Mingzhe Li, Jia Wang, Dangjuan Li, Mi Zhou, Junxia Cheng, Shenjiang Wu. Reconstruction Technology for Three-Dimensional Emission Computerized Tomography Based on Linear Interpolation Theory[J]. Laser & Optoelectronics Progress, 2022, 59(23): 2320002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 23, 2320002 (2022)
Fig. 1. Schematic diagram of coordinate systems in ECT system with multiple cameras
Fig. 2. Schematic diagram of camera projection imaging process
![Projections of a cube at different Euler angles. (a) Theoretical values; (b) calculated by weight matrix in reference[9]; (c) calculated by weight matrix using linear interpolation principle](/Images/icon/loading.gif){kind=icon}
Fig. 3. Projections of a cube at different Euler angles. (a) Theoretical values; (b) calculated by weight matrix in reference[9]; (c) calculated by weight matrix using linear interpolation principle
Fig. 4. Influence of sampling points on reconstruction. (a) Reconstruction parameters Cor; (b) reconstruction parameters RMSE; (c) reconstruction results
Fig. 5. Influence of IM on reconstruction. (a) Reconstruction parameters Cor; (b) reconstruction parameters RMSE; (c) reconstruction results
Fig. 6. Shepp-Logan model and its reconstruction results. (a) Simulation; (b) reconstrction; (c) reconstrcution using linear interpolation principle
Fig. 7. Projections of propane Bunsen flame in 3D space
Fig. 8. Reconstruction of a flame in 3D space. (a) Side 1; (b) side 2
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Table 1. Rotation matrix by camera calibration
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Table 2. Focus lengths and translation vectors by camera calibration
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