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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.
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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:5/0  |  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:5/0  |  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  
Quaternion Sparse Discriminant Analysis for Color Face Recognition Conference paper
2018 IEEE International Conference on Multimedia and Expo (ICME), San Diego, CA, USA, 23-27 July 2018
Authors:  Xiaolin Xiao;  Yicong Zhou
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Qsda  Feature Extraction  Color Face Recognition  Partial Occlusion  
Two-Dimensional Quaternion Sparse Principal Component Analysis Conference paper
2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Calgary, AB, Canada, 15-20 April 2018
Authors:  Xiaolin Xiao;  Yicong Zhou
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2dpca  Quaternion  Sparse  Color Face Recognition  
Two-dimensional quaternion sparse principle component analysis Conference paper
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Authors:  Xiao X.;  Zhou Y.
Favorite  |  View/Download:2/0  |  Submit date:2018/12/21
2DPCA  Color face recognition  Quaternion  Sparse  
Phase-based edge detection algorithms Journal article
MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 2018,Volume: 41,Issue: 11,Page: 4148-4169
Authors:  Hu, Xiao-Xiao;  Kou, Kit Ian
Favorite  |  View/Download:7/0  |  Submit date:2018/10/30
edge detection  Hardy space  Plemelj-Sokhotzkis formulae  quaternion analytic signal  quaternion Fourier transform  
Phase-based edge detection algorithms Conference paper
Mathematical Methods in the Applied Sciences
Authors:  Hu X.-X.;  Kou K.I.
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edge detection  Hardy space  Plemelj-Sokhotzkis formulae  quaternion analytic signal  quaternion Fourier transform  
Laplace transform: a new approach in solving linear quaternion differential equations Conference paper
Mathematical Methods in the Applied Sciences
Authors:  Cai Z.-F.;  Kou K.I.
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initial value problems  Laplace transform  quaternion  quaternion differential equations  
Generalized sampling expansions associated with quaternion Fourier transform Conference paper
Mathematical Methods in the Applied Sciences
Authors:  Cheng D.;  Kou K.I.
Favorite  |  View/Download:0/0  |  Submit date:2019/02/13
convolution theorem  generalized sampling expansions  generalized translation  quaternion Fourier transform  quaternion linear canonical transform  Quaternion-valued signals