Author: Law, Leo Kwong Kuen
Title: Imaging information system for patients' valuable in a psychiatric hospital
Degree: M.Sc.
Year: 1996
Subject: Psychiatric hospitals -- Records -- Data processing
Imaging systems
Hong Kong Polytechnic University -- Dissertations
Department: Department of Computing
Pages: 47, [13] leaves ; 31 cm
Language: English
Abstract: Computers have been used to process pictures for almost thirty years, and the technology of digital image handling is developing rapidly. Applications in diverse fields, including geology, medicine and military, effectively utilize digital image handling technology. The present Study explores a practical way to implement a simple image handling application in transaction processing system, and discusses issues in relation to the implementation, including design concepts for computer software used for image handling. Such a simple approach has been used to demonstrate the practical and general use of image handling for any type of information systems and to show that the image handling is simple and extremely useful as it can achieve "What You See Is What You Deposit". Furthermore, this image handling system is considered to be simple and affordable so as to make its use more popular in public services sector. Within the province of database systems, a centralized approach is more appropriate than a distributed approach for this Patient Valuable Information System (PVIS) because of its emphasis on tight security control, simpler structure, lower costs and shorter development time. With respect to the software design, a structured approach has been adopted to reduce the system complexity into a number of manageable subsystems (or events). In this PVIS, there are three events, namely : Transaction, Enquiry, and Report. As a result, the system becomes easier to construct and maintain leading to a reduction in cost and an enhancement in system reliability. To reduce programming burden and increase maintainability, PowerBuilder has been adopted as the development programming
Rights: All rights reserved
Access: restricted access

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