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In recent years, learning-based underwater image enhancement (UIE) techniques have rapidly evolved. However, distribution shifts between high-quality enhanced outputs and natural images can hinder semantic cue extraction for downstream…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Guodong Fan , Shengning Zhou , Genji Yuan , Huiyu Li , Jingchun Zhou , Jinjiang Li

Intelligent behaviour in the real-world requires the ability to acquire new knowledge from an ongoing sequence of experiences while preserving and reusing past knowledge. We propose a novel algorithm for unsupervised representation learning…

Large Language Models (LLMs) can be seen as compressed knowledge bases, but it remains unclear what knowledge they truly contain and how far their knowledge boundary extends. Existing benchmarks are mostly static and provide limited support…

机器学习 · 计算机科学 2026-05-27 Yuheng Yang , Siqi Zhu , Tao Feng , Ge Liu , Jiaxuan You

Advancements in deep learning techniques have given a boost to the performance of anomaly detection. However, real-world and safety-critical applications demand a level of transparency and reasoning beyond accuracy. The task of anomaly…

Vision-language models (VLMs) are capable of recognizing unseen actions. However, existing VLMs lack intrinsic understanding of procedural action concepts. Hence, they overfit to fixed labels and are not invariant to unseen action synonyms.…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Reza Ghoddoosian , Nakul Agarwal , Isht Dwivedi , Behzad Darisuh

Multimodal large language models (MLLMs) have demonstrated impressive general competence in video understanding, yet their reliability for real-world Video Anomaly Detection (VAD) remains largely unexplored. Unlike conventional pipelines…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Shanle Yao , Armin Danesh Pazho , Narges Rashvand , Hamed Tabkhi

Anomalies are intuitively easy for human experts to understand, but they are hard to define mathematically. Therefore, in order to have performance guarantees in unsupervised anomaly detection, priors need to be assumed on what the…

机器学习 · 统计学 2020-04-08 Tiago Pimentel , Marianne Monteiro , Adriano Veloso , Nivio Ziviani

Large Language Models (LLMs) demonstrate an impressive capacity to recall a vast range of factual knowledge. However, understanding their underlying reasoning and internal mechanisms in exploiting this knowledge remains a key research area.…

计算与语言 · 计算机科学 2024-08-07 Marco Bronzini , Carlo Nicolini , Bruno Lepri , Jacopo Staiano , Andrea Passerini

As vision-language models (VLMs) tackle increasingly complex and multimodal tasks, the rapid growth of Key-Value (KV) cache imposes significant memory and computational bottlenecks during inference. While Multi-Head Latent Attention (MLA)…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Xiaoran Fan , Zhichao Sun , Tao Ji , Lixing Shen , Tao Gui

In recent years, considerable research has been conducted on vision-language models that handle both image and text data; these models are being applied to diverse downstream tasks, such as "image-related chat," "image recognition by…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Kosuke Sakurai , Tatsuya Ishii , Ryotaro Shimizu , Linxin Song , Masayuki Goto

Most existing Low-light Image Enhancement (LLIE) methods either directly map Low-Light (LL) to Normal-Light (NL) images or use semantic or illumination maps as guides. However, the ill-posed nature of LLIE and the difficulty of semantic…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Han Zhou , Wei Dong , Xiaohong Liu , Shuaicheng Liu , Xiongkuo Min , Guangtao Zhai , Jun Chen

Neural Linear Models (NLM) are deep Bayesian models that produce predictive uncertainties by learning features from the data and then performing Bayesian linear regression over these features. Despite their popularity, few works have…

机器学习 · 统计学 2021-12-17 Sujay Thakur , Cooper Lorsung , Yaniv Yacoby , Finale Doshi-Velez , Weiwei Pan

Large language models (LLMs) have shown their potential in long-context understanding and mathematical reasoning. In this paper, we study the problem of using LLMs to detect tabular anomalies and show that pre-trained LLMs are zero-shot…

机器学习 · 计算机科学 2024-06-25 Aodong Li , Yunhan Zhao , Chen Qiu , Marius Kloft , Padhraic Smyth , Maja Rudolph , Stephan Mandt

We investigate anomaly detection in an unsupervised framework and introduce Long Short Term Memory (LSTM) neural network based algorithms. In particular, given variable length data sequences, we first pass these sequences through our LSTM…

信号处理 · 电气工程与系统科学 2020-02-25 Tolga Ergen , Ali Hassan Mirza , Suleyman Serdar Kozat

In this paper, we address the challenging problem of single-scene, fully unsupervised video anomaly detection (VAD), where raw videos containing both normal and abnormal events are used directly for training and testing without any labels.…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Yuang Geng , Junkai Zhou , Kang Yang , Pan He , Zhuoyang Zhou , Jose C. Principe , Joel Harley , Ivan Ruchkin

Sparse Attention Vectors (SAVs) have emerged as an excellent training-free alternative to supervised finetuning or low-rank adaptation to improve the performance of Vision Language Models (VLMs). At their heart, SAVs select a few accurate…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Pierre Musacchio , Jaeyi Jeong , Dahun Kim , Jaesik Park

Multimodal large language models (MLLMs) can enrich industrial anomaly detection with semantic descriptions and anomaly reasoning, but they still lag specialist anomaly detectors in binary detection accuracy. Existing approaches address…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Xiaomeng Peng , Xilang Huang , Seon Han Choi

As large language models (LLMs) continue to advance, their capacity to function effectively across a diverse range of languages has shown marked improvement. Preliminary studies observe that the hidden activations of LLMs often resemble…

This paper proposes a strategy for the detection and triangulation of structural anomalies in solid media. The method revolves around the construction of sparse representations of the medium's dynamic response, obtained by learning…

计算机视觉与模式识别 · 计算机科学 2014-05-13 Jeffrey M. Druce , Jarvis D. Haupt , Stefano Gonella

Grounded Multimodal Named Entity Recognition (GMNER) aims to extract named entities and localize their visual regions within image-text pairs, serving as a pivotal capability for various downstream applications. In open-world social media…

信息检索 · 计算机科学 2026-04-23 Jielong Tang , Xujie Yuan , Jiayang Liu , Jianxing Yu , Xiao Dong , Lin Chen , Yunlai Teng , Shimin Di , Jian Yin