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Quaternion-based multiscale analysis for feature extraction of hyperspectral images Journal article
IEEE Transactions on Signal Processing, 2019,Volume: 67,Issue: 6,Page: 1418-1430
Authors:  Li H.;  Li H.;  Zhang L.
Favorite | View/Download:7/0 | TC[WOS]:9 TC[Scopus]:9 | Submit date:2019/04/04
Feature extraction  multiscale feature histograms  principal component analysis (PCA)  quaternion Weber local descriptor (QWLD)  
Plancherel theorem and quaternion Fourier transform for square integrable functions Journal article
COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 2019,Volume: 64,Issue: 2,Page: 223-242
Authors:  Cheng, Dong;  Kou, Kit Ian
Favorite | View/Download:18/0 | TC[WOS]:10 TC[Scopus]:12 | Submit date:2019/01/17
Quaternion Fourier transforms  multiplication formula  inversion theorem  Plancherel theorem  linear canonical transform  
Two-dimensional Quaternion PCA and Sparse PCA Journal article
IEEE Transactions on Neural Networks and Learning Systems, 2018,Page: 1 - 15
Authors:  Xiaolin Xiao;  Yicong Zhou
Favorite | View/Download:16/0 | TC[WOS]:0 TC[Scopus]:10 | Submit date:2019/03/26
2d-principle Component Analysis (2d-pca)  2d-quaternion Pca (2d-qPca)  2d-quaternion Sparse Pca (2d-qsPca)  Color Face Recognition  Feature Extraction  Partial Occlusions  Qpca  
Generalized sampling expansions associated with quaternion Fourier transform Journal article
MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 2018,Volume: 41,Issue: 11,Page: 4021-4032
Authors:  Cheng, Dong;  Kou, Kit Ian
Favorite | View/Download:22/0 | TC[WOS]:3 TC[Scopus]:3 | Submit date:2018/10/30
Quaternion-valued Signals  Quaternion Fourier Transform  Quaternion Linear Canonical Transform  Generalized Sampling Expansions  Generalized Translation  Convolution Theorem  
Laplace transform: a new approach in solving linear quaternion differential equations Journal article
MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 2018,Volume: 41,Issue: 11,Page: 4033-4048
Authors:  Cai, Zhen-Feng;  Kou, Kit Ian
Favorite | View/Download:34/0 | TC[WOS]:8 TC[Scopus]:8 | Submit date:2018/10/30
Quaternion  Quaternion Differential Equations  Initial Value Problems  Laplace Transform  
Solving Quaternion Ordinary Differential Equations with Two-Sided Coefficients Journal article
QUALITATIVE THEORY OF DYNAMICAL SYSTEMS, 2018,Volume: 17,Issue: 2,Page: 441-462
Authors:  Cai, Zhen Feng;  Kou, Kit Ian
Favorite | View/Download:20/0 | TC[WOS]:3 TC[Scopus]:3 | Submit date:2018/10/30
Differential Equations  Quaternions  Two-sided Coefficients  Solution  Noncommutativity  
Linear Quaternion Differential Equations: Basic Theory and Fundamental Results Journal article
STUDIES IN APPLIED MATHEMATICS, 2018,Volume: 141,Issue: 1,Page: 3-45
Authors:  Kou, Kit Ian;  Xia, Yong-Hui
Favorite | View/Download:33/0 | TC[WOS]:14 TC[Scopus]:14 | Submit date:2018/10/30
Quaternion Locality-Constrained Coding for Color Face Hallucination Journal article
IEEE TRANSACTIONS ON CYBERNETICS, 2018,Volume: 48,Issue: 5,Page: 1474-1485
Authors:  Liu, Licheng;  Li, Shutao;  Chen, C. L. Philip
Favorite | View/Download:18/0 | TC[WOS]:11 TC[Scopus]:14 | Submit date:2018/10/30
Color image processing  face hallucination  image super-resolution  locality-constrained coding (LCC)  quaternion algebra  
A UNIFIED ANALYSIS OF LINEAR QUATERNION DYNAMIC EQUATIONS ON TIME SCALES Journal article
JOURNAL OF APPLIED ANALYSIS AND COMPUTATION, 2018,Volume: 8,Issue: 1,Page: 172-201
Authors:  Cheng, Dong;  Kou, Kit Lan;  Xia, Yong Hui
Favorite | View/Download:30/0 | TC[WOS]:14 TC[Scopus]:14 | Submit date:2018/10/30
Dynamic systems on time scales  difference equations  fundamental solution matrix  quaternions  
A unified analysis of linear quaternion dynamic equations on time scales Journal article
Journal of Applied Analysis and Computation, 2018,Volume: 8,Issue: 1,Page: 172-201
Authors:  Cheng D.;  Kou K.I.;  Xia Y.H.
Favorite | View/Download:7/0 | TC[WOS]:14 TC[Scopus]:14 | Submit date:2019/02/13
Difference equations  Dynamic systems on time scales  Fundamental solution matrix  Quaternions