Browsing by Author "Wambugu, Geoffrey M."
Now showing items 1-8 of 8
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A Comparative Study of Deep Learning and Transfer Learning in Detection of Diabetic Retinopathy
Kamiri, Jackson; Wambugu, Geoffrey M.; Oirere, Aaron M. (2022)Computer vision has gained momentum in medical imaging tasks. Deep learning and Transfer learning are some of the approaches used in computer vision. The aim of this research was to do a comparative study of deep learning ... -
Developing Hybrid-Based Recommender System with Naïve Bayes Optimization to Increase Prediction Efficiency
Ndung'u, Rachel N.; Kamau, Gabriel N.; Wambugu, Geoffrey M. (2021-03)Commerce and entertainment world today have shifted to the digital platforms where customer preferences are suggested by recommender systems. Recommendations have been made using a variety of methods such as content-based, ... -
Discriminative spatial-temporal feature learning for modeling network intrusion detection systems
Wanjau, Stephen K.; Wambugu, Geoffrey M.; Oirere, Aaron M.; Muketha, Geoffrey M. (Journal of Computer Security, 2023-02)Increasing interest and advancement of internet and communication technologies have made network security rise as a vibrant research domain. Network intrusion detection systems (NIDSs) have developed as indispensable defense ... -
Evaluating Linear and Non-linear Dimensionality Reduction Approaches for Deep Learning-based Network Intrusion Detection Systems
Wanjau, Stephen K.; Wambugu, Geoffrey M.; Oirere, Aaron M. (2023-08-08)Dimensionality reduction is an essential ingredient of machine learning modelling that seeks to improve the performance of such models by extracting better quality features from data while removing irrelevant and redundant ... -
Factors Affecting Software Maintenance Cost of Python Programs
Mukunga, Catherine W.; Ndia, John G.; Wambugu, Geoffrey M. (2022)One of the primary areas of software project management is cost estimation. The cost estimation problem remains unsolved today because of the ineffective cost estimation techniques which are unsuitable for handling current ... -
A Metrics-Based Model for Estimating the Maintenance Effort of Python Software
Mukunga, Catherine W.; Ndia, John G.; Wambugu, Geoffrey M. (2023-05)Software project management includes a substantial area for estimating software maintenance effort. Estimation of software maintenance effort improves the overall performance and efficiency of software. The Constructive ... -
Network Intrusion Detection Systems: A Systematic Literature Review of Hybrid Deep Learning Approaches
Wanjau, Stephen K.; Wambugu, Geoffrey M.; Oirere, Aaron M. (2022-06)Network Intrusion Detection Systems (NIDSs) have become standard security solutions that endeavours to discover unauthorized access to an organizational computer network by scrutinizing incoming and outgoing network traffic ... -
A New Complexity Metric for UML Sequence Diagrams
Maina, Nevy K.; Muketha, Geoffrey M.; Wambugu, Geoffrey M. (2023-01)Object-Oriented Programming (OOP) has been promoted as a way to produce high-quality software while increasing developer productivity through code reuse. Software systems and underlying designs get more extensive and more ...