1. Duke University

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    1. Mentioned In 320 Articles

    2. Fully automated detection of diabetic macular edema and dry age-related macular degeneration from optical coherence tomography images

      Fully automated detection of diabetic macular edema and dry age-related macular degeneration from optical coherence tomography images
      ...1Department of Biomedical Engineering, Duke University, Durham 27708, USA ^2Department of Computer Science, Duke University, Durham 27708, USA ^3Schepens Eye Research Institute, Massachusetts Eye and Ear Infirmary, H...
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    3. Sina Farsiu: Biomedical Engineer Processes an Avalanche of Images

      Sina Farsiu: Biomedical Engineer Processes an Avalanche of Images

      Sina Farsiu wants to figure out how to peer into your soul . . . or at least your brain. An expert in designing computer image processing algorithms, Farsiu is an assistant professor of ophthalmology at Duke Medicine who recently accepted a primary appointment in the Pratt biomedical engineering department with the hopes of strengthening collaborations across the university. “When President Bush said he looked Vladimir Putin in the eye and got a sense of his soul, he was actually on to something,” said Farsiu, who has a long history of collaborating with peers in Duke’s engineering school. “The retina is part ...

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    4. Methods and computer program products for quantitative three-dimensional image correction and clinical parameter computation in optical coherence tomography

      Methods and computer program products for quantitative three-dimensional image correction and clinical parameter computation in optical coherence tomography

      Methods and computer program products for quantitative three-dimensional (“3D”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“OCT”) dataset from an OCT system can be segmented. Normal vectors or partial derivatives of the curvature at a refracting surface can be calculated to obtain a refracted image voxel. A new position of each desired refracted image voxel can be iteratively computed. New refracted corrected voxel positions to an even sampling grid can be interpolated to provide corrected image data. In some embodiments, clinical outputs from the ...

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    5. Segmentation and identification of layered structures in images

      Segmentation and identification of layered structures in images

      Disclosed herein are systems and method for segmentation and identification of structured features in images. According to an aspect, a method may include representing an image as a graph of nodes connected together by edges. For example, the image may be an ocular image showing layered structures or other features of the retina. The method may also include adding, to the graph, nodes adjacent to nodes along first and second sides of the graph. The added nodes may have edge weights less than the nodes along the first and second sides of the graph. Further, the method may include assigning ...

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    6. Methods for single-pass volumetric bidirectional blood flow imaging spectral domain optical coherence tomography using a modified hilbert transform

      Methods for single-pass volumetric bidirectional blood flow imaging spectral domain optical coherence tomography using a modified hilbert transform

      The present subject matter relates to in vivo volumetric bidirectional blood flow imaging using single-pass flow imaging spectral domain optical coherence tomography. This technique uses a modified Hilbert transform algorithm to separate moving and non-moving scatterers within a depth. The resulting reconstructed image maps the components of moving scatterers flowing into and out of the imaging axis onto opposite image halfplanes, enabling volumetric bidirectional flow mapping without manual segmentation.

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  2. About Duke University

    Duke University

    Duke University is a private research university located in Durham, North Carolina, USA. Duke University Medical CenterFor more than 75 years, our community of scholars and students has been devoted to understanding the causes, prevention and treatment of human disease. Duke University Eye Center is part of the Medical School.  Duke University's Pratt School of Engineering established The Fitzpatrick Center for Photonics and Communications Systems in December 2000 to help turn North Carolina into a "photon forest" where research and development in photonics would create the kind of technological advance and economic growth found in California's Silicon Valley.