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In the feature classification domain, the choice of data affects widely the results. For the Hyperspectral image, the bands dont all contain the information; some bands are irrelevant like those affected by various atmospheric effects, see…

Computer Vision and Pattern Recognition · Computer Science 2012-11-02 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Hyperspectral imaging (HSI) is an advanced medical imaging modality that captures optical data across a broad spectral range, providing novel insights into the biochemical composition of tissues. HSI may enable precise differentiation…

Image and Video Processing · Electrical Eng. & Systems 2024-08-07 Zhonghao Wang , Junwen Wang , Charlie Budd , Oscar MacCormac , Jonathan Shapey , Tom Vercauteren

Hyperspectral images are high-dimensional datasets comprising hundreds of contiguous spectral bands, enabling detailed analysis of materials and surfaces. Hyperspectral anomaly detection (HAD) refers to the technique of identifying and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Aayushma Pant , Arbind Agrahari Baniya , Tsz-Kwan Lee , Sunil Aryal

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

The profusion of spectral bands generated by the acquisition process of hyperspectral images generally leads to high computational costs. Such difficulties arise in particular with nonlinear unmixing methods, which are naturally more…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 T. Imbiriba , J. C. M. Bermudez , C. Richard , J. -Y. Tourneret

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

Hyperspectral imaging (HSI) captures spatial information along with dense spectral measurements across numerous narrow wavelength bands. This rich spectral content has the potential to facilitate robust robotic perception, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Juana Valeria Hurtado , Rohit Mohan , Abhinav Valada

Hyperspectral pansharpening consists of fusing a high-resolution panchromatic band and a low-resolution hyperspectral image to obtain a new image with high resolution in both the spatial and spectral domains. These remote sensing products…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Matteo Ciotola , Giuseppe Guarino , Gemine Vivone , Giovanni Poggi , Jocelyn Chanussot , Antonio Plaza , Giuseppe Scarpa

High-dimensional and complex spectral structures make clustering of hy-perspectral images (HSI) a challenging task. Subspace clustering has been shown to be an effective approach for addressing this problem. However, current subspace…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Xianju Li , Renxiang Guan , Zihao Li , Hao Liu , Jing Yang

Hyperspectral microscopy is an imaging technique that provides spectroscopic information with high spatial resolution. When applied in the relevant wavelength region, such as in the infrared (IR), it can reveal a rich spectral fingerprint…

Hyperspectral Imaging (HSI) has been extensively utilized in many real-life applications because it benefits from the detailed spectral information contained in each pixel. Notably, the complex characteristics i.e., the nonlinear relation…

Image and Video Processing · Electrical Eng. & Systems 2022-04-28 Muhammad Ahmad , Sidrah Shabbir , Swalpa Kumar Roy , Danfeng Hong , Xin Wu , Jing Yao , Adil Mehmood Khan , Manuel Mazzara , Salvatore Distefano , Jocelyn Chanussot

With consecutive bands in a wide range of wavelengths, hyperspectral images (HSI) have provided a unique tool for object detection task. However, existing HSI object detection methods have not been fully utilized in real applications, which…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Hongqi Zhang , He Sun , Hongmin Gao , Feng Han , Xu Sun , Lianru Gao , Bing Zhang

Deep learning based methods have achieved remarkable success in image restoration and enhancement, but most such methods rely on RGB input images. These methods fail to take into account the rich spectral distribution of natural images. We…

Image and Video Processing · Electrical Eng. & Systems 2021-02-11 Harsh Sinha , Aditya Mehta , Murari Mandal , Pratik Narang

Hyperspectral imaging is a powerful technology that is plagued by large dimensionality. Herein, we explore a way to combat that hindrance via non-contiguous and contiguous (simpler to realize sensor) band grouping for dimensionality…

Image and Video Processing · Electrical Eng. & Systems 2019-05-31 Muhammad Aminul Islam , Derek T. Anderson , John E. Ball , Nicolas H. Younan

Hyperspectral imaging has become a significant source of valuable data for astronomers over the past decades. Current instrumental and observing time constraints allow direct acquisition of multispectral images, with high spatial but low…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Claire Guilloteau , Thomas Oberlin , Olivier Berné , Nicolas Dobigeon

Protecting Vulnerable Road Users (VRU) is a critical safety challenge for automotive perception systems, particularly under visual ambiguity caused by metamerism, a phenomenon where distinct materials appear similar in RGB imagery. This…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jiarong Li , Imad Ali Shah , Diarmaid Geever , Fiachra Collins , Enda Ward , Martin Glavin , Edward Jones , Brian Deegan

We propose a method for the unsupervised clustering of hyperspectral images based on spatially regularized spectral clustering with ultrametric path distances. The proposed method efficiently combines data density and geometry to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Shukun Zhang , James M. Murphy

Hyperspectral imaging (HSI) has been extensively utilized for a number of real-world applications. HSI classification (HSIC) is a challenging task due to high inter-class similarity, high intra-class variability, overlapping, and nested…

Image and Video Processing · Electrical Eng. & Systems 2020-12-14 Muhammad Ahmad

Convolutional neural networks (CNN) have made significant advances in hyperspectral image (HSI) classification. However, standard convolutional kernel neglects the intrinsic connections between data points, resulting in poor region…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Tinghuai Wang , Guangming Wang , Kuan Eeik Tan , Donghui Tan

Over the past decade, hyperspectral image (HSI) classification has drawn considerable interest due to HSIs' ability to effectively distinguish terrestrial objects by capturing detailed, continuous spectral information. The strong…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Mohammed Q. Alkhatib , Ali Jamali