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Deploying machine learning in open environments presents the challenge of encountering diverse test inputs that differ significantly from the training data. These out-of-distribution samples may exhibit shifts in local or global features…

机器学习 · 计算机科学 2024-03-19 Jiawei Li , Sitong Li , Shanshan Wang , Yicheng Zeng , Falong Tan , Chuanlong Xie

Multi-label classification (MLC) requires predicting multiple labels per sample, often under heavy class imbalance and noisy conditions. Traditional approaches apply fixed thresholds or treat labels independently, overlooking context and…

机器学习 · 计算机科学 2025-05-07 Dmytro Shamatrin

Intelligent fault diagnosis has become an indispensable technique for ensuring machinery reliability. However, existing methods suffer significant performance decline in real-world scenarios where models are tested under unseen working…

人工智能 · 计算机科学 2026-01-01 Pengcheng Xia , Yixiang Huang , Chengjin Qin , Chengliang Liu

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…

A majority of recent advancements related to the fault diagnosis of electrical motors are based on the assumption that training and testing data are drawn from the same distribution. However, the data distribution can vary across different…

系统与控制 · 电气工程与系统科学 2023-08-01 Sriram Anbalagan , Deepesh Agarwal , Balasubramaniam Natarajan , Babji Srinivasan

Recent advances in histopathology vision-language foundation models (VLFMs) have shown promise in addressing data scarcity for whole slide image (WSI) classification via zero-shot adaptation. However, these methods remain outperformed by…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Tianqi Xiang , Yi Li , Qixiang Zhang , Xiaomeng Li

Automatic modulation classification (AMC) plays a vital role in advancing future wireless communication networks. Although deep learning (DL)-based AMC frameworks have demonstrated remarkable classification capabilities, they typically…

信号处理 · 电气工程与系统科学 2025-09-23 Hao Zhang , Fuhui Zhou , Qihui Wu , Chau Yuen

Multi-rater medical image segmentation captures the inherent ambiguity of clinical interpretation, where diagnostic boundaries vary across experts and imaging devices. Existing approaches often reduce this diversity to consensus labels or…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Sanaz Karimijafarbigloo , Armin Khosravi , Alireza Kheyrkhah , Reza Azad , Mauricio Reyes , Dorit Merhof

Drawing inspiration from gradient-based meta-learning methods with infinitely small gradient steps, we introduce Continuous-Time Meta-Learning (COMLN), a meta-learning algorithm where adaptation follows the dynamics of a gradient vector…

机器学习 · 计算机科学 2022-03-04 Tristan Deleu , David Kanaa , Leo Feng , Giancarlo Kerg , Yoshua Bengio , Guillaume Lajoie , Pierre-Luc Bacon

Vehicle Make and Model Recognition (MMR) systems provide a fully automatic framework to recognize and classify different vehicle models. Several approaches have been proposed to address this challenge, however they can perform in restricted…

计算机视觉与模式识别 · 计算机科学 2018-06-11 Amir Nazemi , Mohammad Javad Shafiee , Zohreh Azimifar , Alexander Wong

The performance of a modulation classifier is highly sensitive to channel signal-to-noise ratio (SNR). In this paper, we focus on amplitude-phase modulations and propose a modulation classification framework based on centralized data fusion…

信息论 · 计算机科学 2013-06-12 Onur Ozdemir , Ruoyu Li , Pramod K. Varshney

Reliable mechanical fault detection with limited data is crucial for the effective operation of induction machines, particularly given the real-world challenges present in industrial datasets, such as significant imbalances between healthy…

系统与控制 · 电气工程与系统科学 2025-04-04 Ali Pourghoraba , MohammadSadegh KhajueeZadeh , Ali Amini , Abolfazl Vahedi , Gholam Reza Agah , Akbar Rahideh

Automatic modulation classification (AMC) is to identify the modulation format of the received signal corrupted by the channel effects and noise. Most existing works focus on the impact of noise while relatively little attention has been…

信号处理 · 电气工程与系统科学 2023-10-13 Sai Huang , Yuting Chen , Jiashuo He , Shuo Chang , Zhiyong Feng

Separating multiple effects in time series is fundamental yet challenging for time-series forecasting (TSF). However, existing TSF models cannot effectively learn interpretable multi-effect decomposition by their smoothing-based temporal…

机器学习 · 计算机科学 2026-03-20 Runze Yang , Longbing Cao , Xiaoming Wu , Xin You , Kun Fang , Jianxun Li , Jie Yang

Large Language Model (LLM)-based systems present new opportunities for autonomous health monitoring in sensor-rich industrial environments. This study explores the potential of LLMs to detect and classify faults directly from sensor data,…

人工智能 · 计算机科学 2025-09-30 Xian Yeow Lee , Lasitha Vidyaratne , Ahmed Farahat , Chetan Gupta

Automatic modulation classification (AMC) is a crucial stage in the spectrum management, signal monitoring, and control of wireless communication systems. The accurate classification of the modulation format plays a vital role in the…

信号处理 · 电气工程与系统科学 2023-04-04 Jiawei Zhang , Tiantian Wang , Zhixi Feng , Shuyuan Yang

While using two-dimensional convolutional neural networks (2D-CNNs) in image processing, it is possible to manipulate domain information using channel statistics, and instance normalization has been a promising way to get domain-invariant…

声音 · 计算机科学 2022-06-28 Byeonggeun Kim , Seunghan Yang , Jangho Kim , Hyunsin Park , Juntae Lee , Simyung Chang

Fault diagnosis plays an essential role in reducing the maintenance costs of rotating machinery manufacturing systems. In many real applications of fault detection and diagnosis, data tend to be imbalanced, meaning that the number of…

机器学习 · 计算机科学 2022-03-30 Masoud Jalayer , Amin Kaboli , Carlotta Orsenigo , Carlo Vercellis

Automatic Modulation Classification (AMC) plays a vital role in time series analysis, such as signal classification and identification within wireless communications. Deep learning-based AMC models have demonstrated significant potential in…

信号处理 · 电气工程与系统科学 2023-12-06 Jiaxin Gao , Qinglong Cao , Yuntian Chen

Robust loss functions are crucial for training deep neural networks in the presence of label noise, yet existing approaches require extensive, dataset-specific hyperparameter tuning. In this work, we introduce Fractional Classification Loss…

机器学习 · 计算机科学 2025-08-11 Mert Can Kurucu , Tufan Kumbasar , İbrahim Eksin , Müjde Güzelkaya