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In recent years, numerous neuroscientific studies demonstrate that specific areas of the brain are connected to human emotional responses, with these regions exhibiting variability across individuals and emotional states. To fully leverage…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Tianzhi Feng , Chennan Wu , Yi Niu , Fu Li , Yang Li , Boxun Fu , Zhifu Zhao , Xiaotian Wang

Federated Learning (FL) is a collaborative method for training models while preserving data privacy in decentralized settings. However, FL encounters challenges related to data heterogeneity, which can result in performance degradation. In…

Machine Learning · Computer Science 2023-11-23 Seongyoon Kim , Gihun Lee , Jaehoon Oh , Se-Young Yun

Existing graph generative models often face a critical trade-off between sample quality and generation speed. We introduce Autoregressive Noisy Filtration Modeling (ANFM), a flexible autoregressive framework that addresses both challenges.…

Machine Learning · Computer Science 2026-02-17 Markus Krimmel , Jenna Wiens , Karsten Borgwardt , Dexiong Chen

Facial Expression Recognition (FER) is a critical task within computer vision with diverse applications across various domains. Addressing the challenge of limited FER datasets, which hampers the generalization capability of expression…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Bach Nguyen-Xuan , Thien Nguyen-Hoang , Thanh-Huy Nguyen , Nhu Tai-Do

With various face presentation attacks arising under unseen scenarios, face anti-spoofing (FAS) based on domain generalization (DG) has drawn growing attention due to its robustness. Most existing methods utilize DG frameworks to align the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Shubao Liu , Ke-Yue Zhang , Taiping Yao , Mingwei Bi , Shouhong Ding , Jilin Li , Feiyue Huang , Lizhuang Ma

Facial expression recognition (FER) plays a significant role in the ubiquitous application of computer vision. We revisit this problem with a new perspective on whether it can acquire useful representations that improve FER performance in…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Jiawei Mao , Guangyi Zhao , Yuanqi Chang , Xuesong Yin , Xiaogang Peng , Rui Xu

There have been tremendous efforts over the past decades dedicated to the generation of realistic graphs in a variety of domains, ranging from social networks to computer networks, from gene regulatory networks to online transaction…

Machine Learning · Computer Science 2023-12-19 Lecheng Zheng , Dawei Zhou , Hanghang Tong , Jiejun Xu , Yada Zhu , Jingrui He

This paper studies face recognition (FR) and normalization in surveillance imagery. Surveillance FR is a challenging problem that has great values in law enforcement. Despite recent progress in conventional FR, less effort has been devoted…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Xi Yin , Ying Tai , Yuge Huang , Xiaoming Liu

Facial attribute editing aims to manipulate attributes on the human face, e.g., adding a mustache or changing the hair color. Existing approaches suffer from a serious compromise between correct attribute generation and preservation of the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Zhenliang He , Meina Kan , Jichao Zhang , Shiguang Shan

Automated Facial Expression Recognition (FER) is challenging due to intra-class variations and inter-class similarities. FER can be especially difficult when facial expressions reflect a mixture of various emotions (aka compound…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Ali Pourramezan Fard , Mohammad Mehdi Hosseini , Timothy D. Sweeny , Mohammad H. Mahoor

Generalist graph anomaly detection (GAD) aims to detect anomalies on unseen graphs without graph-specific retraining. Nevertheless, existing approaches primarily focus on aligning heterogeneous features across different data domains via…

Machine Learning · Computer Science 2026-05-26 Yujing Liu , Yixin Liu , Yu Zheng , Alan Wee-Chung Liew , Xiaofeng Cao , Shirui Pan

Deep learning based facial expression recognition (FER) has received a lot of attention in the past few years. Most of the existing deep learning based FER methods do not consider domain knowledge well, which thereby fail to extract…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Yuedong Chen , Jianfeng Wang , Shikai Chen , Zhongchao Shi , Jianfei Cai

Graph Neural Networks (GNNs) have recently become the predominant tools for studying graph data. Despite state-of-the-art performance on graph classification tasks, GNNs are overwhelmingly trained in a single domain under supervision, thus…

Machine Learning · Computer Science 2025-02-18 Tao Wen , Elynn Chen , Yuzhou Chen , Qi Lei

Automatic Facial Expression Recognition (FER) has attracted increasing attention in the last 20 years since facial expressions play a central role in human communication. Most FER methodologies utilize Deep Neural Networks (DNNs) that are…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Andreas Psaroudakis , Dimitrios Kollias

Multi-view facial expression recognition (FER) is a challenging task because the appearance of an expression varies in poses. To alleviate the influences of poses, recent methods either perform pose normalization or learn separate FER…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Yuanyuan Liu , Jiyao Peng , Jiabei Zeng , Shiguang Shan

In 2D+3D facial expression recognition (FER), existing methods generate multi-view geometry maps to enhance the depth feature representation. However, this may introduce false estimations due to local plane fitting from incomplete point…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Yang Jiao , Yi Niu , Trac D. Tran , Guangming Shi

In the era of AIGC, the fast development of visual content generation technologies, such as diffusion models, bring potential security risks to our society. Existing generated image detection methods suffer from performance drop when faced…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Zheling Meng , Bo Peng , Jing Dong , Tieniu Tan

The paper describes our proposed methodology for the seven basic expression classification track of Affective Behavior Analysis in-the-wild (ABAW) Competition 2021. In this task, facial expression recognition (FER) methods aim to classify…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shuyi Mao , Xinqi Fan , Xiaojiang Peng

Probabilistic graphical models provide a powerful tool to describe complex statistical structure, with many real-world applications in science and engineering from controlling robotic arms to understanding neuronal computations. A major…

Artificial Intelligence · Computer Science 2023-05-04 Yicheng Fei , Xaq Pitkow

Facial Emotion Recognition (FER) plays a crucial role in computer vision, with significant applications in human-computer interaction, affective computing, and areas such as mental health monitoring and personalized learning environments.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Arnab Kumar Roy , Hemant Kumar Kathania , Adhitiya Sharma