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    1. Mentioned In 32 Articles

    2. Multi-reference global registration of individual A-lines in adaptive optics optical coherence tomography retinal images

      Explore SPIE Digital Library Ophthalmology
      Multi-reference global registration of individual A-lines in adaptive optics optical coherence tomography retinal images
      Significance: Adaptive optics optical coherence tomography (AO-OCT) technology enables non-invasive, high-resolution three-dimensional (3D) imaging of the retina and promises earlier detection of ocular disease. However, AO-OCT data are corrupted by eye-movement artifacts that must be removed in post-processing, a process rendered time-consuming by the immense quantity of data. Aim: To efficiently remove eye-movement artifacts at the level of individual A-lines, including those present in any individual reference volume. Approach: We ...
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      Mentions: Purdue University Donald T. Miller Indiana University

    3. Multimodality Imaging-Based Characterization of Regional Material Properties in a Murine Model of Aortic Dissection

      Explore Nature Publishing Group Cardiology
      Multimodality Imaging-Based Characterization of Regional Material Properties in a Murine Model of Aortic Dissection
      hronic infusion of angiotensin-II in atheroprone ( ApoE / ) mice provides a reproducible model of dissection in the suprarenal abdominal aorta, often with a false lumen and intramural thrombus that thickens the wall. Such lesions exhibit complex morphologies, with different regions characterized by localized changes in wall composition, microstructure, and properties. We sought to quantify the multiaxial mechanical properties of murine dissecting aneurysm samples by combining in vitro extension-distension data with full-field ...
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      Mentions: Yale University Vanderbilt University Purdue University

    4. Method and apparatus for motility contrast imaging

      Explore uspto.gov Patents
      Method and apparatus for motility contrast imaging
      A system for motility contrast imaging a biological target within tissue comprising a CCD array; an illumination source for generating an incoming beam; a first beam splitter for receiving the incoming beam and producing an object beam and a reference beam; a second beam splitter for illuminating a multitude of biological targets with the object beam and for directing backscattered object beams towards the CCD array; a computer-controlled delay stage ...
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      Mentions: Purdue University

    5. Imaging and quantifying ganglion cells and other transparent neurons in the living human retina [Engineering]

      Explore pnas.org Ophthalmology
      Imaging and quantifying ganglion cells and other transparent neurons in the living human retina [Engineering]
      Ganglion cells (GCs) are fundamental to retinal neural circuitry, processing photoreceptor signals for transmission to the brain via their axons. However, much remains unknown about their role in vision and their vulnerability to disease leading to blindness. A major bottleneck has been our inability to observe GCs and their degeneration in the living human eye. Despite two decades of development of optical technologies to image cells in the living human ...
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      Mentions: Purdue University Donald T. Miller Indiana University

    6. Ex vivo motility contrast imaging

      Explore uspto.gov Patents
      Ex vivo motility contrast imaging
      In a method for ex vivo evaluation of tissue response, a target biological sample is placed in a chamber of a sample holder. Biodynamic imaging (BDI) is performed on the sample to extract BDI data of the entire sample, optical coherence imaging (OCI) data is generated from the BDI data; and then motility contrast imaging (MCI) data is generated from the OCI data. The MCI data is used to select ...
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      Mentions: Purdue University

    7. Multi-Modality Imaging Enables Detailed Hemodynamic Simulations in Dissecting Aneurysms in Mice

      Explore IEEE Xplore Cardiology
      Multi-Modality Imaging Enables Detailed Hemodynamic Simulations in Dissecting Aneurysms in Mice
      A multi-modality imaging-based modeling approach was used to study complex unsteady hemodynamics and lesion growth in a dissecting abdominal aortic aneurysm model. We combined in vivo ultrasound (geometry and flow) and in vitro optical coherence tomography (OCT) (geometry) to obtain the high resolution needed to construct detailed hemodynamic simulations over large portions of the murine vasculature, which include fine geometric complexities. We illustrate this approach for a spectrum of dissecting ...
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      Mentions: Vanderbilt University Purdue University

    8. Microstructural characterization of myocardial infarction with optical coherence tractography and two‐photon microscopy

