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Hyperspectral image (HSI) with narrow spectral bands can capture rich spectral information, but it sacrifices its spatial resolution in the process. Many machine-learning-based HSI super-resolution (SR) algorithms have been proposed…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Zhongyang Zhang , Zhiyang Xu , Zia Ahmed , Asif Salekin , Tauhidur Rahman

Hyperspectral image (HSI) denoising is a crucial step in enhancing the quality of HSIs. Noise modeling methods can fit noise distributions to generate synthetic HSIs to train denoising networks. However, the noise in captured HSIs is…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Yingkai Zhang , Tao Zhang , Jing Nie , Ying Fu

Visual discrimination of clinical tissue types remains challenging, with traditional RGB imaging providing limited contrast for such tasks. Hyperspectral imaging (HSI) is a promising technology providing rich spectral information that can…

图像与视频处理 · 电气工程与系统科学 2023-03-16 Luis C. Garcia-Peraza-Herrera , Conor Horgan , Sebastien Ourselin , Michael Ebner , Tom Vercauteren

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…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xiangming Wang , Benteng Sun , Yungeng Liu , Haijin Zeng , Yongyong Chen , Jingyong Su , Jie Liu

Hyperspectral image (HSI) classification plays a significant in the field of remote sensing due to its ability to provide spatial and spectral information. Due to the rapid development and increasing of hyperspectral remote sensing…

计算机视觉与模式识别 · 计算机科学 2020-06-24 G. Kalaiarasi , S. Maheswari

With the convenient availability of remote sensing data, how to make models to interpret complex remote sensing data attracts wide attention. In remote sensing data, hyperspectral images contain spectral information and LiDAR contains…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Quanfeng Xu , Yi Tang , Yumei She

This paper proposes a novel two-stage method for the classification of hyperspectral images. Pixel-wise classifiers, such as the classical support vector machine (SVM), consider spectral information only; therefore they would generate noisy…

图像与视频处理 · 电气工程与系统科学 2018-06-05 Raymond H. Chan , Kelvin K. Kan , Mila Nikolova , Robert J. Plemmons

Coded aperture snapshot hyperspectral imaging (CASSI) system which captures 2-D spatial information and 1-D spectral information in just one or two shots has become a promising technology to capture hyperspectral image (HSI). However,…

光学 · 物理学 2025-04-30 Jiayu Di , Yantao Jin , Zhenming Yu , Liming Cheng , Jingyue Ma , Ning Zhan , Kun Xu

Sparsity-based approaches have been popular in many applications in image processing and imaging. Compressed sensing exploits the sparsity of images in a transform domain or dictionary to improve image recovery from undersampled…

机器学习 · 统计学 2019-06-14 Saiprasad Ravishankar , Brian E. Moore , Raj Rao Nadakuditi , Jeffrey A. Fessler

Hyperspectral image (HSI) classification has been widely adopted in applications involving remote sensing imagery analysis which require high classification accuracy and real-time processing speed. Methods based on Convolutional neural…

图像与视频处理 · 电气工程与系统科学 2019-08-21 Shuanglong Liu , Ringo S. W. Chu , Xiwei Wang , Wayne Luk

Hyperspectral image (HSI) plays a vital role in various fields such as agriculture and environmental monitoring. However, due to the expensive acquisition cost, the number of hyperspectral images is limited, degenerating the performance of…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Li Pang , Xiangyong Cao , Datao Tang , Shuang Xu , Xueru Bai , Feng Zhou , Deyu Meng

We analyze synthetic aperture radar (SAR) imaging of complex ground scenes that contain both stationary and moving targets. In the usual SAR acquisition scheme, we consider ways to preprocess the data so as to separate the contributions of…

信号处理 · 电气工程与系统科学 2019-06-07 Matan Leibovich , George Papanicolaou , Chrysoula Tsogka

We have implemented a method that detects planar regions from 3D scan data using Random Sample Consensus (RANSAC) algorithm to address the issue of a trade-off between the scanning speed and the point density of 3D scanning. However, the…

机器人学 · 计算机科学 2013-12-19 Tomofumi Fujiwara , Tetsushi Kamegawa , Akio Gofuku

Hyper-Spectral Imaging (HSI) is a crucial technique for analysing remote sensing data acquired from Earth observation satellites. The rich spatial and spectral information obtained through HSI allows for better characterisation and…

硬件体系结构 · 计算机科学 2024-07-26 Cornell Castelino , Shashwat Khandelwal , Shanker Shreejith , Sharatchandra Varma Bogaraju

The high dimensionality of hyperspectral images (HSI) that contains more than hundred bands (images) for the same region called Ground Truth Map, often imposes a heavy computational burden for image processing and complicates the learning…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Asma Elmaizi , Elkebir Sarhrouni , Ahmed hammouch , Chafik Nacir

Hyperspectral target detection is a task of primary importance in remote sensing since it allows identification, location, and discrimination of target features. To this end, the reflectance maps, which contain the spectral signatures and…

信号处理 · 电气工程与系统科学 2023-05-24 Pia Addabbo , Nicomino Fiscante , Gaetano Giunta , Danilo Orlando , Giuseppe Ricci , Silvia Liberata Ullo

Hyperspectral image (HSI) has some advantages over natural image for various applications due to the extra spectral information. During the acquisition, it is often contaminated by severe noises including Gaussian noise, impulse noise,…

图像与视频处理 · 电气工程与系统科学 2020-07-03 Zhen Long , Yipeng Liu , Sixing Zeng , Jiani Liu , Fei Wen , Ce Zhu

This paper explores the problem of hyperspectral image (HSI) super-resolution that merges a low resolution HSI (LR-HSI) and a high resolution multispectral image (HR-MSI). The cross-modality distribution of the spatial and spectral…

图像与视频处理 · 电气工程与系统科学 2021-02-03 Zhiyu Zhu , Junhui Hou , Jie Chen , Huanqiang Zeng , Jiantao Zhou

Imaging spectrometers measure electromagnetic energy scattered in their instantaneous field view in hundreds or thousands of spectral channels with higher spectral resolution than multispectral cameras. Imaging spectrometers are therefore…

数据分析、统计与概率 · 物理学 2012-04-25 José M. Bioucas-Dias , Antonio Plaza , Nicolas Dobigeon , Mario Parente , Qian Du , Paul Gader , Jocelyn Chanussot

Hyperspectral imaging (HSI) holds significant potential for transforming the field of computational pathology. However, there is currently a shortage of pixel-wise annotated HSI data necessary for training deep learning (DL) models.…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Ivica Kopriva , Dario Sitnik , Laura-Isabelle Dion-Bertrand , Marija Milković Periša , Mirko Hadžija , Marijana Popović Hadžija