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annotate OrthancStone/Sources/Loaders/OrthancMultiframeVolumeLoader.h @ 2020:88673f50d7b9

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added key bindings to change active study and series
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 03 Dec 2022 11:59:20 +0100
parents 7053b8a0aaec
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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
1871
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 #include "LoaderStateMachine.h"
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27 #include "../Volumes/DicomVolumeImage.h"
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28 #include "../Volumes/IGeometryProvider.h"
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29
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30 #include <boost/shared_ptr.hpp>
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32 namespace OrthancStone
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33 {
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34 class OrthancMultiframeVolumeLoader :
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35 public LoaderStateMachine,
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36 public IObservable,
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37 public IGeometryProvider
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38 {
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39 private:
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40 class LoadRTDoseGeometry;
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41 class LoadGeometry;
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42 class LoadTransferSyntax;
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43 class LoadUncompressedPixelData;
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44
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45 struct PixelCount
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46 {
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47 uint64_t count_;
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48 PixelCount() { count_ = 0; }
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49 };
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50
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51 boost::shared_ptr<DicomVolumeImage> volume_;
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52 std::string instanceId_;
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53 std::string transferSyntaxUid_;
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54 bool pixelDataLoaded_;
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55 float outliersHalfRejectionRate_;
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56 float distributionRawMin_;
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57 float distributionRawMax_;
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58 float computedDistributionMin_;
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59 float computedDistributionMax_;
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60
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61 const std::string& GetInstanceId() const;
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62
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63 void ScheduleFrameDownloads();
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64
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65 void SetTransferSyntax(const std::string& transferSyntax);
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66
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67 void SetGeometry(const Orthanc::DicomMap& dicom);
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68
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70 /**
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71 This method will :
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72
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73 - copy the pixel values from the response to the volume image
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74 - compute the maximum and minimum value while discarding the
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75 outliersHalfRejectionRate_ fraction of the outliers from both the start
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76 and the end of the distribution.
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77
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78 In English, this means that, if the volume dataset contains a few extreme
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79 values very different from the rest (outliers) that we want to get rid of,
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80 this method allows to do so.
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81
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82 If you supply 0.005, for instance, it means 1% of the extreme values will
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83 be rejected (0.5% on each side of the distribution)
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84 */
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85 template <typename T>
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86 void CopyPixelDataAndComputeMinMax(const std::string& pixelData);
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87
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88 /** Service method for CopyPixelDataAndComputeMinMax*/
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89 template <typename T>
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90 void CopyPixelDataAndComputeDistribution(const std::string& pixelData,
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91 std::map<T, PixelCount>& distribution);
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92
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93 /** Service method for CopyPixelDataAndComputeMinMax*/
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94 template <typename T>
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95 void ComputeMinMaxWithOutlierRejection(const std::map<T, PixelCount>& distribution);
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96
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97 void SetUncompressedPixelData(const std::string& pixelData);
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98
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99 protected:
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100 OrthancMultiframeVolumeLoader(ILoadersContext& loadersContext,
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101 boost::shared_ptr<DicomVolumeImage> volume,
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102 float outliersHalfRejectionRate);
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103
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104 public:
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105 static boost::shared_ptr<OrthancMultiframeVolumeLoader> Create(
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106 ILoadersContext& loadersContext,
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107 boost::shared_ptr<DicomVolumeImage> volume,
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108 float outliersHalfRejectionRate = 0.0005);
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109
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110 virtual ~OrthancMultiframeVolumeLoader();
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111
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112 bool HasGeometry() const ORTHANC_OVERRIDE;
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113
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114 virtual const VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE;
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115
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116 bool IsPixelDataLoaded() const
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117 {
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118 return pixelDataLoaded_;
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119 }
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120
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121 void GetDistributionMinMax
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122 (float& minValue, float& maxValue) const;
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123
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124 void GetDistributionMinMaxWithOutliersRejection
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125 (float& minValue, float& maxValue) const;
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126
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127 void LoadInstance(const std::string& instanceId);
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128 };
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129 }