基于SIDWT和迭代自一致性的快速并行成像重建方法
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段继忠, 钱青青
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Fast Parallel Imaging Reconstruction Method Based on SIDWT and Iterative Self-Consistency
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DUAN Jizhong, QIAN Qingqing
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表5 在3~7倍加速时不同方法对4个数据集进行重建的时间比较
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Tab.5 Comparison of reconstruction time for 4 datasets by different methods at 3 to 7 times acceleration
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| 数据集 | 算法 | R=3 | | R=4 | | R=5 | | R=6 | | R=7 | | t | m | t | m | t | m | t | m | t | m | | 数据集1 | pFISTA-SPIRiT | 89 | 3.3 | | 116 | 3.2 | | 194 | 3.3 | | 240 | 3.2 | | 268 | 3.2 | | SIDWT-SPIRiT | 91 | 3.4 | | 121 | 3.4 | | 203 | 3.4 | | 259 | 3.5 | | 303 | 3.6 | | fSIDWT-SPIRiT | 27 | 1.0 | | 36 | 1.0 | | 59 | 1.0 | | 74 | 1.0 | | 85 | 1.0 | | 数据集2 | pFISTA-SPIRiT | 148 | 4.4 | | 216 | 3.8 | | 281 | 3.3 | | 347 | 3.4 | | 426 | 3.6 | | SIDWT-SPIRiT | 128 | 3.8 | | 198 | 3.5 | | 274 | 3.3 | | 313 | 3.1 | | 390 | 3.3 | | fSIDWT-SPIRiT | 34 | 1.0 | | 57 | 1.0 | | 84 | 1.0 | | 101 | 1.0 | | 120 | 1.0 | | 数据集3 | pFISTA-SPIRiT | 133 | 4.0 | | 180 | 4.1 | | 206 | 3.7 | | 247 | 3.6 | | 319 | 3.4 | | SIDWT-SPIRiT | 150 | 4.5 | | 232 | 5.3 | | 293 | 5.3 | | 316 | 4.6 | | 446 | 4.8 | | fSIDWT-SPIRiT | 33 | 1.0 | | 44 | 1.0 | | 55 | 1.0 | | 68 | 1.0 | | 93 | 1.0 | | 数据集4 | pFISTA-SPIRiT | 237 | 3.9 | | 294 | 3.5 | | 358 | 3.3 | | 431 | 3.3 | | 506 | 3.2 | | SIDWT-SPIRiT | 259 | 4.2 | | 343 | 4.0 | | 431 | 4.0 | | 515 | 3.9 | | 625 | 3.9 | | fSIDWT-SPIRiT | 61 | 1.0 | | 85 | 1.0 | | 107 | 1.0 | | 131 | 1.0 | | 159 | 1.0 |
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