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Deep learning methods have shown considerable potential for hyperspectral image (HSI) classification, which can achieve high accuracy compared with traditional methods. However, they often need a large number of training samples and have a…

图像与视频处理 · 电气工程与系统科学 2020-10-16 Benlei Cui , XueMei Dong , Qiaoqiao Zhan , Jiangtao Peng , Weiwei Sun

Hyperspectral image (HSI) classification is challenging due to spatial variability caused by complex imaging conditions. Prior methods suffer from limited representation ability, as they train specially designed networks from scratch on…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Di Wang , Jing Zhang , Bo Du , Liangpei Zhang , Dacheng Tao

Hyperspectral unmixing (HSU) aims to separate each pixel into its constituent endmembers and estimate their corresponding abundance fractions. This work presents an algorithm-unrolling-based network for the HSU task, named the 3D…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Gargi Panda , Soumitra Kundu , Saumik Bhattacharya , Aurobinda Routray

Traditional hyperspectral unmixing methods neglect the underlying variability of spectral signatures often observed in typical hyperspectral images (HI), propagating these missmodeling errors throughout the whole unmixing process. Attempts…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Tales Imbiriba , Ricardo Augusto Borsoi , José Carlos Moreira Bermudez

Hyperspectral image (HSI) denoising is a crucial step in enhancing the quality of HSIs. Noise modeling methods can fit noise distributions to generate synthetic HSIs to train denoising networks. However, the noise in captured HSIs is…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Yingkai Zhang , Tao Zhang , Jing Nie , Ying Fu

Channel estimation has long been deemed as one of the most critical problems in three-dimensional (3D) massive multiple-input multiple-output (MIMO), which is recognized as the leading technology that enables 3D spatial signal processing in…

信号处理 · 电气工程与系统科学 2021-04-21 Lei Cheng , Qingjiang Shi

Because hyperspectral remote sensing images contain a lot of redundant information and the data structure is highly non-linear, leading to low classification accuracy of traditional machine learning methods. The latest research shows that…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Xiangdong Zhang , Tengjun Wang , Yun Yang

This paper proposes a subspace decomposition method based on an over-complete dictionary in sparse representation, called "Sparse Signal Subspace Decomposition" (or 3SD) method. This method makes use of a novel criterion based on the…

机器学习 · 统计学 2016-10-28 Hong Sun , Chengwei Sang , Didier Le Ruyet

Sparse model is widely used in hyperspectral image classification.However, different of sparsity and regularization parameters has great influence on the classification results.In this paper, a novel adaptive sparse deep network based on…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Jingwen Yan , Zixin Xie , Jingyao Chen , Yinan Liu , Lei Liu

Medical Hyperspectral Imaging (MHSI) has emerged as a promising tool for enhanced disease diagnosis, particularly in computational pathology, offering rich spectral information that aids in identifying subtle biochemical properties of…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Qing Zhang , Guoquan Pei , Yan Wang

The graph embedding (GE) methods have been widely applied for dimensionality reduction of hyperspectral imagery (HSI). However, a major challenge of GE is how to choose proper neighbors for graph construction and explore the spatial…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Hong Huang , Guangyao Shi , Haibo He , Yule Duan , Fulin Luo

Deep learning has revolutionized the field of hyperspectral image (HSI) analysis, enabling the extraction of complex spectral and spatial features. While convolutional neural networks (CNNs) have been the backbone of HSI classification,…

Hyperspectral images (HSIs) can distinguish materials with high number of spectral bands, which is widely adopted in remote sensing applications and benefits in high accuracy land cover classifications. However, HSIs processing are tangled…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Ringo S. W. Chu , Ho-Cheung Ng , Xiwei Wang , Wayne Luk

In this work we propose a method for optimizing the lossy compression for a network of diverse reconstruction systems. We focus on adapting a standard image compression method to a set of candidate displays, presenting the decompressed…

多媒体 · 计算机科学 2018-02-13 Yehuda Dar , Michael Elad , Alfred M. Bruckstein

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

Over the past decade, hyperspectral image (HSI) classification has drawn considerable interest due to HSIs' ability to effectively distinguish terrestrial objects by capturing detailed, continuous spectral information. The strong…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Mohammed Q. Alkhatib , Ali Jamali

Hyperspectral pansharpening consists of fusing a high-resolution panchromatic band and a low-resolution hyperspectral image to obtain a new image with high resolution in both the spatial and spectral domains. These remote sensing products…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Matteo Ciotola , Giuseppe Guarino , Gemine Vivone , Giovanni Poggi , Jocelyn Chanussot , Antonio Plaza , Giuseppe Scarpa

A method for active learning of hyperspectral images (HSI) is proposed, which combines deep learning with diffusion processes on graphs. A deep variational autoencoder extracts smoothed, denoised features from a high-dimensional HSI, which…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Abiy Tasissa , Duc Nguyen , James Murphy

Total variation (TV) denoising is a nonparametric smoothing method that has good properties for preserving sharp edges and contours in objects with spatial structures like natural images. The estimate is sparse in the sense that TV…

统计方法学 · 统计学 2016-05-06 Sylvain Sardy , Hatef Monajemi

Deep Learning could drastically boost the classification accuracy for Hyperspectral Imaging (HSI). Still, the training on the mostly small hyperspectral data sets is not trivial. Two key challenges are the large channel dimension of the…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Leon Amadeus Varga , Martin Messmer , Nuri Benbarka , Andreas Zell