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- Elaine Y. Chan, Wai-Ki Ching, Michael K. Ng, Joshua Zhexue Huang
- Pattern Recognition
- 2004

- Tatsuya Akutsu, Morihiro Hayashida, Wai-Ki Ching, Michael K. Ng
- Journal of theoretical biology
- 2007

Finding control strategies of cells is a challenging and important problem in the post-genomic era. This paper considers theoretical aspects of the control problem using the Boolean network (BN),â€¦ (More)

- Mila Nikolova, Michael K. Ng, Shuqin Zhang, Wai-Ki Ching
- SIAM J. Imaging Sciences
- 2008

We consider the restoration of piecewise constant images where the number of the regions and their values are not fixed in advance, with a good difference of piecewise constant values betweenâ€¦ (More)

- Fu-Rong Lin, Wai-Ki Ching, Michael K. Ng
- Theor. Comput. Sci.
- 2004

In this paper, we present an approximate inversion method for triangular Toeplitz matrices based on trigonometric polynomial interpolation. To obtain an approximate inverse of high accuracy for aâ€¦ (More)

- Wai-Ki Ching, Shuqin Zhang, Michael K. Ng, Tatsuya Akutsu
- Bioinformatics
- 2007

MOTIVATION
Probabilistic Boolean networks (PBNs) have been proposed to model genetic regulatory interactions. The steady-state probability distribution of a PBN gives important information about theâ€¦ (More)

Markov chains are commonly used in modeling many practical systems such as queuing systems, manufacturing systems and inventory systems. They are also effective in modeling categorical dataâ€¦ (More)

- You-Wei Wen, Michael K. Ng, Wai-Ki Ching
- SIAM J. Scientific Computing
- 2008

In this paper, we propose iterative algorithms for solving image restoration problems. The iterative algorithms are based on decoupling of deblurring and denoising steps in the restoration process.â€¦ (More)

- Chien-Chung Chao, H. W. Chen, X Li, W. B. Xu, B. Hanson, Wai-Ki Ching
- Annals of the New York Academy of Sciences
- 2005

The clinical diagnosis of Q fever is difficult. Whole cell antigens are currently used in several serological methods, but antigens are limited due to the hazardous nature of Coxiella burnetiiâ€¦ (More)

- Raymond H. Chan, Wai-Ki Ching
- SIAM J. Scientific Computing
- 1996

The preconditioned conjugate gradient method is employed to solve Toeplitz systems T n x = b where the generating functions of the n-by-n Toeplitz matrices T n are functions with zeros. In this case,â€¦ (More)

- Shuqin Zhang, Morihiro Hayashida, Tatsuya Akutsu, Wai-Ki Ching, Michael K. Ng
- EURASIP J. Bioinformatics and Systems Biology
- 2007

A Boolean network is a model used to study the interactions between different genes in genetic regulatory networks. In this paper, we present several algorithms using gene ordering and feedbackâ€¦ (More)