3D mask face anti-spoofing with remote photoplethysmography

S Liu, PC Yuen, S Zhang, G Zhao - … The Netherlands, October 11–14, 2016 …, 2016 - Springer
Abstract 3D mask spoofing attack has been one of the main challenges in face recognition.
Among existing methods, texture-based approaches show powerful abilities and achieve …

Nonverbal social withdrawal in depression: Evidence from manual and automatic analyses

JM Girard, JF Cohn, MH Mahoor, SM Mavadati… - Image and vision …, 2014 - Elsevier
The relationship between nonverbal behavior and severity of depression was investigated
by following depressed participants over the course of treatment and video recording a …

Multimodal prediction of affective dimensions and depression in human-computer interactions

R Gupta, N Malandrakis, B Xiao, T Guha… - Proceedings of the 4th …, 2014 - dl.acm.org
Depression is one of the most common mood disorders. Technology has the potential to
assist in screening and treating people with depression by robustly modeling and tracking …

Robust face alignment under occlusion via regional predictive power estimation

H Yang, X He, X Jia, I Patras - IEEE Transactions on Image …, 2015 - ieeexplore.ieee.org
Face alignment has been well studied in recent years, however, when a face alignment
model is applied on facial images with heavy partial occlusion, the performance deteriorates …

Unified face analysis by iterative multi-output random forests

X Zhao, TK Kim, W Luo - Proceedings of the IEEE …, 2014 - openaccess.thecvf.com
In this paper, we present a unified method for joint face image analysis, ie, simultaneously
estimating head pose, facial expression and landmark positions in real-world face images …

Head movement dynamics during play and perturbed mother-infant interaction

Z Hammal, JF Cohn… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
We investigated the dynamics of head movement in mothers and infants during an age-
appropriate, well-validated emotion induction, the Still Face paradigm. In this paradigm …

A person-and time-varying vector autoregressive model to capture interactive infant-mother head movement dynamics

M Chen, SM Chow, Z Hammal… - Multivariate …, 2021 - Taylor & Francis
Head movement is an important but often overlooked component of emotion and social
interaction. Examination of regularity and differences in head movements of infant-mother …

High-speed video system for micro-expression detection and recognition

D Borza, R Danescu, R Itu, AS Darabant - Sensors, 2017 - mdpi.com
Micro-expressions play an essential part in understanding non-verbal communication and
deceit detection. They are involuntary, brief facial movements that are shown when a person …

Interpersonal coordination of headmotion in distressed couples

Z Hammal, JF Cohn, DT George - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In automatic emotional expression analysis, head motion has been considered mostly a
nuisance variable, something to control when extracting features for action unit or …

Landmark based head pose estimation benchmark and method

P Werner, F Saxen, A Al-Hamadi - 2017 IEEE international …, 2017 - ieeexplore.ieee.org
Head pose estimation can help in understanding human behavior or to improve head pose
invariance in various face analysis applications. Ready-to-use pose estimators are available …