Probabilistic analysis of the specific absorption rate intersubject variability safety factor in parallel transmission MRI
Sign Up to like & getrecommendations! Published in 2017 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26468
Abstract: Specific absorption rate (SAR) calculations in parallel transmission are commonly performed by using electromagnetic simulations on generic models. In this study, we propose a probabilistic analysis to study the safety factor employed to account for… read more here.
Keywords: specific absorption; parallel transmission; safety factor; probabilistic analysis ... See more keywords
Ratio‐adjustable power splitters for array‐compressed parallel transmission
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26847
Abstract: To implement and validate low‐loss ratio‐adjustable power splitters (RAPS) for array‐compressed parallel transmission (acpTx). read more here.
Keywords: parallel transmission; adjustable power; array compressed; ratio adjustable ... See more keywords
Parallel transmission medical implant safety testbed: Real‐time mitigation of RF induced tip heating using time‐domain E‐field sensors
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28379
Abstract: To implement a modular, flexible, open‐source hardware configuration for parallel transmission (pTx) experiments on medical implant safety and to demonstrate real‐time mitigation strategies for radio frequency (RF) induced implant heating based on sensor measurements. read more here.
Keywords: parallel transmission; real time; time mitigation; time ... See more keywords
Respiration induced B1+ changes and their impact on universal and tailored 3D kT‐point parallel transmission pulses for 7T cardiac imaging
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29183
Abstract: Human heart imaging at ultra‐high fields is highly challenging because of respiratory motion‐induced artefacts and spatially heterogeneous B1+ profiles. This work demonstrates that respiration resolved 3D B1+ ‐maps can be used with a dedicated tailored… read more here.
Keywords: induced changes; parallel transmission; changes impact; respiration ... See more keywords
Mitigating transmit-B1 artifacts by predicting parallel transmission images with deep learning: A feasibility study using high-resolution whole-brain diffusion at 7 Tesla.
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic resonance in medicine"
DOI: 10.1002/mrm.29238
Abstract: PURPOSE To propose a novel deep learning (DL) approach to transmit-B1 (B1 + )-artifact mitigation without direct use of parallel transmission (pTx), by predicting pTx images from single-channel transmission (sTx) images. METHODS A deep encoder-decoder… read more here.
Keywords: parallel transmission; feasibility; diffusion; transmit ... See more keywords
Optimized ultrahigh field parallel transmission workflow using rapid presaturated TurboFLASH transmit field mapping with a three‐dimensional centric single‐shot readout
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29459
Abstract: To evaluate the usage of three‐dimensional (3D) presaturated TurboFLASH (satTFL) for B1+$$ {\mathrm{B}}_1^{+} $$ and B0$$ {\mathrm{B}}_0 $$ mapping on single channel and parallel transmission (pTx) systems. read more here.
Keywords: parallel transmission; optimized ultrahigh; presaturated turboflash; three dimensional ... See more keywords
Extended RF shimming: Sequence‐level parallel transmission optimization applied to steady‐state free precession MRI of the heart
Sign Up to like & getrecommendations! Published in 2017 at "Nmr in Biomedicine"
DOI: 10.1002/nbm.3701
Abstract: Cardiac magnetic resonance imaging (MRI) at high field presents challenges because of the high specific absorption rate and significant transmit field (B1+) inhomogeneities. Parallel transmission MRI offers the ability to correct for both issues at… read more here.
Keywords: parallel transmission; free precession; sequence level; steady state ... See more keywords
Towards an integrated RF safety concept for implant carriers in MRI based on sensor-equipped implants and parallel transmission.
Sign Up to like & getrecommendations! Published in 2023 at "NMR in biomedicine"
DOI: 10.1002/nbm.4900
Abstract: To protect implant carriers in MRI from excessive radiofrequency heating it has previously been suggested to assess that hazard via sensors on the implant. Other work recommended parallel transmission (pTx) to actively mitigate implant-related heating.… read more here.
Keywords: parallel transmission; safety; carriers mri; implant carriers ... See more keywords
Human Connectome Project-style resting-state functional MRI at 7 Tesla using radiofrequency parallel transmission
Sign Up to like & getrecommendations! Published in 2019 at "NeuroImage"
DOI: 10.1016/j.neuroimage.2018.09.038
Abstract: &NA; We investigate the utility of radiofrequency (RF) parallel transmission (pTx) for whole‐brain resting‐state functional MRI (rfMRI) acquisition at 7 Tesla (7T). To this end, Human Connectome Project (HCP)‐style data acquisitions were chosen as a… read more here.
Keywords: state; flip angle; parallel transmission; seed ... See more keywords
LAMP: Load-Balanced Multipath Parallel Transmission in Point-to-Point NoCs
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems"
DOI: 10.1109/tcad.2022.3151021
Abstract: Network-on-chip (NoC) is an emerging paradigm that is able to connect a significant amount of processing elements (PEs). However, as a distributed subsystem, NoC resources have not been exploited to the fullest. Multipath parallel transmission,… read more here.
Keywords: parallel transmission; multipath parallel; transmission; point point ... See more keywords
An Inductive and Capacitive Combined Parallel Transmission of Power and Data for Wireless Power Transfer Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2017.2725990
Abstract: A new parallel transmission method of power and data is proposed for peer-to-peer wireless power transfer (WPT) systems. Essentially, data are modulated and transferred via high-frequency electric field generated by the parasitic capacitances of the… read more here.
Keywords: parallel transmission; power transfer; transmission; wireless power ... See more keywords