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Hyperspectral imaging is an important tool having been applied in various fields, but still limited in observation of dynamic scenes. In this paper, we propose a snapshot hyperspectral imaging technique which exploits both spectral and…

仪器与探测器 · 物理学 2018-12-26 Chao Deng , Xuemei Hu , Jinli Suo , Yuanlong Zhang , Zhili Zhang , Qionghai Dai

Hyperspectral image (HSI) super-resolution is commonly used to overcome the hardware limitations of existing hyperspectral imaging systems on spatial resolution. It fuses a low-resolution (LR) HSI and a high-resolution (HR) conventional…

图像与视频处理 · 电气工程与系统科学 2021-04-27 Xiuheng Wang , Jie Chen , Qi Wei , Cédric Richard

Hyperspectral imaging (HSI) is essential across various disciplines for its capacity to capture rich spectral information. However, efficiently reconstructing hyperspectral images from compressive sensing measurements presents significant…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Jianan Li , Wangcai Zhao , Tingfa Xu

Hyperspectral Imaging (HSI) serves as a non-destructive spatial spectroscopy technique with a multitude of potential applications. However, a recurring challenge lies in the limited size of the target datasets, impeding exhaustive…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Hannah Frank , Leon Amadeus Varga , Andreas Zell

Hyperspectral image (HSI) reconstruction aims to recover the 3D spatial-spectral signal from a 2D measurement in the coded aperture snapshot spectral imaging (CASSI) system. The HSI representations are highly similar and correlated across…

图像与视频处理 · 电气工程与系统科学 2022-03-22 Yuanhao Cai , Jing Lin , Xiaowan Hu , Haoqian Wang , Xin Yuan , Yulun Zhang , Radu Timofte , Luc Van Gool

Traditional radar imaging methods suffer from the problems of low resolution and poor noise suppression. We propose a new radar imaging method based on Self-supervised deep-learning-assisted compressed sensing (SS-DL-CS-Net). The original…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Shaoyin Huang

Classifying hyperspectral images (HSIs) is a complex task in remote sensing due to the high-dimensional nature and volume of data involved. To address these challenges, we propose the Spectral-Spatial non-Linear Model, a novel framework…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Judy X Yang , Jing Wang , Zekun Long , Chenhong Sui , Jun Zhou

Spectral imaging collects and processes information along spatial and spectral coordinates quantified in discrete voxels, which can be treated as a 3D spectral data cube. The spectral images (SIs) allow identifying objects, crops, and…

信息论 · 计算机科学 2023-04-12 Jorge Bacca , Emmanuel Martinez , Henry Arguello

Hyperspectral image (HSI) classification is challenging due to spatial variability caused by complex imaging conditions. Prior methods suffer from limited representation ability, as they train specially designed networks from scratch on…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Di Wang , Jing Zhang , Bo Du , Liangpei Zhang , Dacheng Tao

The development of deep learning-based models for the compression of hyperspectral images (HSIs) has recently attracted great attention in remote sensing due to the sharp growing of hyperspectral data archives. Most of the existing models…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Martin Hermann Paul Fuchs , Akshara Preethy Byju , Alisa Walda , Behnood Rasti , Begüm Demir

Fourier single-pixel imaging (FSI) is a branch of single-pixel imaging techniques. It uses Fourier basis patterns as structured patterns for spatial information acquisition in the Fourier domain. However, the spatial resolution of the image…

图像与视频处理 · 电气工程与系统科学 2021-08-06 Ziheng Qiu , Xinyi Guo , Tianao Lu , Pan Qi , Zibang Zhang , Jingang Zhong

Hyperspectral images (HSI) provide rich spectral information that contributed to the successful performance improvement of numerous computer vision tasks. However, it can only be achieved at the expense of images' spatial resolution.…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Ying Qu , Hairong Qi , Chiman Kwan , Naoto Yokoya , Jocelyn Chanussot

This thesis proposes spatio-spectral techniques for hyperspectral image analysis. Adaptive spatio-spectral support and variable exposure hyperspectral imaging is demonstrated to improve spectral reflectance recovery from hyperspectral…

计算机视觉与模式识别 · 计算机科学 2014-07-30 Zohaib Khan

Coded Aperture Imaging (CAI) has been proposed as an alternative collimation technique in nuclear imaging. To maximize spatial resolution small pinholes in the coded aperture mask are required. However, a high-resolution detector is needed…

医学物理 · 物理学 2023-06-16 Tobias Meißner , Werner Nahm , Jürgen Hesser , Nikolas Löw

The progress on Hyperspectral image (HSI) super-resolution (SR) is still lagging behind the research of RGB image SR. HSIs usually have a high number of spectral bands, so accurately modeling spectral band interaction for HSI SR is hard.…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Ke Li , Luc Van Gool , Dengxin Dai

Hyperspectral images super-resolution aims to improve the spatial resolution, yet its performance is often limited at high-resolution ratios. The recent adoption of high-resolution reference images for super-resolution is driven by the poor…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Yingkai Zhang , Zeqiang Lai , Tao Zhang , Ying Fu , Chenghu Zhou

Due to inadequate energy captured by the hyperspectral camera sensor in poor illumination conditions, low-light hyperspectral images (HSIs) usually suffer from low visibility, spectral distortion, and various noises. A range of HSI…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Xuelong Li , Guanlin Li , Bin Zhao

Snapshot Compressive Imaging (SCI) enables fast spectral imaging but requires effective decoding algorithms for hyperspectral image (HSI) reconstruction from compressed measurements. Current CNN-based methods are limited in modeling…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Wenzhe Tian , Haijin Zeng , Yin-Ping Zhao , Yongyong Chen , Zhen Wang , Xuelong Li

A recently designed hyperspectral imaging device enables multiplexed acquisition of an entire data volume in a single snapshot thanks to monolithically-integrated spectral filters. Such an agile imaging technique comes at the cost of a…

计算机视觉与模式识别 · 计算机科学 2015-02-09 K. Degraux , V. Cambareri , L. Jacques , B. Geelen , C. Blanch , G. Lafruit

Compressive imaging using coded apertures (CA) is a powerful technique that can be used to recover depth, light fields, hyperspectral images and other quantities from a single snapshot. The performance of compressive imaging systems based…

图像与视频处理 · 电气工程与系统科学 2021-04-08 Edwin Vargas , Julien N. P. Martel , Gordon Wetzstein , Henry Arguello