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Time series analysis finds wide applications in fields such as weather forecasting, anomaly detection, and behavior recognition. Previous methods attempted to model temporal variations directly using 1D time series. However, this has been…

机器学习 · 计算机科学 2024-11-08 Qiang Wu , Gechang Yao , Zhixi Feng , Shuyuan Yang

Multi-modal sentiment analysis plays an important role for providing better interactive experiences to users. Each modality in multi-modal data can provide different viewpoints or reveal unique aspects of a user's emotional state. In this…

机器学习 · 计算机科学 2021-06-23 Debapriya Banerjee , Fotios Lygerakis , Fillia Makedon

This paper presents our approach for the VA (Valence-Arousal) estimation task in the ABAW6 competition. We devised a comprehensive model by preprocessing video frames and audio segments to extract visual and audio features. Through the…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Jun Yu , Gongpeng Zhao , Yongqi Wang , Zhihong Wei , Yang Zheng , Zerui Zhang , Zhongpeng Cai , Guochen Xie , Jichao Zhu , Wangyuan Zhu

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

计算机视觉与模式识别 · 计算机科学 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue

This paper presents an advanced Federated Learning (FL) framework for forecasting complex spatiotemporal data, improving upon recent state-of-the-art models. In the proposed approach, the original Gated Recurrent Unit (GRU) module within…

机器学习 · 计算机科学 2025-10-02 Thien Pham , Angelo Furno , Faïcel Chamroukhi , Latifa Oukhellou

Modern TEM instrumentation can probe a wide range of structural, optical, and chemical properties with unprecedented resolution. However, each of these properties must be recorded in independent datasets using different detector modes with…

材料科学 · 物理学 2023-01-16 Thomas Thersleff , Cheuk-Wai Tai

We propose a novel deep structured learning framework for event temporal relation extraction. The model consists of 1) a recurrent neural network (RNN) to learn scoring functions for pair-wise relations, and 2) a structured support vector…

计算与语言 · 计算机科学 2019-09-26 Rujun Han , I-Hung Hsu , Mu Yang , Aram Galstyan , Ralph Weischedel , Nanyun Peng

Complex systems such as aircraft engines, turbines, and industrial machinery often operate under dynamically changing conditions. These varying operating conditions can substantially influence degradation behavior and make prognostic…

机器学习 · 计算机科学 2026-04-14 Yuqi Su , Xiaolei Fang

In recent times, the field of unsupervised representation learning (URL) for time series data has garnered significant interest due to its remarkable adaptability across diverse downstream applications. Unsupervised learning goals differ…

机器学习 · 计算机科学 2025-05-12 Chen Liang , Donghua Yang , Zhiyu Liang , Hongzhi Wang , Zheng Liang , Xiyang Zhang , Jianfeng Huang

Currently, one-stage frameworks have been widely applied for temporal action detection, but they still suffer from the challenge that the action instances span a wide range of time. The reason is that these one-stage detectors, e.g., Single…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Xiang Wang , Changxin Gao , Shiwei Zhang , Nong Sang

Ground-based remote sensing cloud image sequence extrapolation is a key research area in the development of photovoltaic power systems. However, existing approaches exhibit several limitations:(1)they primarily rely on static kernels to…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Penghui Niu , Taotao Cai , Suqi Zhang , Junhua Gua , Ping Zhanga , Qiqi Liu , Jianxin Li

Time series forecasting remains a challenging task, particularly in the context of complex multiscale temporal patterns. This study presents LLM-Mixer, a framework that improves forecasting accuracy through the combination of multiscale…

Integration of multimodal information from various sources has been shown to boost the performance of machine learning models and thus has received increased attention in recent years. Often such models use deep modality-specific networks…

机器学习 · 计算机科学 2022-11-22 Shiv Shankar , Laure Thompson , Madalina Fiterau

We present a sequential model for temporal relation classification between intra-sentence events. The key observation is that the overall syntactic structure and compositional meanings of the multi-word context between events are important…

计算与语言 · 计算机科学 2017-07-25 Prafulla Kumar Choubey , Ruihong Huang

A large-scale deployment of phasor measurement units (PMUs) that reveal the inherent physical laws of power systems from a data perspective enables an enhanced awareness of power system operation. However, the high-granularity and…

信号处理 · 电气工程与系统科学 2022-07-26 Yuxuan Yuan , Yifei Guo , Kaveh Dehghanpour , Zhaoyu Wang , Yanchao Wang

Temporal point process (TPP) models combined with recurrent neural networks provide a powerful framework for modeling continuous-time event data. While such models are flexible, they are inherently sequential and therefore cannot benefit…

机器学习 · 计算机科学 2020-11-11 Oleksandr Shchur , Nicholas Gao , Marin Biloš , Stephan Günnemann

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

计算机视觉与模式识别 · 计算机科学 2020-11-05 René Schuster , Christian Unger , Didier Stricker

In the context of model-based control of industrial processes, it is a common practice to develop a data-driven linear dynamical model around a specified operating point. However, in applications involving wider operating conditions,…

系统与控制 · 电气工程与系统科学 2024-06-07 Vatsal Kedia , Vivek S. Pinnamaraju , Dinesh Patil

The main idea of multimodal recommendation is the rational utilization of the item's multimodal information to improve the recommendation performance. Previous works directly integrate item multimodal features with item ID embeddings,…

信息检索 · 计算机科学 2023-04-25 Yan Zhou , Jie Guo , Hao Sun , Bin Song , Fei Richard Yu

Large time series foundation models often adopt channel-independent architectures to handle varying data dimensions, but this design ignores crucial cross-channel dependencies. Concurrently, existing multimodal approaches have not fully…