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Deep neural networks face several challenges in hyperspectral image classification, including high-dimensional data, sparse distribution of ground objects, and spectral redundancy, which often lead to classification overfitting and limited…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Guandong Li , Mengxia Ye

An unsupervised learning algorithm to cluster hyperspectral image (HSI) data is proposed that exploits spatially-regularized random walks. Markov diffusions are defined on the space of HSI spectra with transitions constrained to near…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 James M. Murphy , Mauro Maggioni

Hyperspectral imaging (HSI) is an advanced sensing modality that simultaneously captures spatial and spectral information, enabling non-invasive, label-free analysis of material, chemical, and biological properties. This Primer presents a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Danfeng Hong , Chenyu Li , Naoto Yokoya , Bing Zhang , Xiuping Jia , Antonio Plaza , Paolo Gamba , Jon Atli Benediktsson , Jocelyn Chanussot

Multi-source data classification is a critical yet challenging task for remote sensing image interpretation. Existing methods lack adaptability to diverse land cover types when modeling frequency domain features. To this end, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Yikang Zhao , Feng Gao , Xuepeng Jin , Junyu Dong , Qian Du

The dissection of hyperspectral images into intrinsic components through hyperspectral intrinsic image decomposition (HIID) enhances the interpretability of hyperspectral data, providing a foundation for more accurate classification…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Zhiqiang Gong , Xian Zhou , Wen Yao , Xiaohu Zheng , Ping Zhong

Hyperspectral image reconstruction from a compressed measurement is a highly ill-posed inverse problem. Current data-driven methods suffer from hallucination due to the lack of spectral diversity in existing hyperspectral image datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Juan Romero , Qiang Fu , Matteo Ravasi , Wolfgang Heidrich

Hyperspectral image change detection (HSI-CD) has emerged as a crucial research area in remote sensing due to its ability to detect subtle changes on the earth's surface. Recently, diffusional denoising probabilistic models (DDPM) have…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Xiangrong Zhang , Shunli Tian , Guanchun Wang , Huiyu Zhou , Licheng Jiao

Hyperspectral image (HSI) fusion addresses the challenge of reconstructing High-Resolution HSIs (HR-HSIs) from High-Resolution Multispectral images (HR-MSIs) and Low-Resolution HSIs (LR-HSIs), a critical task given the high costs and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-15 Chia-Ming Lee , Yu-Fan Lin , Yu-Hao Ho , Li-Wei Kang , Chih-Chung Hsu

Hyperspectral image (HSI) classification has become a hot topic in the field of remote sensing. In general, the complex characteristics of hyperspectral data make the accurate classification of such data challenging for traditional machine…

Image and Video Processing · Electrical Eng. & Systems 2019-10-30 Shutao Li , Weiwei Song , Leyuan Fang , Yushi Chen , Pedram Ghamisi , Jón Atli Benediktsson

The problem of unsupervised learning and segmentation of hyperspectral images is a significant challenge in remote sensing. The high dimensionality of hyperspectral data, presence of substantial noise, and overlap of classes all contribute…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 James M. Murphy , Mauro Maggioni

Classifying hyperspectral images (HSIs) is a complex task in remote sensing due to the high-dimensional nature and volume of data involved. To address these challenges, we propose the Spectral-Spatial non-Linear Model, a novel framework…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Judy X Yang , Jing Wang , Zekun Long , Chenhong Sui , Jun Zhou

Hyperspectral images, which store a hundred or more spectral bands of reflectance, have become an important data source in natural and social sciences. Hyperspectral images are often generated in large quantities at a relatively coarse…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Kangning Cui , Ruoning Li , Sam L. Polk , James M. Murphy , Robert J. Plemmons , Raymond H. Chan

Hyperspectral imaging provides precise classification for land use and cover due to its exceptional spectral resolution. However, the challenges of high dimensionality and limited spatial resolution hinder its effectiveness. This study…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shivam Pande

Deep learning techniques have been widely applied to hyperspectral image (HSI) classification and have achieved great success. However, the deep neural network model has a large parameter space and requires a large number of labeled data.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Qiqi Zhu , Weihuan Deng , Zhuo Zheng , Yanfei Zhong , Qingfeng Guan , Weihua Lin , Liangpei Zhang , Deren Li

Hyperspectral image (HSI) classification is a hot topic in the remote sensing community. This paper proposes a new framework of spectral-spatial feature extraction for HSI classification, in which for the first time the concept of deep…

Computer Vision and Pattern Recognition · Computer Science 2015-11-11 Zhouhan Lin , Yushi Chen , Xing Zhao , Gang Wang

Existing hyperspectral image (HSI) super-resolution (SR) methods struggle to effectively capture the complex spectral-spatial relationships and low-level details, while diffusion models represent a promising generative model known for their…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Zhaoyang Wang , Dongyang Li , Mingyang Zhang , Hao Luo , Maoguo Gong

Medical image segmentation has been significantly advanced with the rapid development of deep learning (DL) techniques. Existing DL-based segmentation models are typically discriminative; i.e., they aim to learn a mapping from the input…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Tao Chen , Chenhui Wang , Zhihao Chen , Yiming Lei , Hongming Shan

The Hyperspectral image (HSI) contains several hundred bands of the same region called the Ground Truth (GT). The bands are taken in juxtaposed frequencies, but some of them are noisily measured or contain no information. For the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Hasna Nhaila , Maria Merzouqi , Elkebir Sarhrouni , Ahmed Hammouch

In hyperspectral remote sensing field, some downstream dense prediction tasks, such as semantic segmentation (SS) and change detection (CD), rely on supervised learning to improve model performance and require a large amount of manually…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Wendi Liu , Pei Yang , Wenhui Hong , Xiaoguang Mei , Jiayi Ma

Hyperspectral imaging (HSI) unlocks the huge potential to a wide variety of applications relied on high-precision pathology image segmentation, such as computational pathology and precision medicine. Since hyperspectral pathology images…

Image and Video Processing · Electrical Eng. & Systems 2021-03-08 Boxiang Yun , Yan Wang , Jieneng Chen , Huiyu Wang , Wei Shen , Qingli Li