983 resultados para Lamp-chimneys, globes, etc.
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Welsch (Projektbearbeiter): Abdruck einer Ode zu Ehren Generals von Wrangel, der als Bezwinger der Revolution gefeiert wird: "Hoch lebe des Königs bewährtester Held, der rettend uns kam aus dem dänischen Feld!!"
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Welsch (Projektbearbeiter): Spottgedicht auf die Flucht eines Dr. Bertling aus dem Leipziger Stockhaus
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Welsch (Projektbearbeiter): Siegesgedicht anläßlich der Beschießung des am 5. April 1849 in der Bucht von Eckernförde erschienenen dänischen Geschwaders durch deutsche Strandbatterien, wobei das Linienschiff 'Christian VIII.' in Brand geriet und aufgegeben werden mußte und die Fregatte 'Gefion' zur Übergabe gezwungen wurde
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Welsch (Projektbearbeiter): Festsetzung der Wahlen zum bayerischen Landtag auf den 17. (Urwahlen) und den 24. Juli 1849. Nebst Übersicht der Wahlorte und Wahlbezirke im Regierungsbezirk Pfalz
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Olaus Gerhard Tychsen
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Purpose To this day, the slit lamp remains the first tool used by an ophthalmologist to examine patient eyes. Imaging of the retina poses, however, a variety of problems, namely a shallow depth of focus, reflections from the optical system, a small field of view and non-uniform illumination. For ophthalmologists, the use of slit lamp images for documentation and analysis purposes, however, remains extremely challenging due to large image artifacts. For this reason, we propose an automatic retinal slit lamp video mosaicking, which enlarges the field of view and reduces amount of noise and reflections, thus enhancing image quality. Methods Our method is composed of three parts: (i) viable content segmentation, (ii) global registration and (iii) image blending. Frame content is segmented using gradient boosting with custom pixel-wise features. Speeded-up robust features are used for finding pair-wise translations between frames with robust random sample consensus estimation and graph-based simultaneous localization and mapping for global bundle adjustment. Foreground-aware blending based on feathering merges video frames into comprehensive mosaics. Results Foreground is segmented successfully with an area under the curve of the receiver operating characteristic curve of 0.9557. Mosaicking results and state-of-the-art methods were compared and rated by ophthalmologists showing a strong preference for a large field of view provided by our method. Conclusions The proposed method for global registration of retinal slit lamp images of the retina into comprehensive mosaics improves over state-of-the-art methods and is preferred qualitatively.
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Leopold Dukes
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In Fraktur
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In Fraktur
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durch Jacob Lachkern
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A standard treatment of aspects of Legendre polynomials is treated here, including the dipole moment expansion, generating functions, etc..