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Skeleton-based action recognition has achieved remarkable results in human action recognition with the development of graph convolutional networks (GCNs). However, the recent works tend to construct complex learning mechanisms with…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Dongjingdin Liu , Pengpeng Chen , Miao Yao , Yijing Lu , Zijie Cai , Yuxin Tian

Skeleton-based action recognition using GCNs has achieved remarkable performance, but recognizing ambiguous actions, such as "waving" and "saluting", remains a significant challenge. Existing methods typically rely on a serial combination…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Hao Huang , Yujie Lin , Siyu Chen , Haiyang Liu

Several recent works have directly extended the image masked autoencoder (MAE) with random masking into video domain, achieving promising results. However, unlike images, both spatial and temporal information are important for video…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 David Fan , Jue Wang , Shuai Liao , Yi Zhu , Vimal Bhat , Hector Santos-Villalobos , Rohith MV , Xinyu Li

Graph Convolutional Networks (GCNs) have proven to be highly effective for skeleton-based action recognition, primarily due to their ability to leverage graph topology for feature aggregation, a key factor in extracting meaningful…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Haiqing Ren , Zhongkai Luo , Heng Fan , Xiaohui Yuan , Guanchen Wang , Libo Zhang

Fully supervised skeleton-based action recognition has achieved great progress with the blooming of deep learning techniques. However, these methods require sufficient labeled data which is not easy to obtain. In contrast, self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Wenhan Wu , Yilei Hua , Ce Zheng , Shiqian Wu , Chen Chen , Aidong Lu

Graph convolutional networks have been widely used for skeleton-based action recognition due to their excellent modeling ability of non-Euclidean data. As the graph convolution is a local operation, it can only utilize the short-range joint…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zhan Chen , Sicheng Li , Bing Yang , Qinghan Li , Hong Liu

Pose-based action recognition has drawn considerable attention recently. Existing methods exploit the joint positions to extract the body-part features from the activation map of the convolutional networks to assist human action…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Most existing gait recognition methods are appearance-based, which rely on the silhouettes extracted from the video data of human walking activities. The less-investigated skeleton-based gait recognition methods directly learn the gait…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Ekkasit Pinyoanuntapong , Ayman Ali , Pu Wang , Minwoo Lee , Chen Chen

This paper presents a novel framework for emotion recognition in contemporary dance by improving existing Laban Movement Analysis (LMA) feature descriptors and introducing robust, novel descriptors that capture both quantitative and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Muhammad Turab , Philippe Colantoni , Damien Muselet , Alain Tremeau

In this work, we present a novel mask guided attention (MGA) method for fine-grained patchy image classification. The key challenge of fine-grained patchy image classification lies in two folds, ultra-fine-grained inter-category variances…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Jun Wang , Xiaohan Yu , Yongsheng Gao

Accurate decoding of lower-limb motion from EEG signals is essential for advancing brain-computer interface (BCI) applications in movement intent recognition and control. This study presents NeuroDyGait, a two-stage, phase-aware EEG-to-gait…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Xi Fu , Weibang Jiang , Rui Liu , Gernot R. Müller-Putz , Cuntai Guan

Gait recognition is a biometric technology that recognizes the identity of humans through their walking patterns. Existing appearance-based methods utilize CNN or Transformer to extract spatial and temporal features from silhouettes, while…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Fanxu Min , Shaoxiang Guo , Fan Hao , Junyu Dong

Emotion recognition in conversation (ERC) is a crucial component in affective dialogue systems, which helps the system understand users' emotions and generate empathetic responses. However, most works focus on modeling speaker and…

Computation and Language · Computer Science 2021-07-15 Jingwen Hu , Yuchen Liu , Jinming Zhao , Qin Jin

Emotions manifest through physical experiences and bodily reactions, yet identifying such embodied emotions in text remains understudied. We present an embodied emotion classification dataset, CHEER-Ekman, extending the existing binary…

Computation and Language · Computer Science 2025-09-26 Phan Anh Duong , Cat Luong , Divyesh Bommana , Tianyu Jiang

On public benchmarks, current action recognition techniques have achieved great success. However, when used in real-world applications, e.g. sport analysis, which requires the capability of parsing an activity into phases and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Dian Shao , Yue Zhao , Bo Dai , Dahua Lin

Brain-computer interface (BCI) technology enables direct interaction between humans and computers by analyzing brain signals. Electroencephalogram (EEG) is one of the non-invasive tools used in BCI systems, providing high temporal…

Signal Processing · Electrical Eng. & Systems 2024-11-18 Hyeon-Taek Han , Dae-Hyeok Lee , Heon-Gyu Kwak

Gait, the walking pattern of individuals, is one of the most important biometrics modalities. Most of the existing gait recognition methods take silhouettes or articulated body models as the gait features. These methods suffer from degraded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ziyuan Zhang , Luan Tran , Xi Yin , Yousef Atoum , Xiaoming Liu , Jian Wan , Nanxin Wang

In skeleton-based action recognition, graph convolutional networks (GCNs), which model human body skeletons using graphical components such as nodes and connections, have achieved remarkable performance recently. However, current…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Jongmin Yu , Yongsang Yoon , Moongu Jeon

Micro-expression recognition (MER) is valuable because micro-expressions (MEs) can reveal genuine emotions. Most works take image sequences as input and cannot effectively explore ME information because subtle ME-related motions are easily…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jinsheng Wei , Wei Peng , Guanming Lu , Yante Li , Jingjie Yan , Guoying Zhao

Micro-expressions (MEs) are involuntary movements revealing people's hidden feelings, which has attracted numerous interests for its objectivity in emotion detection. However, despite its wide applications in various scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Jingyao Wang , Yunhan Tian , Yuxuan Yang , Xiaoxin Chen , Changwen Zheng , Wenwen Qiang