Articles from Stephan Michels

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  1. Retinal pigment epithelium segmentation by polarization sensitive optical coherence tomography

    Explore Article opticsinfobase.org (Sep 30 2008) Ophthalmology

    Erich Götzinger, Michael Pircher, Wolfgang Geitzenauer, Christian Ahlers, Bernhard Baumann, Stephan Michels, Ursula Schmidt-Erfurth, Christoph K. HitzenbergerWe present a new method for identifying and segmenting the retinal pigment epithelium (RPE) in polarization sensitive optical coherence tomography (PS-OCT) images of the human retina. Contrary to previous, intensity based segmentation algorithms, our method uses an intrinsic tissue property of ... [Opt. Express 16, 16410-16422 (2008)] (Read Full Article)

    Comment on Article Mentions:   Michael Pircher   Erich Götzinger   Stephan Michels

  2. Segmentation of the retinal pigment epithelium by polarization sensitive optical coherence tomography

    Explore Article SPIE Digital Library (Feb 18 2008) Ophthalmology

    Christoph K. Hitzenberger, Erich Gotzinger, Michael Pircher et al. We report on a new method for segmenting the retinal pigment epithelium (RPE) in polarization sensitive optical coherence tomography (PS-OCT) images of the human retina. Contrary to previous segmentation algorithms that were based on variations of backscattered intensity between individual layers, o ... [Proc. SPIE Int. Soc. Opt. Eng. 6847, 684705 (2008)] published Mon Feb 18, 2008. (Read Full Article)

    Comment on Article Mentions:   Michael Pircher   Christoph K. Hitzenberger   Erich Götzinger

  3. Value of polarisation-sensitive optical coherence tomography in diseases affecting the retinal pigment epithelium

    Explore Article BJO Online (Jan 27 2008) Ophthalmology

    Objectives: To evaluate pathological changes of retinal pigment epithelium (RPE) by polarisation-sensitive optical coherence tomography (PS-OCT). Methods: Forty-four eyes (22 patients) with significant pathologies of the RPE were evaluated using PS-OCT. A transversal scanning time domain OCT system was used for two-dimensional cross-sectional imaging of retinal polarisation properties. Results: The RPE scrambles the polarisation state of backscattered light (ie, acts as a depolarising layer), while the polarisation state of transmitted ... (Read Full Article)

    Comment on Article Mentions:   Christoph K. Hitzenberger   Michael Pircher   Medical University of Vienna

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