Partitioned relief-F method for dimensionality reduction of hyperspectral images

J Ren, R Wang, G Liu, R Feng, Y Wang, W Wu - Remote Sensing, 2020 - mdpi.com
… of clusters in advance. The core of the algorithm is to construct a clustering feature (CF) tree
for hierarchical clustering, where CF is a triple that summarizes the information of the cluster. …

Dimensionality reduction of hyperspectral imagery based on spatial–spectral manifold learning

H Huang, G Shi, H He, Y Duan… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
framework for hyperspectral imagery classification,” IEEE Trans. Cybern., vol. 48, no. …
clustering for hyperspectral image band selection,” IEEE Trans. Geosci. Remote Sens., vol. …

Hierarchical sparse subspace clustering (HESSC): An automatic approach for hyperspectral image analysis

K Rafiezadeh Shahi, M Khodadadzadeh, L Tusa… - Remote Sensing, 2020 - mdpi.com
… attempt to use ECC in the HSI analysis framework. ECC initially uses a basic … a hierarchical
clustering algorithm (HESSC) that analyzes HSIs in a robust and fast manner. A hierarchical

Auto encoder based dimensionality reduction and classification using convolutional neural networks for hyperspectral images

M Ramamurthy, YH Robinson, S Vimal… - Microprocessors and …, 2020 - Elsevier
… plays a vital role to enhance the performance while processing the Hyperspectral images. …
the neural network framework. Auto Encoder based dimensionality reduction is proposed for …

Dimensionality reduction of hyperspectral image based on local constrained manifold structure collaborative preserving embedding

G Shi, F Luo, Y Tang, Y Li - Remote sensing, 2021 - mdpi.com
… (GE) framework helps to redefine most DR algorithms in a unified framework, it characterizes
… The GE framework aims to represent a graph in a low dimensional space which preserves …

Novel hyperbolic clustering-based band hierarchy (HCBH) for effective unsupervised band selection of hyperspectral images

H Sun, L Zhang, J Ren, H Huang - Pattern Recognition, 2022 - Elsevier
… The dimensionality reduction methods of HSI is generally … framework are given, including
hyperbolic band hierarchy, … utilized to perform a hierarchical clustering and the total band …

Fused 3-D spectral-spatial deep neural networks and spectral clustering for hyperspectral image classification

A Sellami, AB Abbes, V Barra, IR Farah - Pattern Recognition Letters, 2020 - Elsevier
… Therefore, dimensionality reduction can be applied as a … on hierarchical clustering algorithm
in order to preserve the physical meaning of hyperspectral data ie, keep the initial spectral-…

Fast spectral clustering for unsupervised hyperspectral image classification

Y Zhao, Y Yuan, Q Wang - Remote Sensing, 2019 - mdpi.com
… One popular method for HSI classification is to first use dimension reduction and then follow
… among spectral bands, many feature extraction, band selection and dimension reduction

A fast and accurate similarity-constrained subspace clustering algorithm for hyperspectral image

C Hinojosa, E Vera, H Arguello - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
… sets of anchor points using a randomized hierarchical clustering method. Then, within each
set … . As a result, the computational complexity of spectral clustering in our framework is linear …

Nonlinear dimensionality reduction for clustering

S Tasoulis, NG Pavlidis, T Roos - Pattern Recognition, 2020 - Elsevier
… We introduce an approach to divisive hierarchical clustering that is capable of identifying
clusters in nonlinear manifolds. This approach uses the isometric mapping (Isomap) to …