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Anomaly detection is an important problem in computer vision; however, the scarcity of anomalous samples makes this task difficult. Thus, recent anomaly detection methods have used only normal images with no abnormal areas for training. In…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Shinji Yamada , Satoshi Kamiya , Kazuhiro Hotta

Video anomaly detection (VAD) aims to identify and ground anomalous behaviors or events in videos, serving as a core technology in the fields of intelligent surveillance and public safety. With the advancement of deep learning, the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shibo Gao , Peipei Yang , Haiyang Guo , Yangyang Liu , Yi Chen , Shuai Li , Han Zhu , Jian Xu , Xu-Yao Zhang , Linlin Huang

Retrieval-augmented large language models (LLMs) have demonstrated efficacy in knowledge-intensive tasks such as open-domain QA, addressing inherent challenges in knowledge update and factual inadequacy. However, inconsistencies between…

Computation and Language · Computer Science 2024-05-31 Jiajie Jin , Yutao Zhu , Yujia Zhou , Zhicheng Dou

The increasing demand for robust security solutions across various industries has made Video Anomaly Detection (VAD) a critical task in applications such as intelligent surveillance, evidence investigation, and violence detection.…

Machine Learning · Computer Science 2025-01-15 Sanggeon Yun , Ryozo Masukawa , William Youngwoo Chung , Minhyoung Na , Nathaniel Bastian , Mohsen Imani

Video anomaly understanding (VAU) aims to provide detailed interpretation and semantic comprehension of anomalous events within videos, addressing limitations of traditional methods that focus solely on detecting and localizing anomalies.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Ying Cheng , Yu-Ho Lin , Min-Hung Chen , Fu-En Yang , Shang-Hong Lai

Continuous efforts are being made to advance anomaly detection in various manufacturing processes to increase the productivity and safety of industrial sites. Deep learning replaced rule-based methods and recently emerged as a promising…

Machine Learning · Computer Science 2024-06-28 Kukjin Choi , Jihun Yi , Jisoo Mok , Sungroh Yoon

Large Language Models (LLMs) have greatly contributed to the development of adaptive intelligent agents and are positioned as an important way to achieve Artificial General Intelligence (AGI). However, LLMs are prone to produce factually…

Computation and Language · Computer Science 2024-08-29 Weijian Xie , Xuefeng Liang , Yuhui Liu , Kaihua Ni , Hong Cheng , Zetian Hu

This paper presents several novel findings on the explainability of vision reflection in large multimodal models (LMMs). First, we show that prompting an LMM to verify the prediction of a specialized vision model can improve recognition…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Guoyuan An , JaeYoon Kim , SungEui Yoon

Large Vision-Language Models (LVLMs) have experienced significant advancements in recent years. However, their performance still falls short in tasks requiring deep visual perception, such as identifying subtle differences between images. A…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Qingguo Hu , Ante Wang , Jia Song , Delai Qiu , Qingsong Liu , Jinsong Su

Key Performance Indicators (KPI), which are essentially time series data, have been widely used to indicate the performance of telecom networks. Based on the given KPIs, a large set of anomaly detection algorithms have been deployed for…

Machine Learning · Computer Science 2023-05-26 Hamza Bodor , Thai V. Hoang , Zonghua Zhang

Automatic anomaly detection is a major issue in various areas. Beyond mere detection, the identification of the origin of the problem that produced the anomaly is also essential. This paper introduces a general methodology that can assist…

Machine Learning · Statistics 2014-09-17 Tsirizo Rabenoro , Jérôme Lacaille , Marie Cottrell , Fabrice Rossi

Recent advancements in large-scale visual-language pre-trained models have led to significant progress in zero-/few-shot anomaly detection within natural image domains. However, the substantial domain divergence between natural and medical…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Chaoqin Huang , Aofan Jiang , Jinghao Feng , Ya Zhang , Xinchao Wang , Yanfeng Wang

Automatic vision inspection holds significant importance in industry inspection. While multimodal large language models (MLLMs) exhibit strong language understanding capabilities and hold promise for this task, their performance remains…

Information Retrieval · Computer Science 2026-04-06 Kai Zhang , Zekai Zhang , Xihe Sun , Anpeng Wang , Jingmeng Nie , Qinghui Chen , Han Hao , Jianyuan Guo , Jinglin Zhang

Anomaly detection in computational workflows is critical for ensuring system reliability and security. However, traditional rule-based methods struggle to detect novel anomalies. This paper leverages large language models (LLMs) for…

Software Engineering · Computer Science 2024-07-26 Hongwei Jin , George Papadimitriou , Krishnan Raghavan , Pawel Zuk , Prasanna Balaprakash , Cong Wang , Anirban Mandal , Ewa Deelman

This survey reviews works in which language models (LMs) are augmented with reasoning skills and the ability to use tools. The former is defined as decomposing a potentially complex task into simpler subtasks while the latter consists in…

Pre-trained language models (PLMs) have achieved remarkable success on various natural language understanding tasks. Simple fine-tuning of PLMs, on the other hand, might be suboptimal for domain-specific tasks because they cannot possibly…

Computation and Language · Computer Science 2022-08-05 Minki Kang , Jinheon Baek , Sung Ju Hwang

Search engines enable the retrieval of unknown information with texts. However, traditional methods fall short when it comes to understanding unfamiliar visual content, such as identifying an object that the model has never seen before.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Zhixin Zhang , Yiyuan Zhang , Xiaohan Ding , Xiangyu Yue

We apply several machine learning algorithms to the problem of anomaly detection in operational data for large-scale, high-voltage electric power grids. We observe important differences in the performance of the algorithms. Neural networks…

Systems and Control · Electrical Eng. & Systems 2026-02-12 Marc Gillioz , Guillaume Dubuis , Étienne Voutaz , Philippe Jacquod

Large Language Models (LLMs) might hallucinate facts, while curated Knowledge Graph (KGs) are typically factually reliable especially with domain-specific knowledge. Measuring the alignment between KGs and LLMs can effectively probe the…

Artificial Intelligence · Computer Science 2024-08-02 Shangshang Zheng , He Bai , Yizhe Zhang , Yi Su , Xiaochuan Niu , Navdeep Jaitly

Large language models (LLMs) acquire a large amount of knowledge through pre-training on vast and diverse corpora. While this endows LLMs with strong capabilities in generation and reasoning, it amplifies risks associated with sensitive,…

Cryptography and Security · Computer Science 2026-02-25 Ce Fang , Zhikun Zhang , Min Chen , Qing Liu , Lu Zhou , Zhe Liu , Yunjun Gao