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Video temporal action detection aims to temporally localize and recognize the action in untrimmed videos. Existing one-stage approaches mostly focus on unifying two subtasks, i.e., localization of action proposals and classification of each…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Yupan Huang , Qi Dai , Yutong Lu

Clustering high-dimensional multivariate spatiotemporal climate data is challenging due to complex temporal dependencies, evolving spatial interactions, and non-stationary dynamics. Conventional clustering methods, including recurrent and…

机器学习 · 计算机科学 2025-09-17 Francis Ndikum Nji , Vandana Janaja , Jianwu Wang

Multimodal video sentiment analysis aims to integrate multiple modal information to analyze the opinions and attitudes of speakers. Most previous work focuses on exploring the semantic interactions of intra- and inter-modality. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Zhuyang Xie , Yan Yang , Jie Wang , Xiaorong Liu , Xiaofan Li

Speech emotion recognition (SER) has received a great deal of attention in recent years in the context of spontaneous conversations. While there have been notable results on datasets like the well known corpus of naturalistic dyadic…

计算与语言 · 计算机科学 2024-01-02 Alex-Răzvan Ispas , Théo Deschamps-Berger , Laurence Devillers

Temporal modeling is crucial for various video learning tasks. Most recent approaches employ either factorized (2D+1D) or joint (3D) spatial-temporal operations to extract temporal contexts from the input frames. While the former is more…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Yizhou Zhao , Zhenyang Li , Xun Guo , Yan Lu

We present a novel model designed for resource-efficient multichannel speech enhancement in the time domain, with a focus on low latency, lightweight, and low computational requirements. The proposed model incorporates explicit spatial and…

声音 · 计算机科学 2024-01-17 Ashutosh Pandey , Buye Xu

Machine learning applications on signals such as computer vision or biomedical data often face significant challenges due to the variability that exists across hardware devices or session recordings. This variability poses a Domain…

机器学习 · 计算机科学 2024-07-22 Théo Gnassounou , Antoine Collas , Rémi Flamary , Karim Lounici , Alexandre Gramfort

Referring video object segmentation aims to predict foreground labels for objects referred by natural language expressions in videos. Previous methods either depend on 3D ConvNets or incorporate additional 2D ConvNets as encoders to extract…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Zihan Ding , Tianrui Hui , Junshi Huang , Xiaoming Wei , Jizhong Han , Si Liu

Fueled by recent advances of self-supervised models, pre-trained speech representations proved effective for the downstream speech emotion recognition (SER) task. Most prior works mainly focus on exploiting pre-trained representations and…

声音 · 计算机科学 2023-03-02 Siyuan Shen , Feng Liu , Aimin Zhou

This paper presents a novel generative framework for learning shared latent representations across multimodal data. Many advanced multimodal methods focus on capturing all combinations of modality-specific details across inputs, which can…

机器学习 · 计算机科学 2025-08-26 Jiali Cui , Yan-Ying Chen , Yanxia Zhang , Matthew Klenk

As an important task in sentiment analysis, Multimodal Aspect-Based Sentiment Analysis (MABSA) has attracted increasing attention in recent years. However, previous approaches either (i) use separately pre-trained visual and textual models,…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Yan Ling , Jianfei Yu , Rui Xia

Disentangled representation learning aims to capture the underlying explanatory factors of observed data, enabling a principled understanding of the data-generating process. Recent advances in generative modeling have introduced new…

机器学习 · 计算机科学 2026-05-12 Jinjin Chi , Taoping Liu , Mengtao Yin , Ximing Li , Yongcheng Jing , Jialie Shen , Leszek Rutkowski , Dacheng Tao

We propose a new solution to the blind source separation problem that factors mixed time-series signals into a sum of spatiotemporal modes, with the constraint that the temporal components are intrinsic mode functions (IMF's). The key…

数值分析 · 数学 2018-06-25 Seth M. Hirsh , Bingni W. Brunton , J. Nathan Kutz

Multi-Source Domain Adaptation (MSDA) is a more practical domain adaptation scenario in real-world scenarios. It relaxes the assumption in conventional Unsupervised Domain Adaptation (UDA) that source data are sampled from a single domain…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Yuecong Xu , Jianfei Yang , Haozhi Cao , Keyu Wu , Min Wu , Rui Zhao , Zhenghua Chen

Medical vision-language pre-training methods mainly leverage the correspondence between paired medical images and radiological reports. Although multi-view spatial images and temporal sequences of image-report pairs are available in…

人工智能 · 计算机科学 2024-05-31 Jinxia Yang , Bing Su , Wayne Xin Zhao , Ji-Rong Wen

In the era of large-scale pre-trained models, effectively adapting general knowledge to specific affective computing tasks remains a challenge, particularly regarding computational efficiency and multimodal heterogeneity. While…

人工智能 · 计算机科学 2026-03-20 Yan Li , Yifei Xing , Xiangyuan Lan , Xin Li , Haifeng Chen , Dongmei Jiang

We focus on multi-modal fusion for egocentric action recognition, and propose a novel architecture for multi-modal temporal-binding, i.e. the combination of modalities within a range of temporal offsets. We train the architecture with three…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Evangelos Kazakos , Arsha Nagrani , Andrew Zisserman , Dima Damen

Real-time decoding of target variables from multiple simultaneously recorded neural time-series modalities, such as discrete spiking activity and continuous field potentials, is important across various neuroscience applications. However, a…

机器学习 · 计算机科学 2025-12-16 Eray Erturk , Maryam M. Shanechi

Inter-modal interaction plays an indispensable role in multimodal sentiment analysis. Due to different modalities sequences are usually non-alignment, how to integrate relevant information of each modality to learn fusion representations…

计算与语言 · 计算机科学 2022-12-23 Kaicheng Yang , Ruxuan Zhang , Hua Xu , Kai Gao

Cross-modal retrieval is generally performed by projecting and aligning the data from two different modalities onto a shared representation space. This shared space often also acts as a bridge for translating the modalities. We address the…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Kranti Kumar Parida , Gaurav Sharma