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This article proposes a generic framework to process jointly the spatial and spectral information of hyperspectral images. First, sub-images are extracted. Then each of these sub-images follows two parallel workflows, one dedicated to the…

Nowadays, most of the hyperspectral image (HSI) fusion experiments are based on simulated datasets to compare different fusion methods. However, most of the spectral response functions and spatial downsampling functions used to create the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Shuangliang Li

Hyperspectral image (HSI) classification typically involves large-scale data and computationally intensive training, which limits the practical deployment of deep learning models in real-world remote sensing tasks. This study introduces…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Meihua Zhou , Liping Yu , Xinyu Tong , Wai Kin Fung , Ruiguo Hu , Jiarui Zhao , Wenzhuo Liu , Nan Wan

Hyperspectral object tracking using snapshot mosaic cameras is emerging as it provides enhanced spectral information alongside spatial data, contributing to a more comprehensive understanding of material properties. Using transformers,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Shaheer Mohamed , Tharindu Fernando , Sridha Sridharan , Peyman Moghadam , Clinton Fookes

This paper presents a deep learning-based estimation of the intensity component of MultiSpectral bands by considering joint multiplication of the neighbouring spectral bands. This estimation is conducted as part of the component…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Arian Azarang , Nasser Kehtarnavaz

Hyperspectral (HS) images contain detailed spectral information that has proven crucial in applications like remote sensing, surveillance, and astronomy. However, because of hardware limitations of HS cameras, the captured images have low…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Marija Vella , Bowen Zhang , Wei Chen , João F. C. Mota

In this letter, we propose a multitask deep learning method for classification of multiple hyperspectral data in a single training. Deep learning models have achieved promising results on hyperspectral image classification, but their…

Computer Vision and Pattern Recognition · Computer Science 2020-12-30 Shengjie Liu , Qian Shi

Spectral imaging has recently gained traction for face recognition in biometric systems. We investigate the merits of spectral imaging for face recognition and the current challenges that hamper the widespread deployment of spectral sensors…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Rumaisah Munir , Rizwan Ahmed Khan

Mass spectrometry is a widely used method to study molecules and processes in medicine, life sciences, chemistry, catalysis, and industrial product quality control, among many other applications. One of the main features of some mass…

Chemical Physics · Physics 2024-07-02 Daniil A. Boiko , Valentine P. Ananikov

Speckles arise when coherent light interacts with biological tissues. Information retrieval from speckles is desired yet challenging, requiring understanding or mapping of the multiple scattering process, or reliable capability to reverse…

Image and Video Processing · Electrical Eng. & Systems 2020-05-05 Huanhao Li , Zhipeng Yu , Yunqi Luo , Shengfu Cheng , Lihong V. Wang , Yuanjin Zheng , Puxiang Lai

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

Spectral variability in hyperspectral images can result from factors including environmental, illumination, atmospheric and temporal changes. Its occurrence may lead to the propagation of significant estimation errors in the unmixing…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Ricardo Augusto Borsoi , Tales Imbiriba , José Carlos Moreira Bermudez

In the field of fusing multi-spectral and panchromatic images (Pan-sharpening), the impressive effectiveness of deep neural networks has been recently employed to overcome the drawbacks of traditional linear models and boost the fusing…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Yancong Wei , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

In the field of spatial-spectral fusion, the model-based method and the deep learning (DL)-based method are state-of-the-art. This paper presents a fusion method that incorporates the deep neural network into the model-based method for the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Huanfeng Shen , Menghui Jiang , Jie Li , Qiangqiang Yuan , Yanchong Wei , Liangpei Zhang

Archetypal scenarios for change detection generally consider two images acquired through sensors of the same modality. However, in some specific cases such as emergency situations, the only images available may be those acquired through…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Vinicius Ferraris , Nicolas Dobigeon , Qi Wei , Marie Chabert

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

Brillouin imaging relies on the reliable extraction of subtle spectral information from hyperspectral datasets. To date, the mainstream practice has been using line fitting of spectral features to retrieve the average peak shift and…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 YuChen Xiang , Kai Ling C. Seow , Carl Paterson , Peter Török

The rapid advent of machine learning (ML) and artificial intelligence (AI) has catalyzed major transformations in chemistry, yet the application of these methods to spectroscopic and spectrometric data, referred to as Spectroscopy Machine…

Several Scientific and engineering applications require merging of sampled images for complex perception development. In most cases, for such requirements, images are merged at intensity level. Even though it gives fairly good perception of…

Computer Vision and Pattern Recognition · Computer Science 2014-08-01 T. R. Gopalakrishnan Nair , Richa Sharma

Hyperspectral sensors capture dense spectra per pixel but suffer from low spatial resolution, causing blurred boundaries and mixed-pixel effects. Co-registered companion sensors such as multispectral, RGB, or panchromatic cameras provide…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Ritik Shah , Marco F Duarte