User profiles for Sandeep S. Kaushik
 | Sandeep KaushikMR AI Lead Scientist, GE HealthCare, Munich Verified email at ge.com Cited by 1325 |
Zero TE MR bone imaging in the head
Purpose To investigate proton density (PD)‐weighted zero TE (ZT) imaging for morphological
depiction and segmentation of cranial bone structures. Methods A rotating ultra‐fast …
depiction and segmentation of cranial bone structures. Methods A rotating ultra‐fast …
Zero-echo-time and Dixon deep pseudo-CT (ZeDD CT): direct generation of pseudo-CT images for pelvic PET/MRI attenuation correction using deep convolutional …
Accurate quantification of uptake on PET images depends on accurate attenuation correction
in reconstruction. Current MR-based attenuation correction methods for body PET use a fat …
in reconstruction. Current MR-based attenuation correction methods for body PET use a fat …
Clinical evaluation of zero-echo-time MR imaging for the segmentation of the skull
MR-based attenuation correction is instrumental for integrated PET/MR imaging. It is generally
achieved by segmenting MR images into a set of tissue classes with known attenuation …
achieved by segmenting MR images into a set of tissue classes with known attenuation …
Hybrid ZTE/Dixon MR‐based attenuation correction for quantitative uptake estimation of pelvic lesions in PET/MRI
Purpose This study introduces a new hybrid ZTE /Dixon MR ‐based attenuation correction (
MRAC ) method including bone density estimation for PET / MRI and quantifies the effects of …
MRAC ) method including bone density estimation for PET / MRI and quantifies the effects of …
Direct pseudoCT generation for pelvis PET/MRI attenuation correction using deep convolutional neural networks with multi-parametric MRI: zero echo-time and dixon …
Accurate quantification of positron emission tomography (PET) uptake depends on accurate
attenuation correction in reconstruction. Current magnetic resonance-based attenuation …
attenuation correction in reconstruction. Current magnetic resonance-based attenuation …
Joint estimation of activity and attenuation for PET using pragmatic MR-based prior: application to clinical TOF PET/MR whole-body data for FDG and non-FDG tracers
…, DD Shanbhag, H Qian, SS Kaushik… - Physics in Medicine …, 2018 - iopscience.iop.org
Accurate and robust attenuation correction remains challenging in hybrid PET/MR particularly
for torsos because it is difficult to segment bones, lungs and internal air in MR images. …
for torsos because it is difficult to segment bones, lungs and internal air in MR images. …
Region of interest focused MRI to synthetic CT translation using regression and segmentation multi-task network
SS Kaushik, M Bylund, C Cozzini… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. In MR-only clinical workflow, replacing CT with MR image is of advantage for
workflow efficiency and reduces radiation to the patient. An important step required to eliminate …
workflow efficiency and reduces radiation to the patient. An important step required to eliminate …
Attenuation coefficient estimation for PET/MRI with Bayesian deep learning pseudo-CT and maximum-likelihood estimation of activity and attenuation
A major remaining challenge for magnetic resonance-based attenuation correction methods
(MRAC) is their susceptibility to sources of magnetic resonance imaging (MRI) artifacts (eg, …
(MRAC) is their susceptibility to sources of magnetic resonance imaging (MRI) artifacts (eg, …
MR driven PET-attenuation correction in presence of metal implants using anatomy context driven decisioning
…, SS Kaushik, S Thiruvenkadam… - Proceedings of the …, 2015 - archive.ismrm.org
Correction of metal implant areas in MRAC map is considered an important unmet need to
guarantee accurate and robust MR-based PET-AC. We demonstrate that use of spatially …
guarantee accurate and robust MR-based PET-AC. We demonstrate that use of spatially …
Region of interest focused MRI to synthetic CT translation using regression and classification multi-task network
S Kaushik, M Bylund, C Cozzini, D Shanbhag… - arXiv preprint arXiv …, 2022 - arxiv.org
In this work, we present a method for synthetic CT (sCT) generation from zero-echo-time (ZTE)
MRI aimed at structural and quantitative accuracies of the image, with a particular focus …
MRI aimed at structural and quantitative accuracies of the image, with a particular focus …