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Proceedings Paper

Video compression and DICOM proxies for remote viewing of DICOM images
Author(s): Elahe Khorasani; Vadim Sheinin; Brent Paulovicks; Ashish Jagmohan
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Paper Abstract

Digital medical images are rapidly growing in size and volume. A typical study includes multiple image "slices." These images have a special format and a communication protocol referred to as DICOM (Digital Imaging Communications in Medicine). Storing, retrieving, and viewing these images are handled by DICOM-enabled systems. DICOM images are stored in central repository servers called PACS (Picture Archival and Communication Systems). Remote viewing stations are DICOM-enabled applications that can query the PACS servers and retrieve the DICOM images for viewing. Modern medical images are quite large, reaching as much as 1 GB per file. When the viewing station is connected to the PACS server via a high-bandwidth local LAN, downloading of the images is relatively efficient and does not cause significant wasted time for physicians. Problems arise when the viewing station is located in a remote facility that has a low-bandwidth link to the PACS server. If the link between the PACS and remote facility is in the range of 1 Mbit/sec, downloading medical images is very slow. To overcome this problem, medical images are compressed to reduce the size for transmission. This paper describes a method of compression that maintains diagnostic quality of images while significantly reducing the volume to be transmitted, without any change to the existing PACS servers and viewer software, and without requiring any change in the way doctors retrieve and view images today.

Paper Details

Date Published: 13 March 2009
PDF: 9 pages
Proc. SPIE 7264, Medical Imaging 2009: Advanced PACS-based Imaging Informatics and Therapeutic Applications, 72640T (13 March 2009); doi: 10.1117/12.806815
Show Author Affiliations
Elahe Khorasani, IBM Thomas J. Watson Research Ctr. (United States)
Vadim Sheinin, IBM Thomas J. Watson Research Ctr. (United States)
Brent Paulovicks, IBM Thomas J. Watson Research Ctr. (United States)
Ashish Jagmohan, IBM Thomas J. Watson Research Ctr. (United States)


Published in SPIE Proceedings Vol. 7264:
Medical Imaging 2009: Advanced PACS-based Imaging Informatics and Therapeutic Applications
Khan M. Siddiqui; Brent J. Liu, Editor(s)

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