Title	Improved Resource Allocation Model for Reducing Interference among Secondary Users in TV White Space for Broadband Services
Author	Marco P. Mwaimu, Mike Majham, Ronoh Kennedy, Kisangiri Michael, Ramadhani Sinde
Citation	Vol. 23  No. 4  pp. 55-68
Keywords	Admission control algorithm; Cognitive Radio Networks; Effective Link Gain Ratio Algorithm; TV Whitespace; Resource allocation

Title	Traffic Signal Recognition System Based on Color and Time for Visually Impaired
Author	P. Kamakshi
Citation	Vol. 23  No. 4  pp. 48-54
Keywords	Convolutional Neural Networks, traffic signal, countdown timer, text-to-speech

Title	Multi-Focus Image Fusion Using Transformation Techniques: A Comparative Analysis
Author	Ali Alferaidi
Citation	Vol. 23  No. 4  pp. 39-47
Keywords	Multi-focus image fusion, comparative analysis, Transformation methods, DCT-LP, qualitative and quantitative evaluation

Title	Evaluation of Blackboard Use by Faculty Members at Umm Al-Qura University During the COVID-19 Pandemic
Author	Deena Alghamdi
Citation	Vol. 23  No. 4  pp. 32-38
Keywords	Blackboard, COVID-19, faculty member, Umm Al-Qura University