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相关论文: Position-Guided Prompt Learning for Anomaly Detect…

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Universal visual anomaly detection aims to identify anomalies from novel or unseen vision domains without additional fine-tuning, which is critical in open scenarios. Recent studies have demonstrated that pre-trained vision-language models…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Bin-Bin Gao , Yue Zhou , Jiangtao Yan , Yuezhi Cai , Weixi Zhang , Meng Wang , Jun Liu , Yong Liu , Lei Wang , Chengjie Wang

Recently, vision-language models (e.g. CLIP) have demonstrated remarkable performance in zero-shot anomaly detection (ZSAD). By leveraging auxiliary data during training, these models can directly perform cross-category anomaly detection on…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Zhen Qu , Xian Tao , Xinyi Gong , Shichen Qu , Qiyu Chen , Zhengtao Zhang , Xingang Wang , Guiguang Ding

Zero-shot anomaly detection (ZSAD) aims to detect anomalies without any target domain training samples, relying solely on external auxiliary data. Existing CLIP-based methods attempt to activate the model's ZSAD potential via handcrafted or…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Ziteng Yang , Jingzehua Xu , Yanshu Li , Zepeng Li , Yeqiang Wang , Xinghui Li

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

Image enhancement is a significant research area in the fields of computer vision and image processing. In recent years, many learning-based methods for image enhancement have been developed, where the Look-up-table (LUT) has proven to be…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Weiwen Chen , Qiuhong Ke , Zinuo Li

We tackle the complex problem of detecting and recognising anomalies in surveillance videos at the frame level, utilising only video-level supervision. We introduce the novel method AnomalyCLIP, the first to combine Large Language and…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Luca Zanella , Benedetta Liberatori , Willi Menapace , Fabio Poiesi , Yiming Wang , Elisa Ricci

Pathology detection and delineation enables the automatic interpretation of medical scans such as chest X-rays while providing a high level of explainability to support radiologists in making informed decisions. However, annotating…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Philip Müller , Felix Meissen , Johannes Brandt , Georgios Kaissis , Daniel Rueckert

Modern deep learning implementations for medical imaging usually rely on large labeled datasets. These datasets are often difficult to obtain due to privacy concerns, high costs, and even scarcity of cases. In this paper, a label-efficient…

图像与视频处理 · 电气工程与系统科学 2025-07-11 Heet Nitinkumar Dalsania

Lung nodule malignancy prediction has been enhanced by advanced deep-learning techniques and effective tricks. Nevertheless, current methods are mainly trained with cross-entropy loss using one-hot categorical labels, which results in…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Yiming Lei , Zilong Li , Yan Shen , Junping Zhang , Hongming Shan

In recent years, anomaly detection has become an essential field in medical image analysis. Most current anomaly detection methods for medical images are based on image reconstruction. In this work, we propose a novel anomaly detection…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Florentin Bieder , Julia Wolleb , Robin Sandkühler , Philippe C. Cattin

Motivated by the strong performance of CLIP-based models in natural image-text domains, recent efforts have adapted these architectures to medical tasks, particularly in radiology, where large paired datasets of images and reports, such as…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Théo Sourget , David Restrepo , Céline Hudelot , Enzo Ferrante , Stergios Christodoulidis , Maria Vakalopoulou

This paper presents a simple and effective visual prompting method for adapting pre-trained models to downstream recognition tasks. Our method includes two key designs. First, rather than directly adding together the prompt and the image,…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Junyang Wu , Xianhang Li , Chen Wei , Huiyu Wang , Alan Yuille , Yuyin Zhou , Cihang Xie

Contrastive Language-Image Pre-training (CLIP), a simple yet effective pre-training paradigm, successfully introduces text supervision to vision models. It has shown promising results across various tasks due to its generalizability and…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Zihao Zhao , Yuxiao Liu , Han Wu , Mei Wang , Yonghao Li , Sheng Wang , Lin Teng , Disheng Liu , Zhiming Cui , Qian Wang , Dinggang Shen

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…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Jiyul Ham , Yonggon Jung , Jun-Geol Baek

Anomaly detection is the problem of recognizing abnormal inputs based on the seen examples of normal data. Despite recent advances of deep learning in recognizing image anomalies, these methods still prove incapable of handling complex…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Nina Shvetsova , Bart Bakker , Irina Fedulova , Heinrich Schulz , Dmitry V. Dylov

Being one of the most common diagnostic imaging tests, chest radiography requires timely reporting of potential findings in the images. In this paper, we propose an end-to-end architecture for abnormal chest X-ray identification using…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Yuxing Tang , Youbao Tang , Mei Han , Jing Xiao , Ronald M. Summers

The vision-language model has brought great improvement to few-shot industrial anomaly detection, which usually needs to design of hundreds of prompts through prompt engineering. For automated scenarios, we first use conventional prompt…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Xiaofan Li , Zhizhong Zhang , Xin Tan , Chengwei Chen , Yanyun Qu , Yuan Xie , Lizhuang Ma

This paper presents a language-powered paradigm for ordinal regression. Existing methods usually treat each rank as a category and employ a set of weights to learn these concepts. These methods are easy to overfit and usually attain…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Wanhua Li , Xiaoke Huang , Zheng Zhu , Yansong Tang , Xiu Li , Jie Zhou , Jiwen Lu

CLIP and BiomedCLIP are examples of vision-language foundation models and offer strong cross-modal embeddings; however, they are not optimized for fine-grained medical retrieval tasks, such as retrieving clinically relevant radiology…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Zhaohui Liang , Sivaramakrishnan Rajaraman , Niccolo Marini , Zhiyun Xue , Sameer Antani

We address the problem of anomaly detection, that is, detecting anomalous events in a video sequence. Anomaly detection methods based on convolutional neural networks (CNNs) typically leverage proxy tasks, such as reconstructing input video…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Hyunjong Park , Jongyoun Noh , Bumsub Ham