Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Volumes/ImageBuffer3D.h @ 1783:75d3e2ab1fe1
BREAKING: SubvoxelReader using the same Z-axis ordering as ImageBuffer3D
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 May 2021 18:30:24 +0200 |
parents | f053c80ea411 |
children | 58bebc904191 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
0 | 6 * |
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 |
47 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
0 | 11 * |
12 * This program is distributed in the hope that it will be useful, but | |
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/>. |
0 | 20 **/ |
21 | |
22 | |
23 #pragma once | |
24 | |
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25 #include "../StoneEnumerations.h" |
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26 #include "../Toolbox/LinearAlgebra.h" |
0 | 27 |
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28 #include <Compatibility.h> |
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29 #include <Images/Image.h> |
0 | 30 |
31 namespace OrthancStone | |
32 { | |
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33 /* |
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34 |
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35 This classes stores volume images sliced across the Z axis, |
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36 vertically, in the DECREASING Z-order along the normal (this is the |
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37 REVERSE of the intuitive order): |
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38 |
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39 +---------------+ |
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40 | | |
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41 | SLICE N-1 | |
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42 | | |
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43 +---------------+ |
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44 | | |
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45 | SLICE N-2 | |
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46 | | |
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47 +---------------+ |
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48 | | |
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49 | SLICE N-3 | |
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50 | | |
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51 . . |
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52 ...... ...... |
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53 . . |
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54 | | |
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55 | SLICE 2 | |
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56 | | |
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57 +---------------+ |
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58 | | |
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59 | SLICE 1 | |
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60 | | |
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61 +---------------+ |
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62 | | |
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63 | SLICE 0 | |
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64 | | |
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65 +---------------+ |
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66 |
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67 As you can see, if the 3d image has size width, height, depth, the 2d image has : |
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68 - 2d width = 3d width |
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69 - 2d height = 3d height * 3d depth |
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70 |
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71 This explains the "depth_ - 1 - z" that are used throughout this class. |
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72 |
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73 EXPLANATION: This allows to have the "SliceReader" and "SliceWriter" |
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74 accessors for axial and coronal projections to directly access the |
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75 same memory buffer (no memcpy is required), while being consistent |
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76 with the Z-axis in coronal projection. The sagittal projection |
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77 nevertheless needs a memcpy. |
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78 |
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79 */ |
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80 |
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81 class ImageBuffer3D : public boost::noncopyable |
0 | 82 { |
83 private: | |
84 Orthanc::Image image_; | |
85 Orthanc::PixelFormat format_; | |
86 unsigned int width_; | |
87 unsigned int height_; | |
88 unsigned int depth_; | |
119
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89 bool computeRange_; |
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90 bool hasRange_; |
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91 float minValue_; |
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92 float maxValue_; |
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93 Matrix transform_; |
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94 Matrix transformInverse_; |
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95 |
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96 void ExtendImageRange(const Orthanc::ImageAccessor& slice); |
0 | 97 |
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98 void GetAxialSliceAccessor(Orthanc::ImageAccessor& target, |
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99 unsigned int slice, |
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100 bool readOnly); |
