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Gesture centric interaction: evaluating hand and head gestures in touchless cursor control.
Ergonomics
October 2024
Department of Information Technology, Kannur University, Kannur, Kerala, India.
Touchless interfaces have gained considerable importance in the modern era, particularly due to their user-friendly and hygienic nature of interaction. This article presents the designing of two touchless cursor control systems based on hand gestures and head movements utilising the MediaPipe framework to extract the key landmarks of the hand and face utilising a laptop camera. The index finger's landmark points are tracked and converted to corresponding screen coordinates for cursor control.
View Article and Find Full Text PDFEditorial: Introducing the British Psychological Society Journals' landmark special issue on inequality.
Br J Psychol
November 2023
Chair of the Editorial Advisory Group for the BPS journals.
The Diastolic Blood Pressure J-Curve in Hypertension Management: Links and Risk for Cardiovascular Disease.
Integr Blood Press Control
December 2021
National Institute for Prevention and Cardiovascular Health, National University of Ireland Galway, School of Medicine, Galway, Ireland.
Purpose Of Review: The treatment of hypertension has changed dramatically over the last century, with recent trials informing clinical guidelines that recommend aiming for lower blood pressure (BP) targets than ever before. However, a "J"- or "U-shaped curve" in the association between diastolic BP and cardiovascular events has been observed in epidemiological studies, suggesting that both high diastolic BPs and diastolic BPs below a certain nadir are associated with higher risk of cardiovascular disease (CVD) events. Despite the potential for confounding and reverse causation, this association may caution against overly intensive BP lowering in some hypertensive adults who also have a low baseline diastolic BP.
View Article and Find Full Text PDFA functional ultrasound brain GPS for automatic vascular-based neuronavigation.
Sci Rep
July 2021
Physics for Medicine, INSERM U1273, ESPCI Paris, CNRS UMR 8063, PSL Research University, 17 rue Moreau, Paris, France.
Recent advances in ultrasound imaging triggered by transmission of ultrafast plane waves have rendered functional ultrasound (fUS) imaging a valuable neuroimaging modality capable of mapping cerebral vascular networks, but also for the indirect capture of neuronal activity with high sensitivity thanks to the neurovascular coupling. However, the expansion of fUS imaging is still limited by the difficulty to identify cerebral structures during experiments based solely on the Doppler images and the shape of the vessels. In order to tackle this challenge, this study introduces the vascular brain positioning system (BPS), a GPS of the brain.
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