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Related papers: High-Fidelity Zero-Shot Texture Anomaly Localizati…

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Zero-shot anomaly localization is a rising field in computer vision research, with important progress in recent years. This work focuses on the problem of detecting and localizing anomalies in textures, where anomalies can be defined as the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Andrei-Timotei Ardelean , Patrick Rückbeil , Tim Weyrich

Zero-shot anomaly detection (ZSAD) methods entail detecting anomalies directly without access to any known normal or abnormal samples within the target item categories. Existing approaches typically rely on the robust generalization…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhaopeng Gu , Bingke Zhu , Guibo Zhu , Yingying Chen , Hao Li , Ming Tang , Jinqiao Wang

Detecting object-level changes between two images across possibly different views is a core task in many applications that involve visual inspection or camera surveillance. Existing change-detection approaches suffer from three major…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Hung Huy Nguyen , Pooyan Rahmanzadehgervi , Long Mai , Anh Totti Nguyen

Location-aware applications play an increasingly critical role in everyday life. However, satellite-based localization (e.g., GPS) has limited accuracy and can be unusable in dense urban areas and indoors. We introduce an image-based global…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Linguang Zhang , Adam Finkelstein , Szymon Rusinkiewicz

Texture surface anomaly detection finds widespread applications in industrial settings. However, existing methods often necessitate gathering numerous samples for model training. Moreover, they predominantly operate within a close-set…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Haiming Yao , Wei Luo , Yunkang Cao , Yiheng Zhang , Wenyong Yu , Weiming Shen

In the realm of diverse high-dimensional data, images play a significant role across various processes of manufacturing systems where efficient image anomaly detection has emerged as a core technology of utmost importance. However, when…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Ji Song , Xing Wang , Jianguo Wu , Xiaowei Yue

3D anomaly detection and localization is of great significance for industrial inspection. Prior 3D anomaly detection and localization methods focus on the setting that the testing data share the same category as the training data which is…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Yizhou Wang , Kuan-Chuan Peng , Yun Fu

Anomaly detection, the task of identifying unusual samples in data, often relies on a large set of training samples. In this work, we consider the setting of few-shot anomaly detection in images, where only a few images are given at…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Shelly Sheynin , Sagie Benaim , Lior Wolf

Anomaly detection in images is typically addressed by learning from collections of training data or relying on reference samples. In many real-world scenarios, however, such training data may be unavailable, and only the test image itself…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Mehrdad Moradi , Shengzhe Chen , Hao Yan , Kamran Paynabar

Anomaly detection identifies departures from expected behavior in safety-critical settings. When target-domain normal data are unavailable, zero-shot anomaly detection (ZSAD) leverages vision-language models (VLMs). However, CLIP's coarse…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Alireza Salehi , Ehsan Karami , Sepehr Noey , Sahand Noey , Makoto Yamada , Reshad Hosseini , Mohammad Sabokrou

Zero-shot anomaly classification and segmentation (AC/AS) aim to detect anomalous samples and regions without any training data, a capability increasingly crucial in industrial inspection and medical imaging. This dissertation aims to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Tai Le-Gia

Anomaly detection and localization in images is a growing field in computer vision. In this area, a seemingly understudied problem is anomaly clustering, i.e., identifying and grouping different types of anomalies in a fully unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Andrei-Timotei Ardelean , Tim Weyrich

Video anomalies often depend on contextual information available and temporal evolution. Non-anomalous action in one context can be anomalous in some other context. Most anomaly detectors, however, do not notice this type of context, which…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yousuf Ahmed Siddiqui , Sufiyaan Usmani , Umer Tariq , Jawwad Ahmed Shamsi , Muhammad Burhan Khan

Anomaly detection has gained considerable attention due to its broad range of applications, particularly in industrial defect detection. To address the challenges of data collection, researchers have introduced zero-/few-shot anomaly…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Chaoqin Huang , Aofan Jiang , Ya Zhang , Yanfeng Wang

We consider the problem of localizing relevant subsets of non-rigid geometric shapes given only a partial 3D query as the input. Such problems arise in several challenging tasks in 3D vision and graphics, including partial shape similarity,…

Computational Geometry · Computer Science 2019-06-17 Arianna Rampini , Irene Tallini , Maks Ovsjanikov , Alex M. Bronstein , Emanuele Rodolà

The essence of unsupervised anomaly detection is to learn the compact distribution of normal samples and detect outliers as anomalies in testing. Meanwhile, the anomalies in real-world are usually subtle and fine-grained in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Ye Zheng , Xiang Wang , Rui Deng , Tianpeng Bao , Rui Zhao , Liwei Wu

This technical report outlines our submission to the zero-shot track of the Visual Anomaly and Novelty Detection (VAND) 2023 Challenge. Building on the performance of the WINCLIP framework, we aim to enhance the system's localization…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Matthew Baugh , James Batten , Johanna P. Müller , Bernhard Kainz

Anomaly detection methods typically require extensive normal samples from the target class for training, limiting their applicability in scenarios that require rapid adaptation, such as cold start. Zero-shot and few-shot anomaly detection…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhaopeng Gu , Bingke Zhu , Guibo Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

We present a novel method for image anomaly detection, where algorithms that use samples drawn from some distribution of "normal" data, aim to detect out-of-distribution (abnormal) samples. Our approach includes a combination of encoder and…

Image and Video Processing · Electrical Eng. & Systems 2020-03-02 Nina Tuluptceva , Bart Bakker , Irina Fedulova , Anton Konushin

Change detection in heterogeneous multitemporal satellite images is an emerging and challenging topic in remote sensing. In particular, one of the main challenges is to tackle the problem in an unsupervised manner. In this paper we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Luigi T. Luppino , Filippo M. Bianchi , Gabriele Moser , Stian N. Anfinsen
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