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We introduce Text-based Explainable Video Anomaly Detection (TbVAD), a language-driven framework for weakly supervised video anomaly detection that performs anomaly detection and explanation entirely within the textual domain. Unlike…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Hari Lee

As LLMs grow in capability, the task of supervising LLMs becomes more challenging. Supervision failures can occur if LLMs are sensitive to factors that supervisors are unaware of. We investigate Mechanistic Anomaly Detection (MAD) as a…

机器学习 · 计算机科学 2025-04-15 David O. Johnston , Arkajyoti Chakraborty , Nora Belrose

Efficient Multimodal Large Language Models (EMLLMs) can improve performance through Chain-of-Thought (CoT) reasoning, but they have poor self-evaluation capabilities during the CoT reasoning process. This is due to their tendency to…

计算与语言 · 计算机科学 2025-03-18 Zheqi Lv , Wenkai Wang , Jiawei Wang , Shengyu Zhang , Fei Wu

Test-time scaling (TTS) has become an effective approach for improving large language model performance by allocating additional computation during inference. However, existing TTS strategies are largely hand-crafted: researchers manually…

Large language models (LLMs) find increasing applications in many fields. Here, three LLM chatbots (ChatGPT-3.5, ChatGPT-4 and Bard) are assessed - in their current form, as publicly available - for their ability to recognize Alzheimer's…

计算与语言 · 计算机科学 2024-02-06 Balamurali B T , Jer-Ming Chen

Anomaly detection of time series, especially multivariate time series(time series with multiple sensors), has been focused on for several years. Though existing method has achieved great progress, there are several challenging problems to…

机器学习 · 计算机科学 2022-11-29 Weixuan Xiong , Xiaochen Sun

Data-driven approaches for autonomous driving (AD) have been widely adopted in the past decade but are confronted with dataset bias and uninterpretability. Inspired by the knowledge-driven nature of human driving, recent approaches explore…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Zhijian Huang , Tao Tang , Shaoxiang Chen , Sihao Lin , Zequn Jie , Lin Ma , Guangrun Wang , Xiaodan Liang

While anomaly detection has made significant progress, generating detailed analyses that incorporate industrial knowledge remains a challenge. To address this gap, we introduce OmniAD, a novel framework that unifies anomaly detection and…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Shifang Zhao , Yiheng Lin , Lu Han , Yao Zhao , Yunchao Wei

Large language models (LLMs) exhibit strong symbolic and compositional reasoning, yet they struggle with time series question answering as the data is typically transformed into an LLM-compatible modality, e.g., serialized text, plotted…

Status prediction and anomaly detection are two fundamental tasks in automatic IT systems monitoring. In this paper, a joint model Predictor & Anomaly Detector (PAD) is proposed to address these two issues under one framework. In our…

机器学习 · 计算机科学 2021-04-23 Run-Qing Chen , Guang-Hui Shi , Wan-Lei Zhao , Chang-Hui Liang

Large Language Models (LLMs) have exhibited impressive capabilities across diverse application domains. Recent work has explored Multi-LLM Agent Debate (MAD) as a way to enhance performance by enabling multiple LLMs to discuss and refine…

计算与语言 · 计算机科学 2026-05-27 Xuhang Chen , Zhifan Song , Deyi Ji , Shuo Gao , Lanyun Zhu

Multivariate time series anomaly detection (MTAD) plays a vital role in a wide variety of real-world application domains. Over the past few years, MTAD has attracted rapidly increasing attention from both academia and industry. Many deep…

机器学习 · 计算机科学 2023-06-13 Feng Xia , Xin Chen , Shuo Yu , Mingliang Hou , Mujie Liu , Linlin You

The integration of a complex set of Electronic Design Automation (EDA) tools to enhance interoperability is a critical concern for circuit designers. Recent advancements in large language models (LLMs) have showcased their exceptional…

硬件体系结构 · 计算机科学 2024-09-24 Zhuolun He , Haoyuan Wu , Xinyun Zhang , Xufeng Yao , Su Zheng , Haisheng Zheng , Bei Yu

Multi-task learning (MTL) and attention mechanism have been proven to effectively extract robust acoustic features for various speech-related tasks in noisy environments. In this study, we propose an attention-based MTL (ATM) approach that…

音频与语音处理 · 电气工程与系统科学 2021-02-23 Chiang-Jen Peng , Yun-Ju Chan , Cheng Yu , Syu-Siang Wang , Yu Tsao , Tai-Shih Chi

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

Industrial Anomaly Detection (IAD) is a subproblem within Computer Vision Anomaly Detection that has been receiving increasing amounts of attention due to its applicability to real-life scenarios. Recent research has focused on how to…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Mariette Schönfeld , Wannes Meert , Hendrik Blockeel

Detecting anomalies in multivariate time-series data is essential in many real-world applications. Recently, various deep learning-based approaches have shown considerable improvements in time-series anomaly detection. However, existing…

机器学习 · 计算机科学 2022-01-31 Kyeong-Joong Jeong , Yong-Min Shin

Anomaly detection is a fundamental task for time series analytics with important implications for the downstream performance of many applications. Despite increasing academic interest and the large number of methods proposed in the…

机器学习 · 计算机科学 2025-12-03 Emmanouil Sylligardos , John Paparrizos , Themis Palpanas , Pierre Senellart , Paul Boniol

Multivariate time series (MTS) data collected from multiple sensors provide the potential for accurate abnormal activity detection in smart healthcare scenarios. However, anomalies exhibit diverse patterns and become unnoticeable in MTS…

机器学习 · 计算机科学 2023-09-13 Mengjia Niu , Yuchen Zhao , Hamed Haddadi

Recent work on activation and latent steering has demonstrated that modifying internal representations can effectively guide large language models (LLMs) toward improved reasoning and efficiency without additional training. However, most…

机器学习 · 计算机科学 2026-01-07 Tuc Nguyen , Thai Le