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annotate Framework/Loaders/OrthancMultiframeVolumeLoader.h @ 1337:b1396be5aa27 broker

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Moved the fixed loaders back from the dead
author Benjamin Golinvaux <bgo@osimis.io>
date Fri, 03 Apr 2020 16:13:06 +0200
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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
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22 #pragma once
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23
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24 #include "LoaderStateMachine.h"
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25 #include "../../Volumes/DicomVolumeImage.h"
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26 #include "../Volumes/IGeometryProvider.h"
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27
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28 #include <boost/shared_ptr.hpp>
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29
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30 namespace OrthancStone
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31 {
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32 class OrthancMultiframeVolumeLoader :
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33 public LoaderStateMachine,
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34 public OrthancStone::IObservable,
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35 public IGeometryProvider
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36 {
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37 private:
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38 class LoadRTDoseGeometry;
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39 class LoadGeometry;
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40 class LoadTransferSyntax;
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41 class LoadUncompressedPixelData;
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42
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43 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume_;
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44 std::string instanceId_;
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45 std::string transferSyntaxUid_;
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46 bool pixelDataLoaded_;
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47 float outliersHalfRejectionRate_;
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48 float distributionRawMin_;
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49 float distributionRawMax_;
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50 float computedDistributionMin_;
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51 float computedDistributionMax_;
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52
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53 const std::string& GetInstanceId() const;
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54
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55 void ScheduleFrameDownloads();
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56
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57 void SetTransferSyntax(const std::string& transferSyntax);
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58
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59 void SetGeometry(const Orthanc::DicomMap& dicom);
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60
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61
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62 /**
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63 This method will :
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64
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65 - copy the pixel values from the response to the volume image
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66 - compute the maximum and minimum value while discarding the
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67 outliersHalfRejectionRate_ fraction of the outliers from both the start
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68 and the end of the distribution.
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69
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70 In English, this means that, if the volume dataset contains a few extreme
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71 values very different from the rest (outliers) that we want to get rid of,
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72 this method allows to do so.
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73
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74 If you supply 0.005, for instance, it means 1% of the extreme values will
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75 be rejected (0.5% on each side of the distribution)
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76 */
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77 template <typename T>
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78 void CopyPixelDataAndComputeMinMax(const std::string& pixelData);
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79
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80 /** Service method for CopyPixelDataAndComputeMinMax*/
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81 template <typename T>
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82 void CopyPixelDataAndComputeDistribution(
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83 const std::string& pixelData,
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84 std::map<T, uint64_t>& distribution);
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85
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86 /** Service method for CopyPixelDataAndComputeMinMax*/
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87 template <typename T>
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88 void ComputeMinMaxWithOutlierRejection(
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89 const std::map<T, uint64_t>& distribution);
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90
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91 void SetUncompressedPixelData(const std::string& pixelData);
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92
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93 bool HasGeometry() const;
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94 const OrthancStone::VolumeImageGeometry& GetImageGeometry() const;
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95
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96 protected:
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97 OrthancMultiframeVolumeLoader(
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98 OrthancStone::ILoadersContext& loadersContext,
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99 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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100 float outliersHalfRejectionRate);
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101 public:
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102
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103 static boost::shared_ptr<OrthancMultiframeVolumeLoader> Create(
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104 OrthancStone::ILoadersContext& loadersContext,
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105 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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106 float outliersHalfRejectionRate = 0.0005);
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107
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108 virtual ~OrthancMultiframeVolumeLoader();
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109
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110 bool IsPixelDataLoaded() const
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111 {
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112 return pixelDataLoaded_;
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113 }
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114
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115 void GetDistributionMinMax
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116 (float& minValue, float& maxValue) const;
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117
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118 void GetDistributionMinMaxWithOutliersRejection
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119 (float& minValue, float& maxValue) const;
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120
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121 void LoadInstance(const std::string& instanceId);
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122 };
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123 }