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101 |
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102 void GetCoronalSliceAccessor(Orthanc::ImageAccessor& target, |
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103 unsigned int slice, |
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104 bool readOnly); |
0 | 105 |
106 Orthanc::Image* ExtractSagittalSlice(unsigned int slice) const; | |
107 | |
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108 void CommitSagittalSlice(unsigned int slice, |
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109 const Orthanc::ImageAccessor& source); |
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110 |
143 | 111 template <typename T> |
112 T GetPixelUnchecked(unsigned int x, | |
113 unsigned int y, | |
114 unsigned int z) const | |
115 { | |
116 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(image_.GetConstBuffer()); | |
117 const uint8_t* row = buffer + (y + height_ * (depth_ - 1 - z)) * image_.GetPitch(); | |
118 return reinterpret_cast<const T*>(row) [x]; | |
119 } | |
120 | |
0 | 121 public: |
122 ImageBuffer3D(Orthanc::PixelFormat format, | |
123 unsigned int width, | |
124 unsigned int height, | |
119
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125 unsigned int depth, |
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126 bool computeRange); |
0 | 127 |
128 void Clear(); | |
129 | |
179
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130 const Orthanc::ImageAccessor& GetInternalImage() const |
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131 { |
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132 return image_; |
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133 } |
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134 |
0 | 135 unsigned int GetWidth() const |
136 { | |
137 return width_; | |
138 } | |
139 | |
140 unsigned int GetHeight() const | |
141 { | |
142 return height_; | |
143 } | |
144 | |
145 unsigned int GetDepth() const | |
146 { | |
147 return depth_; | |
148 } | |
149 | |
150 Orthanc::PixelFormat GetFormat() const | |
151 { | |
152 return format_; | |
153 } | |
154 | |
765 | 155 unsigned int GetBytesPerPixel() const |
156 { | |
157 return Orthanc::GetBytesPerPixel(format_); | |
158 } | |
159 | |
105 | 160 uint64_t GetEstimatedMemorySize() const; |
161 | |
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162 bool GetRange(float& minValue, |
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163 float& maxValue) const; |
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164 |
143 | 165 uint8_t GetVoxelGrayscale8Unchecked(unsigned int x, |
166 unsigned int y, | |
167 unsigned int z) const | |
168 { | |
169 return GetPixelUnchecked<uint8_t>(x, y, z); | |
170 } | |
171 | |
172 uint16_t GetVoxelGrayscale16Unchecked(unsigned int x, | |
173 unsigned int y, | |
174 unsigned int z) const | |
175 { | |
176 return GetPixelUnchecked<uint16_t>(x, y, z); | |
177 } | |
178 | |
149
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179 int16_t GetVoxelSignedGrayscale16Unchecked(unsigned int x, |
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180 unsigned int y, |
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181 unsigned int z) const |
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182 { |
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183 return GetPixelUnchecked<int16_t>(x, y, z); |
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184 } |
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185 |
143 | 186 uint8_t GetVoxelGrayscale8(unsigned int x, |
141
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187 unsigned int y, |
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188 unsigned int z) const; |
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189 |
143 | 190 uint16_t GetVoxelGrayscale16(unsigned int x, |
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191 unsigned int y, |
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192 unsigned int z) const; |
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193 |
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194 |
0 | 195 class SliceReader : public boost::noncopyable |
196 { | |
197 private: | |
198 Orthanc::ImageAccessor accessor_; | |
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199 std::unique_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal |
0 | 200 |
201 public: | |
192
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202 SliceReader(const ImageBuffer3D& that, |
0 | 203 VolumeProjection projection, |
204 unsigned int slice); | |
205 | |
206 const Orthanc::ImageAccessor& GetAccessor() const | |
207 { | |
208 return accessor_; | |
209 } | |
210 }; | |
211 | |
212 | |
213 class SliceWriter : public boost::noncopyable | |
214 { | |
215 private: | |
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216 ImageBuffer3D& that_; |
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217 bool modified_; |
0 | 218 Orthanc::ImageAccessor accessor_; |
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219 std::unique_ptr<Orthanc::Image> sagittal_; // Unused for axial and coronal |
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220 unsigned int slice_; |
0 | 221 |
222 void Flush(); | |
223 | |
224 public: | |
225 SliceWriter(ImageBuffer3D& that, | |
226 VolumeProjection projection, | |
227 unsigned int slice); | |
228 | |
229 ~SliceWriter() | |
230 { | |
231 Flush(); | |
232 } | |
233 | |
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234 const Orthanc::ImageAccessor& GetAccessor() const |
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235 { |
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236 return accessor_; |
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237 } |
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238 |
0 | 239 Orthanc::ImageAccessor& GetAccessor() |
240 { | |
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241 modified_ = true; |
0 | 242 return accessor_; |
243 } | |
244 }; | |
245 }; | |
246 } |