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Practical multi-material decomposition method for variable threshold micro-focus photon-counting cone-beam CT
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DOI：10.1016/j.apm.2025.116399.png)
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Abstract
En 中文
• Variable-threshold circular mode acquires multi-energy data via two staggered scans. • A nonlinear model is tailored to projection features of the proposed scanning mode. • A novel model-based TSLM-FBP algorithm is developed for basis material decomposition. • Achieves high-precision multi-material decomposition without extra hardware or time.
Keywords:
variable-threshold circular mode
nonlinear model
TSLM-FBP algorithm
basis material decomposition
multi-energy data
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