English
Related papers

Related papers: Facial Expression Representation and Recognition U…

200 papers

Human emotions involve basic and compound facial expressions. However, current research on facial expression recognition (FER) mainly focuses on basic expressions, and thus fails to address the diversity of human emotions in practical…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Xinyi Zou , Yan Yan , Jing-Hao Xue , Si Chen , Hanzi Wang

In this paper we introduce AFFDEX 2.0 - a toolkit for analyzing facial expressions in the wild, that is, it is intended for users aiming to; a) estimate the 3D head pose, b) detect facial Action Units (AUs), c) recognize basic emotions and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Mina Bishay , Kenneth Preston , Matthew Strafuss , Graham Page , Jay Turcot , Mohammad Mavadati

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

Relatively small data sets available for expression recognition research make the training of deep networks for expression recognition very challenging. Although fine-tuning can partially alleviate the issue, the performance is still below…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Hui Ding , Shaohua Kevin Zhou , Rama Chellappa

Facial Expression Recognition (FER) is an important task in computer vision and has wide applications in human-computer interaction, intelligent security, emotion analysis, and other fields. However, the limited size of FER datasets limits…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jun Yu , Zhongpeng Cai , Renda Li , Gongpeng Zhao , Guochen Xie , Jichao Zhu , Wangyuan Zhu

Reconstructing 3D faces with facial geometry from single images has allowed for major advances in animation, generative models, and virtual reality. However, this ability to represent faces with their 3D features is not as fully explored by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Lu Dong , Xiao Wang , Srirangaraj Setlur , Venu Govindaraju , Ifeoma Nwogu

Dynamic Facial Expression Recognition (DFER) is crucial for understanding human behavior. However, current methods exhibit limited performance mainly due to the scarcity of high-quality data, the insufficient utilization of facial dynamics,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Haodong Chen , Haojian Huang , Junhao Dong , Mingzhe Zheng , Dian Shao

Effective expression feature representations generated by a triplet-based deep metric learning are highly advantageous for facial expression recognition (FER). The performance of triplet-based deep metric learning is contingent upon…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Wenwu Yang , Jinyi Yu , Tuo Chen , Zhenguang Liu , Xun Wang , Jianbing Shen

We examine the use of linear and non-linear dimensionality reduction algorithms for extracting low-rank feature representations for speech emotion recognition. Two feature sets are used, one based on low-level descriptors and their…

Low-dimensional embeddings for data from disparate sources play critical roles in multi-modal machine learning, multimedia information retrieval, and bioinformatics. In this paper, we propose a supervised dimensionality reduction method…

Machine Learning · Computer Science 2021-01-15 Yanjun Li , Bihan Wen , Hao Cheng , Yoram Bresler

This paper addresses the expression (EXPR) recognition challenge in the 10th Affective Behavior Analysis in-the-Wild (ABAW) workshop and competition, which requires frame-level classification of eight facial emotional expressions from…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Jiajun Sun , Zhe Gao

Compound Expression Recognition (CER) is crucial for understanding human emotions and improving human-computer interaction. However, CER faces challenges due to the complexity of facial expressions and the difficulty of capturing subtle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Jun Yu , Xilong Lu

Facial expression synthesis has drawn much attention in the field of computer graphics and pattern recognition. It has been widely used in face animation and recognition. However, it is still challenging due to the high-level semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Lingxiao Song , Zhihe Lu , Ran He , Zhenan Sun , Tieniu Tan

Humans modify their facial expressions in order to communicate their internal states and sometimes to mislead observers regarding their true emotional states. Evidence in experimental psychology shows that discriminative facial responses…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Kaustubh Kulkarni , Ciprian Adrian Corneanu , Ikechukwu Ofodile , Sergio Escalera , Xavier Baro , Sylwia Hyniewska , Juri Allik , Gholamreza Anbarjafari

Facial expressions play a fundamental role in human communication. Indeed, they typically reveal the real emotional status of people beyond the spoken language. Moreover, the comprehension of human affect based on visual patterns is a key…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Fabio Valerio Massoli , Donato Cafarelli , Giuseppe Amato , Fabrizio Falchi

Facial expression recognition in videos is an active area of research in computer vision. However, fake facial expressions are difficult to be recognized even by humans. On the other hand, facial micro-expressions generally represent the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Sai Prasanna Teja Reddy , Surya Teja Karri , Shiv Ram Dubey , Snehasis Mukherjee

One of the crucial challenges taken in document analysis is mathematical expression recognition. Unlike text recognition which only focuses on one-dimensional structure images, mathematical expression recognition is a much more complicated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Anh Duy Le , Van Linh Pham , Vinh Loi Ly , Nam Quan Nguyen , Huu Thang Nguyen , Tuan Anh Tran

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

Facial micro-expression recognition (MER) is a challenging problem, due to transient and subtle micro-expression (ME) actions. Most existing methods depend on hand-crafted features, key frames like onset, apex, and offset frames, or deep…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Zhiwen Shao , Yifan Cheng , Feiran Li , Yong Zhou , Xuequan Lu , Yuan Xie , Lizhuang Ma

We propose a real time deep learning framework for video-based facial expression capture. Our process uses a high-end facial capture pipeline based on FACEGOOD to capture facial expression. We train a convolutional neural network to produce…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Hongwei Xu , Leijia Dai , Jianxing Fu , Xiangyuan Wang , Quanwei Wang