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All Outputs (17)

Relationship between body habitus and image quality and radiation dose in chest x-ray examinations : a phantom study (2018)
Journal Article
Al-Murshedi, S., Hogg, P., & England, A. (2019). Relationship between body habitus and image quality and radiation dose in chest x-ray examinations : a phantom study. Physica Medica, 57(Jan 19), 65-71. https://doi.org/10.1016/j.ejmp.2018.12.009

Purpose: To evaluate the influence of being overweight on image
quality (IQ), radiation dose and acquisition parameters when undertaking
adult chest x-ray (CXR) examinations using routine acquisition protocols.
Methods: The Lungman chest phantom... Read More about Relationship between body habitus and image quality and radiation dose in chest x-ray examinations : a phantom study.

ROI-based reversible watermarking scheme for ensuring the integrity and authenticity of DICOM MR images (2018)
Journal Article
Qasim, A., Aspin, R., Meziane, F., & Hogg, P. (2019). ROI-based reversible watermarking scheme for ensuring the integrity and authenticity of DICOM MR images. Multimedia Tools and Applications, 78(12), 16433-16463. https://doi.org/10.1007/s11042-018-7029-7

Reversible and imperceptible watermarking is recognized as a robust approach to confirm the integrity and authenticity of medical images and to verify that alterations can be detected and tracked back. In this paper, a novel blind reversible watermar... Read More about ROI-based reversible watermarking scheme for ensuring the integrity and authenticity of DICOM MR images.

Assessment of perceptual distortion boundary through applying reversible watermarking to brain MR images (2018)
Journal Article
Qasim, A., Aspin, R., Meziane, F., & Hogg, P. (2019). Assessment of perceptual distortion boundary through applying reversible watermarking to brain MR images. Signal Processing: Image Communication, 70, 246-258. https://doi.org/10.1016/j.image.2018.10.007

The digital medical workflow faces many circumstances in which the images can be manipulated during viewing, extracting and exchanging. Reversible and imperceptible watermarking approaches have the potential to enhance trust within the medical imagin... Read More about Assessment of perceptual distortion boundary through applying reversible watermarking to brain MR images.

Impact of body part thickness on AP pelvis radiographic image quality and effective dose (2018)
Journal Article
Alzyoud, K., Hogg, P., & England, A. (2019). Impact of body part thickness on AP pelvis radiographic image quality and effective dose. Radiography, 25(1), e11-e17. https://doi.org/10.1016/j.radi.2018.09.001

Introduction: Within medical imaging variations in patient size can generate challenges, especially when selecting appropriate acquisition parameters. This experiment sought to evaluate the impact of increasing body part thickness on image quality (... Read More about Impact of body part thickness on AP pelvis radiographic image quality and effective dose.

A novel method for comparing radiation dose and image quality, between and within different X-ray units in a series of hospitals (2018)
Journal Article
Al-Murshedi, S., Hogg, P., Lanca, L., & England, A. (2018). A novel method for comparing radiation dose and image quality, between and within different X-ray units in a series of hospitals. Journal of Radiological Protection, 38(4), https://doi.org/10.1088/1361-6498/aae3fa

Objectives: To develop a novel method for comparing radiation dose and image quality (IQ) to evaluate adult chest X-ray (CXR) imaging among several hospitals.
Methods: CDRAD 2.0 phantom was used to acquire images in eight hospitals (17 digital X-r... Read More about A novel method for comparing radiation dose and image quality, between and within different X-ray units in a series of hospitals.

Construction and validation of a low cost paediatric pelvis phantom (2018)
Journal Article
Ali, M., Hogg, P., Johansen, S., & England, A. (2018). Construction and validation of a low cost paediatric pelvis phantom. European Journal of Radiology, 108, 84-91. https://doi.org/10.1016/j.ejrad.2018.09.015

PURPOSE: Imaging phantoms can be cost prohibitive, therefore a need exists to produce low cost alternatives which are fit for purpose. This paper describes the development and validation of a low cost paediatric pelvis phantom based on the anatomy o... Read More about Construction and validation of a low cost paediatric pelvis phantom.

Determining and updating PET/CT and SPECT/CT diagnostic reference levels : a systematic review (2018)
Journal Article
Alkhybari, E., McEntee, M., Brennan, P., Willowson, K., Hogg, P., & Kench, P. (2018). Determining and updating PET/CT and SPECT/CT diagnostic reference levels : a systematic review. Radiation Protection Dosimetry, 182(4), 532-545. https://doi.org/10.1093/rpd/ncy113

The aim of this systematic review is to investigate the national diagnostic reference level (NDRL) methods for positron emission tomography/computed tomography (PET/CT) and single photon emission tomography/computed tomography (SPECT/CT) procedures.... Read More about Determining and updating PET/CT and SPECT/CT diagnostic reference levels : a systematic review.

