An Agent-Based Infrastructure for Secure Medical Imaging System Integration
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This research examines the weaknesses of the trusted models applied on the domain of medical image sharing between PACS (Picturing Archiving and Communication System) and image-enabled EHR (Electronic Health Record) systems. In this paper, we propose an agent-based infrastructure in legacy PACS systems to integrate them regardless of vendors, with a common infrastructure that we proposed in our earlier work. The proposed architecture allows for capturing PACS communication messages, identifying users, extracting user actions to feed into an action-based access control mechanism, and integrating with modern authentication and authorization technologies (OpenID and OAuth). We also provide a UML model for the patient consent directives to allow for systematic enforcement of their impact on the proposed access control technique. Finally, we implemented a prototype of the proposed architecture using open source tools to demonstrate the feasibility and extendibility of our proposed solution.
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