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Spare representation of signals has received significant attention in recent years. Based on these developments, a sparse representation-based classification (SRC) has been proposed for a variety of classification and related tasks,…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Minshan Cui , Saurabh Prasad

Graph-based semi-supervised learning methods, which deal well with the situation of limited labeled data, have shown dominant performance in practical applications. However, the high dimensionality of hyperspectral images (HSI) makes it…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Yanling Miao , Qi Wang , Mulin Chen , Xuelong Li

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

Hyperspectral image (HSI) classification involves assigning unique labels to each pixel to identify various land cover categories. While deep classifiers have achieved high predictive accuracy in this field, they lack the ability to…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Kangdao Liu , Tianhao Sun , Hao Zeng , Yongshan Zhang , Chi-Man Pun , Chi-Man Vong

Given a target prior information, our goal is to propose a method for automatically separating targets of interests from the background in hyperspectral imagery. More precisely, we regard the given hyperspectral image (HSI) as being made up…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Ahmad W. Bitar , Loong-Fah Cheong , Jean-Philippe Ovarlez

In order to enhance the performance of image recognition, a sparsity augmented probabilistic collaborative representation based classification (SA-ProCRC) method is presented. The proposed method obtains the dense coefficient through…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Xiao-Yun Cai , He-Feng Yin

This paper aims at developing a clustering approach with spectral images directly from the compressive measurements of coded aperture snapshot spectral imager (CASSI). Assuming that compressed measurements often lie approximately in low…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Jianchen Zhu

In this paper, we study the problem of hyperspectral pixel classification based on the recently proposed architectures for compressive whisk-broom hyperspectral imagers without the need to reconstruct the complete data cube. A clear…

计算机视觉与模式识别 · 计算机科学 2015-08-04 Mohammad Aghagolzadeh , Hayder Radha

Fusing a hyperspectral image with a multispectral image acquired over the same scene, \textit{i.e.}, hyperspectral image super-resolution, has become a popular computational way to access the latent high-spatial-spectral-resolution image.…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Yinjian Wang , Wei Li , Yuanyuan Gui , Gemine Vivone

Hyperspectral super-resolution (HSR) is a problem that aims to estimate an image of high spectral and spatial resolutions from a pair of co-registered multispectral (MS) and hyperspectral (HS) images, which have coarser spectral and spatial…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Ruiyuan Wu , Wing-Kin Ma , Xiao Fu , Qiang Li

By coding a query sample as a sparse linear combination of all training samples and then classifying it by evaluating which class leads to the minimal coding residual, sparse representation based classification (SRC) leads to interesting…

计算机视觉与模式识别 · 计算机科学 2014-03-11 Lei Zhang , Meng Yang , Xiangchu Feng , Yi Ma , David Zhang

High-resolution hyperspectral images (HSIs) contain the response of each pixel in different spectral bands, which can be used to effectively distinguish various objects in complex scenes. While HSI cameras have become low cost, algorithms…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Yuxing Huang , Shaodi You , Ying Fu , Qiu Shen

Hyperspectral images have far more spectral bands than ordinary multispectral images. Rich band information provides more favorable conditions for the tremendous applications. However, significant increase in the dimensionality of spectral…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Fei Li , Pingping Zhang , Huchuan Lu

A successful approach to image quality assessment involves comparing the structural information between a distorted and its reference image. However, extracting structural information that is perceptually important to our visual system is a…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Tanaya Guha , Ehsan Nezhadarya , Rabab K Ward

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

Subspace clustering is a powerful unsupervised approach for hyperspectral image (HSI) analysis, but its high computational and memory costs limit scalability. Superpixel segmentation can improve efficiency by reducing the number of data…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pizurica

Inspired by the recently remarkable successes of Sparse Representation (SR), Collaborative Representation (CR) and sparse graph, we present a novel hypergraph model named Regression-based Hypergraph (RH) which utilizes the regression models…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Sheng Huang , Dan Yang , Bo Liu , Xiaohong Zhang

Hyperspectral Image (HSI)s cover hundreds or thousands of narrow spectral bands, conveying a wealth of spatial and spectral information. However, due to the instrumental errors and the atmospheric changes, the HSI obtained in practice are…

图像与视频处理 · 电气工程与系统科学 2023-07-24 Shuo Li , Mehrdad Yaghoobi

The compressive sensing (CS) scheme exploits much fewer measurements than suggested by the Nyquist-Shannon sampling theorem to accurately reconstruct images, which has attracted considerable attention in the computational imaging community.…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Zhiyuan Zha , Bihan Wen , Xin Yuan , Saiprasad Ravishankar , Jiantao Zhou , Ce Zhu

Deep learning has proven to be a very effective approach for Hyperspectral Image (HSI) classification. However, deep neural networks require large annotated datasets to generalize well. This limits the applicability of deep learning for HSI…

计算机视觉与模式识别 · 计算机科学 2022-06-27 Nassim Ait Ali Braham , Lichao Mou , Jocelyn Chanussot , Julien Mairal , Xiao Xiang Zhu