Quantitative evaluation of low-cost frame-grabber boards for personal computers |
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| Authors: | James M. Kofler Joel E. Gray James T. Fuelberth Jerome P. Taubel |
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| Affiliation: | 1. Department of Diagnostic Radiology and Division of Information Services, Mayo Clinic and Foundation, 200 First St SW, 55905, Rochester, MN
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| Abstract: | Nine moderately priced frame-grabber boards for both Macintosh (Apple Computers, Cupertino, CA) and IBM-compatible computers were evaluated using a Society of Motion Pictures and Television Engineers (SMPTE) pattern and a video signal generator for dynamic range, gray-scale reproducibility, and spatial integrity of the captured image. The degradation of the video information ranged from minor to severe. Some boards are of reasonable quality for applications in diagnostic imaging and education. However, price and quality are not necessarily directly related. |
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