2018
DOI: 10.1109/lgrs.2018.2831215
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Isotropization of Quaternion-Neural-Network-Based PolSAR Adaptive Land Classification in Poincare-Sphere Parameter Space

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Cited by 34 publications
(14 citation statements)
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“…However, the common disadvantages of these methods are usually complicated parameter estimation and limited model applicability [27,28]. Recently, some classifiers with the training-testing format, which work directly on the PolSAR CV data, have constituted an active area of research [2,20,[29][30][31][32][33][34]. Among them, complex-valued networks provide results comparable to networks designed for real-valued input [32][33][34].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the common disadvantages of these methods are usually complicated parameter estimation and limited model applicability [27,28]. Recently, some classifiers with the training-testing format, which work directly on the PolSAR CV data, have constituted an active area of research [2,20,[29][30][31][32][33][34]. Among them, complex-valued networks provide results comparable to networks designed for real-valued input [32][33][34].…”
Section: Introductionmentioning
confidence: 99%
“…In addition, as we know, due to the imaging mechanism, PolSAR images are heavily contaminated by the inherent speckles [1]. Note that some of the aforementioned methods based on PolSAR matrices only consider the polarimetric characteristics [20,27,29,30]. The existence of speckles may make classification results include many misclassified pixels and degrade the quality of classification, especially when the training samples are limited [37,38].…”
Section: Introductionmentioning
confidence: 99%
“…Quaternion neural networks (QNNs) [17] have been employed for PolSAR land classification [18]- [20]. In QNN methods, a three dimensional vector is regarded as a single quaternion.…”
Section: Introductionmentioning
confidence: 99%
“…Shang et al [32] suggested a complexvalued feedforward neural networks in the Poincare sphere parameter space. Moreover, an improved quaternion neural network [33] and a quaternion autoencoder [34] have been proposed for PolSAR land classification. Recently, a complexvalued CNN (CV-CNN) specifically designed for PolSAR image classification has been proposed by Zhang et al [35], where the authors derived a complex backpropagation algorithm based on stochastic gradient descent for CV-CNN training.…”
Section: Introductionmentioning
confidence: 99%