Vision 20/20: single photon counting x‐ray detectors in medical imaging

K Taguchi, JS Iwanczyk - Medical physics, 2013 - Wiley Online Library
Photon counting detectors (PCDs) with energy discrimination capabilities have been
developed for medical x‐ray computed tomography (CT) and x‐ray (XR) imaging. Using …

Spectral and dual-energy X-ray imaging for medical applications

E Fredenberg - Nuclear Instruments and Methods in Physics Research …, 2018 - Elsevier
Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine. The
technique makes use of the energy dependence of X-ray attenuation to either increase the …

Photon-counting spectral computed tomography using silicon strip detectors: a feasibility study

H Bornefalk, M Danielsson - Physics in Medicine & Biology, 2010 - iopscience.iop.org
We show how the spectral imaging framework should be modified to account for a high
fraction of Compton interactions in low Z detector materials such as silicon. Using this …

Potential benefits of photon counting detector computed tomography in pediatric imaging

KK Horst, L Yu, CH McCollough… - The British Journal of …, 2023 - academic.oup.com
Photon counting detector (PCD) CT represents the newest advance in CT technology, with
improved radiation dose efficiency, increased spatial resolution, inherent spectral imaging …

Evaluation of energy loss and charge sharing in cadmium telluride detectors for photon-counting computed tomography

C Xu, M Danielsson, H Bornefalk - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We present estimates of energy loss and charge sharing for a pixelated cadmium telluride
(CdTe) detector used for photon-counting spectral computed tomography (CT). In a photon …

Preliminary evaluation of a silicon strip detector for photon-counting spectral CT

C Xu, M Danielsson, S Karlsson, C Svensson… - Nuclear Instruments and …, 2012 - Elsevier
An edge-on silicon strip detector designed for photon-counting spectral computed
tomography (CT) is presented. Progress on the development of an application specific …

Detectors for the future of X-ray imaging

M Åslund, E Fredenberg, M Telman… - Radiation protection …, 2010 - academic.oup.com
In recent decades, developments in detectors for X-ray imaging have improved dose
efficiency. This has been accomplished with for example, structured scintillators such as …

Design considerations to overcome cross talk in a photon counting silicon strip detector for computed tomography

H Bornefalk, C Xu, C Svensson… - Nuclear Instruments and …, 2010 - Elsevier
This article presents a Monte Carlo simulation of the detector energy response in the
presence of pileup in a segmented silicon microstrip detector designed for high flux spectral …

Performance evaluation of a sub-millimetre spectrally resolved CT system on high-and low-frequency imaging tasks: a simulation

M Yveborg, M Danielsson… - Physics in Medicine & …, 2012 - iopscience.iop.org
We are developing a photon-counting silicon strip detector with 0.4× 0.5 mm 2 detector
elements for clinical CT applications. Except for the limited detection efficiency of …

Performance characterization of a silicon strip detector for spectral computed tomography utilizing a laser testing system

C Xu, M Danielsson, S Karlsson… - … 2011: Physics of …, 2011 - spiedigitallibrary.org
A new silicon strip detector with sub-millimeter pixel size operated in single photon-counting
mode has been developed for use in spectral computed tomography (CT). An ultra fast …