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Emotion recognition based on Electroencephalography (EEG) has gained significant attention and diversified development in fields such as neural signal processing and affective computing. However, the unique brain anatomy of individuals…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Yihang Dong , Xuhang Chen , Yanyan Shen , Michael Kwok-Po Ng , Tao Qian , Shuqiang Wang

Rapid progress and superior performance have been achieved for skeleton-based action recognition recently. In this article, we investigate this problem under a cross-dataset setting, which is a new, pragmatic, and challenging task in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Yansong Tang , Xingyu Liu , Xumin Yu , Danyang Zhang , Jiwen Lu , Jie Zhou

This paper proposes a novel contrastive learning framework, called FOCAL, for extracting comprehensive features from multimodal time-series sensing signals through self-supervised training. Existing multimodal contrastive frameworks mostly…

Artificial Intelligence · Computer Science 2023-11-01 Shengzhong Liu , Tomoyoshi Kimura , Dongxin Liu , Ruijie Wang , Jinyang Li , Suhas Diggavi , Mani Srivastava , Tarek Abdelzaher

Many advanced Learning from Demonstration (LfD) methods consider the decomposition of complex, real-world tasks into simpler sub-tasks. By reusing the corresponding sub-policies within and between tasks, they provide training data for each…

Machine Learning · Computer Science 2018-08-13 Kyriacos Shiarlis , Markus Wulfmeier , Sasha Salter , Shimon Whiteson , Ingmar Posner

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

Humans express feelings or emotions via different channels. Take language as an example, it entails different sentiments under different visual-acoustic contexts. To precisely understand human intentions as well as reduce the…

Artificial Intelligence · Computer Science 2021-11-17 Ting Wu , Junjie Peng , Wenqiang Zhang , Huiran Zhang , Chuanshuai Ma , Yansong Huang

Dynamic Text-Attributed Graphs (DyTAGs) are a novel graph paradigm that captures evolving temporal events (edges) alongside rich textual attributes. Existing studies can be broadly categorized into TGNN-driven and LLM-driven approaches,…

Machine Learning · Computer Science 2025-08-04 Yuanyuan Xu , Wenjie Zhang , Ying Zhang , Xuemin Lin , Xiwei Xu

Multimodal sentiment analysis is an active research area that combines multiple data modalities, e.g., text, image and audio, to analyze human emotions and benefits a variety of applications. Existing multimodal sentiment analysis methods…

Artificial Intelligence · Computer Science 2025-07-21 Yangmin Li , Ruiqi Zhu , Wengen Li

Leveraging complementary relationships across modalities has recently drawn a lot of attention in multimodal emotion recognition. Most of the existing approaches explored cross-attention to capture the complementary relationships across the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 G Rajasekhar , Jahangir Alam

Dialog act (DA) recognition is a task that has been widely explored over the years. Recently, most approaches to the task explored different DNN architectures to combine the representations of the words in a segment and generate a segment…

Computation and Language · Computer Science 2019-07-30 Eugénio Ribeiro , Ricardo Ribeiro , David Martins de Matos

Tensor-based multi-view clustering has recently received significant attention due to its exceptional ability to explore cross-view high-order correlations. However, most existing methods still encounter some limitations. (1) Most of them…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Deng Xu , Chao Zhang , Zechao Li , Chunlin Chen , Huaxiong Li

With the rapid development of multimedia, the shift from unimodal textual sentiment analysis to multimodal image-text sentiment analysis has obtained academic and industrial attention in recent years. However, multimodal sentiment analysis…

Multimedia · Computer Science 2024-12-11 Fuhai Chen , Pengpeng Huang , Xuri Ge , Jie Huang , Zishuo Bao

Space Domain Awareness (SDA) system has different major aspects including continues and robust awareness from the network that is crucial for an efficient control over all actors in space. The observability of the space assets on the other…

Networking and Internet Architecture · Computer Science 2025-09-08 Mansour Naslcheraghi , Gunes Karabulut-Kurt

Semi-supervised temporal action segmentation (SS-TA) aims to perform frame-wise classification in long untrimmed videos, where only a fraction of videos in the training set have labels. Recent studies have shown the potential of contrastive…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Feixiang Zhou , Zheheng Jiang , Huiyu Zhou , Xuelong Li

Multi-modal based speech separation has exhibited a specific advantage on isolating the target character in multi-talker noisy environments. Unfortunately, most of current separation strategies prefer a straightforward fusion based on…

Sound · Computer Science 2022-03-08 Junwen Xiong , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha , Yanning Zhang

Learning interpretable multimodal representations inherently relies on uncovering the conditional dependencies between heterogeneous features. However, sparse graph estimation techniques, such as Graphical Lasso (GLasso), to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Fei Wang , Yutong Zhang , Xiong Wang

We introduce and analyze a variant of multivariate singular spectrum analysis (mSSA), a popular time series method to impute and forecast a multivariate time series. Under a spatio-temporal factor model we introduce, given $N$ time series…

Machine Learning · Computer Science 2022-06-22 Anish Agarwal , Abdullah Alomar , Devavrat Shah

For multiple aspects scenario of aspect-based sentiment analysis (ABSA), existing approaches typically ignore inter-aspect relations or rely on temporal dependencies to process aspect-aware representations of all aspects in a sentence.…

Computation and Language · Computer Science 2022-03-15 Yunlong Liang , Fandong Meng , Jinchao Zhang , Yufeng Chen , Jinan Xu , Jie Zhou

Understanding Affect from video segments has brought researchers from the language, audio and video domains together. Most of the current multimodal research in this area deals with various techniques to fuse the modalities, and mostly…

Computation and Language · Computer Science 2018-06-11 Saurav Sahay , Shachi H Kumar , Rui Xia , Jonathan Huang , Lama Nachman

The dynamics of human skeletons have significant information for the task of action recognition. The similarity between trajectories of corresponding joints is an indicating feature of the same action, while this similarity may subject to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Qi Li , Hanlin Mo , Jinghan Zhao , Hongxiang Hao , Hua Li