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      Reliefbilder des hinteren Augenpols

      ,

      Ophthalmologica

      S. Karger AG

      Relief pictures, Posterior pole

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          Abstract

          A method for transformation of photographic transparencies into three-dimensional relief pictures is presented. Black-and-white or color slides of fundi were scanned by a TV camera, the video signals digitized point by point into 256 gray levels and fed into an image processing computer. After passing low pass filter programs, the pictures were retransformed in an analog form to display them on the monitor of an analog processor in relief form. Free choice of the analog relief parameters allow to produce topographic reliefs, which give three-dimensional impression of the optic disk, the macula and of other contrast-containing structures. The method is peculiarly suitable for the control of optic disk atrophies in case of glaucoma and neuritis.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          1982
          1982
          30 March 2010
          : 184
          : 4
          : 181-189
          Affiliations
          Augenklinik des Klinikum Charlottenburg, Freie Universität Berlin
          Article
          309204 Ophthalmologica 1982;184:181–189
          10.1159/000309204
          7070761
          © 1982 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.

          Page count
          Pages: 9
          Categories
          Original Paper

          Vision sciences, Ophthalmology & Optometry, Pathology

          Relief pictures, Posterior pole

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