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Related papers: Micro-Facial Expression Recognition in Video Based…

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Facial expression recognition is an essential task for various applications, including emotion detection, mental health analysis, and human-machine interactions. In this paper, we propose a multi-modal facial expression recognition method…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jun-Hwa Kim , Namho Kim , Chee Sun Won

Micro-expressions (MEs) are subtle, transient facial changes with very low intensity, almost imperceptible to the naked eye, yet they reveal a person genuine emotion. They are of great value in lie detection, behavioral analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Deriving an effective facial expression recognition component is important for a successful human-computer interaction system. Nonetheless, recognizing facial expression remains a challenging task. This paper describes a novel approach…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Mundher Al-Shabi , Wooi Ping Cheah , Tee Connie

Emotion recognition from speech is a challenging task. Re-cent advances in deep learning have led bi-directional recur-rent neural network (Bi-RNN) and attention mechanism as astandard method for speech emotion recognition, extractingand…

Sound · Computer Science 2021-06-09 Zixuan Peng , Yu Lu , Shengfeng Pan , Yunfeng Liu

Facial expression recognition is a challenging task, arguably because of large intra-class variations and high inter-class similarities. The core drawback of the existing approaches is the lack of ability to discriminate the changes in…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Yanwei Li , Xingang Wang , Shilei Zhang , Lingxi Xie , Wenqi Wu , Hongyuan Yu , Zheng Zhu

Micro-expression recognition is vital for affective computing but remains challenging due to the extremely brief, low-intensity facial motions involved and the high-dimensional nature of 4D mesh data. To address these challenges, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Luu Tu Nguyen , Thi Bich Phuong Man , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Deep neural networks enriched with structural information have been widely employed for facial expression recognition tasks. However, these methods often depend on hierarchical information rather than face property to finish expression…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Chunwei Tian , Jingyuan Xie , Qi Zhang , Chao Li , Wangmeng Zuo , Shichao Zhang

Facial expression detection involves two interrelated tasks: spotting, which identifies the onset and offset of expressions, and recognition, which classifies them into emotional categories. Most existing methods treat these tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Yini Fang , Alec Diallo , Yiqi Shi , Frederic Jumelle , Bertram Shi

Recognizing facial expressions is one of the central problems in computer vision. Temporal image sequences have useful spatio-temporal features for recognizing expressions. In this paper, we propose a new 3D Convolution Neural Network (CNN)…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Sudhakar Kumawat , Manisha Verma , Shanmuganathan Raman

A micro-expression is a spontaneous unconscious facial muscle movement that can reveal the true emotions people attempt to hide. Although manual methods have made good progress and deep learning is gaining prominence. Due to the short…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Fengping Wang , Jie Li , Chun Qi , Lin Wang , Pan Wang

Emotion Recognition in Conversations (ERC) is crucial in developing sympathetic human-machine interaction. In conversational videos, emotion can be present in multiple modalities, i.e., audio, video, and transcript. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Vishal Chudasama , Purbayan Kar , Ashish Gudmalwar , Nirmesh Shah , Pankaj Wasnik , Naoyuki Onoe

To overcome the limitations of convolutional neural network in the process of facial expression recognition, a facial expression recognition model Capsule-LSTM based on video frame sequence is proposed. This model is composed of three…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Siwei Liu , Yuanpeng Long , Gao Xu , Lijia Yang , Shimei Xu , Xiaoming Yao , Kunxian Shu

In this paper we propose a fusion approach to continuous emotion recognition that combines visual and auditory modalities in their representation spaces to predict the arousal and valence levels. The proposed approach employs a pre-trained…

Machine Learning · Computer Science 2019-06-26 Juan D. S. Ortega , Patrick Cardinal , Alessandro L. Koerich

We present a baseline convolutional neural network (CNN) structure and image preprocessing methodology to improve facial expression recognition algorithm using CNN. To analyze the most efficient network structure, we investigated four…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Minchul Shin , Munsang Kim , Dong-Soo Kwon

Micro expression recognition (MER)is a very challenging task as the expression lives very short in nature and demands feature modeling with the involvement of both spatial and temporal dynamics. Existing MER systems exploit CNN networks to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh

Humans are able to comprehend information from multiple domains for e.g. speech, text and visual. With advancement of deep learning technology there has been significant improvement of speech recognition. Recognizing emotion from speech is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-16 Mandeep Singh , Yuan Fang

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

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

Facial micro-expressions (MEs) are involuntary facial motions revealing peoples real feelings and play an important role in the early intervention of mental illness, the national security, and many human-computer interaction systems.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng Zhao

Video facial expression recognition is useful for many applications and received much interest lately. Although some solutions give really good results in a controlled environment (no occlusion), recognition in the presence of partial…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Delphine Poux , Benjamin Allaert , Nacim Ihaddadene , Ioan Marius Bilasco , Chaabane Djeraba , Mohammed Bennamoun