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Video temporal dynamics is conventionally modeled with 3D spatial-temporal kernel or its factorized version comprised of 2D spatial kernel and 1D temporal kernel. The modeling power, nevertheless, is limited by the fixed window size and…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Fuchen Long , Zhaofan Qiu , Yingwei Pan , Ting Yao , Chong-Wah Ngo , Tao Mei

Modern applications such as voice recognition rely on the ability to compare signals to pre-recorded ones to classify them. However, this comparison typically needs to ignore differences due to signal noise, temporal offset, signal…

机器学习 · 计算机科学 2022-06-16 Arvind Seshan

Federated learning has gained popularity as a means of training models distributed across the wireless edge. The paper introduces delay-aware hierarchical federated learning (DFL) to improve the efficiency of distributed machine learning…

机器学习 · 计算机科学 2023-09-29 Frank Po-Chen Lin , Seyyedali Hosseinalipour , Nicolò Michelusi , Christopher Brinton

Trajectory prediction is essential for autonomous driving, enabling vehicles to anticipate the motion of surrounding agents to support safe planning. However, most existing predictors assume fixed-length histories and suffer substantial…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Mingyu Fan , Yi Liu , Hao Zhou , Deheng Qian , Mohammad Haziq Khan , Matthias Raetsch

Aligning structured data is a fundamental problem in computer vision and machine learning, underlying tasks such as time series analysis, human action recognition, and visual representation learning. Existing alignment methods, including…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Lei Wang , Syuan-Hao Li , Yongsheng Gao , Piotr Koniusz

Defect detection is a critical research area in artificial intelligence. Recently, synthetic data-based self-supervised learning has shown great potential on this task. Although many sophisticated synthesizing strategies exist, little…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Yuxuan Cai , Dingkang Liang , Dongliang Luo , Xinwei He , Xin Yang , Xiang Bai

Video anomaly detection is recently formulated as a multiple instance learning task under weak supervision, in which each video is treated as a bag of snippets to be determined whether contains anomalies. Previous efforts mainly focus on…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Yujiang Pu , Xiaoyu Wu

Learning domain adaptive policies that can generalize to unseen transition dynamics, remains a fundamental challenge in learning-based control. Substantial progress has been made through domain representation learning to capture…

机器学习 · 计算机科学 2026-03-31 Pengcheng Wang , Qinghang Liu , Haotian Lin , Yiheng Li , Guojian Zhan , Masayoshi Tomizuka , Yixiao Wang

Despite impressive accuracy, deep neural networks are often miscalibrated and tend to overly confident predictions. Recent techniques like temperature scaling (TS) and label smoothing (LS) show effectiveness in obtaining a well-calibrated…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Mobarakol Islam , Lalithkumar Seenivasan , Hongliang Ren , Ben Glocker

The distributed adaptive signal fusion (DASF) framework allows to solve spatial filtering optimization problems in a distributed and adaptive fashion over a bandwidth-constrained wireless sensor network. The DASF algorithm requires each…

信号处理 · 电气工程与系统科学 2025-05-02 Cem Ates Musluoglu , Alexander Bertrand

Discrete decision tasks in machine learning exhibit a fundamental misalignment between training and inference: models are optimized with continuous-valued outputs but evaluated using discrete predictions. This misalignment arises from the…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Hao Shu

Time series forecasting plays a critical role in domains such as transportation, energy, and meteorology. Despite their success, modern deep forecasting models are typically trained to minimize point-wise prediction loss without leveraging…

机器学习 · 计算机科学 2026-02-27 Xiannan Huang , Shen Fang , Shuhan Qiu , Chengcheng Yu , Jiayuan Du , Chao Yang

We introduce deep switching auto-regressive factorization (DSARF), a deep generative model for spatio-temporal data with the capability to unravel recurring patterns in the data and perform robust short- and long-term predictions. Similar…

机器学习 · 计算机科学 2020-09-14 Amirreza Farnoosh , Bahar Azari , Sarah Ostadabbas

In the realm of search systems, multi-stage cascade architecture is a prevalent method, typically consisting of sequential modules such as matching, pre-ranking, and ranking. It is generally acknowledged that the model used in the…

信息检索 · 计算机科学 2023-05-10 Qihang Zhao , Rui-jie Zhu , Liu Yang , He Yongming , Bo Zhou , Luo Cheng

While widely recognized as one of the most substantial weather forecasting methodologies, Numerical Weather Prediction (NWP) usually suffers from relatively coarse resolution and inevitable bias due to tempo-spatial discretization, physical…

大气与海洋物理 · 物理学 2023-12-21 Pengwei Liu , Wenwei Wang , Bingqing Peng , Binqing Wu , Liang Sun

Short-term water demand forecasting (StWDF) is the foundation stone in the derivation of an optimal plan for controlling water supply systems. Deep learning (DL) approaches provide the most accurate solutions for this purpose. However, they…

机器学习 · 计算机科学 2025-12-09 Tony Salloom , Okyay Kaynak , Wei He

The proliferation and ubiquity of temporal data across many disciplines has sparked interest for similarity, classification and clustering methods specifically designed to handle time series data. A core issue when dealing with time series…

机器学习 · 计算机科学 2023-09-26 Iñigo Martinez

DIFF Transformer improves attention allocation by enhancing focus on relevant context while suppressing noise. It introduces a differential attention mechanism that calculates the difference between two independently generated attention…

机器学习 · 计算机科学 2025-12-17 Yueyang Cang , Yuhang Liu , Xiaoteng Zhang , Li Shi , Wenge Que

Deep neural networks have recently achieved competitive accuracy for human activity recognition. However, there is room for improvement, especially in modeling long-term temporal importance and determining the activity relevance of…

计算机视觉与模式识别 · 计算机科学 2018-08-23 Sibo Song , Ngai-Man Cheung , Vijay Chandrasekhar , Bappaditya Mandal

Federated learning offers a paradigm to the challenge of preserving privacy in distributed machine learning. However, datasets distributed across each client in the real world are inevitably heterogeneous, and if the datasets can be…

机器学习 · 计算机科学 2024-09-19 Xiuhua Lu , Peng Li , Xuefeng Jiang