Biosignal-based human–machine interfaces for assistance and rehabilitation: A survey

D Esposito, J Centracchio, E Andreozzi, GD Gargiulo… - Sensors, 2021 - mdpi.com
As a definition, Human–Machine Interface (HMI) enables a person to interact with a device.
Starting from elementary equipment, the recent development of novel techniques and …

PPGface: Like what you are watching? Earphones can" feel" your facial expressions

S Choi, Y Gao, Y **, SJ Kim, J Li, W Xu… - Proceedings of the ACM …, 2022 - dl.acm.org
Recognition of facial expressions has been widely explored to represent people's emotional
states. Existing facial expression recognition systems primarily rely on external cameras …

Black tea classification employing feature fusion of E-Nose and E-Tongue responses

MB Banerjee, RB Roy, B Tudu… - Journal of food …, 2019 - Elsevier
In this article, wavelet energy feature (WEF) has been extracted from the responses of e-
nose and e-tongue for the classification of different grades of Indian black tea. For WEF …

Realistic facial expression reconstruction for VR HMD users

J Lou, Y Wang, C Nduka, M Hamedi… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We present a system for sensing and reconstructing facial expressions of the virtual reality
(VR) head-mounted display (HMD) user. The HMD occludes a large portion of the user's …

Performance enhancement of facial electromyogram-based facial-expression recognition for social virtual reality applications using linear discriminant analysis …

HS Cha, CH Im - Virtual Reality, 2022 - Springer
Recent studies have indicated that facial electromyogram (fEMG)-based facial-expression
recognition (FER) systems are promising alternatives to the conventional camera-based …

Real-time recognition of facial expressions using facial electromyograms recorded around the eyes for social virtual reality applications

HS Cha, SJ Choi, CH Im - IEEE Access, 2020 - ieeexplore.ieee.org
Recent developments of social virtual reality (VR) services using avatars have increased the
need for facial expression recognition (FER) technology. FER systems are generally …

Improvement of robustness against electrode shift for facial electromyogram-based facial expression recognition using domain adaptation in VR-based metaverse …

HS Cha, CH Im - Virtual Reality, 2023 - Springer
Recognition of users' facial expressions and reflecting them on the face of the user's virtual
avatar is a key technology for realizing immersive virtual reality (VR)-based metaverse …

Objectifying facial expressivity assessment of Parkinson's patients: preliminary study

P Wu, I Gonzalez, G Patsis, D Jiang… - … methods in medicine, 2014 - Wiley Online Library
Patients with Parkinson's disease (PD) can exhibit a reduction of spontaneous facial
expression, designated as “facial masking,” a symptom in which facial muscles become …

Long**g tea quality classification by fusion of features collected from E-nose

Y Dai, R Zhi, L Zhao, H Gao, B Shi, H Wang - Chemometrics and Intelligent …, 2015 - Elsevier
Electronic nose (E-nose) was employed for quality classification of **hu-Long**g tea in this
paper. Four grades of **hu-Long**g tea, which were classified by tea experts, were …

EMG-based facial gesture recognition through versatile elliptic basis function neural network

M Hamedi, SH Salleh, M Astaraki, AM Noor - Biomedical engineering …, 2013 - Springer
Background Recently, the recognition of different facial gestures using facial neuromuscular
activities has been proposed for human machine interfacing applications. Facial …