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Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

Patients with Frontotemporal Dementia (FTD) have impaired cognitive abilities, executive and behavioral traits, loss of language ability, and decreased memory capabilities. Based on the distinct patterns of cortical atrophy and symptoms,…

Artificial Intelligence · Computer Science 2021-04-13 Km Poonam , Rajlakshmi Guha , Partha P Chakrabarti

Temporal information can provide useful features for recognizing facial expressions. However, to manually design useful features requires a lot of effort. In this paper, to reduce this effort, a deep learning technique which is regarded as…

Computer Vision and Pattern Recognition · Computer Science 2015-03-06 Heechul Jung , Sihaeng Lee , Sunjeong Park , Injae Lee , Chunghyun Ahn , Junmo Kim

We present a novel deep learning-based framework to generate embedding representations of fine-grained emotions that can be used to computationally describe psychological models of emotions. Our framework integrates a contextualized…

Computation and Language · Computer Science 2021-04-21 Yuting Guo , Jinho Choi

This paper presents a shape-theoretic framework for dynamical analysis of nonlinear dynamical systems which appear frequently in several video-based inference tasks. Traditional approaches to dynamical modeling have included linear and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Vinay Venkataraman , Pavan Turaga

Facial Emotion Recognition is an inherently difficult problem, due to vast differences in facial structures of individuals and ambiguity in the emotion displayed by a person. Recently, a lot of work is being done in the field of Facial…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Aakash Saroop , Pathik Ghugare , Sashank Mathamsetty , Vaibhav Vasani

Emotion recognition from physiological signals remains challenging due to their non-stationary, noisy, and subject-dependent characteristics. This work presents, to the best of our knowledge, the first comprehensive application of liquid…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Anindya Bhattacharjee , Nittya Ananda Biswas , K. A. Shahriar , Adib Rahman

Cross-domain synthesizing realistic faces to learn deep models has attracted increasing attention for facial expression analysis as it helps to improve the performance of expression recognition accuracy despite having small number of real…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Behzad Bozorgtabar , Mohammad Saeed Rad , Hazim Kemal Ekenel , Jean-Philippe Thiran

The diversity of facial shapes and motions among persons is one of the greatest challenges for automatic analysis of facial expressions. In this paper, we propose a feature describing expression intensity over time, while being invariant to…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Maren Awiszus , Stella Graßhof , Felix Kuhnke , Jörn Ostermann

Although psychological research indicates that bodily expressions convey important affective information, to date research in emotion recognition focused mainly on facial expression or voice analysis. In this paper we propose an approach to…

Human-Computer Interaction · Computer Science 2014-02-21 Stefano Piana , Alessandra Staglianò , Francesca Odone , Alessandro Verri , Antonio Camurri

Facial action unit (FAU) intensities are popular descriptors for the analysis of facial behavior. However, FAUs are sparsely represented when only a few are activated at a time. In this study, we explore the possibility of representing the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Minh Tran , Ellen Bradley , Michelle Matvey , Joshua Woolley , Mohammad Soleymani

Emotion recognition is the task of classifying perceived emotions in people. Previous works have utilized various nonverbal cues to extract features from images and correlate them to emotions. Of these cues, situational context is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Willams de Lima Costa , Estefania Talavera Martinez , Lucas Silva Figueiredo , Veronica Teichrieb

This paper presents a novel visual-language model called DFER-CLIP, which is based on the CLIP model and designed for in-the-wild Dynamic Facial Expression Recognition (DFER). Specifically, the proposed DFER-CLIP consists of a visual part…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Zengqun Zhao , Ioannis Patras

The early identification and intervention of latent depression are of significant societal importance for mental health governance. While current automated detection methods based on social media have shown progress, their decision-making…

Quantitative Methods · Quantitative Biology 2025-12-17 Junwei Kuang , Jiaheng Xie , Zhijun Yan

This paper presents a multi-pose face recognition approach using hybrid face features descriptors (HFFD). The HFFD is a face descriptor containing of rich discriminant information that is created by fusing some frequency-based features…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 I Gede Pasek Suta Wijaya , Keiichi Uchimura , Gou Koutaki

Emotion is an essential part of Artificial Intelligence (AI) and human mental health. Current emotion recognition research mainly focuses on single modality (e.g., facial expression), while human emotion expressions are multi-modal in…

Human-Computer Interaction · Computer Science 2020-12-22 Yu Gu , Xiang Zhang , Zhi Liu , Fuji Ren

A 3D avatar typically has one of six cardinal facial expressions. To simulate realistic emotional variation, we should be able to render a facial transition between two arbitrary expressions. This study presents a new framework for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Anh H. Vo , Tae-Seok Kim , Hulin Jin , Soo-Mi Choi , Yong-Guk Kim

We propose an automatic method to estimate self-reported pain based on facial landmarks extracted from videos. For each video sequence, we decompose the face into four different regions and the pain intensity is measured by modeling the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Benjamin Szczapa , Mohamed Daoudi , Stefano Berretti , Pietro Pala , Alberto Del Bimbo , Zakia Hammal

As artificial intelligence (AI) systems become increasingly embedded in our daily life, the ability to recognize and adapt to human emotions is essential for effective human-computer interaction. Facial expression recognition (FER) provides…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Thibault Geoffroy , Myriam Maumy , Lionel Prevost

Facial emotional recognition is one of the essential tools used by recognition psychology to diagnose patients. Face and facial emotional recognition are areas where machine learning is excelling. Facial Emotion Recognition in an…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Nitesh Banskota , Abeer Alsadoon , P. W. C. Prasad , Ahmed Dawoud , Tarik A. Rashid , Omar Hisham Alsadoon
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