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 …

A detective quantum efficiency for spectroscopic X‐ray imaging detectors

J Tanguay, D Richtsmeier, C Dydula, JA Day… - Medical …, 2021 - Wiley Online Library
Purpose Spectroscopic X‐ray detectors (SXDs) are under development for X‐ray imaging
applications. Recent efforts to extend the detective quantum efficiency (DQE) to SXDs …

Cascaded systems analysis of charge sharing in cadmium telluride photon‐counting x‐ray detectors

J Tanguay, IA Cunningham - Medical Physics, 2018 - Wiley Online Library
Purpose Single‐photon‐counting (SPC) and spectroscopic x‐ray detectors are under
development in academic and industry laboratories for medical imaging applications. The …

A framework for performance characterization of energy‐resolving photon‐counting detectors

M Persson, PL Rajbhandary, NJ Pelc - Medical physics, 2018 - Wiley Online Library
Purpose Photon‐counting, energy‐resolving detectors are subject to intense research
interest, and there is a need for a general framework for performance assessment of these …

An experimental framework for assessing the detective quantum efficiency of spectroscopic x‐ray detectors

N Zarif Yussefian, J Tanguay - Medical Physics, 2023 - Wiley Online Library
Background Assessing the performance of spectroscopic x‐ray detectors (SXDs) requires
measurement of the frequency‐dependent detective quantum efficiency (DQE). Analytical …

Optimization of beam quality for photon-counting spectral computed tomography in head imaging: simulation study

H Chen, C Xu, M Persson… - Journal of Medical …, 2015 - spiedigitallibrary.org
Head computed tomography (CT) plays an important role in the comprehensive evaluation
of acute stroke. Photon-counting spectral detectors, as promising candidates for use in the …

Guest editorial special issue on spectral ct

G Wang, A Butler, H Yu… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This special issue serves as a forum of high visibility and synergy to promote the momentum
of spectral CT. Through a rigorous peer-review process, 14 high-quality papers1 have been …

Normalization of the task-dependent detective quantum efficiency of spectroscopic x-ray imaging detectors

J Tanguay, M Persson - arXiv preprint arXiv:2205.03362, 2022 - arxiv.org
Spectroscopic x-ray detectors (SXDs) are poised to play a substantial role in the next
generation of medical x-ray imaging. Evaluating their performance in terms of the detective …

Spectral Computed Tomography with a Photon-Counting Silicon-Strip Detector

M Persson - 2016 - diva-portal.org
Computed tomography (CT) is a widely used medical imaging modality. By rotating an x-ray
tube and an x-ray detector around the patient, a CT scanner is able to measure the x-ray …

Characterization and optimization of silicon-strip detectors for mammography and computed tomography

H Chen - 2016 - diva-portal.org
The goal in medical x-ray imaging is to obtain the image quality required for a given
detection task, while ensuring that the patient dose is kept as low as reasonably achievable …