3 papers
physics.med-ph2026
Energy-Threshold Bias Calculator: A Physics-Model Based Adaptive Correction Scheme for Photon-Counting CT
Yuting Chen, Yuxiang Xing, Li Zhang +2
Photon-counting detector based computed tomography (PCCT) has greatly advanced in recent years. However, spectral inconsistency, referring to inter-pixel variations in detected cou…
physics.med-ph2025
Matrixed-Spectrum Decomposition Accelerated Linear Boltzmann Transport Equation Solver for Fast Scatter Correction in Multi-Spectral CT
Guoxi Zhu, Li Zhang, Zhiqiang Chen +1
X-ray scatter has been a serious concern in computed tomography (CT), leading to image artifacts and distortion of CT values. The linear Boltzmann transport equation (LBTE) is reco…
physics.med-ph2025
ComptoNet: An End-to-End Deep Learning Framework for Scatter Estimation in Multi-Source Stationary CT
Yingxian Xia, Zhiqiang Chen, Li Zhang +2
Multi-source stationary computed tomography (MSS-CT) offers significant advantages in medical and industrial applications due to its gantry-less scan architecture and/or capability…