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The early and robust detection of anomalies occurring in discrete manufacturing processes allows operators to prevent harm, e.g. defects in production machinery or products. While current approaches for data-driven anomaly detection provide…

机器学习 · 计算机科学 2021-01-05 Benjamin Maschler , Thi Thu Huong Pham , Michael Weyrich

Large language model (LLM) agents have emerged as a promising solution to automate the workflow of machine learning, but most existing methods share a common limitation: they attempt to optimize entire pipelines in a single step before…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Eric Xue , Ke Chen , Zeyi Huang , Yuyang Ji , Haohan Wang

Due to the scarcity and unpredictable nature of defect samples, industrial anomaly detection (IAD) predominantly employs unsupervised learning. However, all unsupervised IAD methods face a common challenge: the inherent bias in normal…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Xin Chen , Liujuan Cao , Shengchuan Zhang , Xiewu Zheng , Yan Zhang

This article investigates the core mechanisms of indirect data-driven control for unknown systems, focusing on the application of policy iteration (PI) within the context of the linear quadratic regulator (LQR) optimal control problem.…

系统与控制 · 电气工程与系统科学 2025-04-14 Bowen Song , Andrea Iannelli

Anomaly detection (AD), separating anomalies from normal data, has many applications across domains, from security to healthcare. While most previous works were shown to be effective for cases with fully or partially labeled data, that…

机器学习 · 计算机科学 2022-08-08 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Chen-Yu Lee , Tomas Pfister

Inspection of insulators is important to ensure reliable operation of the power system. Deep learning is being increasingly exploited to automate the inspection process by leveraging object detection models to analyse aerial images captured…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Laya Das , Blazhe Gjorgiev , Giovanni Sansavini

Existing industrial anomaly detection methods primarily concentrate on unsupervised learning with pristine RGB images. Yet, both RGB and 3D data are crucial for anomaly detection, and the datasets are seldom completely clean in practical…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Chengjie Wang , Haokun Zhu , Jinlong Peng , Yue Wang , Ran Yi , Yunsheng Wu , Lizhuang Ma , Jiangning Zhang

Key Performance Indicators (KPIs) are essential time-series metrics for ensuring the reliability and stability of many software systems. They faithfully record runtime states to facilitate the understanding of anomalous system behaviors and…

软件工程 · 计算机科学 2024-01-15 Jinyang Liu , Wenwei Gu , Zhuangbin Chen , Yichen Li , Yuxin Su , Michael R. Lyu

Data quality is critical for multimedia tasks, while various types of systematic flaws are found in image benchmark datasets, as discussed in recent work. In particular, the existence of the semantic gap problem leads to a many-to-many…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Fausto Giunchiglia , Xiaolei Diao , Mayukh Bagchi

This paper proposes a general incremental policy iteration adaptive dynamic programming (ADP) algorithm for model-free robust optimal control of unknown nonlinear systems. The approach integrates recursive least squares estimation with…

最优化与控制 · 数学 2025-09-01 Qingkai Meng , Fenglan Wang , Lin Zhao

Due to the complexity of modern IT services, failures can be manifold, occur at any stage, and are hard to detect. For this reason, anomaly detection applied to monitoring data such as logs allows gaining relevant insights to improve IT…

机器学习 · 计算机科学 2023-01-26 Thorsten Wittkopp , Dominik Scheinert , Philipp Wiesner , Alexander Acker , Odej Kao

Deep learning approaches to optical flow estimation have seen rapid progress over the recent years. One common trait of many networks is that they refine an initial flow estimate either through multiple stages or across the levels of a…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Junhwa Hur , Stefan Roth

In industrial settings, surface defects on steel can significantly compromise its service life and elevate potential safety risks. Traditional defect detection methods predominantly rely on manual inspection, which suffers from low…

机器学习 · 计算机科学 2025-04-25 Cheng Shen , Yuewei Liu

Optimizing Large Language Model (LLM) performance requires well-crafted prompts, but manual prompt engineering is labor-intensive and often ineffective. Automated prompt optimization techniques address this challenge but the majority of…

计算与语言 · 计算机科学 2025-08-20 Ximing Dong , Shaowei Wang , Dayi Lin , Ahmed E. Hassan

Sewer pipe faults, such as leaks and blockages, can lead to severe consequences including groundwater contamination, property damage, and service disruption. Traditional inspection methods rely heavily on the manual review of CCTV footage…

机器人学 · 计算机科学 2025-07-31 Alex George , Will Shepherd , Simon Tait , Lyudmila Mihaylova , Sean R. Anderson

Anomaly detection (AD) is essential for industrial inspection and medical diagnosis, yet existing methods typically rely on ``comparing'' test images to normal references from a training set. However, variations in appearance and…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Wei Luo , Haiming Yao , Yunkang Cao , Qiyu Chen , Ang Gao , Weiming Shen , Wenyong Yu

Outlier detection is the identification of points in a dataset that do not conform to the norm. Outlier detection is highly sensitive to the choice of the detection algorithm and the feature subspace used by the algorithm. Extracting…

人工智能 · 计算机科学 2017-05-18 Yanjie Fu , Charu Aggarwal , Srinivasan Parthasarathy , Deepak S. Turaga , Hui Xiong

Implicit Neural Representations (INRs) have revolutionized signal processing and computer vision by modeling signals as continuous, differentiable functions parameterized by neural networks. However, INRs are prone to the spectral bias…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Ali Haider , Muhammad Salman Ali , Maryam Qamar , Tahir Khalil , Soo Ye Kim , Jihyong Oh , Enzo Tartaglione , Sung-Ho Bae

In dynamic scenes, images often suffer from dynamic blur due to superposition of motions or low signal-noise ratio resulted from quick shutter speed when avoiding motions. Recovering sharp and clean results from the captured images heavily…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Cheng Zhang , Shaolin Su , Yu Zhu , Qingsen Yan , Jinqiu Sun , Yanning Zhang

In industrial vision, the anomaly detection problem can be addressed with an autoencoder trained to map an arbitrary image, i.e. with or without any defect, to a clean image, i.e. without any defect. In this approach, anomaly detection…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Anne-Sophie Collin , Christophe De Vleeschouwer