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In the remote sensing (RS) field, hyperspectral imagery provides rich spectral information and facilitates numerous critical applications, such as material identification. Among these applications, hyperspectral anomaly detection (HAD) aims…

图像与视频处理 · 电气工程与系统科学 2026-05-07 Chia-Hsiang Lin , Si-Sheng Young , Reza Langari

Graph anomaly detection (GAD) has garnered increasing attention in recent years, yet remains challenging due to two key factors: (1) label scarcity stemming from the high cost of annotations and (2) homophily disparity at node and class…

机器学习 · 计算机科学 2026-01-30 Yunhui Liu , Jiashun Cheng , Yiqing Lin , Qizhuo Xie , Jia Li , Fugee Tsung , Hongzhi Yin , Tao Zheng , Jianhua Zhao , Tieke He

Chest X-ray (CXR) is the most typical radiological exam for diagnosis of various diseases. Due to the expensive and time-consuming annotations, detecting anomalies in CXRs in an unsupervised fashion is very promising. However, almost all of…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Yu Cai , Hao Chen , Xin Yang , Yu Zhou , Kwang-Ting Cheng

This paper is on Few-Shot Object Detection (FSOD), where given a few templates (examples) depicting a novel class (not seen during training), the goal is to detect all of its occurrences within a set of images. From a practical perspective,…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Adrian Bulat , Ricardo Guerrero , Brais Martinez , Georgios Tzimiropoulos

Few-shot object detection (FSOD) aims to classify and detect few images of novel categories. Existing meta-learning methods insufficiently exploit features between support and query images owing to structural limitations. We propose a…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Dongwoo Park , Jong-Min Lee

Anomaly detection from a single image is challenging since anomaly data is always rare and can be with highly unpredictable types. With only anomaly-free data available, most existing methods train an AutoEncoder to reconstruct the input…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Yunfei Liu , Chaoqun Zhuang , Feng Lu

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…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Karim Guirguis , George Eskandar , Matthias Kayser , Bin Yang , Juergen Beyerer

Few-shot object detection (FSOD), an efficient method for addressing the severe data-hungry problem, has been extensively discussed. Current works have significantly advanced the problem in terms of model and data. However, the overall…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Zeyu Shangguan , Lian Huai , Tong Liu , Xingqun Jiang

Far-field optical imaging inevitably involves low-pass spatial filtering, limiting the resolution. Moreover, conventional imaging suppresses high spatial frequency components close to the cutoff, making them invisible under noise,…

量子物理 · 物理学 2026-05-08 Li Gong , Aonan Zhang , Madhura Ghosh Dastidar , Alexander Duplinskii , A. I. Lvovsky

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…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Morteza Poudineh , Marc Lalonde

Cross-Domain Few-shot Semantic Segmentation (CD-FSS) aims to train generalized models that can segment classes from different domains with a few labeled images. Previous works have proven the effectiveness of feature transformation in…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Jiayi Chen , Rong Quan , Jie Qin

Anomaly detection (AD) plays an important role in various real-world applications. Recent advancements in AD, however, are often biased towards industrial inspection, struggle to generalize to broader tasks like semantic anomaly detection…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Hangil Park , Yongmin Seo , Tae-Kyun Kim

While recent anomaly detection (AD) methods have made substantial progress in recognizing abnormal patterns within specific domains, most of them are specialist models that are trained on large training samples from a specific target…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Jiawen Zhu , Mengjia Niu , Guansong Pang

Explainable anomaly detection methods often have the capability to identify and spatially localise anomalies within an image but lack the capability to differentiate the type of anomaly. Furthermore, they often require the costly training…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Alex George , Lyudmila Mihaylova , Sean Anderson

Few-shot object detection (FSOD) aims to detect objects using only a few examples. How to adapt state-of-the-art object detectors to the few-shot domain remains challenging. Object proposal is a key ingredient in modern object detectors.…

计算机视觉与模式识别 · 计算机科学 2022-06-03 Guangxing Han , Shiyuan Huang , Jiawei Ma , Yicheng He , Shih-Fu Chang

Deep anomaly detection (AD) aims to provide robust and efficient classifiers for one-class and unbalanced settings. However current AD models still struggle on edge-case normal samples and are often unable to keep high performance over…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Loic Jezequel , Ngoc-Son Vu , Jean Beaudet , Aymeric Histace

Weakly-supervised object detection (WSOD) models attempt to leverage image-level annotations in lieu of accurate but costly-to-obtain object localization labels. This oftentimes leads to substandard object detection and localization at…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Yuting Wang , Ricardo Guerrero , Vladimir Pavlovic

Few-shot segmentation (FSS) aims to rapidly learn novel class concepts from limited examples to segment specific targets in unseen images, and has been widely applied in areas such as medical diagnosis and industrial inspection. However,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Qianyu Guo , Jingrong Wu , Jieji Ren , Weifeng Ge , Wenqiang Zhang

Recently anomaly detection (AD) has become an important application for target detection in hyperspectral remotely sensed images. In many applications, in addition to high accuracy of detection we need a fast and reliable algorithm as well.…

其他计算机科学 · 计算机科学 2012-01-11 Mohsen Zare Baghbidi , Kamal Jamshidi , Ahmad Reza Naghsh Nilchi , Saeid Homayouni

Developing an accurate and fast anomaly detection model is an important task in real-time computer vision applications. There has been much research to develop a single model that detects either structural or logical anomalies, which are…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Shota Sugawara , Ryuji Imamura