Improved transmission of vector quantized data over noisy channels

CS Leung, J Sum, H Chan - Neural Computing and Applications, 2008 - Springer
The conventional channel-optimized vector quantization (COVQ) is very powerful in the
protection of vector quantization (VQ) data over noisy channels. However, it suffers from the time …

A fault-tolerant regularizer for RBF networks

CS Leung, JPF Sum - IEEE Transactions on Neural Networks, 2008 - ieeexplore.ieee.org
In classical training methods for node open fault, we need to consider many potential faulty
networks. When the multinode fault situation is considered, the space of potential faulty …

An empirical study on patients' acceptance and resistance towards electronic health record sharing system: a case study of Hong Kong

KL Keung, C Lee, KKH Ng, SS Leung… - International Journal of …, 2018 - igi-global.com
This article aims at identifying significant factors influencing behavioural intention and
resistance of patients toward electronic health record sharing systems by using PLS-SEM. A …

Recurrent networks for compressive sampling

CS Leung, J Sum, AG Constantinides - Neurocomputing, 2014 - Elsevier
This paper develops two neural network models, based on Lagrange programming neural
networks (LPNNs), for recovering sparse signals in compressive sampling. The first model is …

A Distributed kWTA for Decentralized Auctions

G Sum, J Sum, A Chi-Sing Leung… - … Conference on Neural …, 2023 - Springer
A distributed k-Winner-Take-All (kWTA) is presented in this paper. Its state-space model is
given by d dt x i ( t ) = - h ( x i ( t ) + u i ) - k n + β ∑ j ∈ N i ( x i ( t ) - x j ( t ) ) z i ( x i ( t ) ) = h ( x i …

Attraction Basin of Bidirectional Associative Memories

CHIS LEUNG, LAIWAN CHAN, J Sum - International Journal of …, 1996 - World Scientific
In this paper, we investigate the attraction basin of the bidirectional associative memory (BAM)
model. The BAM is a two-layer heteroassociator that stores a prescribed set of bipolar …

Analysis on a mobile agent-based algorithm for network routing and management

J Sum, H Shen, C Leung… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
Ant routing is a method for network routing in agent technology. Although its effectiveness
and efficiency have been demonstrated and reported in the literature, its properties have not …

Sparse recovery under nonnegativity and sum-to-one constraints

XP Li, CS Leung, HC So - Information Sciences, 2024 - Elsevier
… Additionally, the sum of these percentages should equal 1. A similar requirement for the two
… to attain the target sparsity level, resulting in the sum being not equal to 1. Furthermore, a …

On the Kalman filtering method in neural network training and pruning

J Sum, CS Leung, GH Young… - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
In the use of the extended Kalman filter approach in training and pruning a feedforward neural
network, one usually encounters the problems of how to set the initial condition and how …

Perceptron: Learning, generalization, model selection, fault tolerance, and role in the deep learning era

KL Du, CS Leung, WH Mow, MNS Swamy - Mathematics, 2022 - mdpi.com
The single-layer perceptron, introduced by Rosenblatt in 1958, is one of the earliest and
simplest neural network models. However, it is incapable of classifying linearly inseparable …