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Fusing a low-resolution hyperspectral image (HSI) and a high-resolution multispectral image (MSI) of the same scene leads to a super-resolution image (SRI), which is information rich spatially and spectrally. In this paper, we super-resolve…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Chandrajit Bajaj , Tianming Wang

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

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

Hyperspectral imaging (HSI) has a wide range of applications from environmental monitoring to biotechnology. Current snapshot HSI techniques all require a trade-off between spatial and spectral resolution and are thus unable to achieve high…

Optics · Physics 2023-01-11 Yingwen Zhang , Duncan England , Benjamin Sussman

The inclusion of spatial information into spectral classifiers for fine-resolution hyperspectral imagery has led to significant improvements in terms of classification performance. The task of spectral-spatial hyperspectral image…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Puhong Duan , Pedram Ghamisi , Xudong Kang , Behnood Rasti , Shutao Li , Richard Gloaguen

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

Deep learning has been widely used for hyperspectral pixel classification due to its ability of generating deep feature representation. However, how to construct an efficient and powerful network suitable for hyperspectral data is still…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Jingzhou Chen , Siyu Chen , Peilin Zhou , Yuntao Qian

We introduce a novel video-rate hyperspectral imager with high spatial, and temporal resolutions. Our key hypothesis is that spectral profiles of pixels in a super-pixel of an oversegmented image tend to be very similar. Hence, a…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Vishwanath Saragadam , Michael DeZeeuw , Richard Baraniuk , Ashok Veeraraghavan , Aswin Sankaranarayanan

In the recent years, hyperspectral imaging (HSI) has gained considerably popularity among computer vision researchers for its potential in solving remote sensing problems, especially in agriculture field. However, HSI classification is a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Mohamed Fadhlallah Guerri , Cosimo Distante , Paolo Spagnolo , Fares Bougourzi , Abdelmalik Taleb-Ahmed

Hyperspectral images show similar statistical properties to natural grayscale or color photographic images. However, the classification of hyperspectral images is more challenging because of the very high dimensionality of the pixels and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Gustavo Camps-Valls , Devis Tuia , Lorenzo Bruzzone , Jón Atli Benediktsson

A map-guided superpixel segmentation method for hyperspectral imagery is developed and introduced. The proposed approach develops a hyperspectral-appropriate version of the SLIC superpixel segmentation algorithm, leverages map information…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Hao Sun , Alina Zare

Segmenting the boundary between tumor and healthy tissue during surgical cancer resection poses a significant challenge. In recent years, Hyperspectral Imaging (HSI) combined with Machine Learning (ML) has emerged as a promising solution.…

Hyperspectral image (HSI) denoising is an essential procedure for HSI applications. Unfortunately, the existing Transformer-based methods mainly focus on non-local modeling, neglecting the importance of locality in image denoising.…

Image and Video Processing · Electrical Eng. & Systems 2024-08-05 Hao Liang , Chengjie , Kun Li , Xin Tian

Hyperspectral images have significant applications in various domains, since they register numerous semantic and spatial information in the spectral band with spatial variability of spectral signatures. Two critical challenges in…

Image and Video Processing · Electrical Eng. & Systems 2023-07-21 Moule Lin , Weipeng Jing , Donglin Di , Guangsheng Chen , Houbing Song

High spectral dimensionality and the shortage of annotations make hyperspectral image (HSI) classification a challenging problem. Recent studies suggest that convolutional neural networks can learn discriminative spatial features, which…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Zilong Zhong , Jonathan Li

Hyperspectral super-resolution refers to the problem of fusing a hyperspectral image (HSI) and a multispectral image (MSI) to produce a super-resolution image (SRI) that has fine spatial and spectral resolution. State-of-the-art methods…

Signal Processing · Electrical Eng. & Systems 2018-12-05 Charilaos I. Kanatsoulis , Xiao Fu , Nicholas D. Sidiropoulos , Wing-Kin Ma

Hyperspectral sensors enable the study of the chemical properties of scene materials remotely for the purpose of identification, detection, and chemical composition analysis of objects in the environment. Hence, hyperspectral images…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Utsav B. Gewali , Sildomar T. Monteiro , Eli Saber

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

Hyperspectral image super-resolution addresses the problem of fusing a low-resolution hyperspectral image (LR-HSI) and a high-resolution multispectral image (HR-MSI) to produce a high-resolution hyperspectral image (HR-HSI). Tensor analysis…

Numerical Analysis · Mathematics 2022-12-07 Diyi Jin , Jianjun Liu , Jinlong Yang , Zebin Wu

The Remote sensing provides a synoptic view of land by detecting the energy reflected from Earth's surface. The Hyperspectral images (HSI) use perfect sensors that extract more than a hundred of images, with more detailed information than…

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