public LoaderStateMachine,
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35 public IObservable,
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36 public IGeometryProvider
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37 {
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38 private:
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39 class LoadRTDoseGeometry;
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40 class LoadGeometry;
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41 class LoadTransferSyntax;
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42 class LoadUncompressedPixelData;
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43
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44 struct PixelCount
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45 {
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46 uint64_t count_;
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47 PixelCount() { count_ = 0; }
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48 };
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49
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50 boost::shared_ptr<DicomVolumeImage> volume_;
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51 std::string instanceId_;
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52 std::string transferSyntaxUid_;
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53 bool pixelDataLoaded_;
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54 float outliersHalfRejectionRate_;
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55 float distributionRawMin_;
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56 float distributionRawMax_;
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57 float computedDistributionMin_;
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58 float computedDistributionMax_;
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59
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60 const std::string& GetInstanceId() const;
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61
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62 void ScheduleFrameDownloads();
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63
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64 void SetTransferSyntax(const std::string& transferSyntax);
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65
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66 void SetGeometry(const Orthanc::DicomMap& dicom);
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67
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69 /**
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70 This method will :
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71
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72 - copy the pixel values from the response to the volume image
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73 - compute the maximum and minimum value while discarding the
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74 outliersHalfRejectionRate_ fraction of the outliers from both the start
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75 and the end of the distribution.
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76
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77 In English, this means that, if the volume dataset contains a few extreme
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78 values very different from the rest (outliers) that we want to get rid of,
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79 this method allows to do so.
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80
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81 If you supply 0.005, for instance, it means 1% of the extreme values will
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82 be rejected (0.5% on each side of the distribution)
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83 */
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84 template <typename T>
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85 void CopyPixelDataAndComputeMinMax(const std::string& pixelData);
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86
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87 /** Service method for CopyPixelDataAndComputeMinMax*/
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88 template <typename T>
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89 void CopyPixelDataAndComputeDistribution(const std::string& pixelData,
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90 std::map<T, PixelCount>& distribution);
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91
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92 /** Service method for CopyPixelDataAndComputeMinMax*/
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93 template <typename T>
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94 void ComputeMinMaxWithOutlierRejection(const std::map<T, PixelCount>& distribution);
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95
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96 void SetUncompressedPixelData(const std::string& pixelData);
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97
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98 protected:
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99 OrthancMultiframeVolumeLoader(ILoadersContext& loadersContext,
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100 boost::shared_ptr<DicomVolumeImage> volume,
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101 float outliersHalfRejectionRate);
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102
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103 public:
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104 static boost::shared_ptr<OrthancMultiframeVolumeLoader> Create(
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105 ILoadersContext& loadersContext,
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106 boost::shared_ptr<DicomVolumeImage> volume,
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107 float outliersHalfRejectionRate = 0.0005);
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108
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109 virtual ~OrthancMultiframeVolumeLoader();
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110
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111 bool HasGeometry() const ORTHANC_OVERRIDE;
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112
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113 virtual const VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE;
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114
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115 bool IsPixelDataLoaded() const
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116 {
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117 return pixelDataLoaded_;
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118 }
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119
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120 void GetDistributionMinMax
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121 (float& minValue, float& maxValue) const;
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122
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123 void GetDistributionMinMaxWithOutliersRejection
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124 (float& minValue, float& maxValue) const;
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125
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126 void LoadInstance(const std::string& instanceId);
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127 };
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128 }