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Proceedings Paper

Distributed file management for remote clinical image-viewing stations
Author(s): Yves Ligier; Osman M. Ratib; Christian Girard; Marianne Logean; Gerhard Trayser
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Paper Abstract

The Geneva PACS is based on a distributed architecture, with different archive servers used to store all the image files produced by digital imaging modalities. Images can then be visualized on different display stations with the Osiris software. Image visualization require to have the image file physically present on the local station. Thus, images must be transferred from archive servers to local display stations in an acceptable way, which means fast and user friendly where the notion of file must be hidden to users. The transfer of image files is done according to different schemes including prefetching and direct image selection. Prefetching allows the retrieval of previous studies of a patient in advance. A direct image selection is also provided in order to retrieve images on request. When images are transferred locally on the display station, they are stored in Papyrus files, each file containing a set of images. File names are used by the Osiris viewing software to open image sequences. But file names alone are not explicit enough to properly describe the content of the file. A specific utility has been developed to present a list of patients, and for each patient a list of exams which can be selected and automatically displayed. The system has been successfully tested in different clinical environments. It will be soon extended on a hospital wide basis.

Paper Details

Date Published: 1 May 1996
PDF: 8 pages
Proc. SPIE 2711, Medical Imaging 1996: PACS Design and Evaluation: Engineering and Clinical Issues, (1 May 1996); doi: 10.1117/12.239282
Show Author Affiliations
Yves Ligier, Univ. Hospital of Geneva (Switzerland)
Osman M. Ratib, Univ. Hospital of Geneva (Switzerland)
Christian Girard, Univ. Hospital of Geneva (Switzerland)
Marianne Logean, Univ. Hospital of Geneva (Switzerland)
Gerhard Trayser, Univ. Hospital of Geneva (Switzerland)


Published in SPIE Proceedings Vol. 2711:
Medical Imaging 1996: PACS Design and Evaluation: Engineering and Clinical Issues
R. Gilbert Jost; Samuel J. Dwyer, Editor(s)

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