2019
DOI: 10.3390/rs11192288
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Gaussian Process Graph-Based Discriminant Analysis for Hyperspectral Images Classification

Abstract: Dimensionality Reduction (DR) models are highly useful for tackling Hyperspectral Images (HSIs) classification tasks. They mainly address two issues: the curse of dimensionality with respect to spectral features, and the limited number of labeled training samples. Among these DR techniques, the Graph-Embedding Discriminant Analysis (GEDA) framework has demonstrated its effectiveness for HSIs feature extraction. However, most of the existing GEDA-based DR methods largely rely on manually tuning the parameters s… Show more

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Cited by 6 publications
(5 citation statements)
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“…Remote sensing utilizes modern carrying tools and sensors to acquire the electromagnetic wave characteristics of target objects from a distance. It involves the transmission, storage, correction, and interpretation of information to analyze changes in the shape, location, nature, and state of the target This redundancy not only affects the classification performance of algorithms but also leads to lower efficiency in algorithm execution [16,17].…”
Section: Characteristics and Challenges Of Hyperspectral Remote Sensi...mentioning
confidence: 99%
“…Remote sensing utilizes modern carrying tools and sensors to acquire the electromagnetic wave characteristics of target objects from a distance. It involves the transmission, storage, correction, and interpretation of information to analyze changes in the shape, location, nature, and state of the target This redundancy not only affects the classification performance of algorithms but also leads to lower efficiency in algorithm execution [16,17].…”
Section: Characteristics and Challenges Of Hyperspectral Remote Sensi...mentioning
confidence: 99%
“…However, most of the research on GP methods is limited to tests and applications performed on objects with simple geometries. Consequently, whether these algorithms are capable of dealing with multiscale complex surfaces is not yet clear [36,54,[84][85][86]. Additionally, the implementation of GP algorithms simplifies the real modelling process into a set of GP equations [81].…”
Section: Advantages and Limitations Of User-dependent And -Independen...mentioning
confidence: 99%
“…Factors like solar elevation and cloud cover also have a uniform effect on all bands of the hyperspectral imagery, further enhancing inter-band correlation. The strong correlation among bands leads to low algorithmic efficiency [14][15][16].…”
Section: Introduction 1characteristics and Challenges Of Hyperspectra...mentioning
confidence: 99%