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相关论文: RAID: Retrieval-Augmented Anomaly Detection

200 篇论文

The use of Retrieval-Augmented Generation (RAG) has improved Large Language Models (LLMs) in collaborating with external data, yet significant challenges exist in real-world scenarios. In areas such as academic literature and finance…

人工智能 · 计算机科学 2024-11-01 Yulong Hui , Yao Lu , Huanchen Zhang

The scaling of large language models to encode all the world's knowledge in model parameters is unsustainable and has exacerbated resource barriers. Retrieval-Augmented Generation (RAG) presents a potential solution, yet its application to…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Varun Nagaraj Rao , Siddharth Choudhary , Aditya Deshpande , Ravi Kumar Satzoda , Srikar Appalaraju

Outlier detection in tabular data is crucial for safeguarding data integrity in high-stakes domains such as cybersecurity, financial fraud detection, and healthcare, where anomalies can cause serious operational and economic impacts.…

机器学习 · 计算机科学 2025-10-13 Yihao Ang , Peicheng Yao , Yifan Bao , Yushuo Feng , Qiang Huang , Anthony K. H. Tung , Zhiyong Huang

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

VAD is a critical field in machine learning focused on identifying deviations from normal patterns in images, often challenged by the scarcity of anomalous data and the need for unsupervised training. To accelerate research and deployment…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Manuel Barusco , Francesco Borsatti , Arianna Stropeni , Davide Dalle Pezze , Gian Antonio Susto

The detection of lesions in magnetic resonance imaging (MRI)-scans of human brains remains challenging, time-consuming and error-prone. Recently, unsupervised anomaly detection (UAD) methods have shown promising results for this task. These…

图像与视频处理 · 电气工程与系统科学 2022-04-13 Finn Behrendt , Marcel Bengs , Frederik Rogge , Julia Krüger , Roland Opfer , Alexander Schlaefer

Image anomaly detection (IAD) is an emerging and vital computer vision task in industrial manufacturing (IM). Recently, many advanced algorithms have been reported, but their performance deviates considerably with various IM settings. We…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Guoyang Xie , Jinbao Wang , Jiaqi Liu , Jiayi Lyu , Yong Liu , Chengjie Wang , Feng Zheng , Yaochu Jin

Overfitting has traditionally been viewed as detrimental to anomaly detection, where excessive generalization often limits models' sensitivity to subtle anomalies. Our work challenges this conventional view by introducing Controllable…

机器学习 · 计算机科学 2025-08-05 Long Qian , Bingke Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

The rapid advances in generative AI models have empowered the creation of highly realistic images with arbitrary content, raising concerns about potential misuse and harm, such as Deepfakes. Current research focuses on training detectors…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Zhiyuan He , Pin-Yu Chen , Tsung-Yi Ho

Anomaly detection, which aims to identify anomalies deviating from normal patterns, is challenging due to the limited amount of normal data available. Unlike most existing unified methods that rely on carefully designed image feature…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Jiawei Liu , Jiahe Hou , Wei Wang , Jinsong Du , Yang Cong , Huijie Fan

Effective anomaly detection in time series is pivotal for modern industrial applications and financial systems. Due to the scarcity of anomaly labels and the high cost of manual labeling, reconstruction-based unsupervised approaches have…

机器学习 · 计算机科学 2025-09-25 Tiejun Wang , Rui Wang , Xudong Mou , Mengyuan Ma , Tianyu Wo , Renyu Yang , Xudong Liu

Fully Unsupervised Anomaly Detection (FUAD) is a practical extension of Unsupervised Anomaly Detection (UAD), aiming to detect anomalies without any labels even when the training set may contain anomalous samples. To achieve FUAD, we…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xinyue Liu , Jianyuan Wang , Biao Leng , Shuo Zhang

Video Anomaly Detection (VAD) can play a key role in spotting unusual activities in video footage. VAD is difficult to use in real-world settings due to the dynamic nature of human actions, environmental variations, and domain shifts.…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Anomaly detection (AD) is a fundamental task in computer vision. It aims to identify incorrect image data patterns which deviate from the normal ones. Conventional methods generally address AD by preparing augmented negative samples to…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Jianjian Qin , Chunzhi Gu , Jun Yu , Chao Zhang

Graph anomaly detection (GAD), which aims to identify unusual graph instances (nodes, edges, subgraphs, or graphs), has attracted increasing attention in recent years due to its significance in a wide range of applications. Deep learning…

机器学习 · 计算机科学 2025-06-19 Hezhe Qiao , Hanghang Tong , Bo An , Irwin King , Charu Aggarwal , Guansong Pang

Handling contaminated data poses a critical challenge in anomaly detection, as traditional models assume training on purely normal data. Conventional methods mitigate contamination by relying on fixed contamination ratios, but discrepancies…

机器学习 · 计算机科学 2025-11-27 Jungi Lee , Jungkwon Kim , Chi Zhang , Kwangsun Yoo , Seok-Joo Byun

Despite substantial progress in anomaly synthesis methods, existing diffusion-based and coarse inpainting pipelines commonly suffer from structural deficiencies such as micro-structural discontinuities, limited semantic controllability, and…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Long Qian , Bingke Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

Despite the rapid advancement of navigation algorithms, mobile robots often produce anomalous behaviors that can lead to navigation failures. The ability to detect such anomalous behaviors is a key component in modern robots to achieve…

机器人学 · 计算机科学 2022-04-05 Tianchen Ji , Arun Narenthiran Sivakumar , Girish Chowdhary , Katherine Driggs-Campbell

We introduce Resonant Anomaly Detection with Optimal Transport (RAD-OT), a method for generating signal templates in resonant anomaly detection searches. RAD-OT leverages the fact that the conditional probability density of the target…

高能物理 - 唯象学 · 物理学 2024-07-30 Matthew Leigh , Debajyoti Sengupta , Benjamin Nachman , Tobias Golling

Out-of-distribution (OOD) detection is crucial for enhancing the generalization of AI models used in mammogram screening. Given the challenge of limited prior knowledge about OOD samples in external datasets, unsupervised generative…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Zhemin Zhang , Bhavika Patel , Bhavik Patel , Imon Banerjee