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Hyperspectral and multispectral image fusion allows us to overcome the hardware limitations of hyperspectral imaging systems inherent to their lower spatial resolution. Nevertheless, existing algorithms usually fail to consider realistic…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Xiuheng Wang , Ricardo Augusto Borsoi , Cédric Richard , Jie Chen

Few-shot classification of hyperspectral images (HSI) faces the challenge of scarce labeled samples. Self-Supervised learning (SSL) and Few-Shot Learning (FSL) offer promising avenues to address this issue. However, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Wenchen Chen , Yanmei Zhang , Zhongwei Xiao , Jianping Chu , Xingbo Wang

Hyperspectral imaging is a cutting-edge type of remote sensing used for mapping vegetation properties, rock minerals and other materials. A major drawback of hyperspectral imaging devices is their intrinsic low spatial resolution. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Leon Bungert , David A. Coomes , Matthias J. Ehrhardt , Jennifer Rasch , Rafael Reisenhofer , Carola-Bibiane Schönlieb

Hyperspectral images (HSIs) capture richer spatial-spectral information beyond RGB, yet real-world HSIs often suffer from a composite mix of degradations, such as noise, blur, and missing bands. Existing generative approaches for HSI…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xiangming Wang , Benteng Sun , Yungeng Liu , Haijin Zeng , Yongyong Chen , Jingyong Su , Jie Liu

Nowadays, the hyperspectral remote sensing imagery HSI becomes an important tool to observe the Earth's surface, detect the climatic changes and many other applications. The classification of HSI is one of the most challenging tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Hasna Nhaila , Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch

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 imaging is a powerful bioimaging tool which can uncover novel insights, thanks to its sensitivity to the intrinsic properties of materials. However, this enhanced contrast comes at the cost of system complexity, constrained by…

Hyperspectral and multispectral image fusion aims to generate high spectral and spatial resolution hyperspectral images (HR-HSI) by fusing high-resolution multispectral images (HR-MSI) and low-resolution hyperspectral images (LR-HSI).…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 He Wang , Yang Xu , Zebin Wu , Zhihui Wei

Hyperspectral image (HSI) classification is widely used for the analysis of remotely sensed images. Hyperspectral imagery includes varying bands of images. Convolutional Neural Network (CNN) is one of the most frequently used deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Swalpa Kumar Roy , Gopal Krishna , Shiv Ram Dubey , Bidyut B. Chaudhuri

The rapid development of deep learning provides a better solution for the end-to-end reconstruction of hyperspectral image (HSI). However, existing learning-based methods have two major defects. Firstly, networks with self-attention usually…

Image and Video Processing · Electrical Eng. & Systems 2022-06-17 Xiaowan Hu , Yuanhao Cai , Jing Lin , Haoqian Wang , Xin Yuan , Yulun Zhang , Radu Timofte , Luc Van Gool

Hyperspectral image (HSI) denoising is of crucial importance for many subsequent applications, such as HSI classification and interpretation. In this paper, we propose an attention-based deep residual network to directly learn a mapping…

Image and Video Processing · Electrical Eng. & Systems 2020-03-05 Yongsen Zhao , Deming Zhai , Junjun Jiang , Xianming Liu

Compared to natural images, hyperspectral images (HSIs) consist of a large number of bands, with each band capturing different spectral information from a certain wavelength, even some beyond the visible spectrum. These characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2023-09-18 Orhan Torun , Seniha Esen Yuksel , Erkut Erdem , Nevrez Imamoglu , Aykut Erdem

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

This paper introduces SS-MixNet, a lightweight and effective deep learning model for hyperspectral image (HSI) classification. The architecture integrates 3D convolutional layers for local spectral-spatial feature extraction with two…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Mohammed Q. Alkhatib

Hyperspectral image (HSI) super-resolution is commonly used to overcome the hardware limitations of existing hyperspectral imaging systems on spatial resolution. It fuses a low-resolution (LR) HSI and a high-resolution (HR) conventional…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Xiuheng Wang , Jie Chen , Qi Wei , Cédric Richard

Coded Aperture Snapshot Spectral Imaging (CASSI) reconstruction aims to recover the 3D spatial-spectral signal from 2D measurement. Existing methods for reconstructing Hyperspectral Image (HSI) typically involve learning mappings from a 2D…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Huan Chen , Wangcai Zhao , Tingfa Xu , Shiyun Zhou , Peifu Liu , Jianan Li

Fusion-based hyperspectral image (HSI) super-resolution aims to produce a high-spatial-resolution HSI by fusing a low-spatial-resolution HSI and a high-spatial-resolution multispectral image. Such a HSI super-resolution process can be…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Jianjun Liu , Zebin Wu , Liang Xiao

Image fusion technology is widely used to fuse the complementary information between multi-source remote sensing images. Inspired by the frontier of deep learning, this paper first proposes a heterogeneous-integrated framework based on a…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Menghui Jiang , Huanfeng Shen , Jie Li , Liangpei Zhang

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

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong