About: Parallelized Calculation of the T2 Relaxation Time in MRI

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents the computation of relaxation time T2 measured with the Spin Echo method. The tomograph provides a signal in which the important factor is the location of the peaks from individual measurements. These points must be interleaved with an exponential function. The described process has to be repeated for each pixel of the sensed tissue, and this requirement makes the processing of larger images very time-consuming. Assuming the resolution of 256x256, 20 slices, and 5 measurements with different times TE, it is necessary to reconstruct 1.3x10^6 exponential functions, which requires the processing of more than 6 MB of data. At present, such computation lasts approximately 3 minutes if performed by means of a regular PC. The author discusses various approaches to the parallelization of the given problem. In the described context, the time required for the processing was shortened to 300 ms. This paper presents the computation of relaxation time T2 measured with the Spin Echo method. The tomograph provides a signal in which the important factor is the location of the peaks from individual measurements. These points must be interleaved with an exponential function. The described process has to be repeated for each pixel of the sensed tissue, and this requirement makes the processing of larger images very time-consuming. Assuming the resolution of 256x256, 20 slices, and 5 measurements with different times TE, it is necessary to reconstruct 1.3x10^6 exponential functions, which requires the processing of more than 6 MB of data. At present, such computation lasts approximately 3 minutes if performed by means of a regular PC. The author discusses various approaches to the parallelization of the given problem. In the described context, the time required for the processing was shortened to 300 ms. (en)
Title	Parallelized Calculation of the T2 Relaxation Time in MRI Parallelized Calculation of the T2 Relaxation Time in MRI (en)
skos:prefLabel	Parallelized Calculation of the T2 Relaxation Time in MRI Parallelized Calculation of the T2 Relaxation Time in MRI (en)
skos:notation	RIV/00216305:26220/14:PU109583!RIV15-MSM-26220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0039), P(GAP102/12/1104)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Mikulka, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	35714
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/14:PU109583
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CUDA, magnetic resonance, Spin Echo, T2 calculation. (en)
http://linked.open.../riv/klicoveSlovo	T2 calculation. CUDA magnetic resonance Spin Echo
http://linked.open...ontrolniKodProRIV	[634AC5433873]
http://linked.open...v/mistoKonaniAkce	Berlín
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	37th International Conference on Telecommunications and Signal Processing (TSP)
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Excellent young researcher at BUT Study of metabolism and localization of high grade glioma using MR imaging techniques
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Mikulka, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-07-01 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-214-4983-1
http://localhost/t...ganizacniJednotka	26220

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