2026 Charles K. Chui: Mathematics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Mathematics	57	664	564	35	34	407	26590

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Mathematics

664

564

407

26590

Research.com Recognitions

1994 - IEEE Fellow For contributions to approximation and wavelet theories and to their application to signal processing.

Overview

Charles K. Chui is affiliated with Hong Kong Baptist University in China and has contributed extensively to the fields of computer science and engineering. Their research spans computer vision and pattern recognition, signal processing, control and systems engineering, artificial intelligence, and civil and structural engineering.

The scientist's primary research topics include:

Blind Source Separation Techniques
Machine Fault Diagnosis Techniques
Image and Signal Denoising Methods
Human Pose and Action Recognition
Speech and Audio Processing
Anomaly Detection Techniques and Applications
Multimodal Machine Learning Applications

Charles K. Chui's notable recent publications include:

"Time-scale-chirp_rate operator for recovery of non-stationary signal components with crossover instantaneous frequency curves," 2021, Applied and Computational Harmonic Analysis
"Analysis of an adaptive short-time Fourier transform-based multicomponent signal separation method derived from linear chirp local approximation," 2021, Journal of Computational and Applied Mathematics
"Signal separation based on adaptive continuous wavelet-like transform and analysis," 2021, Applied and Computational Harmonic Analysis

Additionally, papers where Charles K. Chui is involved as a coauthor or collaborator appear in notable venues such as:

IEEE Transactions on Neural Networks and Learning Systems
Applied and Computational Harmonic Analysis
Journal of Computational and Applied Mathematics
IEEE Transactions on Signal Processing
arXiv (Cornell University)

Frequent collaborators include:

Qingtang Jiang
Lin Li
Jian Lü
Saghir Alfasly
Xu Chen

Charles K. Chui was recognized as an IEEE Fellow in 1994 for contributions to approximation and wavelet theories and their application to signal processing.

Best Publications

An introduction to wavelets

Charles K. Chui

7199
Citations
A symmetric image encryption scheme based on 3D chaotic cat maps

Guanrong Chen;Yaobin Mao;Charles K. Chui;Charles K. Chui

2655
Citations
Wavelets: A Tutorial in Theory and Applications

Charles K. Chui

1275
Citations
A universal noise removal algorithm with an impulse detector

R. Garnett;T. Huegerich;C. Chui;Wenjie He

814
Citations
Wavelets: A Mathematical Tool for Signal Analysis

Charles K. Chui

756
Citations
A study of orthonormal multi-wavelets

Charles K. Chui;Jian-ao Lian

687
Citations
On compactly supported spline wavelets and a duality principle

Charles K. Chui;Jian-zhong Wang

646
Citations
Wavelets on a Bounded Interval

Charles K. Chui;Ewald Quak

476
Citations
Linear frequency-modulated signal detection using Radon-ambiguity transform

Minsheng Wang;A.K. Chan;C.K. Chui

439
Citations
Compactly supported tight and sibling frames with maximum vanishing moments

Charles K. Chui;Wenjie He;Joachim Stöckler

356
Citations
Wavelet Analysis and Its Applications

Charles K. Chui

349
Citations
On solving first-kind integral equations using wavelets on a bounded interval

J.C. Goswami;A.K. Chan;C.K. Chui

344
Citations
A cardinal spline approach to wavelets

Charles K. Chui;Jian-zhong Wang

323
Citations
Compactly supported tight frames associated with refinable functions

Charles K. Chui;Wenjie He

307
Citations
Approximation by ridge functions and neural networks with one hidden layer

Charles K. Chui;Xin Li

238
Citations
Wavelets : theory, algorithms, and applications

Charles K. Chui;Laura Montefusco;Luigia Puccio

230
Citations
An Introduction to Wavelets.

Charles K. Chui

228
Citations
A general framework of compactly supported splines and wavelets

Charles K. Chui;Jian-Zhong Wang

225
Citations
Multi-resolution image data management system and method based on tiled wavelet-like transform and distinct bitstreams for distinct groups of bit planes

Charles K. Chui;Hong-Ye Gao;Lefan Zhong

221
Citations
Construction of Compactly Supported Symmetric and Antisymmetric Orthonormal Wavelets with Scale = 3

Charles K. Chui;Jian-ao Lian

195
Citations
Approximation Theory II

G G Lorentz;C K Chui;L L Schumaker

195
Citations
Approximation Theory IV

C. K. Chui;L. L. Schumaker;J. D. Ward

115
Citations

Frequent Co-Authors

Guanrong Chen City University of Hong Kong

Hrushikesh N. Mhaskar Claremont Graduate University

Joseph D. Ward Texas A&M University

Larry L. Schumaker Vanderbilt University

Ding-Xuan Zhou University of Sydney

Qiyu Sun University of Central Florida

Francis J. Narcowich Texas A&M University

Seungyong Lee Pohang University of Science and Technology

Akram Aldroubi Vanderbilt University

Paul L. Stoffa The University of Texas at Austin

External Links

Personal website of Charles K. Chui

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