Automatic analysis of facial actions: A survey

B Martinez, MF Valstar, B Jiang… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
As one of the most comprehensive and objective ways to describe facial expressions, the
Facial Action Coding System (FACS) has recently received significant attention. Over the …

A comprehensive survey on automatic facial action unit analysis

R Zhi, M Liu, D Zhang - The Visual Computer, 2020 - Springer
Abstract Facial Action Coding System is the most influential sign judgment method for facial
behavior, and it is a comprehensive and anatomical system which could encode various …

Automatic analysis of facial affect: A survey of registration, representation, and recognition

E Sariyanidi, H Gunes… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Automatic affect analysis has attracted great interest in various contexts including the
recognition of action units and basic or non-basic emotions. In spite of major efforts, there …

[HTML][HTML] Dynamic facial expressions of emotion transmit an evolving hierarchy of signals over time

RE Jack, OGB Garrod, PG Schyns - Current biology, 2014 - cell.com
Summary Designed by biological [1, 2] and social [3] evolutionary pressures, facial
expressions of emotion comprise specific facial movements [4–8] to support a near-optimal …

Multi-objective based spatio-temporal feature representation learning robust to expression intensity variations for facial expression recognition

DH Kim, WJ Baddar, J Jang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Facial expression recognition (FER) is increasingly gaining importance in various emerging
affective computing applications. In practice, achieving accurate FER is challenging due to …

Video-based emotion recognition in the wild using deep transfer learning and score fusion

H Kaya, F Gürpınar, AA Salah - Image and Vision Computing, 2017 - Elsevier
Multimodal recognition of affective states is a difficult problem, unless the recording
conditions are carefully controlled. For recognition “in the wild”, large variances in face pose …

Expression snippet transformer for robust video-based facial expression recognition

Y Liu, W Wang, C Feng, H Zhang, Z Chen, Y Zhan - Pattern Recognition, 2023 - Elsevier
Although Transformer can be powerful for modeling visual relations and describing
complicated patterns, it could still perform unsatisfactorily for video-based facial expression …

Learning affective video features for facial expression recognition via hybrid deep learning

S Zhang, X Pan, Y Cui, X Zhao, L Liu - IEEE Access, 2019 - ieeexplore.ieee.org
One key challenging issues of facial expression recognition (FER) in video sequences is to
extract discriminative spatiotemporal video features from facial expression images in video …

Discriminative spatiotemporal local binary pattern with revisited integral projection for spontaneous facial micro-expression recognition

X Huang, SJ Wang, X Liu, G Zhao… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Recently, there have been increasing interests in inferring mirco-expression from facial
image sequences. Due to subtle facial movement of micro-expressions, feature extraction …

An anomaly detection approach to face spoofing detection: A new formulation and evaluation protocol

SR Arashloo, J Kittler, W Christmas - IEEE access, 2017 - ieeexplore.ieee.org
Face spoofing detection is commonly formulated as a two-class recognition problem where
relevant features of both positive (real access) and negative samples (spoofing attempts) are …