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Although state-of-the-art classifiers for facial expression recognition (FER) can achieve a high level of accuracy, they lack interpretability, an important feature for end-users. Experts typically associate spatial action units (AUs) from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Soufiane Belharbi , Marco Pedersoli , Alessandro Lameiras Koerich , Simon Bacon , Eric Granger

Diversity of the features extracted by deep neural networks is important for enhancing the model generalization ability and accordingly its performance in different learning tasks. Facial expression recognition in the wild has attracted…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Negar Heidari , Alexandros Iosifidis

Dynamic Facial Expression Recognition (DFER) plays a critical role in affective computing and human-computer interaction. Although existing methods achieve comparable performance, they inevitably suffer from performance degradation under…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Feng-Qi Cui , Anyang Tong , Jinyang Huang , Jie Zhang , Dan Guo , Zhi Liu , Meng Wang

This paper proposes a feature-based domain adaptation technique for identifying emotions in generic images, encompassing both facial and non-facial objects, as well as non-human components. This approach addresses the challenge of the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Puneet Kumar , Balasubramanian Raman

Facial expression recognition is a challenging task due to two major problems: the presence of inter-subject variations in facial expression recognition dataset and impure expressions posed by human subjects. In this paper we present a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Kamran Ali , Ilkin Isler , Charles Hughes

Emotional Intelligence in Human-Computer Interaction has attracted increasing attention from researchers in multidisciplinary research fields including psychology, computer vision, neuroscience, artificial intelligence, and related…

Human-Computer Interaction · Computer Science 2020-02-25 Amine Djerghri , Ahmed Rachid Hazourli , Alice Othmani

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

In this paper, an effective pipeline to automatic 4D Facial Expression Recognition (4D FER) is proposed. It combines two growing but disparate ideas in Computer Vision -- computing the spatial facial deformations using tools from Riemannian…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qingkai Zhen , Di Huang , Yunhong Wang , Hassen Drira , Boulbaba Ben Amor , Mohamed Daoudi

Long Short-Term Memory (LSTM) has achieved state-of-the-art performances on a wide range of tasks. Its outstanding performance is guaranteed by the long-term memory ability which matches the sequential data perfectly and the gating…

Neural and Evolutionary Computing · Computer Science 2019-01-29 Shiwei Liu , Decebal Constantin Mocanu , Mykola Pechenizkiy

Existing information on AI-based facial emotion recognition (FER) is not easily comprehensible by those outside the field of computer science, requiring cross-disciplinary effort to determine a categorisation framework that promotes the…

Artificial Intelligence · Computer Science 2025-01-14 R. Yamamoto Ravenor

Recently, the recognition task of spontaneous facial micro-expressions has attracted much attention with its various real-world applications. Plenty of handcrafted or learned features have been employed for a variety of classifiers and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Zhaoqiang Xia , Xiaopeng Hong , Xingyu Gao , Xiaoyi Feng , Guoying Zhao

Despite significant progress over the past few years, ambiguity is still a key challenge in Facial Expression Recognition (FER). It can lead to noisy and inconsistent annotation, which hinders the performance of deep learning models in…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nhat Le , Khanh Nguyen , Quang Tran , Erman Tjiputra , Bac Le , Anh Nguyen

Recent advances in Multimodal Large Language Models (MLLMs) have created new opportunities for facial expression recognition (FER), moving it beyond pure label prediction toward reasoning-based affect understanding. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Shifeng Liu , Zhengye Zhang , Sirui Zhao , Xinglong Mao , Zhehan Kan , Zhixiang Wei , Shiwei Wu , Chaoyou Fu , Tong Xu , Enhong Chen

Language models (LM) play an important role in large vocabulary continuous speech recognition (LVCSR). However, traditional language models only predict next single word with given history, while the consecutive predictions on a sequence of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-06 Qi Liu , Yanmin Qian , Kai Yu

Speech Emotion Recognition (SER) presents a significant yet persistent challenge in human-computer interaction. While deep learning has advanced spoken language processing, achieving high performance on limited datasets remains a critical…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Tai Vu

In many domains, including online education, healthcare, security, and human-computer interaction, facial emotion recognition (FER) is essential. Real-world FER is still difficult despite its significance because of some factors such as…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Deeptimaan Banerjee , Prateek Gothwal , Ashis Kumer Biswas

4D facial expression synthesizing is a critical problem in the fields of computer vision and graphics. Current methods lack flexibility and smoothness when simulating the inter-frame motion of expression sequences. In this paper, we propose…

Graphics · Computer Science 2026-03-12 Xin Lu , Chuanqing Zhuang. Zhengda Lu , Yiqun Wang , Jun Xiao

We present ESLAM, an efficient implicit neural representation method for Simultaneous Localization and Mapping (SLAM). ESLAM reads RGB-D frames with unknown camera poses in a sequential manner and incrementally reconstructs the scene…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Mohammad Mahdi Johari , Camilla Carta , François Fleuret

As in many other different fields, deep learning has become the main approach in most computer vision applications, such as scene understanding, object recognition, computer-human interaction or human action recognition (HAR). Research…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Adrian Sanchez-Caballero , David Fuentes-Jimenez , Cristina Losada-Gutiérrez

This paper presents a lightweight algorithm for feature extraction, classification of seven different emotions, and facial expression recognition in a real-time manner based on static images of the human face. In this regard, a Multi-Layer…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Mohammad Amin Haghpanah , Ehsan Saeedizade , Mehdi Tale Masouleh , Ahmad Kalhor
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