English
Related papers

Related papers: DCN-T: Dual Context Network with Transformer for H…

200 papers

Hyperspectral image (HSI) classification faces critical challenges, including high spectral dimensionality, complex spectral-spatial correlations, and limited training samples with severe class imbalance. While CNNs excel at local feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Asmit Bandyopadhyay , Anindita Das Bhattacharjee , Rakesh Das

Deep learning based landcover classification algorithms have recently been proposed in literature. In hyperspectral images (HSI) they face the challenges of large dimensionality, spatial variability of spectral signatures and scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Anirban Santara , Kaustubh Mani , Pranoot Hatwar , Ankit Singh , Ankur Garg , Kirti Padia , Pabitra Mitra

In the hyperspectral image (HSI) classification task, each pixel is categorized into a specific land-cover category or material. Convolutional neural networks (CNNs) and transformers have been widely used to extract local and non-local…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Peng Chen , Wenxuan He , Feng Qian , Guangyao Shi , Jingwen Yan

Recently, convolutional neural network (CNN) techniques have gained popularity as a tool for hyperspectral image classification (HSIC). To improve the feature extraction efficiency of HSIC under the condition of limited samples, the current…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Hongmin Gao , Zhonghao Chen , Chenming Li

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

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

Hyperspectral image classification (HSIC) has been significantly advanced by deep learning methods that exploit rich spatial-spectral correlations. However, existing approaches still face fundamental limitations: transformer-based models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Muhammad Ahmad

Hyperspectral image (HSI) contains both spatial pattern and spectral information which has been widely used in food safety, remote sensing, and medical detection. However, the acquisition of hyperspectral images is usually costly due to the…

Image and Video Processing · Electrical Eng. & Systems 2021-12-01 Xinyu Gao , Tianlang Wang , Jing Yang , Jinchao Tao , Yanqing Qiu , Yanlong Meng , Banging Mao , Pengwei Zhou , Yi Li

To solve the ill-posed problem of hyperspectral image super-resolution (HSISR), an usually method is to use the prior information of the hyperspectral images (HSIs) as a regularization term to constrain the objective function. Model-based…

Image and Video Processing · Electrical Eng. & Systems 2021-11-30 Qing Ma , Junjun Jiang , Xianming Liu , Jiayi Ma

Hyperspectral images involve abundant spectral and spatial information, playing an irreplaceable role in land-cover classification. Recently, based on deep learning technologies, an increasing number of HSI classification approaches have…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Haokui Zhang , Chengrong Gong , Yunpeng Bai , Zongwen Bai , Ying Li

Hyperspectral image (HSI) classification presents unique challenges due to its high spectral dimensionality and limited labeled data. Traditional deep learning models often suffer from overfitting and high computational costs.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Prachet Dev Singh , Shyamsundar Paramasivam , Sneha Barman , Mainak Singha , Ankit Jha , Girish Mishra , Biplab Banerjee

Hyperspectral imagery is rich in spatial and spectral information. Using 3D-CNN can simultaneously acquire features of spatial and spectral dimensions to facilitate classification of features, but hyperspectral image information spectral…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Guandong Li , Chunju Zhang

Hyperspectral pansharpening aims to synthesize a low-resolution hyperspectral image (LR-HSI) with a registered panchromatic image (PAN) to generate an enhanced HSI with high spectral and spatial resolution. Recently proposed HS…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

Convolutional neural networks (CNNs) have achieved remarkable performance in hyperspectral image (HSI) classification over the last few years. Despite the progress that has been made, rich and informative spectral information of HSI has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Huiling Wang

Hyperspectral image denoising faces the challenge of multi-dimensional coupling of spatially non-uniform noise and spectral correlation interference. Existing deep learning methods mostly focus on RGB images and struggle to effectively…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Haoyue Li , Di Wu

Hyperspectral image has become increasingly crucial due to its abundant spectral information. However, It has poor spatial resolution with the limitation of the current imaging mechanism. Nowadays, many convolutional neural networks have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng

Deep neural networks have demonstrated highly competitive performance in super-resolution (SR) for natural images by learning mappings from low-resolution (LR) to high-resolution (HR) images. However, hyperspectral super-resolution remains…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Usman Muhammad , Jorma Laaksonen , Lyudmila Mihaylova

In the field of medical CT image processing, convolutional neural networks (CNNs) have been the dominant technique.Encoder-decoder CNNs utilise locality for efficiency, but they cannot simulate distant pixel interactions properly.Recent…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Hongyang He , Feng Ziliang , Yuanhang Zheng , Shudong Huang , HaoBing Gao

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Hyperspectral images (HSIs) have been widely applied in many fields, such as military, agriculture, and environment monitoring. Nevertheless, HSIs commonly suffer from various types of noise during acquisition. Therefore, denoising is…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yan Gao , Feng Gao , Junyu Dong