Results 1 to 10 of about 132 (99)

Non-Negative Matrix Factorization Based on Smoothing and Sparse Constraints for Hyperspectral Unmixing [PDF]

open access: yesSensors, 2022
Hyperspectral unmixing (HU) is a technique for estimating a set of pure source signals (end members) and their proportions (abundances) from each pixel of the hyperspectral image.
Xiangxiang Jia, Baofeng Guo
doaj   +2 more sources

DMAE-HU: A novel deep multitasking autoencoder for hybrid hyperspectral unmixing in remote sensing

open access: yesICT Express
Hyperspectral unmixing (HU) is crucial for extracting material information from hyperspectral images (HSI) obtained through remote sensing. Although linear unmixing methods are widely used due to their simplicity, they only address linear mixing effects.
Suresh Aala   +8 more
doaj   +2 more sources

Spatial-Channel Multiscale Transformer Network for Hyperspectral Unmixing [PDF]

open access: yesSensors
In recent years, deep learning (DL) has been demonstrated remarkable capabilities in hyperspectral unmixing (HU) due to its powerful feature representation ability. Convolutional neural networks (CNNs) are effective in capturing local spatial information,
Haixin Sun   +4 more
doaj   +2 more sources

Efficient Blind Hyperspectral Unmixing Framework Based on CUR Decomposition (CUR-HU)

open access: yesRemote Sensing
Hyperspectral imaging captures detailed spectral data for remote sensing. However, due to the limited spatial resolution of hyperspectral sensors, each pixel of a hyperspectral image (HSI) may contain information from multiple materials.
Muhammad A. A. Abdelgawad   +2 more
doaj   +2 more sources

Maximum Likelihood Estimation Based Nonnegative Matrix Factorization for Hyperspectral Unmixing

open access: yesRemote Sensing, 2021
Hyperspectral unmixing (HU) is a research hotspot of hyperspectral remote sensing technology. As a classical HU method, the nonnegative matrix factorization (NMF) unmixing method can decompose an observed hyperspectral data matrix into the product of two
Qin Jiang   +4 more
doaj   +1 more source

GAUSS: Guided encoder - decoder Architecture for hyperspectral Unmixing with Spatial Smoothness

open access: yesEuropean Journal of Remote Sensing, 2023
This study introduces GAUSS (Guided encoder-decoder Architecture for hyperspectral Unmixing with Spatial Smoothness), a novel autoencoder-based architecture for hyperspectral unmixing (HU).
H.M.K.D. Wickramathilaka   +10 more
doaj   +1 more source

A Sparse Topic Relaxion and Group Clustering Model for Hyperspectral Unmixing

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Hyperspectral unmixing (HU) has been a hot research topic in the field of hyperspectral remote sensing. In recent years, the employment of the probabilistic topic model to acquire the latent topics of hyperspectral images has been an effective method for
Qiqi Zhu   +4 more
doaj   +1 more source

Multi-stage convolutional autoencoder network for hyperspectral unmixing

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Hyperspectral unmixing (HU) is a fundamental and critical task in various hyperspectral image (HSI) applications. Over the past few years, the linear mixing model (LMM) has received widely attention for its high efficiency, definite physical meaning, and
Yang Yu   +5 more
doaj   +1 more source

Synthesis of Synthetic Hyperspectral Images with Controllable Spectral Variability Using a Generative Adversarial Network

open access: yesRemote Sensing, 2023
In hyperspectral unmixing (HU), spectral variability in hyperspectral images (HSIs) is a major challenge which has received a lot of attention over the last few years.
Burkni Palsson   +2 more
doaj   +1 more source

Blind Hyperspectral Unmixing Using Autoencoders: A Critical Comparison

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Deep learning (DL) has heavily impacted the data-intensive field of remote sensing. Autoencoders are a type of DL methods that have been found to be powerful for blind hyperspectral unmixing (HU). HU is the process of resolving the measured spectrum of a
Burkni Palsson   +2 more
doaj   +1 more source

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