Spectral computed tomography (CT) has recently emerged as an advanced version of
medical CT and significantly improves conventional (single-energy) CT. Spectral CT has two …

Photon counting X-ray detectors (PCDs) with spectral capabilities have the potential to
revolutionize computed tomography (CT) for medical imaging. The ideal PCD provides …

Background The advancement of x‐ray CT into the domains of photon counting spectral
imaging and dynamic cardiac and perfusion imaging has created many new challenges and …

Background To evaluate the feasibility of multicolour quantitative imaging with spectral
photon-counting computed tomography (SPCCT) of different mixed contrast agents …

Over the last decade, dual-energy CT scanners have gone from prototypes to clinically
available machines, and spectral photon counting CT scanners are following. They require a …

Purpose The purpose of this study was to investigate the feasibility of identifying and
characterizing the three most common types of endoleaks within a thoracic aorta aneurysm …

The state-of-the art for solving the nonlinear material decomposition problem in spectral
computed tomography is based on variational methods, but these are computationally slow …

Background Dual-energy computed tomography has shown a great interest for
musculoskeletal pathologies. Photon-counting spectral computed tomography (PCSCT) can …

Photon-counting detector computed tomography (PCD-CT) is a modern spectral imaging
technique utilizing photon-counting detectors (PCDs). PCDs detect individual photons and …

Purpose The constrained one‐step spectral CT image reconstruction (cOSSCIR) algorithm
with a nonconvex alternating direction method of multipliers optimizer is proposed for …