An investigation of pressure ulcer risk, comfort and pain in medical imaging (2018)
Journal Article
Angmorterh, S., England, A., Szczepura, S., Anaman-Torgbor, J., Ofori, E., Webb, J., …Hogg, P. (2019). An investigation of pressure ulcer risk, comfort and pain in medical imaging. Journal of Medical Imaging and Radiation Sciences, 50(1), 43-52. https://doi.org/10.1016/j.jmir.2018.07.003

In this study, we investigated the interface pressure of healthy volunteers on medical imaging (MI) table surfaces to determine the risks of developing pressure ulcers (PU). We also investigated volunteers’ perception of pain and comfort while lying... Read More about An investigation of pressure ulcer risk, comfort and pain in medical imaging.

Calculating individual lifetime effective risk from initial mean glandular dose arising from the first screening mammogram (2018)
Journal Article
Ali, R., England, A., Mercer, C., & Hogg, P. (2018). Calculating individual lifetime effective risk from initial mean glandular dose arising from the first screening mammogram. Journal of Medical Imaging and Radiation Sciences, 49(4), 406-413. https://doi.org/10.1016/j.jmir.2018.06.005

Objectives: To use the initial mean glandular dose (MGD) arising from the first screening mammogram to estimate the individual total screening lifetime effective risk.
Methods: Organ doses from FFDM screening exposures (craniocaudal and mediolatera... Read More about Calculating individual lifetime effective risk from initial mean glandular dose arising from the first screening mammogram.

Breast compression across consecutive examinations among females participating in BreastScreen Norway (2018)
Journal Article
Waade, G., Sebuødegård, S., Hogg, P., & Hofvind, S. (2018). Breast compression across consecutive examinations among females participating in BreastScreen Norway. British Journal of Radiology, 91(1090), https://doi.org/10.1259/bjr.20180209

Objectives
Breast compression is used in mammography to improve image quality and reduce radiation dose. However, optimal values for compression force are not known, and studies has found large variation in use of compression forces between breast... Read More about Breast compression across consecutive examinations among females participating in BreastScreen Norway.

An investigation into the validity of utilising the CDRAD 2.0 phantom for optimisation studies in digital radiography (2018)
Journal Article
Al-Murshedi, S., Hogg, P., & England, A. (2018). An investigation into the validity of utilising the CDRAD 2.0 phantom for optimisation studies in digital radiography. British Journal of Radiology, 91(1089), https://doi.org/10.1259/bjr.20180317

Objectives: To determine if a relationship exists between low contrast detail (LCD) detectability using the CDRAD 2.0 phantom, visual measures of image quality (IQ) and simulated lesion visibility (LV) when performing digital chest radiography (CXR).... Read More about An investigation into the validity of utilising the CDRAD 2.0 phantom for optimisation studies in digital radiography.

Optimum positioning for AP pelvis radiography : a literature review (2018)
Journal Article
Alzyoud, K., Hogg, P., Snaith, B., Flintham, K., & England, A. (2018). Optimum positioning for AP pelvis radiography : a literature review. Journal of Medical Imaging and Radiation Sciences, 49(3), 316-324. https://doi.org/10.1016/j.jmir.2018.04.025

Aim

Pelvic radiography is used for the identification of hip joint changes, including pathologies such as osteoarthritis. Several studies have recommended that the position for this radiological procedure should be standing, not supine, to reflec... Read More about Optimum positioning for AP pelvis radiography : a literature review.

Effective lifetime radiation risk for a number of national mammography screening programmes (2018)
Journal Article
Ali, R., England, A., McEntee, M., Tootell, A., Mercer, C., & Hogg, P. (2018). Effective lifetime radiation risk for a number of national mammography screening programmes. Radiography, 24(3), 240-246. https://doi.org/10.1016/j.radi.2018.02.001

Background and purpose: The performance of mammography screening programmes is focussed mainly on breast cancer detection rates. However, when the benefits and risks of mammography are considered, the risk of radiation-induced cancer is calculated fo... Read More about Effective lifetime radiation risk for a number of national mammography screening programmes.

Are antimony-bismuth aprons as efficient as lead rubber aprons in providing shielding against scattered radiation (2018)
Journal Article
Johansen, S., Hauge, I., Hogg, P., England, A., Lanca, L., Gunn, C., & Sanderud, A. (2018). Are antimony-bismuth aprons as efficient as lead rubber aprons in providing shielding against scattered radiation. Journal of Medical Imaging and Radiation Sciences, 49(2), 201-206. https://doi.org/10.1016/j.jmir.2018.02.002

Aim: To compare the absorption ability of two lead-free aprons with a lead apron.
Method: Measure and compare the absorption ability of 3 aprons; OpaqFu bilayer apron containing bismuth and antimony, NoLead one layer apron containing antimony, and... Read More about Are antimony-bismuth aprons as efficient as lead rubber aprons in providing shielding against scattered radiation.

Malignant breast masses-conspicuity analysis in motionsimulated mammograms (2018)
Presentation / Conference
mammograms. Poster presented at The 2018 European Congress of Radiology (ECR), Vienna

The conspicuity of a mass represents a ratio between the contrast of a mass and its surrounding complexity. Measuring the conspicuity of lesions attempts to characterise the visibility of a lesion in terms of the imaging systems diagnostic capabiliti... Read More about Malignant breast masses-conspicuity analysis in motionsimulated mammograms.