English
Related papers

Related papers: ABounD: Adversarial Boundary-Driven Few-Shot Learn…

200 papers

Few-shot learning focuses on learning a new visual concept with very limited labelled examples. A successful approach to tackle this problem is to compare the similarity between examples in a learned metric space based on convolutional…

Machine Learning · Computer Science 2024-02-06 Heda Song , Mercedes Torres Torres , Ender Özcan , Isaac Triguero

Visual Anomaly Detection (VAD) aims to identify abnormal samples in images that deviate from normal patterns, covering multiple domains, including industrial, logical, and medical fields. Due to the domain gaps between these fields,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Zhaopeng Gu , Bingke Zhu , Guibo Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

Existing approaches towards anomaly detection~(AD) often rely on a substantial amount of anomaly-free data to train representation and density models. However, large anomaly-free datasets may not always be available before the inference…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jingyi Liao , Xun Xu , Manh Cuong Nguyen , Adam Goodge , Chuan Sheng Foo

Anomaly detection is a critical and challenging task that aims to identify data points deviating from normal patterns and distributions within a dataset. Various methods have been proposed using a one-class-one-model approach, but these…

Machine Learning · Computer Science 2023-12-07 Jae Young Lee , Wonjun Lee , Jaehyun Choi , Yongkwi Lee , Young Seog Yoon

Object detection has achieved substantial progress in the last decade. However, detecting novel classes with only few samples remains challenging, since deep learning under low data regime usually leads to a degraded feature space. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Yuhang Cao , Jiaqi Wang , Ying Jin , Tong Wu , Kai Chen , Ziwei Liu , Dahua Lin

Recent studies highlighted a practical setting of unsupervised anomaly detection (UAD) that builds a unified model for multi-class images. Despite various advancements addressing this challenging task, the detection performance under the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Jia Guo , Shuai Lu , Weihang Zhang , Fang Chen , Huiqi Li , Hongen Liao

Anomaly inspection plays an important role in industrial manufacture. Existing anomaly inspection methods are limited in their performance due to insufficient anomaly data. Although anomaly generation methods have been proposed to augment…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Teng Hu , Jiangning Zhang , Ran Yi , Yuzhen Du , Xu Chen , Liang Liu , Yabiao Wang , Chengjie Wang

Video anomaly detection aims to identify abnormal events that occurred in videos. Since anomalous events are relatively rare, it is not feasible to collect a balanced dataset and train a binary classifier to solve the task. Thus, most…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Guangyu Sun , Zhang Liu , Lianggong Wen , Jing Shi , Chenliang Xu

This study explores the recently proposed and challenging multi-view Anomaly Detection (AD) task. Single-view tasks will encounter blind spots from other perspectives, resulting in inaccuracies in sample-level prediction. Therefore, we…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Haoyang He , Jiangning Zhang , Guanzhong Tian , Chengjie Wang , Lei Xie

Most existing anomaly detection (AD) methods require a dedicated model for each category. Such a paradigm, despite its promising results, is computationally expensive and inefficient, thereby failing to meet the requirements for realworld…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Chaoqin Huang , Haoyan Guan , Aofan Jiang , Ya Zhang , Michael Spratling , Xinchao Wang , Yanfeng Wang

Despite the rapid advance of unsupervised anomaly detection, existing methods require to train separate models for different objects. In this work, we present UniAD that accomplishes anomaly detection for multiple classes with a unified…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhiyuan You , Lei Cui , Yujun Shen , Kai Yang , Xin Lu , Yu Zheng , Xinyi Le

Existing anomaly detection (AD) methods often treat the modality and class as independent factors. Although this paradigm has enriched the development of AD research branches and produced many specialized models, it has also led to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yuan Zhao , Youwei Pang , Lihe Zhang , Hanqi Liu , Jiaming Zuo , Huchuan Lu , Xiaoqi Zhao

Few-shot object detection (FSOD) has thrived in recent years to learn novel object classes with limited data by transferring knowledge gained on abundant base classes. FSOD approaches commonly assume that both the scarcely provided examples…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Karim Guirguis , George Eskandar , Matthias Kayser , Bin Yang , Juergen Beyerer

The objective of few-shot object detection (FSOD) is to detect novel objects with few training samples. The core challenge of this task is how to construct a generalized feature space for novel categories with limited data on the basis of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Ruoyu Chen , Hua Zhang , Jingzhi Li , Li Liu , Zhen Huang , Xiaochun Cao

This paper considers few-shot anomaly detection (FSAD), a practical yet under-studied setting for anomaly detection (AD), where only a limited number of normal images are provided for each category at training. So far, existing FSAD studies…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Chaoqin Huang , Haoyan Guan , Aofan Jiang , Ya Zhang , Michael Spratling , Yan-Feng Wang

Over the past few years, there has been a significant improvement in the domain of few-shot learning. This learning paradigm has shown promising results for the challenging problem of anomaly detection, where the general task is to deal…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Soumyajit Karmakar , Abeer Banerjee , Prashant Sadashiv Gidde , Sumeet Saurav , Sanjay Singh

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Pre-trained vision-language models have inspired much research on few-shot learning. However, with only a few training images, there exist two crucial problems: (1) the visual feature distributions are easily distracted by class-irrelevant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Runqi Wang , Hao Zheng , Xiaoyue Duan , Jianzhuang Liu , Yuning Lu , Tian Wang , Songcen Xu , Baochang Zhang

Few-shot learning problem focuses on recognizing unseen classes given a few labeled images. In recent effort, more attention is paid to fine-grained feature embedding, ignoring the relationship among different distance metrics. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Jinxiang Lai , Siqian Yang , Guannan Jiang , Xi Wang , Yuxi Li , Zihui Jia , Xiaochen Chen , Jun Liu , Bin-Bin Gao , Wei Zhang , Yuan Xie , Chengjie Wang

Efficient transfer learning methods for large-scale vision-language models ($e.g.$, CLIP) enable strong few-shot transfer, yet existing adaptation methods follow a fixed fine-tuning paradigm that implicitly assumes a uniform importance of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Yiyun Zhou , Zhonghua Jiang , Wenkang Han , Kunxi Li , Mingjing Xu , Chang Yao , Jingyuan Chen