Digital Archiving of Learner’s Credentials Using Discrete Cosine Transform Algorithm

Abstract

Digital archiving has revolutionized the preservation and accessibility of handling different forms of data in the digital age. This study investigates the efficacy of storing and retrieving submitted documents using Full-Text Indexing and Boolean Search for searching and retrieval of documents uploaded and Discrete Cosine Transform (DCT) algorithm for the context of image compression evaluated using ISO 25010 standard and user acceptability test. Through a comparative analysis from a series of related studies, this research study identifies common challenges, innovative approaches and algorithms in digital archiving useful in automated storage and retrieval. Unified process model that includes use case diagram, sequence diagram and activity diagram were adapted for requirement analysis while black box testing and white box for testing operation. ISO 25010 standard and user acceptability test were utilized for system evaluation where respondents were chosen through purposive sampling technique. Respondents were the target end users with the participation of IT practitioners who are knowledgeable enough in system development and the system’s full functionality. Results show that this study solves the underlying problems on storage and retrieval, thus limiting duplication of submitted documents. Findings highlight that functional suitability, reliability, portability, usability, performance efficiency, security, compatibility and maintainability of the system conforms to the ISO 25010 standard, easing the burden in handling documents submission and easily retrieving it.