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Quaternion discrete fractional Krawtchouk transform and its application in color image encryption and watermarking Journal article
Signal Processing, 2021,Volume: 189
Authors:  Liu, Xilin;  Wu, Yongfei;  Zhang, Hao;  Wu, Jiasong;  Zhang, Liming
Favorite |  | TC[WOS]:2 TC[Scopus]:4 | Submit date:2022/05/13
Color image encryption  Color image watermarking  Quaternion discrete fractional Krawtchouk transform  
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
Favorite |  | TC[WOS]:0 TC[Scopus]:2 | Submit date:2019/03/26
Qsda  Feature Extraction  Color Face Recognition  Partial Occlusion  
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 |  | TC[WOS]:27 TC[Scopus]:26 | 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 |  | TC[WOS]:15 TC[Scopus]:16 | 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 D.;  Kou K.I.;  Xia Y.H.
Favorite |  | TC[WOS]:20 TC[Scopus]:19 | Submit date:2019/02/13
Difference equations  Dynamic systems on time scales  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, Dong;  Kou, Kit Lan;  Xia, Yong Hui
Favorite |  | TC[WOS]:20 TC[Scopus]:19 | Submit date:2018/10/30
Dynamic systems on time scales  difference equations  fundamental solution matrix  quaternions  
A Frame Theory of Hardy Spaces with the Quaternionic and the Clifford Algebra Settings Journal article
ADVANCES IN APPLIED CLIFFORD ALGEBRAS, 2017,Volume: 27,Issue: 2,Page: 1073-1101
Authors:  Chen, Qiuhui;  Dang, Pei;  Qian, Tao
Favorite |  | TC[WOS]:1 TC[Scopus]:2 | Submit date:2018/10/30
Frame  Quaternion-hardy Space  Fourier Transform  Group Representation  
A color image enhancement algorithm based on quaternion representation of vector rotation Journal article
International Journal of Wavelets, Multiresolution and Information Processing, 2015,Volume: 13,Issue: 5
Authors:  Fangnian Lang;  Jiliu Zhou;  Yuan Yan Tang;  Zhaowei Shang
Favorite |  | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/02/11
Color Texture  Image Enhancement  Quaternion Algebra  Unsharp Masking Technique  Vector Rotation  
Asymptotic behaviour of the quaternion linear canonical transform and the Bochner-Minlos theorem Journal article
Applied Mathematics and Computation, 2014,Volume: 247,Page: 675-688
Authors:  Kou K.I.;  Morais J.
Favorite |  | TC[WOS]:32 TC[Scopus]:38 | Submit date:2019/02/13
Asymptotic Behaviour  Bochner-minlos Theorem  Positive Definitely Measure  Quaternion Linear Canonical Transform  Quaternionic Analysis  
Bochner-minlos theorem and quaternion Fourier transform Book
2013
Authors:  Georgiev S.;  Morais J.;  Kou K.I.;  Sprossig W.
Favorite |  | TC[WOS]:0 TC[Scopus]:9 | Submit date:2019/02/13
Asymptotic behaviour  Bochner-Minlos theorem  Positive definitely measure  Quaternion analysis  Quaternion fourier transform