Search Results - "Lanca, Luis"

A novel method for comparing radiation dose and image quality, between and within different x-ray units in a series of hospitals by Al-Murshedi, Sadeq, Hogg, Peter, Lanca, Luis, England, Andrew

“…To develop a novel method for comparing radiation dose and image quality (IQ) to evaluate adult chest x-ray (CXR) imaging among several hospitals. CDRAD 2.0…”
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Digital radiography detectors – A technical overview: Part 2 by Lança, Luís, Silva, Augusto

“…Abstract Digital X-ray detector technologies provide several advantages when compared with screen-film (SF) systems: better diagnostic quality of the…”
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Digital radiography detectors – A technical overview: Part 1 by Lança, Luís, Silva, Augusto

“…Abstract During the last two decades screen-film (SF) systems have been replaced by digital X-ray systems. The advent of digital technologies brought a number…”
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10 kVp rule – An anthropomorphic pelvis phantom imaging study using a CR system: Impact on image quality and effective dose using AEC and manual mode by Lança, Luís, Franco, Loris, Ahmed, Abdulfatah, Harderwijk, Marloes, Marti, Chloe, Nasir, Sadeeda, Ndlovu, Junior, Oliveira, Miguel, Santiago, Ana Rita, Hogg, Peter

“…Abstract Purpose This study aims to investigate the influence of tube potential (kVp) variation in relation to perceptual image quality and effective dose ( E…”
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Are Antimony-Bismuth Aprons as Efficient as Lead Rubber Aprons in Providing Shielding against Scattered Radiation? by Johansen, Safora, Hauge, Ingrid Helen Ryste, Hogg, Peter, England, Andrew, Lança, Luís, Gunn, Catherine, Sanderud, Audun

“…The aim of this study is to compare the absorption ability of two lead-free aprons with a lead apron. The absorption ability of three aprons was measured and…”
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Lesion detection performance: comparative analysis of low-dose CT data of the chest on two hybrid imaging systems by Jessop, Maryam, Thompson, John D, Coward, Joanne, Sanderud, Audun, Jorge, José, de Groot, Martijn, Lança, Luís, Hogg, Peter

“…Incidental findings on low-dose CT images obtained during hybrid imaging are an increasing phenomenon as CT technology advances. Understanding the diagnostic…”
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Singapore radiographers' perceptions and expectations of artificial intelligence - A qualitative study by Ng, Chloe Theresia, Roslan, Sri Nur Aidah, Chng, Yi Hong, Choong, Denise Ai Wen, Chong, Ai Jia Letty, Tay, Yi Xiang, Lança, Luis, Chua, Eric Chern-Pin

“…With the emergence of artificial intelligence (AI) in medical imaging, radiographers are likely to be at the forefront of this technological advancement…”
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Initial Realization of a Sensor Fusion Based Onboard Maritime Integrated PNT Unit by Ziebold, Ralf, Dai, Zhen, Lanca, Luis, Noack, Thoralf, Engler, Evelin

“…This paper introduces the basic concept of the Position Navigation and Timing (PNT) Module as future part of a ship side Integrated Navigation System (INS)…”
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The perceptions and willingness of radiographers to extend their roles and become reporting radiographers in Abu Dhabi, the United Arab Emirates (UAE) by Alkatheeri, Ajnas, Salih, Suliman, Alblooshi, Sara, Lanca, Luis, Almarri, Bashayer, Al-Horani, Qays

“…There has been an increase in the need for diagnostic imaging services globally, which is faster than the capacity of radiologists. The current workforce model…”
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On fault detection and exclusion in snapshot and recursive positioning algorithms for maritime applications by Ziebold, Ralf, Lanca, Luis, Romanovas, Michailas

“…Introduction Resilient provision of Position, Navigation and Timing (PNT) data can be considered as a key element of the e-Navigation strategy developed by the…”
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A method for IMU/GNSS/Doppler Velocity Log integration in marine applications by Romanovas, Michailas, Ziebold, Ralf, Lanca, Luis

“…Although the GNSS/GPS had become the primary source for Positioning, Navigation and Timing (PNT) information in maritime applications, the ultimate performance…”
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Visual Function Assessment in Medical Imaging Research by Lança, Carla, Thompson, John D, Lança, Luis, Hogg, Peter

“…Medical image perception research relies on visual data to study the diagnostic relationship between observers and medical images. A consistent method to…”
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Evaluation of exposure index (IgM) in orthopaedic radiography by Lança, L., Silva, A.

“…The exposure index (lgM) obtained from a radiographic image may be a useful feedback indicator to the radiographer about the appropriate exposure level in…”
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Assessment of the effective dose received by the radiographer at the occupational context by Vera Sousa, Luís Lança

“…Introduction – As part of its work, the Radiographer is exposed to ionizing radiation and subjected to its potential biological effects. Materials and methods…”
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Evaluation of exposure parameters in plain radiography: a comparative study with European guidelines by Lança, L., Silva, A., Alves, E., Serranheira, F., Correia, M.

“…Typical distribution of exposure parameters in plain radiography is unknown in Portugal. This study aims to identify exposure parameters that are being used in…”
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SISPRAD: SOFTWARE FOR RADIOLOGICAL PROTECTION MANAGEMENT IN A HOSPITAL ENVIRONMENT by Huhn, Andréa, Vargas, Mara Ambrosina de Oliveira, Lorenzetti, Jorge, Gelbcke, Francine Lima, Lança, Luís, Queiroz, Carlos

“…ABSTRACT Objective: to describe the software for the management of radiological protection, SisPRad, and its construction process, as well as to analyze its…”
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Visual perception and diagnostic evaluation in mammography: a systematic review by Carla Lança, Cláudia Reis, Luís Lança

“…Introduction – Diagnostic evaluation in mammography could be influenced by the radiologist performance that could be under diagnostic errors. Aims – To…”
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A multi institutional comparison of imaging dose and technique protocols for neonatal chest radiography by Gunn, C., O'Brien, K., Fosså, K., Tonkopi, E., Lanca, L., Martins, C.T., Muller, H., Friedrich-Nel, H., Abdolell, M., Johansen, S.

“…The focus on paediatric radiation dose reduction supports reevaluation of paediatric imaging protocols. This is particularly important in the neonates where…”
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White matter lesions by magnetic resonance: an assessment between DWI and T2 FLAIR techniques by Carla Campos, Raquel Silva, Maria Margarida Ribeiro, Luís Lança

“…Objectives – To determine the sensitivity and specificity of diffusion weighted (DWI) and Fluid-Attenuated Inversion Recovery (T2 FLAIR) in the evaluation of…”
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IMPLEMENTATION OF A RADIATION PROTECTION PROGRAM: OPINION OF THE HEALTH TEAM WORKING IN A RADIOLOGY SERVICE by Huhn, Andrea, Vargas, Mara Ambrosina de Oliveira, Melo, Juliana Almeida Coelho de, Gelbcke, Francine Lima, Ferreira, Micheli Leal, Lança, Luís

“…ABSTRACT Objective: to identify the participation of a multi-professional healthcare team in a Radiation Protection Program, and to describe the implementation…”
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