Dual-and multi-energy CT: principles, technical approaches, and clinical applications
In x-ray computed tomography (CT), materials having different elemental compositions can
be represented by identical pixel values on a CT image (ie, CT numbers), depending on the …
be represented by identical pixel values on a CT image (ie, CT numbers), depending on the …
Update on multienergy CT: physics, principles, and applications
Multienergy CT involves acquisition of two or more CT measurements with distinct energy
spectra. Using the differential attenuation of tissues and materials at different x-ray energies …
spectra. Using the differential attenuation of tissues and materials at different x-ray energies …
spektr 3.0—A computational tool for x‐ray spectrum modeling and analysis
Purpose: A computational toolkit (spektr 3.0) has been developed to calculate x‐ray spectra
based on the tungsten anode spectral model using interpolating cubic splines (TASMICS) …
based on the tungsten anode spectral model using interpolating cubic splines (TASMICS) …
Multi-energy CT based on a prior rank, intensity and sparsity model (PRISM)
We propose a compressive sensing approach for multi-energy computed tomography (CT),
namely the prior rank, intensity and sparsity model (PRISM). To further compress the multi …
namely the prior rank, intensity and sparsity model (PRISM). To further compress the multi …
Dual-and multi-energy CT for particle stopping-power estimation: current state, challenges and potential
Range uncertainty has been a key factor preventing particle radiotherapy from reaching its
full physical potential. One of the main contributing sources is the uncertainty in estimating …
full physical potential. One of the main contributing sources is the uncertainty in estimating …
Pulse pileup statistics for energy discriminating photon counting x‐ray detectors
AS Wang, D Harrison, V Lobastov… - Medical physics, 2011 - Wiley Online Library
Purpose: Energy discriminating photon counting x‐ray detectors can be subject to a wide
range of flux rates if applied in clinical settings. Even when the incident rate is a small …
range of flux rates if applied in clinical settings. Even when the incident rate is a small …
Sensitivity of Photon-Counting Based -Edge Imaging in X-ray Computed Tomography
E Roessl, B Brendel, KJ Engel… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
The feasibility of K-edge imaging using energy-resolved, photon-counting transmission
measurements in X-ray computed tomography (CT) has been demonstrated by simulations …
measurements in X-ray computed tomography (CT) has been demonstrated by simulations …
Noise reduction in spectral CT: Reducing dose and breaking the trade‐off between image noise and energy bin selection
Purpose: Our purpose was to reduce image noise in spectral CT by exploiting data
redundancies in the energy domain to allow flexible selection of the number, width, and …
redundancies in the energy domain to allow flexible selection of the number, width, and …
Feasibility of multi‐contrast imaging on dual‐source photon counting detector (PCD) CT: An initial phantom study
Purpose Photon‐counting‐detector‐computed tomography (PCD‐CT) allows separation of
multiple, simultaneously imaged contrast agents, such as iodine (I), gadolinium (Gd), and …
multiple, simultaneously imaged contrast agents, such as iodine (I), gadolinium (Gd), and …
Spectral photon counting CT: Imaging algorithms and performance assessment
Photon counting X-ray detectors (PCDs) with spectral capabilities have the potential to
revolutionize computed tomography (CT) for medical imaging. The ideal PCD provides …
revolutionize computed tomography (CT) for medical imaging. The ideal PCD provides …