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annotate OrthancStone/Sources/Loaders/OrthancMultiframeVolumeLoader.h @ 1599:73cd85d7da6a

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SortedFrames::LookupSopInstanceUid()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Oct 2020 10:55:45 +0100
parents 8563ea5d8ae4
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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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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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29 #include <boost/shared_ptr.hpp>
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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 OrthancStone::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 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume_;
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45 std::string instanceId_;
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46 std::string transferSyntaxUid_;
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47 bool pixelDataLoaded_;
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48 float outliersHalfRejectionRate_;
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49 float distributionRawMin_;
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50 float distributionRawMax_;
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51 float computedDistributionMin_;
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52 float computedDistributionMax_;
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53
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54 const std::string& GetInstanceId() const;
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55
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56 void ScheduleFrameDownloads();
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57
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58 void SetTransferSyntax(const std::string& transferSyntax);
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59
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60 void SetGeometry(const Orthanc::DicomMap& dicom);
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61
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62
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63 /**
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64 This method will :
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65
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66 - copy the pixel values from the response to the volume image
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67 - compute the maximum and minimum value while discarding the
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68 outliersHalfRejectionRate_ fraction of the outliers from both the start
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69 and the end of the distribution.
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70
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71 In English, this means that, if the volume dataset contains a few extreme
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72 values very different from the rest (outliers) that we want to get rid of,
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73 this method allows to do so.
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74
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75 If you supply 0.005, for instance, it means 1% of the extreme values will
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76 be rejected (0.5% on each side of the distribution)
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77 */
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78 template <typename T>
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79 void CopyPixelDataAndComputeMinMax(const std::string& pixelData);
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80
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81 /** Service method for CopyPixelDataAndComputeMinMax*/
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82 template <typename T>
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83 void CopyPixelDataAndComputeDistribution(
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84 const std::string& pixelData,
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85 std::map<T, uint64_t>& distribution);
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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 ComputeMinMaxWithOutlierRejection(
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90 const std::map<T, uint64_t>& distribution);
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91
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92 void SetUncompressedPixelData(const std::string& pixelData);
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93
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94 protected:
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95 OrthancMultiframeVolumeLoader(
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96 OrthancStone::ILoadersContext& loadersContext,
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97 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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98 float outliersHalfRejectionRate);
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99 public:
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100
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101 static boost::shared_ptr<OrthancMultiframeVolumeLoader> Create(
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102 OrthancStone::ILoadersContext& loadersContext,
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103 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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104 float outliersHalfRejectionRate = 0.0005);
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105
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106 virtual ~OrthancMultiframeVolumeLoader();
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107
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108 bool HasGeometry() const ORTHANC_OVERRIDE;
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109
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110 virtual const OrthancStone::VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE;
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111
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112 bool IsPixelDataLoaded() const
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113 {
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114 return pixelDataLoaded_;
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115 }
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116
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117 void GetDistributionMinMax
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118 (float& minValue, float& maxValue) const;
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119
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120 void GetDistributionMinMaxWithOutliersRejection
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121 (float& minValue, float& maxValue) const;
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122
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123 void LoadInstance(const std::string& instanceId);
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124 };
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125 }