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Browsing University of Hertfordshire by Author "Ravi, Daniele"
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Augmenting dementia cognitive assessment with instruction-less eye-tracking tests
Mengoudi, Kyriaki; Ravi, Daniele; Yong, Keir X.X.; Primativo, Silvia; Pavisic, Ivanna M.; Brotherhood, Emilie; Lu, Kirsty; Schott, Jonathan M.; Crutch, Sebastian J.; Alexander, Daniel C. (2020-11)Eye-tracking technology is an innovative tool that holds promise for enhancing dementia screening. In this work, we introduce a novel way of extracting salient features directly from the raw eye-tracking data of a mixed ... -
Degenerative adversarial neuroimage nets for brain scan simulations: Application in ageing and dementia
for the Alzheimer's Disease Neuroimaging Initiative; Ravi, Daniele; Blumberg, Stefano B.; Ingala, Silvia; Barkhof, Frederik; Alexander, Daniel C.; Oxtoby, Neil P. (2022-01-01)Accurate and realistic simulation of high-dimensional medical images has become an important research area relevant to many AI-enabled healthcare applications. However, current state-of-the-art approaches lack the ability ... -
An efficient semi-supervised quality control system trained using physics-based MRI-artefact generators and adversarial training
Alzheimer’s Disease Neuroimaging Initiative; Ravi, Daniele; Barkhof, Frederik; Alexander, Daniel C.; Puglisi, Lemuel; Parker, Geoffrey J.M.; Eshaghi, Arman (2024-01-30)Large medical imaging data sets are becoming increasingly available. A common challenge in these data sets is to ensure that each sample meets minimum quality requirements devoid of significant artefacts. Despite a wide ...