Purpose Exploiting the x‐ray measurements obtained in different energy bins, spectral computed tomography (CT) has the ability to recover the 3‐D description of a patient in a …
C Mory, B Sixou, S Si-Mohamed… - Physics in Medicine & …, 2018 - iopscience.iop.org
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 …
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 …
S Rit, C Mory, PB Noël - Spectral, Photon Counting Computed …, 2020 - taylorfrancis.com
Spectral Computed Tomography (CT) aims at measuring the energy-resolved three- dimensional (3D) distribution of the x-ray attenuation coefficients of a scanned object. It is …
K Mechlem, T Sellerer, S Ehn, D Münzel… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
By resolving the energy of the incident X-ray photons, spectral X-ray imaging with photon counting detectors offers additional material-specific information compared to conventional …
Abstract Background and Purpose Several strategies for estimating stopping power ratio (SPR) from dual-energy CT (DECT) have been proposed to improve accuracy of proton …
In this paper, we address the resolution of material decomposition, which is a nonlinear inverse problem encountered in spectral computed tomography (CT). The problem is usually …
J Lesaint, S Rit - … Conference on Image Formation in X-Ray …, 2022 - spiedigitallibrary.org
We propose a consistency-based material decomposition algorithm. The method is free from any calibration procedure. The inverse spectral mixing model is approximated by a …
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 …