中文
相关论文

相关论文: KDSelector: A Knowledge-Enhanced and Data-Efficien…

200 篇论文

Outlier detection is a key field of machine learning for identifying abnormal data objects. Due to the high expense of acquiring ground truth, unsupervised models are often chosen in practice. To compensate for the unstable nature of…

机器学习 · 计算机科学 2020-02-11 Yue Zhao , Xueying Ding , Jianing Yang , Haoping Bai

Time-series anomaly detection plays a vital role in monitoring complex operation conditions. However, the detection accuracy of existing approaches is heavily influenced by pattern distribution, existence of multiple normal patterns,…

机器学习 · 计算机科学 2022-02-08 Min Hu , Yi Wang , Xiaowei Feng , Shengchen Zhou , Zhaoyu Wu , Yuan Qin

Time series anomaly detection presents various challenges due to the sequential and dynamic nature of time-dependent data. Traditional unsupervised methods frequently encounter difficulties in generalization, often overfitting to known…

机器学习 · 统计学 2025-07-30 Aitor Sánchez-Ferrera , Borja Calvo , Jose A. Lozano

There is growing interest in applying graph-based methods to Time Series Anomaly Detection (TSAD), particularly Graph Neural Networks (GNNs), as they naturally model dependencies among multivariate signals. GNNs are typically used as…

机器学习 · 计算机科学 2026-03-11 Federico Bello , Gonzalo Chiarlone , Marcelo Fiori , Gastón García González , Federico Larroca

LiDAR place recognition plays a crucial role in SLAM, robot navigation, and autonomous driving. However, existing LiDAR place recognition methods often struggle to adapt to new environments without forgetting previously learned knowledge, a…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Xufei Wang , Junqiao Zhao , Siyue Tao , Qiwen Gu , Wonbong Kim , Tiantian Feng

In text classification tasks, fine tuning pretrained language models like BERT and GPT-3 yields competitive accuracy; however, both methods require pretraining on large text datasets. In contrast, general topic modeling methods possess the…

计算与语言 · 计算机科学 2024-02-13 Weijie Xu , Xiaoyu Jiang , Jay Desai , Bin Han , Fuqin Yan , Francis Iannacci

Model selection is a strategy aimed at creating accurate and robust models. A key challenge in designing these algorithms is identifying the optimal model for classifying any particular input sample. This paper addresses this challenge and…

机器学习 · 计算机科学 2023-05-22 James Kotary , Vincenzo Di Vito , Ferdinando Fioretto

Existing subset selection methods for efficient learning predominantly employ discrete combinatorial and model-specific approaches which lack generalizability. For an unseen architecture, one cannot use the subset chosen for a different…

机器学习 · 计算机科学 2024-09-20 Eeshaan Jain , Tushar Nandy , Gaurav Aggarwal , Ashish Tendulkar , Rishabh Iyer , Abir De

Quantum-inspired tensor networks algorithms have shown to be effective and efficient models for machine learning tasks, including anomaly detection. Here, we propose a highly parallelizable quantum-inspired approach which we call SMT-AD…

机器学习 · 计算机科学 2026-04-09 Apimuk Sornsaeng , Si Min Chan , Wenxuan Zhang , Swee Liang Wong , Joshua Lim , Dario Poletti

Researchers have attempted utilizing deep neural network (DNN) to learn novel local features from images inspired by its recent successes on a variety of vision tasks. However, existing DNN-based algorithms have not achieved such remarkable…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Yafei Song , Ling Cai , Jia Li , Yonghong Tian , Mingyang Li

Time series anomaly detection (TSAD) focuses on identifying whether observations in streaming data deviate significantly from normal patterns. With the prevalence of connected devices, anomaly detection on time series has become paramount,…

机器学习 · 计算机科学 2025-06-11 Samy-Melwan Vilhes , Gilles Gasso , Mokhtar Z Alaya

Time Delay Neural Network (TDNN) is a well-performing structure for DNN-based speaker recognition systems. In this paper we introduce a novel structure Crossed-Time Delay Neural Network (CTDNN) to enhance the performance of current TDNN.…

音频与语音处理 · 电气工程与系统科学 2022-03-08 Liang Chen , Yanchun Liang , Xiaohu Shi , You Zhou , Chunguo Wu

Solving real-world problems, particularly with deep learning, relies on the availability of abundant, quality data. In this paper we develop a novel framework that maximises the utility of time-series datasets that contain only small…

机器学习 · 计算机科学 2019-06-04 Ivan Kiskin , Udeepa Meepegama , Steven Roberts

Current time series foundation models (TSFMs) primarily focus on learning prevalent and regular patterns within a predefined time or frequency domain to enable supervised downstream tasks (e.g., forecasting). Consequently, they are often…

机器学习 · 计算机科学 2026-02-24 Hui He , Hezhe Qiao , Yutong Chen , Kun Yi , Guansong Pang

Software-defined networking (SDN) is a new paradigm that allows developing more flexible network applications. SDN controller, which represents a centralized controlling point, is responsible for running various network applications as well…

密码学与安全 · 计算机科学 2019-05-09 Majd Latah , Levent Toker

Time series anomaly detection (TSAD) is essential for maintaining the reliability and security of IoT-enabled service systems. Existing methods require training one specific model for each dataset, which exhibits limited generalization…

机器学习 · 计算机科学 2026-04-23 PengYu Chen , Shang Wan , Xiaohou Shi , Yuan Chang , Yan Sun , Sajal K. Das

Deep learning models in medical imaging often encounter challenges when adapting to new clinical settings unseen during training. Test-time adaptation offers a promising approach to optimize models for these unseen domains, yet its…

机器学习 · 计算机科学 2024-10-28 Sameer Ambekar , Julia A. Schnabel , Cosmin I. Bercea

Despite the success of deep neural network (DNN) on sequential data (i.e., scene text and speech) recognition, it suffers from the over-confidence problem mainly due to overfitting in training with the cross-entropy loss, which may make the…

人工智能 · 计算机科学 2023-03-14 Shuangping Huang , Yu Luo , Zhenzhou Zhuang , Jin-Gang Yu , Mengchao He , Yongpan Wang

Time series anomaly detection (TSAD) is becoming increasingly vital due to the rapid growth of time series data across various sectors. Anomalies in web service data, for example, can signal critical incidents such as system failures or…

机器学习 · 计算机科学 2024-11-06 Jiaxin Zhuang , Leon Yan , Zhenwei Zhang , Ruiqi Wang , Jiawei Zhang , Yuantao Gu

Anomaly detection (AD) plays a pivotal role in numerous web-based applications, including malware detection, anti-money laundering, device failure detection, and network fault analysis. Most methods, which rely on unsupervised learning, are…

机器学习 · 计算机科学 2024-02-07 Haihong Zhao , Chenyi Zi , Yang Liu , Chen Zhang , Yan Zhou , Jia Li