中文
相关论文

相关论文: Unsupervised Classification in Hyperspectral Image…

200 篇论文

Graphs with heterophily, where adjacent nodes carry different labels, are prevalent in real-world applications, from social networks to molecular interactions. However, existing spectral Graph Neural Network (GNN) approaches tailored for…

机器学习 · 计算机科学 2026-05-13 Md Sazzad Hossen , Avimanyu Sahoo

In this paper, we propose a novel approach to hyperspectral image super-resolution by modeling the global spatial-and-spectral correlation and local smoothness properties over hyperspectral images. Specifically, we utilize the tensor…

计算机视觉与模式识别 · 计算机科学 2016-01-26 Shiying He , Haiwei Zhou , Yao Wang , Wenfei Cao , Zhi Han

This article proposes a novel regularization method, named Geometric Spatio-Spectral Total Variation (GeoSSTV), for hyperspectral (HS) image denoising and destriping. HS images are inevitably affected by various types of noise due to the…

信号处理 · 电气工程与系统科学 2025-10-02 Shingo Takemoto , Shunsuke Ono

Self-supervised learning has gradually emerged as a powerful technique for graph representation learning. However, transferable, generalizable, and robust representation learning on graph data still remains a challenge for pre-training…

机器学习 · 计算机科学 2021-12-13 Pengyong Li , Jun Wang , Ziliang Li , Yixuan Qiao , Xianggen Liu , Fei Ma , Peng Gao , Seng Song , Guotong Xie

Subspace clustering has become widely adopted for the unsupervised analysis of hyperspectral images (HSIs). Recent model-aware deep subspace clustering methods often use a two-stage framework, involving the calculation of a…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Nikos Deligiannis , Aleksandra Pižurica

In recent years, semi-supervised multi-view nonnegative matrix factorization (MVNMF) algorithms have achieved promising performances for multi-view clustering. While most of semi-supervised MVNMFs have failed to effectively consider…

机器学习 · 计算机科学 2020-10-27 Guosheng Cui , Ruxin Wang , Dan Wu , Ye Li

In this paper, we address the hyperspectral image (HSI) classification task with a generative adversarial network and conditional random field (GAN-CRF) -based framework, which integrates a semi-supervised deep learning and a probabilistic…

图像与视频处理 · 电气工程与系统科学 2019-05-14 Zilong Zhong , Jonathan Li , David A. Clausi , Alexander Wong

Most existing graph-based semi-supervised hyperspectral image classification methods rely on superpixel partitioning techniques. However, they suffer from misclassification of certain pixels due to inaccuracies in superpixel boundaries,…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Yuqing Zhang , Qi Han , Ligeng Wang , Kai Cheng , Bo Wang , Kun Zhan

The goal of image oversegmentation is to divide an image into several pieces, each of which should ideally be part of an object. One of the simplest and yet most effective oversegmentation algorithms is known as local variation (LV)…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Michael Baltaxe , Peter Meer , Michael Lindenbaum

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

Hyperspectral image (HSI) classification aims to categorize each pixel in an HSI into a specific land cover class, which is crucial for applications such as remote sensing, environmental monitoring, and agriculture. Although deep…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Li Pang , Jing Yao , Kaiyu Li , Jun Zhou , Deyu Meng , Xiangyong Cao

We propose a Classification Via Clustering (CVC) algorithm which enables existing clustering methods to be efficiently employed in classification problems. In CVC, training and test data are co-clustered and class-cluster distributions are…

计算机视觉与模式识别 · 计算机科学 2014-09-29 Arif Mahmood , Ajmal S. Mian

Dimensionality reduction is an important preprocessing step of the hyperspectral images classification (HSI), it is inevitable task. Some methods use feature selection or extraction algorithms based on spectral and spatial information. In…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch

Mining structural priors in data is a widely recognized technique for hyperspectral image (HSI) denoising tasks, whose typical ways include model-based methods and data-based methods. The model-based methods have good generalization…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Jiangjun Peng , Hailin Wang , Xiangyong Cao , Xinlin Liu , Xiangyu Rui , Deyu Meng

Hyperspectral image (HSI) deconvolution is a challenging ill-posed inverse problem, made difficult by the data's high dimensionality.We propose a parameter-parsimonious framework based on a low-rank Canonical Polyadic Decomposition (CPD) of…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Xinjue Wang , Xiuheng Wang , Esa Ollila , Sergiy A. Vorobyov

The blind fusion of unregistered hyperspectral images (HSIs) and multispectral images (MSIs) has attracted growing attention recently. To address the registration challenge, most existing methods employ spatial transformations on the HSI to…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Kunjing Yang , Libin Zheng , Minru Bai , Ting Lu , Leyuan Fang

Conventional model-based image denoising optimizations employ convex regularization terms, such as total variation (TV) that convexifies the $\ell_0$-norm to promote sparse signal representation. Instead, we propose a new non-convex total…

图像与视频处理 · 电气工程与系统科学 2025-06-04 Songlin Wei , Gene Cheung , Fei Chen , Ivan Selesnick

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

Sparsity exploiting image reconstruction (SER) methods have been extensively used with Total Variation (TV) regularization for tomographic reconstructions. Local TV methods fail to preserve texture details and often create additional…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Faisal Mahmood , Nauman Shahid , Ulf Skoglund , Pierre Vandergheynst

Classification of gigapixel Whole Slide Images (WSIs) is an important prediction task in the emerging area of computational pathology. There has been a surge of research in deep learning models for WSI classification with clinical…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Sajid Javed , Arif Mahmood , Talha Qaiser , Naoufel Werghi , Nasir Rajpoot