User profiles for Timothy W Deller

Timothy Deller

Oak Ridge National Laboratory
Verified email at ornl.gov
Cited by 1169

NEMA NU 2‐2012 performance studies for the SiPM‐based ToF‐PET component of the GE SIGNA PET/MR system

AM Grant, TW Deller, MM Khalighi… - Medical …, 2016 - Wiley Online Library
Purpose: The GE SIGNA PET/MR is a new whole body integrated time‐of‐flight (ToF)‐PET/MR
scanner from GE Healthcare. The system is capable of simultaneous PET and MR image …

Design features and mutual compatibility studies of the time-of-flight PET capable GE SIGNA PET/MR system

…, SH Maramraju, MM Khalighi, TW Deller… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
A recent entry into the rapidly evolving field of integrated PET/MR scanners is presented in
this paper: a whole body hybrid PET/MR system (SIGNA PET/MR, GE Healthcare) capable of …

Image-derived input function estimation on a TOF-enabled PET/MR for cerebral blood flow mapping

MM Khalighi, TW Deller, AP Fan… - Journal of Cerebral …, 2018 - journals.sagepub.com
… Mohammad Mehdi Khalighi and Timothy W Deller made a substantial contribution to the
design, analysis and interpretation of data. Praveen K Gulaka, Bin Shen, Prachi Singh, Jun-…

Ultra-fast list-mode reconstruction of short PET frames and example applications

MG Spangler-Bickell, TW Deller… - Journal of Nuclear …, 2021 - Soc Nuclear Med
Standard clinical reconstructions usually require several minutes to complete, and this time
is mostly independent of the duration of the data being reconstructed. Applications such as …

[HTML][HTML] NEMA NU 2–2007 performance characteristics of GE Signa integrated PET/MR for different PET isotopes

PRRV Caribé, M Koole, Y D'Asseler, TW Deller… - EJNMMI physics, 2019 - Springer
Background Fully integrated PET/MR systems are being used frequently in clinical research
and routine. National Electrical Manufacturers Association (NEMA) characterization of these …

Quantitative and Qualitative Improvement of Low-Count [68Ga]Citrate and [90Y]Microspheres PET Image Reconstructions Using Block Sequential Regularized …

Y Seo, MM Khalighi, KA Wangerin, TW Deller… - Molecular imaging and …, 2020 - Springer
Purpose There are several important positron emission tomography (PET) imaging scenarios
that require imaging with very low photon statistics, for which both quantitative accuracy …

Clinical Evaluation of 68Ga-PSMA-II and 68Ga-RM2 PET Images Reconstructed With an Improved Scatter Correction Algorithm

…, TA Hope, PK Gulaka, TW Deller… - American Journal of …, 2018 - Am Roentgen Ray Soc
OBJECTIVE. Gallium-68-labeled radiopharmaceuticals pose a challenge for scatter estimation
because their targeted nature can produce high contrast in these regions of the kidneys …

Fully 3D PET iterative reconstruction using distance-driven projectors and native scanner geometry

…, SG Ross, M Iatrou, TW Deller… - 2006 IEEE Nuclear …, 2006 - ieeexplore.ieee.org
Incorporating all data corrections into the system model optimizes image quality in statistical
iterative PET image reconstruction. We have previously shown that including attenuation, …

Optimizing the frame duration for data‐driven rigid motion estimation in brain PET imaging

MG Spangler‐Bickell, SA Hurley, TW Deller… - Medical …, 2021 - Wiley Online Library
Purpose Data‐driven rigid motion estimation for PET brain imaging is usually performed
using data frames sampled at low temporal resolution to reduce the overall computation time …

PET image quality improvement for simultaneous PET/MRI with a lightweight MRI surface coil

TW Deller, NK Mathew, SA Hurley, CM Bobb… - Radiology, 2021 - pubs.rsna.org
Background During simultaneous PET/MRI, flexible MRI surface coils that lay on the patient
are often omitted from PET attenuation correction processing, leading to quantification bias …