Now showing items 61-66 of 66
Depth of field reduction for miniature-camera imaging
(NUI Galway, 2020-08-25)
This thesis investigates the reduction of depth-of- field for miniature camera systems, such as the ones embedded in smartphones. The work on digital shallow depth-of- field is already mature and implemented in most modern ...
On extending depth of field in fast photographic lenses
(NUI Galway, 2019-09-04)
Modern smartphone cameras are equipped with multiple camera modules. These modules are typically five millimetres in length limiting the focal length of the lens. To preserve resolution the entrance pupil of these lenses ...
Elucidating levels and pathways of human exposure in Ireland to POP-BFRs and PFOS (ELEVATE)
(NUI Galway, 2019-12-17)
BFRs such as hexabromocyclododecane (HBCDD) and polybrominated diphenyl ethers (PBDEs) were used as flame retardants (FRs) in soft furnishings, building insulation foams, electronic and electrical goods. Perfluoroalkyl ...
Investigation of radon prevention and mitigation: from radon measurements to specification for soil depressurisation systems
(NUI Galway, 2020-01-27)
Reduction of indoor radon concentration in buildings is considered to be an important public health issue, since radon was recognised as the leading cause of lung cancer after tobacco smoking by the World Health Organisation. ...
Accurate patient dosimetry in modern computed tomography systems
(NUI Galway, 2020-10-21)
The most common parameter used to estimate and minimise patient dose in computed tomography (CT) is the CT dose index (CTDI). The CTDI is the average absorbed dose from a series of contiguous irradiations along the long ...
Advancements in structural and functional imaging using Fourier domain optical coherence tomography
(NUI Galway, 2020-07-29)
Optical Coherence Tomography (OCT) is a non-invasive optical imaging modality based on low coherence interferometry that enables high resolution, cross sectional imaging in biological tissues and materials. One major ...