X-window-based 2K display workstation

Wolfram S. Weinberg; Alek S. Hayrapetian; Paul S. Cho; Daniel J. Valentino; Ricky K. Taira; H. K. Huang

doi:10.1117/12.45258

1 July 1991 X-window-based 2K display workstation

Wolfram S. Weinberg, Alek S. Hayrapetian, Paul S. Cho, Daniel J. Valentino, Ricky K. Taira, H. K. Huang

Proceedings Volume 1446, Medical Imaging V: PACS Design and Evaluation; (1991) https://doi.org/10.1117/12.45258
Event: Medical Imaging '91, 1991, San Jose, CA, United States

Abstract

A high-definition, high-performance display station for reading and review of digital radiological images is introduced. The station is based on a Sun SPARC Station 4 and employs X window system for display and manipulation of images. A mouse-operated graphic user interface is implemented utilizing Motif-style tools. The system supports up to four MegaScan gray-scale 2560 X 2048 monitors. A special configuration of frame and video buffer yields a data transfer of 50 M pixels/s. A magnetic disk array supplies a storage capacity of 2 GB with a data transfer rate of 4-6 MB/s. The system has access to the central archive through an ultrahigh-speed fiber-optic network and patient studies are automatically transferred to the local disk. The available image processing functions include change of lookup table, zoom and pan, and cine. Future enhancements will provide for manual contour tracing, length, area, and density measurements, text and graphic overlay, as well as composition of selected images. Additional preprocessing procedures under development will optimize the initial lookup table and adjust the images to a standard orientation.

Citation Download Citation

Wolfram S. Weinberg, Alek S. Hayrapetian, Paul S. Cho, Daniel J. Valentino, Ricky K. Taira, and H. K. Huang "X-window-based 2K display workstation", Proc. SPIE 1446, Medical Imaging V: PACS Design and Evaluation, (1 July 1991); https://doi.org/10.1117/12.45258

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