Sparse Unmixing of Hyperspectral Data Using Spectral A Priori Information

W Tang, Z Shi, Y Wu, C Zhang - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Given a spectral library, sparse unmixing aims at finding the optimal subset of endmembers
from it to model each pixel in the hyperspectral scene. However, sparse unmixing still …

Spectral–spatial joint sparse NMF for hyperspectral unmixing

L Dong, Y Yuan, X Luxs - IEEE Transactions on Geoscience …, 2020 - ieeexplore.ieee.org
The nonnegative matrix factorization (NMF) combining with spatial-spectral contextual
information is an important technique for extracting endmembers and abundances of …

Semiblind hyperspectral unmixing in the presence of spectral library mismatches

X Fu, WK Ma, JM Bioucas-Dias… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The dictionary-aided sparse regression (SR) approach has recently emerged as a promising
alternative to hyperspectral unmixing in remote sensing. By using an available spectral …

Collaborative Sparse Hyperspectral Unmixing Using Norm

Z Shi, T Shi, M Zhou, X Xu - IEEE Transactions on Geoscience …, 2018 - ieeexplore.ieee.org
Sparse unmixing has been applied on hyperspectral imagery popularly in recent years. It
assumes that every observed signature is a linear combination of just a few spectra (end …

A novel spectral-unmixing-based green algae area estimation method for GOCI data

B Pan, Z Shi, Z An, Z Jiang, Y Ma - IEEE Journal of Selected …, 2016 - ieeexplore.ieee.org
Geostationary Ocean Color Imager (GOCI) data have been widely used in the detection and
area estimation of green algae blooms. However, due to the low spatial resolution of GOCI …

Estimation of mineral abundance from hyperspectral data using a new supervised neighbor-band ratio unmixing approach

K Siebels, K Goïta, M Germain - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article compares the ability of nine unmixing models, including radiative transfer (RT)
models as well as a new nonlinear unmixing approach called neighbor-band ratio unmixing …

Sparse unmixing of hyperspectral data with bandwise model

C Li, Y Liu, J Cheng, R Song, J Ma, C Sui, X Chen - Information sciences, 2020 - Elsevier
Sparse unmixing has long been a hot research topic in the area of hyperspectral image
(HSI) analysis. Most of the traditional sparse unmixing methods usually assume to only take …

Metric similarity regularizer to enhance pixel similarity performance for hyperspectral unmixing

M Ahmad, AK Bashir, AM Khan - Optik, 2017 - Elsevier
Hyperspectral linear unmixing refers to the process that separates the pixels spectra from
hyperspectral image into a collection of spectral signatures referred as endmembers and …

0-Norm Sparse Hyperspectral Unmixing Using Arctan Smoothing

Y Esmaeili Salehani, S Gazor, IM Kim, S Yousefi - Remote Sensing, 2016 - mdpi.com
The goal of sparse linear hyperspectral unmixing is to determine a scanty subset of spectral
signatures of materials contained in each mixed pixel and to estimate their fractional …

Adaptive non-local Euclidean medians sparse unmixing for hyperspectral imagery

R Feng, Y Zhong, L Zhang - ISPRS journal of photogrammetry and remote …, 2014 - Elsevier
Sparse unmixing models based on sparse representation theory and a sparse regression
model have been successfully applied to hyperspectral remote sensing image unmixing. To …