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 …

Spatio‐energetic cross‐talk in photon counting detectors: Numerical detector model (Pc TK) and workflow for CT image quality assessment

K Taguchi, K Stierstorfer, C Polster, O Lee… - Medical …, 2018 - Wiley Online Library
Purpose The interpixel cross‐talk of energy‐sensitive photon counting x‐ray detectors (PCD
s) has been studied and an analytical model (version 2.1) has been developed for double …

How spectroscopic x-ray imaging benefits from inter-pixel communication

T Koenig, M Zuber, E Hamann, A Cecilia… - Physics in Medicine …, 2014 - iopscience.iop.org
Spectroscopic x-ray imaging based on pixellated semiconductor detectors can be sensitive
to charge sharing and K-fluorescence, depending on the sensor material used, its thickness …

Evaluation of a second-generation ultra-fast energy-resolved ASIC for photon-counting spectral CT

C Xu, M Persson, H Chen, S Karlsson… - … on Nuclear Science, 2013 - ieeexplore.ieee.org
A second-generation ultra-fast energy-resolved application specific integrated circuit (ASIC)
has been developed for photon-counting spectral computed tomography (CT). The energy …

Energy resolution of a segmented silicon strip detector for photon-counting spectral CT

C Xu, H Chen, M Persson, S Karlsson… - Nuclear Instruments and …, 2013 - Elsevier
We investigated the energy resolution of a segmented silicon strip detector for photon-
counting spectral computed tomography (CT). The detector response to different …

Detective quantum efficiency of photon‐counting x‐ray detectors

J Tanguay, S Yun, HK Kim, IA Cunningham - Medical physics, 2015 - Wiley Online Library
Purpose: Single‐photon‐counting (SPC) x‐ray imaging has the potential to improve image
quality and enable novel energy‐dependent imaging methods. Similar to conventional …

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 …

The role of x‐ray Swank factor in energy‐resolving photon‐counting imaging

J Tanguay, HK Kim, IA Cunningham - Medical physics, 2010 - Wiley Online Library
Purpose: Energy‐resolved x‐ray imaging has the potential to improve contrast‐to‐noise
ratio by measuring the energy of each interacting photon and applying optimal weighting …

A silicon-strip detector for photon-counting spectral CT: energy resolution from 40 keV to 120 keV

X Liu, H Bornefalk, H Chen… - … on Nuclear Science, 2014 - ieeexplore.ieee.org
We are developing a segmented silicon-strip detector for spectral computed tomography.
The detector operates in photon-counting mode and allows pulse-height discrimination with …

Characteristic performance evaluation of a photon counting Si strip detector for low dose spectral breast CT imaging

HM Cho, WC Barber, H Ding, JS Iwanczyk… - Medical …, 2014 - Wiley Online Library
Purpose: The possible clinical applications which can be performed using a newly
developed detector depend on the detectorˈs characteristic performance in a number of …