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3 August 1984 On-Line Archiving And Enhancement Of Diagnostic Electron Microscope Images In Medicine
T. Okagaki, R. Hsing, K. H. Tzou, M. H. Jones, B. A. Clark, T. Pan, J. M. Ferro
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Proceedings Volume 0515, Medical Images and Icons; (1984) https://doi.org/10.1117/12.964748
Event: Medical Images and Icons, 1984, Arlington, United States
Abstract
The development of computer tomography (CT) in radiography has stimulated recent interest in picture archiving and communication systems (PACS) in medicine. Electron microscopy and histopathol-ogy also use interpretation of images in diagnosis. We have implemented a prototype system for on-line digitization of tissue images as a part of PACS based on DEC PDP 8, VAX 11/730 and PDP 11/35 processors. The front end processor was directly connected to a JEOL 100B scanning transmission electron microscope (STEM). Because image digitization results in a loss of information that is present in photography, various methods of image enhancement and filtering were necessary and helpful. Data compression by discrete cosine transform (DCT) retained satisfac-tory image quality at 0.5 - 1.0 bits/pixel. It is also stressed that future PACS in medi-cine must incorporate images of diagnostic histo-pathology and electron microscopy.
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T. Okagaki, R. Hsing, K. H. Tzou, M. H. Jones, B. A. Clark, T. Pan, and J. M. Ferro "On-Line Archiving And Enhancement Of Diagnostic Electron Microscope Images In Medicine", Proc. SPIE 0515, Medical Images and Icons, (3 August 1984); https://doi.org/10.1117/12.964748
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KEYWORDS
Diagnostics
Electron microscopes
Picture Archiving and Communication System
Image processing
Image enhancement
Photography
Scanning electron microscopy
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