Author: Youngjun Cho

iBVPNet and Toolkit for iBVP Dataset (2024)

Remote photo-plethysmography (rPPG) has emerged as a non-intrusive and promising physiological sensing capability in human–computer interface (HCI) research, gradually extending its applications in health-monitoring and clinical care contexts. With advanced machine learning models, recent datasets collected in real-world conditions have

PhysioKit: Open-Source, Low-Cost Physiological Computing Toolkit

The proliferation of physiological sensors opens new opportunities to explore interactions, conduct experiments and evaluate the user experience with continuous monitoring of bodily functions. Commercial devices, however, can be costly or limit access to raw waveform data, while low-cost sensors

SAM-CL for Reliable segmentation of thermal facial images in unconstrained settings (2022)

Segmentation of thermal facial images is a challenging task. This is because facial features often lack salience due to high-dynamic thermal range scenes and occlusion issues. Limited availability of datasets from unconstrained settings further limits the use of the state-of-the-art

EEG Neurofeedback for Motor Rehabilitation: Systematic Review and Meta-analysis

Preprint 2022 Yu-Wei Yang and Youngjun ChoDepartment of Computer Science, University College London, London, UK EEG neurofeedback has shown positive effects on motor rehabilitation in daily settings. However, high heterogeneity between existing works has been identified given a lack of

How Real-Time Social Biofeedback could affect University Students’ Presentation Experiences: A Mixed Method Approach

Preprint 2022 Selina He and Youngjun ChoDepartment of Computer Science, University College London, London, UK Public speaking is an essential soft skill for professional development. However, public speaking tends to be one of the stressors to university students. Here, we

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