      Explore Home | Physiological Reports Cardiology
      Microstructural characterization of myocardial infarction with optical coherence tractography and two‐photon microscopy
      Myocardial infarction leads to complex changes in the fiber architecture of the heart. Here, we present a novel optical approach to characterize these changes in intact hearts in three dimensions. Optical coherence tomography (OCT) was used to derive a depth‐resolved field of orientation on which tractography was performed. Tractography of healthy myocardium revealed a smooth linear transition in fiber inclination or helix angle from the epicardium to endocardium. Conversely ...
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      Mentions: Vivek J. Srinivasan Purdue University

    9. Fingerprint Matching with Optical Coherence Tomography

      Explore Home - Springer Dermatology , Other Non-Medical
      Fingerprint Matching with Optical Coherence Tomography
      Fingerprint recognition is an important security technique with a steadily growing usage for the identification and verification of individuals. However, current fingerprint acquisition systems have certain disadvantages, which include the requirements of physical contact with the acquisition device, and the presence of undesirable artefacts, such as scars, on the surface of the fingerprint. This paper evaluates the accuracy of a complete framework for the capturing of undamaged, undistorted fingerprints from ...
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      Mentions: University of Houston Purdue University Texas A&M University

    11. Adaptive-optics optical coherence tomography processing using a graphics processing unit

      Explore IEEE Xplore
      Adaptive-optics optical coherence tomography processing using a graphics processing unit
      Graphics processing units are increasingly being used for scientific computing for their powerful parallel processing abilities, and moderate price compared to super computers and computing grids. In this paper we have used a general purpose graphics processing unit to process adaptive-optics optical coherence tomography (AOOCT) images in real time. Increasing the processing speed of AOOCT is an essential step in moving the super high resolution technology closer to clinical viability.
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      Mentions: Purdue University Donald T. Miller Indiana University

    14. Live tissue viability and chemosensitivity assays using digital holographic motility contrast imaging

      Explore opticsinfobase.org
      Live tissue viability and chemosensitivity assays using digital holographic motility contrast imaging
      Holographic optical coherence imaging is an en face form of optical coherence tomography that uses low-coherence digital holography as a coherence gate to select light from a chosen depth inside scattering tissue. By acquiring successive holograms at a high camera frame rate at a fixed depth, dynamic speckle provides information concerning dynamic light scattering from intracellular motility. Motility contrast imaging (MCI) uses living motion as a label-free and functional biomarker ...
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      Mentions: Purdue University Indiana University

    15. Nicolaus Copernicus University, Toruń, Poland offers scholarships of 3,500 PLN for 3 PhD students, within the frames of TEAM program.

      Explore Optical Coherence Tomography News Ophthalmology , Jobs & Studentships
      Nicolaus Copernicus University, Toruń, Poland offers scholarships of 3,500 PLN for 3 PhD students, within the frames of TEAM program.
      ...ey will collaborate with two very dynamic and very efficient research groups lead by prof. Alexander Wei from Purdue University and prof. Robert Huber from Ludwig Maximilians University in Munich. Requirements Candid...
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      Mentions: Maciej Wojtkowski Nicolaus Copernicus University Purdue University

    16. Nicolaus Copernicus University, Toruń, Poland offers scholarships of 1,000 PLN for 2 students, within the frames of TEAM program.

      Explore Optical Coherence Tomography News Ophthalmology , Jobs & Studentships
      Nicolaus Copernicus University, Toruń, Poland offers scholarships of 1,000 PLN for 2 students, within the frames of TEAM program.
      ...ey will collaborate with two very dynamic and very efficient research groups lead by prof. Alexander Wei from Purdue University and prof. Robert Huber from Ludwig Maximilians University in Munich. Requirements Candidat...
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      Mentions: Maciej Wojtkowski Nicolaus Copernicus University Purdue University
    17. 1-15 of 32 1 2 »
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    Purdue University, located in West Lafayette, Indiana, U.S., is the flagship university of the six campuses within the Purdue University System. Purdue offers both undergraduate and graduate programs in over 200 major areas of study. The university has been influential in America's history of aviation, having established the first college credit offered in flight training, the first four-year bachelor's degree in aviation, and the first university airport (Purdue University Airport).

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