Chenglong Guo, Peijun Ni, Zicheng Qi, Kang Fu. Scattering correction method for cone-beam X-ray CT based on slanted-hole scattering correction plate[J]. High Power Laser and Particle Beams, 2024, 36(7): 074004
- High Power Laser and Particle Beams
- Vol. 36, Issue 7, 074004 (2024)
Fig. 1. Illustration of imaging system geometry for cone-beam X-ray (CBCT) CT
Fig. 2. Scatter correction procedure diagram
Fig. 3. Projection information of the correction plate
Fig. 4. Interpolation process schematic diagram
Fig. 5. Flow chart of image processing
Fig. 6. Appearance of the CT
Fig. 7. CT scattering estimation
Fig. 8. Gray value images along A 1 and A 2
Fig. 9. Grayscale images of two DR images along A 2 direction
Fig. 10. Reconstructed images
Fig. 11. Tomographic images before and after correction
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Table 1. Correction plate geometry parameters
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Table 2. Scanning parameters
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Table 3. R CN of tomographic images before and after correction
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