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相关论文: Hyperspectral Anomaly Detection with Self-Supervis…

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Anomaly detection is fundamental yet, challenging problem with practical applications in industry. The current approaches neglect the higher-order dependencies within the networks of interconnected sensors in the high-dimensional time…

机器学习 · 计算机科学 2024-08-22 Sakhinana Sagar Srinivas , Rajat Kumar Sarkar , Venkataramana Runkana

In this paper, we propose a generative adversarial network (GAN)-based hyperspectral anomaly detection algorithm. In the proposed algorithm, we train a GAN model to generate a synthetic background image which is close to the original…

图像与视频处理 · 电气工程与系统科学 2021-01-22 Sertac Arisoy , Nasser M. Nasrabadi , Koray Kayabol

With the hyperspectral imaging technology, hyperspectral data provides abundant spectral information and plays a more important role in geological survey, vegetation analysis and military reconnaissance. Different from normal change…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Meiqi Hu , Chen Wu , Liangpei Zhang , Bo Du

In hyperspectral, high-quality spectral signals convey subtle spectral differences to distinguish similar materials, thereby providing unique advantage for anomaly detection. Hence fine spectra of anomalous pixels can be effectively…

图像与视频处理 · 电气工程与系统科学 2022-02-25 Zengfu Hou , Siyuan Cheng , Ting Hu

Anomaly detection or more generally outliers detection is one of the most popular and challenging subject in theoretical and applied machine learning. The main challenge is that in general we have access to very few labeled data or no…

机器学习 · 计算机科学 2023-05-31 Mansour Zoubeirou A Mayaki , Michel Riveill

Graph-based semi-supervised learning methods, which deal well with the situation of limited labeled data, have shown dominant performance in practical applications. However, the high dimensionality of hyperspectral images (HSI) makes it…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Yanling Miao , Qi Wang , Mulin Chen , Xuelong Li

Sparse regression methods have been proven effective in a wide range of signal processing problems such as image compression, speech coding, channel equalization, linear regression and classification. In this paper a new convex method of…

最优化与控制 · 数学 2018-03-07 Victor Stefan Aldea

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

Hyperspectral Image (HSI)s cover hundreds or thousands of narrow spectral bands, conveying a wealth of spatial and spectral information. However, due to the instrumental errors and the atmospheric changes, the HSI obtained in practice are…

图像与视频处理 · 电气工程与系统科学 2023-07-24 Shuo Li , Mehrdad Yaghoobi

Detecting anomalies in musculoskeletal radiographs is of paramount importance for large-scale screening in the radiology workflow. Supervised deep networks take for granted a large number of annotations by radiologists, which is often…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Antoine Spahr , Behzad Bozorgtabar , Jean-Philippe Thiran

The surge of deep learning has catalyzed considerable progress in self-supervised Hyperspectral Anomaly Detection (HAD). The core premise for self-supervised HAD is that anomalous pixels are inherently more challenging to reconstruct,…

图像与视频处理 · 电气工程与系统科学 2025-04-08 Yongchuan Cui , Jinhe Zhang , Peng Liu , Weijing Song , Yi Zeng

Anomaly detection on the attributed network has recently received increasing attention in many research fields, such as cybernetic anomaly detection and financial fraud detection. With the wide application of deep learning on graph…

社会与信息网络 · 计算机科学 2022-09-13 Yuanjun Shi

Hyperspectral image (HSI) classification, which aims to assign an accurate label for hyperspectral pixels, has drawn great interest in recent years. Although low rank representation (LRR) has been used to classify HSI, its ability to…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Qi Wang , Xiange He , Xuelong Li

This paper presents a new supervised classification algorithm for remotely sensed hyperspectral image (HSI) which integrates spectral and spatial information in a unified Bayesian framework. First, we formulate the HSI classification…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Xiangyong Cao , Feng Zhou , Lin Xu , Deyu Meng , Zongben Xu , John Paisley

Hyperspectral anomaly detection (HAD) involves identifying the targets that deviate spectrally from their surroundings, without prior knowledge. Recently, deep learning based methods have become the mainstream HAD methods, due to their…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Jingtao Li , Xinyu Wang , Shaoyu Wang , Hengwei Zhao , Liangpei Zhang , Yanfei Zhong

A recent class of hyperspectral anomaly detection methods can be trained once on background datasets and then deployed universally without per-scene retraining or parameter tuning, showing strong efficiency and robustness. Building upon…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Wenping Jin , Li Zhu , Fei Guo

Hyperspectral images (HSI) contain a wealth of information over hundreds of contiguous spectral bands, making it possible to classify materials through subtle spectral discrepancies. However, the classification of this rich spectral…

机器学习 · 计算机科学 2018-12-07 Ramanarayan Mohanty , SL Happy , Aurobinda Routray

Unsupervised anomaly detection aims to build models to effectively detect unseen anomalies by only training on the normal data. Although previous reconstruction-based methods have made fruitful progress, their generalization ability is…

机器学习 · 计算机科学 2022-01-04 Yuxin Zhang , Jindong Wang , Yiqiang Chen , Han Yu , Tao Qin

In this work, a novel target detector for hyperspectral imagery is developed. The detector is independent on the unknown covariance matrix, behaves well in large dimensions, distributional free, invariant to atmospheric effects, and does…

图像与视频处理 · 电气工程与系统科学 2020-03-06 Ahmad W. Bitar , Jean-Philippe Ovarlez , Loong-Fah Cheong , Ali Chehab

Given a target prior information, our goal is to propose a method for automatically separating targets of interests from the background in hyperspectral imagery. More precisely, we regard the given hyperspectral image (HSI) as being made up…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Ahmad W. Bitar , Loong-Fah Cheong , Jean-Philippe Ovarlez