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Related papers: VisualAD: Language-Free Zero-Shot Anomaly Detectio…

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Zero-shot learning (ZSL) aims to recognize instances of unseen classes solely based on the semantic descriptions of the classes. Existing algorithms usually formulate it as a semantic-visual correspondence problem, by learning mappings from…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Kai Li , Martin Renqiang Min , Yun Fu

Detecting anomalous hazards in visual data, particularly in video streams, is a critical challenge in autonomous driving. Existing models often struggle with unpredictable, out-of-label hazards due to their reliance on predefined object…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Shashank Shriram , Srinivasa Perisetla , Aryan Keskar , Harsha Krishnaswamy , Tonko Emil Westerhof Bossen , Andreas Møgelmose , Ross Greer

Zero-shot learning (ZSL) aims to recognize unseen classes without labeled training examples by leveraging class-level semantic descriptors such as attributes. A fundamental challenge in ZSL is semantic misalignment, where semantic-unrelated…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Zhi Chen , Zecheng Zhao , Jingcai Guo , Jingjing Li , Zi Huang

Automating visual inspection in industrial production lines is essential for increasing product quality across various industries. Anomaly detection (AD) methods serve as robust tools for this purpose. However, existing public datasets…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Aimira Baitieva , David Hurych , Victor Besnier , Olivier Bernard

While deep learning, including Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), has significantly advanced classification performance, its typical reliance on extensive annotated datasets presents a major obstacle in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Matheus Vinícius Todescato , Joel Luís Carbonera

This paper presents a novel method that leverages a visual-language model, CLIP, as a data source for zero-shot anomaly detection. Tremendous efforts have been put towards developing anomaly detectors due to their potential industrial…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Masato Tamura

Lesion detection, symptom tracking, and visual explainability are central to real-world medical image analysis, yet current medical Vision-Language Models (VLMs) still lack mechanisms that translate their broad knowledge into clinically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Woohyeon Park , Jaeik Kim , Sunghwan Steve Cho , Pa Hong , Wookyoung Jeong , Yoojin Nam , Namjoon Kim , Ginny Y. Wong , Ka Chun Cheung , Jaeyoung Do

Zero-shot anomaly classification (AC) and segmentation (AS) methods aim to identify and outline defects without using any labeled samples. In this paper, we reveal a key property that is overlooked by existing methods: normal image patches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xurui Li , Feng Xue , Yu Zhou

The recent contrastive language-image pre-training (CLIP) model has shown great success in a wide range of image-level tasks, revealing remarkable ability for learning powerful visual representations with rich semantics. An open and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Peng Wu , Xuerong Zhou , Guansong Pang , Lingru Zhou , Qingsen Yan , Peng Wang , Yanning Zhang

Few-normal shot anomaly detection (FNSAD) aims to detect abnormal regions in images using only a few normal training samples, making the task highly challenging due to limited supervision and the diversity of potential defects. Recent…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Morteza Poudineh , Marc Lalonde

Visual anomaly detection has been widely used in industrial inspection and medical diagnosis. Existing methods typically demand substantial training samples, limiting their utility in zero-/few-shot scenarios. While recent efforts have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Qingqing Fang , Wenxi Lv , Qinliang Su

Video anomaly detection (VAD) aims to identify unexpected events in videos and has wide applications in safety-critical domains. While semi-supervised methods trained on only normal samples have gained traction, they often suffer from high…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Zongcan Ding , Haodong Zhang , Peng Wu , Guansong Pang , Zhiwei Yang , Peng Wang , Yanning Zhang

Generative Zero-shot learning (ZSL) learns a generator to synthesize visual samples for unseen classes, which is an effective way to advance ZSL. However, existing generative methods rely on the conditions of Gaussian noise and the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Wenjin Hou , Shiming Chen , Shuhuang Chen , Ziming Hong , Yan Wang , Xuetao Feng , Salman Khan , Fahad Shahbaz Khan , Xinge You

Robust object recognition systems usually rely on powerful feature extraction mechanisms from a large number of real images. However, in many realistic applications, collecting sufficient images for ever-growing new classes is unattainable.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-05 Yang Long , Li Liu , Ling Shao , Fumin Shen , Guiguang Ding , Jungong Han

Few-shot anomaly detection (FSAD) methods identify anomalous regions with few known normal samples. Most existing methods rely on the generalization ability of pre-trained vision-language models (VLMs) to recognize potentially anomalous…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Yuanting Fan , Jun Liu , Xiaochen Chen , Bin-Bin Gao , Jian Li , Yong Liu , Jinlong Peng , Chengjie Wang

Video Anomaly Detection (VAD) finds widespread applications in security surveillance, traffic monitoring, industrial monitoring, and healthcare. Despite extensive research efforts, there remains a lack of concise reviews that provide…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Liyun Zhu , Lei Wang , Arjun Raj , Tom Gedeon , Chen Chen

Zero-shot learning (ZSL) aims to recognize unseen classes without visual instances. However, existing methods usually assume clean labels, overlooking real-world label noise and ambiguity, which degrades performance. To bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiangnan Li , Linqing Huang , Xiaowen Yan , Min Gan , Wenpeng Lu , Jinfu Fan

Logical image understanding involves interpreting and reasoning about the relationships and consistency within an image's visual content. This capability is essential in applications such as industrial inspection, where logical anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Er Jin , Qihui Feng , Yongli Mou , Stefan Decker , Gerhard Lakemeyer , Oliver Simons , Johannes Stegmaier

Weakly Supervised Monitoring Anomaly Detection (WSMAD) utilizes weak supervision learning to identify anomalies, a critical task for smart city monitoring. However, existing multimodal approaches often fail to meet the real-time and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Wen-Dong Jiang , Chih-Yung Chang , Hsiang-Chuan Chang , Ji-Yuan Chen , Diptendu Sinha Roy

In this paper, we aim to transfer CLIP's robust 2D generalization capabilities to identify 3D anomalies across unseen objects of highly diverse class semantics. To this end, we propose a unified framework to comprehensively detect and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Qihang Zhou , Shibo He , Jiangtao Yan , Wenchao Meng , Jiming Chen
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