Hyperspectral unmixing using higher-order graph regularized NMF with adaptive feature selection

K Qu, Z Li, C Wang, F Luo, W Bao - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Recently, graph learning methods have attracted much research attention, which uses first-order
nearest-neighbor relation between pixels to construct adjacency graphs for capturing …

Multiple-Priors Ensemble Constrained Nonnegative Matrix Factorization for Spectral Unmixing

K Qu, W Bao - IEEE Journal of Selected Topics in Applied Earth …, 2020 - ieeexplore.ieee.org
Nonnegative matrix factorization (NMF) is widely used in unmixing issue in recent years,
because it can simultaneously estimate the endmembers and abundances. However, most …

Multispectral and Hyperspectral Image Fusion Based on Joint-Structured Sparse Block-Term Tensor Decomposition

H Guo, W Bao, W Feng, S Sun, C Mo, K Qu - Remote Sensing, 2023 - mdpi.com
Multispectral and hyperspectral image fusion (MHF) aims to reconstruct high-resolution
hyperspectral images by fusing spatial and spectral information. Unlike the traditional canonical …

A Fast Sparse NMF Optimization Algorithm for Hyperspectral Unmixing

K Qu, Z Li - IEEE Journal of Selected Topics in Applied Earth …, 2023 - ieeexplore.ieee.org
Hyperspectral remote sensing images have received extensive attention because of their
high spectral resolution. However, the limitation of spatial resolution of imaging spectrometers …

Spatial-Spectral Attention Graph U-Nets for Hyperspectral Image Classification

K Qu, C Wang, Z Li, F Luo - IEEE Transactions on Geoscience …, 2023 - ieeexplore.ieee.org
Graph neural networks (GNNs) have outstanding performance in modeling global spatial
information dependence, which makes them very suitable for the complex and diverse …

Multispectral and hyperspectral image fusion based on regularized coupled non-negative block-term tensor decomposition

H Guo, W Bao, K Qu, X Ma, M Cao - Remote Sensing, 2022 - mdpi.com
The problem of multispectral and hyperspectral image fusion (MHF) is to reconstruct images
by fusing the spatial information of multispectral images and the spectral information of …

Hyperspectral Unmixing Using Reweighted Unidirectional TV Low-Rank NTF with Multiple-Factor Collaboration Regularization

K Qu, Z Li, X Luo, W Bao, F Luo - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
The purpose of hyperspectral unmixing (HU) is to extract the spectral signatures and their
proportion fractions from the hyperspectral remote sensing image (HSIs), which is a crucial …

Hyperspectral Image Super-Resolution Algorithm Based on Graph Regular Tensor Ring Decomposition

S Sun, W Bao, K Qu, W Feng, X Zhang, X Ma - Remote Sensing, 2023 - mdpi.com
This paper introduces a novel hyperspectral image super-resolution algorithm based on
graph-regularized tensor ring decomposition aimed at resolving the challenges of hyperspectral …

Spatial-spectral hyperspectral endmember extraction using a spatial energy prior constrained maximum simplex volume approach

X Shen, W Bao, K Qu - IEEE Journal of Selected Topics in …, 2020 - ieeexplore.ieee.org
Endmember extraction algorithms (EEAs) are among the most commonly discussed types of
hyperspectral image processing in the past three decades. This article proposes a spatial …

Graph-Guided Bayesian Factor Model for Integrative Analysis of Multi-modal Data with Noisy Network Information

W Li, Q Zhang, K Qu, Q Long - Statistics in Biosciences, 2024 - Springer
There is a growing body of literature on factor analysis that can capture individual and shared
structures in multi-modal data. However, few of these approaches incorporate biological …