Photon-counting x-ray detectors for CT

M Danielsson, M Persson, M Sjölin - Physics in Medicine & …, 2021 - iopscience.iop.org
The introduction of photon-counting detectors is expected to be the next major breakthrough
in clinical x-ray computed tomography (CT). During the last decade, there has been …

Photon-counting detector CT: system design and clinical applications of an emerging technology

S Leng, M Bruesewitz, S Tao, K Rajendran… - Radiographics, 2019 - pubs.rsna.org
Photon-counting detector (PCD) CT is an emerging technology that has shown tremendous
progress in the last decade. Various types of PCD CT systems have been developed to …

Photon counting CT: clinical applications and future developments

SS Hsieh, S Leng, K Rajendran, S Tao… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The use of a photon counting detector in CT (PCD CT) is currently the subject of intense
investigation and development. In this review article, we will describe potential clinical …

The technical development of photon-counting detector CT

CH McCollough, K Rajendran, S Leng, L Yu… - European …, 2023 - Springer
Since 1971 and Hounsfield's first CT system, clinical CT systems have used scintillating
energy-integrating detectors (EIDs) that use a two-step detection process. First, the X-ray …

Evaluation of conventional imaging performance in a research whole-body CT system with a photon-counting detector array

Z Yu, S Leng, SM Jorgensen, Z Li… - Physics in Medicine …, 2016 - iopscience.iop.org
This study evaluated the conventional imaging performance of a research whole-body
photon-counting CT system and investigated its feasibility for imaging using clinically …

[PDF][PDF] Review of hybrid pixel detector readout ASICs for spectroscopic X-ray imaging

R Ballabriga, J Alozy, M Campbell, E Frojdh… - Journal of …, 2016 - core.ac.uk
Today most of the deployed X-ray detection equipment for medical diagnosis and industrial
nondestructive testing are based on energy integrating detector technology. When using …

Performance of today's dual energy CT and future multi energy CT in virtual non‐contrast imaging and in iodine quantification: a simulation study

S Faby, S Kuchenbecker, S Sawall, D Simons… - Medical …, 2015 - Wiley Online Library
Purpose: To study the performance of different dual energy computed tomography (DECT)
techniques, which are available today, and future multi energy CT (MECT) employing novel …

Asic developments for radiation imaging applications: The medipix and timepix family

R Ballabriga, M Campbell, X Llopart - Nuclear Instruments and Methods in …, 2018 - Elsevier
Hybrid pixel detectors were developed to meet the requirements for tracking in the inner
layers at the LHC experiments. With low input capacitance per channel (10–100 fF) it is …

Photon counting detectors for X-ray imaging with emphasis on CT

R Ballabriga, J Alozy, FN Bandi… - … on Radiation and …, 2020 - ieeexplore.ieee.org
X-ray imaging is a widely used imaging modality in the medical diagnostic field due to its
availability, low cost, high spatial resolution, and fast image acquisition. X-ray photons in …

Spectral performance of a whole-body research photon counting detector CT: quantitative accuracy in derived image sets

S Leng, W Zhou, Z Yu, A Halaweish… - Physics in Medicine …, 2017 - iopscience.iop.org
Photon-counting computed tomography (PCCT) uses a photon counting detector to count
individual photons and allocate them to specific energy bins by comparing photon energy to …