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      • Record: found
      • Abstract: found
      • Article: found

      Computer Image Analysis of the Optic Disc

      research-article
      ,
      Ophthalmologica
      S. Karger AG
      Optic disc, Computer image analysis

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          Abstract

          A computer method for image analysis of the optic disc is presented. Black and white photographic transparencies of the optic disc were scanned by a scanning television camera. The image was digitized into not more than 4,000 × 4,000 points, each representing a value ranging between 0 and 255 gray levels. The images are depicted in two ways; either in the form of a topographic map (contour) in which the curves join points of identical light intensity, or as a relief that expresses the light intensity of every scanned line. This method emphasizes the qualitative parameters of the disc, and enables a quantitative determination of some disc pathologies.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          1980
          1980
          30 March 2010
          : 181
          : 5
          : 266-270
          Affiliations
          Department of Ophthalmology, Hadassah University Hospital, and The Hubert H. Humphrey Center for Experimental Medicine and Cancer Research, The Hebrew University Hadassah Medical School, Jerusalem, Israel
          Article
          309064 Ophthalmologica 1980;181:266–270
          10.1159/000309064
          7243185
          aa79e3e1-b329-4444-8f49-fd856394fcb6
          © 1980 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 15 August 1980
          : 15 September 1980
          Page count
          Pages: 5
          Categories
          Original Paper

          Vision sciences,Ophthalmology & Optometry,Pathology
          Computer image analysis,Optic disc
          Vision sciences, Ophthalmology & Optometry, Pathology
          Computer image analysis, Optic disc

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