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Proceedings Paper

Open source portal to distributed image repositories
Author(s): Wenchao Tao; Osman M. Ratib M.D.; Hwa Kho; Yung-Chao Hsu; Cun Wang; Cason Lee; J. Michael McCoy M.D.
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Paper Abstract

In large institution PACS, patient data may often reside in multiple separate systems. While most systems tend to be DICOM compliant, none of them offer the flexibility of seamless integration of multiple DICOM sources through a single access point. We developed a generic portal system with a web-based interactive front-end as well as an application programming interface (API) that allows both web users and client applications to query and retrieve image data from multiple DICOM sources. A set of software tools was developed to allow accessing several DICOM archives through a single point of access. An interactive web-based front-end allows user to search image data seamlessly from the different archives and display the results or route the image data to another DICOM compliant destination. An XML-based API allows other software programs to easily benefit from this portal to query and retrieve image data as well. Various techniques are employed to minimize the performance overhead inherent in the DICOM. The system is integrated with a hospital-wide HIPAA-compliant authentication and auditing service that provides centralized management of access to patient medical records. The system is provided under open source free licensing and developed using open-source components (Apache Tomcat for web server, MySQL for database, OJB for object/relational data mapping etc.). The portal paradigm offers a convenient and effective solution for accessing multiple image data sources in a given healthcare enterprise and can easily be extended to multi-institution through appropriate security and encryption mechanisms.

Paper Details

Date Published: 19 April 2004
PDF: 10 pages
Proc. SPIE 5371, Medical Imaging 2004: PACS and Imaging Informatics, (19 April 2004); doi: 10.1117/12.535582
Show Author Affiliations
Wenchao Tao, Univ. of California/Los Angeles (United States)
Osman M. Ratib M.D., Univ. of California/Los Angeles (United States)
Hwa Kho, Univ. of California/Los Angeles (United States)
Yung-Chao Hsu, Univ. of California/Los Angeles (United States)
Cun Wang, Univ. of California/Los Angeles (United States)
Cason Lee, Univ. of California/Los Angeles (United States)
J. Michael McCoy M.D., Univ. of California/Los Angeles (United States)


Published in SPIE Proceedings Vol. 5371:
Medical Imaging 2004: PACS and Imaging Informatics
Osman M. Ratib; H. K. Huang, Editor(s)

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