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Digitale Bildanalyse zur Darstellung des Fundus bei seniler Makuladegeneration

Digital image analysis of retinal fundus images in age-related macular degeneration

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Zusammenfassung

Fundusphotos und Fluoreszenzangiogramme eines Patienten mit exsudativer Makulopathie vor und nach gezielter Lasertherapie wurden mit Methoden der digitalen Bildverarbeitung und Mustererkennung ausgewertet. Der Einsatz dieser Analysemethoden bietet neben starker Verbesserung der Bildkontraste und Helligkeiten auch die direkte Vergleichbarkeit von mehreren Aufnahmen in verschiedenen Stadien dieser Erkrankung und insbesonders die Betonung wesentlicher Strukturen der Netzhaut durch Multiresolutionsverfahren. Das durch neue bildgegebene Systeme (Scanning-Laser-Ophthalmoskop) verfügbare Bildmaterial kann die breitere Anwendung dieser Bildanalysemethoden ermöglichen.

Summary

Digital image analysis and pattern recognition methods were applied to fundus photographs and fluorescein angiograms of a patient with age-related macular degeneration taken before and after laser photocoagulation treatment. These analysis techniques provide contrast and brightness enhancement (interactive manipulations), direct comparison of several images in various stages of the disease (image registration), and the extraction of essential retinal structures (blobdetection by image pyramids, edge detection).

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Authors and Affiliations

  1. I. Universitäts-Augenklinik, Spitalgasse 2, A-1090, Wien

    P. Datlinger, S. Binder, M. Velikay, U. Stolba & A. Wedrich

  2. Inst. f. Automation, Abt. f. Mustererkennung u. Bildverarbeitung, TU Wien, Wien

    A. Pinz

  3. Inst. f. Vermessungswesen u. Fernerkundung, Universität f. Bodenkultur, Wien

    H. Plank

Authors
  1. P. Datlinger
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  2. A. Pinz
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  3. H. Plank
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  4. S. Binder
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  5. M. Velikay
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  6. U. Stolba
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  7. A. Wedrich
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Datlinger, P., Pinz, A., Plank, H. et al. Digitale Bildanalyse zur Darstellung des Fundus bei seniler Makuladegeneration. Spektrum Augenheilkd 6, 13–19 (1992). https://doi.org/10.1007/BF03162670

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  • DOI: https://doi.org/10.1007/BF03162670

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