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Zero-Shot Anomaly Detection (ZSAD) leverages Vision-Language Models (VLMs) to enable supervision-free industrial inspection. However, existing ZSAD paradigms are constrained by single visual backbones, which struggle to balance global…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Chenhao Fu , Han Fang , Xiuzheng Zheng , Wenbo Wei , Yonghua Li , Hao Sun , Xuelong Li

Unsupervised image segmentation is a critical task in computer vision. It enables dense scene understanding without human annotations, which is especially valuable in domains where labelled data is scarce. However, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Boujemaa Guermazi , Riadh Ksantini , Naimul Khan

Visual anomaly detection is commonly used in industrial quality inspection. In this paper, we present a new dataset as well as a new self-supervised learning method for ImageNet pre-training to improve anomaly detection and segmentation in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Yang Zou , Jongheon Jeong , Latha Pemula , Dongqing Zhang , Onkar Dabeer

Industrial image anomaly detection under the setting of one-class classification has significant practical value. However, most existing models struggle to extract separable feature representations when performing feature embedding and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Minghui Yang , Jing Liu , Zhiwei Yang , Zhaoyang Wu

Weakly supervised landslide extraction aims to identify landslide regions from remote sensing data using models trained with weak labels, particularly image-level labels. However, it is often challenged by the imprecise boundaries of the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Jian Wang , Xiaokang Zhang , Xianping Ma , Weikang Yu , Pedram Ghamisi

In this work, we present a fully self-supervised framework for semantic segmentation(FS^4). A fully bootstrapped strategy for semantic segmentation, which saves efforts for the huge amount of annotation, is crucial for building customized…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Yuan Wang , Wei Zhuo , Yucong Li , Zhi Wang , Qi Ju , Wenwu Zhu

Large pre-trained vision language models (VLMs) have shown impressive zero-shot ability on downstream tasks with manually designed prompt. To further adapt VLMs to downstream tasks, soft prompt is proposed to replace manually designed…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Shuanghao Bai , Yuedi Zhang , Wanqi Zhou , Zhirong Luan , Badong Chen

Semantic segmentation methods can not directly identify abnormal objects in images. Anomaly Segmentation algorithm from this realistic setting can distinguish between in-distribution objects and Out-Of-Distribution (OOD) objects and output…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Yiqing Hao , Yi Jin , Gaoyun An

We present a novel framework, i.e., Segment Any Anomaly + (SAA+), for zero-shot anomaly segmentation with hybrid prompt regularization to improve the adaptability of modern foundation models. Existing anomaly segmentation models typically…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yunkang Cao , Xiaohao Xu , Chen Sun , Yuqi Cheng , Zongwei Du , Liang Gao , Weiming Shen

Unsupervised anomaly detection is a challenging task in industrial applications since it is impracticable to collect sufficient anomalous samples. In this paper, a novel Self-Supervised Guided Segmentation Framework (SGSF) is proposed by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Peng Xing , Yanpeng Sun , Zechao Li

Despite considerable progress, the advancement of Panoptic Narrative Grounding (PNG) remains hindered by costly annotations. In this paper, we introduce a novel Semi-Supervised Panoptic Narrative Grounding (SS-PNG) learning scheme,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Danni Yang , Jiayi Ji , Xiaoshuai Sun , Haowei Wang , Yinan Li , Yiwei Ma , Rongrong Ji

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Zero-shot anomaly detection (ZSAD) is crucial for detecting anomalous patterns in target datasets without using training samples, specifically in scenarios where there are distributional differences between the target domain and training…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jiyul Ham , Yonggon Jung , Jun-Geol Baek

Sparse Autoencoders (SAEs) extract interpretable features from Large Language Models, but standard variants enforce non-negativity, forcing separate latents for diametrically opposed concepts (e.g., "pressure too high" vs. "pressure too…

We propose a new method for autonomous navigation in uneven terrains by utilizing a sparse Gaussian Process (SGP) based local perception model. The SGP local perception model is trained on local ranging observation (pointcloud) to learn the…

Robotics · Computer Science 2024-02-22 Hassan Jardali , Mahmoud Ali , Lantao Liu

The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

Image and Video Processing · Electrical Eng. & Systems 2024-05-13 Zihang Liu , Chunhui Zhao

Semantic segmentation is essential for automating remote sensing analysis in fields like ecology. However, fine-grained analysis of complex aerial or underwater imagery remains an open challenge, even for state-of-the-art models. Progress…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Cesar Borja , Carlos Plou , Ruben Martinez-Cantin , Ana C. Murillo

The realm of computer vision has witnessed a paradigm shift with the advent of foundational models, mirroring the transformative influence of large language models in the domain of natural language processing. This paper delves into the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Lv Tang , Peng-Tao Jiang , Hao-Ke Xiao , Bo Li

The Segment Anything Model (SAM) has demonstrated strong and versatile segmentation capabilities, along with intuitive prompt-based interactions. However, customizing SAM for medical image segmentation requires massive amounts of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Zhonghao Yan , Zijin Yin , Tianyu Lin , Xiangzhu Zeng , Kongming Liang , Zhanyu Ma

Vision-language models (VLMs) have advanced rapidly and are increasingly deployed in real-world applications, especially with the rise of agent-based systems. However, their safety has received relatively limited attention. Even the latest…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Hao Wang , Yiqun Sun , Pengfei Wei , Lawrence B. Hsieh , Daisuke Kawahara