Multiresolution storage in a PACS archive

Fred M. Behlen; Kenneth R. Hoffmann; Heber MacMahon; Troy R. Folkner

doi:10.1117/12.274601

22 May 1997 Multiresolution storage in a PACS archive

Fred M. Behlen, Kenneth R. Hoffmann, Heber MacMahon, Troy R. Folkner

Proceedings Volume 3035, Medical Imaging 1997: PACS Design and Evaluation: Engineering and Clinical Issues; (1997) https://doi.org/10.1117/12.274601
Event: Medical Imaging 1997, 1997, Newport Beach, CA, United States

Abstract

Many retrievals of images from a PACS archive do not require the full spatial resolution at which the images were originally acquired. Savings in retrieval times could be realized if images were retrieved at the lower resolution required for each display need. A PACS archive was constructed wherein images are stored and may be retrieved at lower than the originally-acquired resolution. Incoming images from the modality devices are minified by successive factors of two, down to 128 X 128. A DICOM extended private attribute was defined which enabled the reduced resolution images to be retrieved with a modified DICOM move requests. The reduced resolution images can be received by a standard DICOM workstation without the need for special workstation software. Multi-resolution storage requires approximately 30 percent more space. This additional media cost is deemed acceptable for this archive, in which data are stored on low cost magnetic tape.

Citation Download Citation

Fred M. Behlen, Kenneth R. Hoffmann, Heber MacMahon, and Troy R. Folkner "Multiresolution storage in a PACS archive", Proc. SPIE 3035, Medical Imaging 1997: PACS Design and Evaluation: Engineering and Clinical Issues, (22 May 1997); https://doi.org/10.1117/12.274601

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