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Semantic image segmentation is an important prerequisite for context-awareness and autonomous robotics in surgery. The state of the art has focused on conventional RGB video data acquired during minimally invasive surgery, but full-scene…

Traditional feature extraction and projection techniques, such as Principal Component Analysis, struggle to adequately represent X-Ray Transmission (XRT) Multi-Energy (ME) images, limiting the performance of neural networks in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Fethi Harkat , Guillaume Gey , Valérie Perrier , Kévin Polisano , Tiphaine Deuberet

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

Deep learning-based informative band selection methods on hyperspectral images (HSI) recently have gained intense attention to eliminate spectral correlation and redundancies. However, the existing deep learning-based methods either need…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Lei Xu , Mete Ahishali , Moncef Gabbouj

Retrieving the reflectance spectrum from objects is an essential task for many classification and detection problems, since many materials and processes have a unique spectral behaviour. In many cases, it is highly desirable to capture…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

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 remote sensing images (HSIs) are characterized by having a low spatial resolution and a high spectral resolution, whereas multispectral images (MSIs) are characterized by low spectral and high spatial resolutions. These…

Computer Vision and Pattern Recognition · Computer Science 2014-06-11 Miguel Simões , José Bioucas-Dias , Luis B. Almeida , Jocelyn Chanussot

Hyperspectral Imaging (HSI) combines microscopy and spectroscopy to assess the spatial distribution of spectroscopically active compounds in objects, and has diverse applications in food quality control, pharmaceutical processes, and waste…

Image and Video Processing · Electrical Eng. & Systems 2023-08-30 Mahdiyeh Ghaffari , Mickey C. J. Lukkien , Nematollah Omidikia , Gerjen H. Tinnevelt , Marcel C. P. van Eijk , Jeroen J. Jansen

Earth observing satellites carrying multi-spectral sensors are widely used to monitor the physical and biological states of the atmosphere, land, and oceans. These satellites have different vantage points above the earth and different…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Thomas Vandal , Daniel McDuff , Weile Wang , Andrew Michaelis , Ramakrishna Nemani

Hyperspectral imaging (HSI) is widely applied in various industries, enabling detailed analysis of material properties or composition through their spectral signatures. However, for classification of construction and demolition waste (CDW)…

Optics · Physics 2025-07-15 Stanislav Vítek , Tomáš Zbíral , Václav Nežerka

Hyperspectral anomaly detection (HAD) aims to localize pixel points whose spectral features differ from the background. HAD is essential in scenarios of unknown or camouflaged target features, such as water quality monitoring, crop growth…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Jitao Ma , Weiying Xie , Yunsong Li

As one of the most widely cultivated and consumed crops, wheat is essential to global food security. However, wheat production is increasingly challenged by pests, diseases, climate change, and water scarcity, threatening yields.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Fadi Abdeladhim Zidi , Abdelkrim Ouafi , Fares Bougourzi , Cosimo Distante , Abdelmalik Taleb-Ahmed

Hyperspectral Imaging (HSI) provides detailed spectral information and has been utilised in many real-world applications. This work introduces an HSI dataset of building facades in a light industry environment with the aim of classifying…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Nariman Habili , Ernest Kwan , Weihao Li , Christfried Webers , Jeremy Oorloff , Mohammad Ali Armin , Lars Petersson

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

Hyperspectral bands offer rich spectral and spatial information; however, their high dimensionality poses challenges for efficient processing. Band selection (BS) methods aim to extract a smaller subset of bands to reduce spectral…

Image and Video Processing · Electrical Eng. & Systems 2025-09-29 Dibyabha Deb , Ujjwal Verma

Hyperspectral image produces high spectral resolution at the sacrifice of spatial resolution. Without reducing the spectral resolution, improving the resolution in the spatial domain is a very challenging problem. Motivated by the discovery…

Image and Video Processing · Electrical Eng. & Systems 2022-12-07 Qiang Li , Yuan Yuan , Xiuping Jia , Qi Wang

Hyperspectral imaging measures the amount of electromagnetic energy across the instantaneous field of view at a very high resolution in hundreds or thousands of spectral channels. This enables objects to be detected and the identification…

Image and Video Processing · Electrical Eng. & Systems 2021-03-15 Lina Zhuang , Lianru Gao , Bing Zhang , Xiyou Fu , Jose M. Bioucas-Dias

Hyperspectral imaging enables versatile applications due to its competence in capturing abundant spatial and spectral information, which are crucial for identifying substances. However, the devices for acquiring hyperspectral images are…

Image and Video Processing · Electrical Eng. & Systems 2022-07-14 Jingang Zhang , Runmu Su , Wenqi Ren , Qiang Fu , Felix Heide , Yunfeng Nie

Feature selection of high-dimensional labeled data with limited observations is critical for making powerful predictive modeling accessible, scalable, and interpretable for domain experts. Spectroscopy data, which records the interaction…

Machine Learning · Computer Science 2022-02-10 Frantishek Akulich , Hadis Anahideh , Manaf Sheyyab , Dhananjay Ambre

The band selection in the hyperspectral image (HSI) data processing is an important task considering its effect on the computational complexity and accuracy. In this work, we propose a novel framework for the band selection problem:…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Mete Ahishali , Serkan Kiranyaz , Iftikhar Ahmad , Moncef Gabbouj