Results 31 to 40 of about 15,561,549 (138)

Image quality evaluation of a small animal PET scanner

Brazilian Journal of Radiation Sciences, 2020
Performance testing of small animal PET scanners is very important to ensure the high performance required for this particular type of PET scanner. In this sense, National Electrical Manufactures Association (NEMA) published its NU 4/2008 standards, a ...
Andréa Vidal Ferreira, Rodrigo Modesto Gadelha Gontijo, Guilherme Cavalcante de Albuquerque Souza, Bruno Melo Mendes, Juliana Batista da Silva, Marcelo Mamede   +5 more
doaj   +1 more source

Morphometric analysis and prioritisation of watersheds for flood risk management in Wadi Easal Basin (WEB), Jordan, using geospatial technologies

Journal of Flood Risk Management, Volume 14, Issue 2, June 2021., 2021
Abstract Morphometric analysis and sub‐watersheds prioritisation were carried out for the Wadi Easal Basin, Jordan, which is characterised by a high topographic diversity. The total ranking method was applied to prioritise the sub‐watersheds in terms of susceptibility to flash flood.
Mutawakil Obeidat, Muheeb Awawdeh, Farah Al‐Hantouli   +2 more
wiley   +1 more source

Quality control of small animal PET scanner: The Brazilian Scenario

Brazilian Journal of Radiation Sciences, 2020
This work aims to evaluate the quality control program for small animal PET (positron emission tomography) scanners in Brazil. A questionnaire focused on type of small animal PET scanner and quality assurance program was prepared and sent to all ...
Rodrigo Modesto Gadelha Gontijo, Andréa Vidal Ferreira, Juliana Batista Silva, Marcelo Mamede   +3 more
doaj   +1 more source

Image quality evaluation for two different positron emitters in a preclinical PET scanner

Brazilian Journal of Radiation Sciences, 2020
Positron emission tomography (PET) is widely used in preclinical trials, generating molecular images applied to biochemical, metabolic and functional investigation of organs and tissues.
Rodrigo Modesto Gadelha, Andréa Vidal Ferreira, Guilherme Albuquerque Cavalcante Souza, Juliana Batista Silva, Marcelo Mamede   +4 more
doaj   +1 more source

Reconstruction of Preclinical PET Images via Chebyshev Polynomial Approximation of the Sinogram

Applied Sciences, 2022
Over the last decades, there has been an increasing interest in dedicated preclinical imaging modalities for research in biomedicine. Especially in the case of positron emission tomography (PET), reconstructed images provide useful information of the ...
Nicholas E. Protonotarios, Athanassios S. Fokas, Alexandros Vrachliotis, Vangelis Marinakis, Nikolaos Dikaios, George A. Kastis   +5 more
doaj   +1 more source

Artificial neural network-statistical approach for PET volume analysis and classification [PDF]

, 2012
Copyright © 2012 The Authors. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.This ...
Maysam Abbod, Abbod, Maysam, Amira, A, Mhd Saeed Sharif, Zaidi, Habib, Abbod, MF, Zaidi, H, Habib Zaidi, Amira, Abbes, Abbes Amira, Sharif, MS, Sharif, Mhd Saeed, Sharif, Saeed   +12 more
core   +1 more source

Using the NEMA NU 4 PET image quality phantom in multipinhole small-animal SPECT [PDF]

, 2011
Contains fulltext : 96506.pdf (Publisher’s version ) (Open Access)Several commercial small-animal SPECT scanners using multipinhole collimation are presently available.
Boerman, O.C., Slump, Cornelis H., Jonathan A. Disselhorst, Cornelis H. Slump, Meeuwis, A.P.W., Oyen, W.J.G., Otto C. Boerman, Harteveld, A.A., Visser, E.P., Wim J.G. Oyen, Disselhorst, J.A., Antoi P.W. Meeuwis, Eric P. Visser, Anita A. Harteveld, Slump, C.H.   +14 more
core   +1 more source

Correction: Doss et al. Performance Evaluation of a PET of 7T Bruker Micro-PET/MR Based on NEMA NU 4-2008 Standards. Electronics 2022, 11, 2194

Electronics, 2022
In the original publication, the Institutional Review Board Statement was not included [...]
Kishore Krishnagiri Manoj Doss, Pei En Mion, Yu-Chieh Jill Kao, Tsung-Ter Kuo, Jyh-Cheng Chen   +4 more
openaire   +1 more source

Influence of detectors efficiency normalization on small animal PET image quality

Brazilian Journal of Radiation Sciences, 2019
LabPET GE 4 (a small animal positron emission tomograph) image acquisition is done by 1536 independents channels. Differences in the rate counting of each channel must be corrected so as not compromise image quality. Equipment user manual recommends that
Mateus Gesulado Carneiro de Santana, Guilherme Cavalcante de Albuquerque Souza, Rodrigo Modesto Gadelha Gontijo, Bruno Melo Mendes, Andréa Vidal Ferreira   +4 more
doaj   +1 more source

Performance evaluation for 68Ga and 18F of the ARGUS small-animal PET scanner based on the NEMA NU-4 standard [PDF]

, 2010
Proceeding of: 2010 IEEE Nuclear Science Symposium, Medical Imaging Conference and 17th Room Temperature Semiconductor Detector Workshop (IEEE), Knoxville, Tennessee, USA, October 30 - November 6, 201068Ga is one of the non-conventional nuclides that are
Vicente, Esther, Vaquero, Juan José, Romero, L., Desco Menéndez, Manuel, Desco, Manuel, Romero Sanz, E., Cañadas, Mario, Oteo Vives, M., Vaquero López, Juan José, Udías, José Manuel, Cañadas Castro, Mario   +10 more
core   +1 more source