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Multimodal sentiment analysis has emerged as a critical tool for understanding human emotions across diverse communication channels. While existing methods have made significant strides, they often struggle to effectively differentiate and…

Machine Learning · Computer Science 2025-04-01 Jiahao Qin , Feng Liu , Lu Zong

In real-world applications of image recognition tasks, such as human pose estimation, cameras often capture objects, like human bodies, at low resolutions. This scenario poses a challenge in extracting and leveraging multi-scale features,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Xiangyong Lu , Masanori Suganuma , Takayuki Okatani

The quadratic computational complexity of MultiHead SelfAttention (MHSA) remains a fundamental bottleneck in scaling Large Language Models (LLMs) for longcontext tasks. While sparse and linearized attention mechanisms attempt to mitigate…

Computation and Language · Computer Science 2025-12-19 Caner Erden

Triggered by the success of transformers in various visual tasks, the spatial self-attention mechanism has recently attracted more and more attention in the computer vision community. However, we empirically found that a typical vision…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Jiayin Sun , Hong Wang , Qiulei Dong

Self-attention learns pairwise interactions to model long-range dependencies, yielding great improvements for video action recognition. In this paper, we seek a deeper understanding of self-attention for temporal modeling in videos. We…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Bo He , Xitong Yang , Zuxuan Wu , Hao Chen , Ser-Nam Lim , Abhinav Shrivastava

Temporal modeling is key for action recognition in videos. It normally considers both short-range motions and long-range aggregations. In this paper, we propose a Temporal Excitation and Aggregation (TEA) block, including a motion…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Yan Li , Bin Ji , Xintian Shi , Jianguo Zhang , Bin Kang , Limin Wang

In self-supervised skeleton-based action recognition, the mask reconstruction paradigm is gaining interest in enhancing model refinement and robustness through effective masking. However, previous works primarily relied on a single masking…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Xinpeng Yin , Wenming Cao

RGB-D action and gesture recognition remain an interesting topic in human-centered scene understanding, primarily due to the multiple granularities and large variation in human motion. Although many RGB-D based action and gesture…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Yujun Ma , Benjia Zhou , Ruili Wang , Pichao Wang

This paper presents MMA-MRNNet, a novel deep learning architecture for dynamic multi-output Facial Expression Intensity Estimation (FEIE) from video data. Traditional approaches to this task often rely on complex 3-D CNNs, which require…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Dimitrios Kollias , Andreas Psaroudakis , Anastasios Arsenos , Paraskevi Theofilou , Chunchang Shao , Guanyu Hu , Ioannis Patras

This paper presents a novel framework called HST for semi-supervised video object segmentation (VOS). HST extracts image and video features using the latest Swin Transformer and Video Swin Transformer to inherit their inductive bias for the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Jun-Sang Yoo , Hongjae Lee , Seung-Won Jung

Lipreading, the technology of decoding spoken content from silent videos of lip movements, holds significant application value in fields such as public security. However, due to the subtle nature of articulatory gestures, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Matteo Rossi

Micro-expressions are brief, involuntary facial movements that typically last less than half a second and often reveal genuine emotions. Accurately recognizing these subtle expressions is critical for applications in psychology, security,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Vu Tram Anh Khuong , Luu Tu Nguyen , Thi Bich Phuong Man , Thanh Ha Le , Thi Duyen Ngo

Facial expression recognition (FER) is an important research topic in emotional artificial intelligence. In recent decades, researchers have made remarkable progress. However, current FER paradigms face challenges in generalization, lack…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Bohao Xing , Zitong Yu , Xin Liu , Kaishen Yuan , Qilang Ye , Weicheng Xie , Huanjing Yue , Jingyu Yang , Heikki Kälviäinen

Video annotation is a critical and time-consuming task in computer vision research and applications. This paper presents a novel annotation pipeline that uses pre-extracted features and dimensionality reduction to accelerate the temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Alexandru Bobe , Jan C. van Gemert

We provide a new non-invasive, easy-to-scale for large amounts of subjects and a remotely accessible method for (hidden) emotion detection from videos of human faces. Our approach combines face manifold detection for accurate location of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Juni Kim , Zhikang Dong , Eric Guan , Judah Rosenthal , Shi Fu , Miriam Rafailovich , Pawel Polak

EEG-based emotion recognition struggles with capturing multi-scale spatiotemporal dynamics and ensuring computational efficiency for real-time applications. Existing methods often oversimplify temporal granularity and spatial hierarchies,…

Signal Processing · Electrical Eng. & Systems 2025-07-23 Hanwen Liu , Yifeng Gong , Zuwei Yan , Zeheng Zhuang , Jiaxuan Lu

High level understanding of sequential visual input is important for safe and stable autonomy, especially in localization and object detection. While traditional object classification and tracking approaches are specifically designed to…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Mo Shan , Nikolay Atanasov

With the exponential growth of multimedia data, leveraging multimodal sensors presents a promising approach for improving accuracy in human activity recognition. Nevertheless, accurately identifying these activities using both video data…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Rex Liu , Xin Liu

A major challenge for video captioning is to combine audio and visual cues. Existing multi-modal fusion methods have shown encouraging results in video understanding. However, the temporal structures of multiple modalities at different…

Computation and Language · Computer Science 2018-04-17 Xin Wang , Yuan-Fang Wang , William Yang Wang

Many motion-centric video analysis tasks, such as atomic actions, detecting atypical motor behavior in individuals with autism, or analyzing articulatory motion in real-time MRI of human speech, require efficient and interpretable temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Hong Nguyen , Dung Tran , Hieu Hoang , Phong Nguyen , Shrikanth Narayanan