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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…

图像与视频处理 · 电气工程与系统科学 2023-09-18 Orhan Torun , Seniha Esen Yuksel , Erkut Erdem , Nevrez Imamoglu , Aykut Erdem

Denoising is a crucial step for hyperspectral image (HSI) applications. Though witnessing the great power of deep learning, existing HSI denoising methods suffer from limitations in capturing the non-local self-similarity. Transformers have…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Miaoyu Li , Ji Liu , Ying Fu , Yulun Zhang , Dejing Dou

Hyperspectral images (HSIs) are frequently noisy and of low resolution due to the constraints of imaging devices. Recently launched satellites can concurrently acquire HSIs and panchromatic (PAN) images, enabling the restoration of HSIs to…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Shuang Xu , Zixiang Zhao , Haowen Bai , Chang Yu , Jiangjun Peng , Xiangyong Cao , Deyu Meng

Hyper spectral images (HSI) provide rich spectral and spatial information across a series of contiguous spectral bands. However, the accurate processing of the spectral and spatial correlation between the bands requires the use of…

神经与进化计算 · 计算机科学 2021-07-29 Gourav Datta , Souvik Kundu , Akhilesh R. Jaiswal , Peter A. Beerel

Video snapshot compressive imaging (SCI) captures a sequence of video frames in a single shot using a 2D detector. The underlying principle is that during one exposure time, different masks are imposed on the high-speed scene to form a…

图像与视频处理 · 电气工程与系统科学 2021-03-08 Ziheng Cheng , Bo Chen , Guanliang Liu , Hao Zhang , Ruiying Lu , Zhengjue Wang , Xin Yuan

This work revisits coupled tensor decomposition (CTD)-based hyperspectral super-resolution (HSR). HSR aims at fusing a pair of hyperspectral and multispectral images to recover a super-resolution image (SRI). The vast majority of the HSR…

信号处理 · 电气工程与系统科学 2021-04-21 Meng Ding , Xiao Fu , Ting-Zhu Huang , Jun Wang , Xi-Le Zhao

Medical Hyperspectral Imaging (MHSI) has emerged as a promising tool for enhanced disease diagnosis, particularly in computational pathology, offering rich spectral information that aids in identifying subtle biochemical properties of…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Qing Zhang , Guoquan Pei , Yan Wang

Hyperspectral images (HSIs) are often corrupted by a mixture of several types of noise during the acquisition process, e.g., Gaussian noise, impulse noise, dead lines, stripes, and many others. Such complex noise could degrade the quality…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Yao Wang , Jiangjun Peng , Qian Zhao , Deyu Meng , Yee Leung , Xi-Le Zhao

MRI is an inherently slow process, which leads to long scan time for high-resolution imaging. The speed of acquisition can be increased by ignoring parts of the data (undersampling). Consequently, this leads to the degradation of image…

图像与视频处理 · 电气工程与系统科学 2022-02-22 Soumick Chatterjee , Mario Breitkopf , Chompunuch Sarasaen , Hadya Yassin , Georg Rose , Andreas Nürnberger , Oliver Speck

Hyperspectral image (HSI) classification is a cornerstone of remote sensing, enabling precise material and land-cover identification through rich spectral information. While deep learning has driven significant progress in this task, small…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Weilian Zhou , Weixuan Xie , Sei-ichiro Kamata , Man Sing Wong , Huiying , Hou , Haipeng Wang

Hyperspectral image is unique and useful for its abundant spectral bands, but it subsequently requires extra elaborated treatments of the spatial-spectral correlation as well as the global correlation along the spectrum for building a…

图像与视频处理 · 电气工程与系统科学 2023-04-04 Zeqiang Lai , Ying Fu

The goal of this paper is to present a non-iterative and more importantly an extremely fast algorithm to reconstruct images from compressively sensed (CS) random measurements. To this end, we propose a novel convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2016-03-09 Kuldeep Kulkarni , Suhas Lohit , Pavan Turaga , Ronan Kerviche , Amit Ashok

Hyperspectral imaging, capturing detailed spectral information for each pixel, is pivotal in diverse scientific and industrial applications. Yet, the acquisition of high-resolution (HR) hyperspectral images (HSIs) often needs to be…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Chih-Chung Hsu , Chih-Chien Ni , Chia-Ming Lee , Li-Wei Kang

One impressive advantage of convolutional neural networks (CNNs) is their ability to automatically learn feature representation from raw pixels, eliminating the need for hand-designed procedures. However, recent methods for single image…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yifan Wang , Lijun Wang , Hongyu Wang , Peihua Li

Hyperspectral image (HSI) recovery, as an upstream image processing task, holds significant importance for downstream tasks such as classification, segmentation, and detection. In recent years, HSI recovery methods based on non-local prior…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zhuoran Peng , Yiqing Shen

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

In hyperspectral image (HSI) classification, spatial context has demonstrated its significance in achieving promising performance. However, conventional spatial context-based methods simply assume that spatially neighboring pixels should…

机器学习 · 计算机科学 2019-09-27 Sheng Wan , Chen Gong , Ping Zhong , Shirui Pan , Guangyu Li , Jian Yang

Remote sensing image restoration aims to reconstruct missing or corrupted areas within images. To date, low-rank based models have garnered significant interest in this field. This paper proposes a novel low-rank regularization term, named…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Shuang Xu , Chang Yu , Jiangjun Peng , Xiangyong Cao , Deyu Meng

Integrating deep learning techniques into the video coding framework gains significant improvement compared to the standard compression techniques, especially applying super-resolution (up-sampling) to down-sampling based video coding as…

图像与视频处理 · 电气工程与系统科学 2021-01-19 Man M. Ho , Jinjia Zhou , Gang He

Spectral super-resolution (SSR) refers to the hyperspectral image (HSI) recovery from an RGB counterpart. Due to the one-to-many nature of the SSR problem, a single RGB image can be reprojected to many HSIs. The key to tackle this ill-posed…

图像与视频处理 · 电气工程与系统科学 2022-02-09 Chaoxiong Wu , Jiaojiao Li , Rui Song , Yunsong Li , Qian Du