Acta Photonica Sinica, Volume. 51, Issue 12, 1217001(2022)
Diffuse Optical Tomography Method Based on Multi-information Fusion and Stacked Auto-encoder Network
Figures & Tables(17)
Fig. 5. MRI image and corresponding optical image that simulate target distributions
Fig. 6. Reconstructed images and profiles of a single circular target with different absorption contrasts based on no prior and prior methods
Fig. 8. Reconstructed images and profiles of a single circular target with different radii based on no prior and prior methods
Fig. 10. Reconstructed images and profiles of a single elliptic target with different absorption contrasts based on no prior and prior methods
Fig. 12. Reconstructed images and profiles of double elliptic targets with different absorption contrasts based on no prior and prior methods
Table 1. Calculation results of evaluation indexes for a single circular target reconstruction with different absorption contrasts
View tableView in ArticleTable 1. Calculation results of evaluation indexes for a single circular target reconstruction with different absorption contrasts
Metric MAE MSE QR Contrast Prior No prior Prior No prior Prior No prior 1.5 9.07×10-5 1.47×10-4 1.18×10-4 1.32×10-4 107% 139% 2.0 1.48×10-4 1.70×10-4 2.68×10-4 2.46×10-4 128% 127% 2.5 1.49×10-4 1.72×10-4 3.38×10-4 3.47×10-4 96% 119% 3.0 1.88×10-4 2.27×10-4 3.89×10-4 4.87×10-4 99% 131%
Table 2. Calculation results of evaluation indexes for a single circular target reconstruction with different radii and the same absorption contrasts
View tableView in ArticleTable 2. Calculation results of evaluation indexes for a single circular target reconstruction with different radii and the same absorption contrasts
Metric MAE MSE QR r/mm Prior No prior Prior No prior Prior No prior 6 1.47×10-4 1.83×10-4 1.82×10-4 1.81×10-4 118% 92% 8 1.27×10-4 1.69×10-4 3.34×10-4 2.97×10-4 118% 102% 10 1.92×10-4 2.38×10-4 4.37×10-4 4.64×10-4 102% 128%
Table 3. Calculation results of evaluation indexes for a single elliptic target reconstruction with different absorption contrasts
View tableView in ArticleTable 3. Calculation results of evaluation indexes for a single elliptic target reconstruction with different absorption contrasts
Metric MAE MSE QR Contrast Prior No prior Prior No prior Prior No prior 1.5 5.09×10-5 8.71×10-5 4.60×10-4 8.65×10-4 101% 130% 2.0 7.13×10-5 8.70×10-5 1.02×10-4 1.32×10-4 108% 76% 2.5 1.25×10-5 1.66×10-4 9.62×10-5 1.72×10-4 102% 94% 3.0 1.35×10-4 1.46×10-4 2.17×10-4 2.54×10-4 109% 89%
Table 4. Calculation results of evaluation indexes for double elliptic targets reconstruction with different absorption contrasts
View tableView in ArticleTable 4. Calculation results of evaluation indexes for double elliptic targets reconstruction with different absorption contrasts
Metric MAE MSE QR Contrast Prior No prior Prior No prior Prior No prior 1.5 5.48×10-5 7.39×10-5 5.28×10-5 8.12×10-5 98% 56% 2.0 9.32×10-5 1.20×10-4 1.18×10-4 1.76×10-4 102% 136% 2.5 2.20×10-4 3.05×10-4 4.50×10-4 4.75×10-4 123% 195% 3.0 2.07×10-4 2.62×10-4 2.16×10-4 2.41×10-4 129% 143%
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Zhilong SUN, Jie ZHANG, Zongyang LIU, Feng GAO, Limin ZHANG. Diffuse Optical Tomography Method Based on Multi-information Fusion and Stacked Auto-encoder Network[J]. Acta Photonica Sinica, 2022, 51(12): 1217001
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Received: May. 13, 2022
Accepted: Jun. 22, 2022
Published Online: Feb. 6, 2023
The Author Email: ZHANG Limin (zhanglm@tju.edu.cn)
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