Artifact Suppression in X-ray CT Images - SIAM-IS Virtual Seminar
Society for Industrial and Applied Mathematics via YouTube
Overview
Syllabus
Intro
Basic principle of CT: data representi
Mathematics in X-ray CT: Image reconstruction
Basic principle of CT image reconstruction
Artifact in X-ray CT
Metal artifact reduction
MAR algorithm: diagram
Numerical experiment: setting
Numerical experiment: patient data
Cone beam CT
The proposed algorithm for CBCT: diagram
Industrial CBCT: (1) Data preparation
Industrial CBCT: (2) Registration
Numerical experiment: registration
Numerical experiment: crack detection
Scattering Artifacts: X-ray interactions with matter
Scattering in X-ray CT
Frameworks for scattering suppression
(1) Monte Carlo Scatter Correction
(2) Kernel-based Scatter correction
New Approach: minimization functional
(1) simulated phantom
Conclusions
Numerical experiment: simulated phantom
Taught by
Society for Industrial and Applied Mathematics