Effective anomaly space for hyperspectral anomaly detection

CI Chang - IEEE Transactions on Geoscience and Remote …, 2022 - ieeexplore.ieee.org
Due to unavailability of prior knowledge about anomalies, background suppression (BS) is a
crucial factor in anomaly detection (AD) evaluation. The difficulty in dealing with BS arises …

Regional clustering-based spatial preprocessing for hyperspectral unmixing

X Xu, J Li, C Wu, A Plaza - Remote Sensing of Environment, 2018 - Elsevier
Hyperspectral unmixing is an important technique for remote sensing image exploitation. It
aims to decompose a mixed pixel into a collection of spectrally pure components (called …

Conditional random field and deep feature learning for hyperspectral image classification

FI Alam, J Zhou, AWC Liew, X Jia… - … on Geoscience and …, 2018 - ieeexplore.ieee.org
Image classification is considered to be one of the critical tasks in hyperspectral remote
sensing image processing. Recently, a convolutional neural network (CNN) has established …

SLIC superpixels for efficient graph-based dimensionality reduction of hyperspectral imagery

X Zhang, SE Chew, Z Xu… - … and technologies for …, 2015 - spiedigitallibrary.org
Nonlinear graph-based dimensionality reduction algorithms such as Laplacian Eigenmaps
(LE) and Schroedinger Eigenmaps (SE) have been shown to be very effective at yielding …

Q-seg: Quantum annealing-based unsupervised image segmentation

SM Venkatesh, A Macaluso, M Nuske… - IEEE Computer …, 2024 - ieeexplore.ieee.org
We present Q-Seg, a novel unsupervised image segmentation method based on quantum
annealing, tailored for existing quantum hardware. We formulate the pixelwise segmentation …

Schroedinger eigenmaps with nondiagonal potentials for spatial-spectral clustering of hyperspectral imagery

ND Cahill, W Czaja… - … and technologies for …, 2014 - spiedigitallibrary.org
Schroedinger Eigenmaps (SE) has recently emerged as a powerful graph-based technique
for semi-supervised manifold learning and recovery. By extending the Laplacian of a graph …

Graph‐based spatial–spectral feature learning for hyperspectral image classification

M Ahmad, AM Khan, R Hussain - IET image processing, 2017 - Wiley Online Library
Classifying hyperspectral data within high dimensionality is a challenging task. To cope with
this issue, this study implements a semi‐supervised multi‐kernel class consistency …

A metaheuristic framework based automated Spatial-Spectral graph for land cover classification from multispectral and hyperspectral satellite images

S Suresh, S Lal - Infrared Physics & Technology, 2020 - Elsevier
Land cover classification of satellite images has been a very predominant area since the last
few years. An increase in the amount of information acquired by satellite imaging systems …

A graph Laplacian regularization for hyperspectral data unmixing

R Ammanouil, A Ferrari… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
This paper introduces a graph Laplacian regularization in the hyperspectral unmixing
formulation. The proposed regularization relies upon the construction of a graph …

Unsupervised segmentation of LiDAR fused hyperspectral imagery using pointwise mutual information

O Torun, SE Yuksel - International Journal of Remote Sensing, 2021 - Taylor & Francis
In the segmentation of hyperspectral images (HSI), difficulties arise when different objects
with similar spectral characteristics are being distinguished. If these objects with similar …