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This paper focuses on solving a fault detection problem using multivariate time series of vibration signals collected from planetary gearboxes in a test rig. Various traditional machine learning and deep learning methods have been proposed…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Xian Yeow Lee , Aman Kumar , Lasitha Vidyaratne , Aniruddha Rajendra Rao , Ahmed Farahat , Chetan Gupta

We propose a result-level category-specific fusion architecture called ClassWise-CRF. This architecture employs a two-stage process: first, it selects expert networks that perform well in specific categories from a pool of candidate…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Qinfeng Zhu , Yunxi Jiang , Lei Fan

This paper addresses the density based multi-sensor cooperative fusion using random finite set (RFS) type multi-object densities (MODs). Existing fusion methods use scalar weights to characterize the relative information confidence among…

Information Theory · Computer Science 2021-07-21 Wei Yi , Lei Chai

Classification is a fundamental task in machine learning. While conventional methods-such as binary, multiclass, and multi-label classification-are effective for simpler problems, they may not adequately address the complexities of some…

3D face reconstruction (3DFR) algorithms are based on specific assumptions tailored to the limits and characteristics of the different application scenarios. In this study, we investigate how multiple state-of-the-art 3DFR algorithms can be…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Simone Maurizio La Cava , Roberto Casula , Sara Concas , Giulia Orrù , Ruben Tolosana , Martin Drahansky , Julian Fierrez , Gian Luca Marcialis

Remote sensing change detection is vital for monitoring environmental and urban transformations but faces challenges like manual feature extraction and sensitivity to noise. Traditional methods and early deep learning models, such as…

In frame-based vision, object detection faces substantial performance degradation under challenging conditions due to the limited sensing capability of conventional cameras. Event cameras output sparse and asynchronous events, providing a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hu Cao , Zehua Zhang , Yan Xia , Xinyi Li , Jiahao Xia , Guang Chen , Alois Knoll

Humans perceive the world by concurrently processing and fusing high-dimensional inputs from multiple modalities such as vision and audio. Machine perception models, in stark contrast, are typically modality-specific and optimised for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Arsha Nagrani , Shan Yang , Anurag Arnab , Aren Jansen , Cordelia Schmid , Chen Sun

Recent advances in multimodal learning have motivated the integration of auxiliary modalities such as text or vision into time series (TS) forecasting. However, most existing methods provide limited gains, often improving performance only…

Machine Learning · Computer Science 2026-03-25 Seunghan Lee , Jun Seo , Jaehoon Lee , Sungdong Yoo , Minjae Kim , Tae Yoon Lim , Dongwan Kang , Hwanil Choi , SoonYoung Lee , Wonbin Ahn

The rapid growth of unlabeled time series data, driven by the Internet of Things (IoT), poses significant challenges in uncovering underlying patterns. Traditional unsupervised clustering methods often fail to capture the complex nature of…

Machine Learning · Computer Science 2025-03-31 Congyu Wang , Mingjing Du , Xiang Jiang , Yongquan Dong

This study investigates clustered federated learning (FL), one of the formulations of FL with non-i.i.d. data, where the devices are partitioned into clusters and each cluster optimally fits its data with a localized model. We propose a…

Machine Learning · Computer Science 2023-12-27 Xue Yu , Ziyi Liu , Wu Wang , Yifan Sun

Clustered federated learning (CFL) is proposed to mitigate the performance deterioration stemming from data heterogeneity in federated learning (FL) by grouping similar clients for cluster-wise model training. However, current CFL methods…

Machine Learning · Computer Science 2024-04-01 Yuxin Zhang , Haoyu Chen , Zheng Lin , Zhe Chen , Jin Zhao

ROCKET (RandOm Convolutional KErnel Transform) is a feature extraction algorithm created for Time Series Classification (TSC), published in 2019. It applies convolution with randomly generated kernels on a time series, producing features…

Machine Learning · Computer Science 2026-01-27 Ole Stüven , Keno Moenck , Thorsten Schüppstuhl

This paper introduces a novel mixture model-based approach for simultaneous clustering and optimal segmentation of functional data which are curves presenting regime changes. The proposed model consists in a finite mixture of piecewise…

Methodology · Statistics 2014-05-02 Faicel Chamroukhi

We propose a unified object-aware temporal learning framework for multi-view 3D detection and tracking tasks. Having observed that the efficacy of the temporal fusion strategy in recent multi-view perception methods may be weakened by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Mingzhe Guo , Zhipeng Zhang , Liping Jing , Yuan He , Ke Wang , Heng Fan

End-to-end acoustic speech recognition has quickly gained widespread popularity and shows promising results in many studies. Specifically the joint transformer/CTC model provides very good performance in many tasks. However, under noisy and…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-20 Wentao Yu , Steffen Zeiler , Dorothea Kolossa

Analyzing time series data is crucial to a wide spectrum of applications, including economics, online marketplaces, and human healthcare. In particular, time series classification plays an indispensable role in segmenting different phases…

Machine Learning · Computer Science 2025-05-12 Xiwen Chen , Wenhui Zhu , Peijie Qiu , Hao Wang , Huayu Li , Zihan Li , Yalin Wang , Aristeidis Sotiras , Abolfazl Razi

To deal with the exhausting annotations, self-supervised representation learning from unlabeled point clouds has drawn much attention, especially centered on augmentation-based contrastive methods. However, specific augmentations hardly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhuheng Lu , Yuewei Dai , Weiqing Li , Zhiyong Su

This paper proposes a novel framework for lung sound event detection, segmenting continuous lung sound recordings into discrete events and performing recognition on each event. Exploiting the lightweight nature of Temporal Convolution…

Handling varying computational resources is a critical issue in modern AI applications. Adaptive deep networks, featuring the dynamic employment of multiple classifier heads among different layers, have been proposed to address…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Xu Zhang , Zhipeng Xie , Haiyang Yu , Qitong Wang , Peng Wang , Wei Wang