1. University of Missouri

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    1. Mentioned In 36 Articles

    2. Improve depth of field of optical coherence tomography using finite energy Airy beam

      Explore OSA | OSA Publishing
      Improve depth of field of optical coherence tomography using finite energy Airy beam
      We report a technique to break the depth of field (DOF) limit in optical coherence tomography (OCT) using a finite energy Airy beam. The Airy beam is generated using a phase mask in a Fourier transform schematic and provides the DOF improvement due to its low diffraction. We compare Airy beam OCT with conventional Gaussian beam OCT using lateral resolution and sensitivity. Experimental data from the polystyrene beads in water ...
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      Mentions: Zhejiang University University of Missouri

    3. Diurnal variation of choriocapillaris vessel flow density in normal subjects measured using optical coherence tomography angiography

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Diurnal variation of choriocapillaris vessel flow density in normal subjects measured using optical coherence tomography angiography
      Background Vessel flow density (VFD) may provide important information regarding perfusion status. Diurnal variation in VFD of choriocapillaris has not been reported in literature. In the index study, optical coherence tomography angiography (OCTA) was used to assess the diurnal variation of the VFD in the choriocapillaris of subjects with no known ocular disease. Methods Fifty eyes with no known ocular disease (25 subjects) were included. OCTA images were acquired using ...
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      Mentions: Johns Hopkins University Optovue Stanford University

    4. Three Dimensional Full-Range Dual-Band Fourier Domain Optical Coherence Tomography Accelerated by Graphic Processing Unit

      Explore IEEE Xplore
      Three Dimensional Full-Range Dual-Band Fourier Domain Optical Coherence Tomography Accelerated by Graphic Processing Unit
      The authors present a graphic processing unit (GPU) accelerated three-dimensional (3D) full-range dual-band Fourier domain optical coherence tomography (FD-OCT) using a LabVIEW GPU program with GPU-adaptable algorithms. GPU can dramatically reduce the image processing time, but programing on GPU is more complex than that on central processing unit (CPU). This work implements GPU computing interfaced with LabVIEW, using a LabVIEW GPU analysis toolkit, which significantly reduces the programing complexity. The ...
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      Mentions: University of Missouri

    6. Parametric imaging of collagen structural changes in human osteoarthritic cartilage using optical polarization tractography

      Explore SPIE Digital Library
      Parametric imaging of collagen structural changes in human osteoarthritic cartilage using optical polarization tractography
      Collagen degeneration is an important pathological feature of osteoarthritis. The purpose of this study is to investigate whether the polarization-sensitive optical coherence tomography (PSOCT)-based optical polarization tractography (OPT) can be useful in imaging collagen structural changes in human osteoarthritic cartilage samples. OPT eliminated the banding artifacts in conventional PSOCT by calculating the depth-resolved local birefringence and fiber orientation. A close comparison between OPT and PSOCT showed that OPT provided ...
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      Mentions: University of Missouri

    7. Preoperative assessment of computerized tomography angiography to predict success for crossing long Trans-Atlantic Inter-Society Consensus D lesions using the optical coherence tomography catheter

      Explore SAGE Journals Cardiology
      Preoperative assessment of computerized tomography angiography to predict success for crossing long Trans-Atlantic Inter-Society Consensus D lesions using the optical coherence tomography catheter
      Objectives Optical coherence tomography chronic total occlusion catheter, the Ocelot (Avinger Inc., Redwood City, CA), has been utilized to cross Trans-Atlantic Inter-Society Consensus D lesions. This study evaluated the preoperative computerized tomography angiography of chronic total occlusions in the superficial femoral artery to predict clinical success. Methods We reviewed all patients who underwent lower extremity procedures with the Ocelot catheter from June 2014 to August 2016. Patients who had a ...
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      Mentions: University of Missouri Avinger

    8. Heart structural remodeling in a mouse model of Duchenne cardiomyopathy revealed using optical polarization tractography [Invited]

      Explore OSA | OSA Publishing Developmental Biology
      Heart structural remodeling in a mouse model of Duchenne cardiomyopathy revealed using optical polarization tractography [Invited]
      We investigated the heart structural remodeling in the mdx4cv mouse model of Duchenne cardiomyopathy using optical polarization tractography. Whole heart tractography was obtained in freshly dissected hearts from six mdx4cv mice. Six hearts from C57BL/6J mice were also imaged as the normal control. The mdx4cv hearts were significantly larger than the control hearts and had significantly higher betweensubject variations in myofiber organization. While both strains showed classic cross-helical fiber ...
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      Mentions: University of Missouri

    9. Spatial convolution for mirror image suppression in Fourier domain optical coherence tomography

      Explore OSA | OSA Publishing
      Spatial convolution for mirror image suppression in Fourier domain optical coherence tomography
      We developed a spatial convolution approach for mirror image suppression in phase-modulated Fourier domain optical coherence tomography, and demonstrated it in vivo for small animal imaging. Utilizing the correlation among neighboring A-scans, the mirror image suppression process was simplified to a three-parameter convolution. By adjusting the three parameters, we can implement different Fourier domain sideband windows, which is important but complicated in existing approaches. By properly selecting the window size ...
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      Mentions: University of Missouri

    10. Nondestructive imaging of fiber structure in articular cartilage using optical polarization tractography

      Explore SPIE | Journal
      Nondestructive imaging of fiber structure in articular cartilage using optical polarization tractography
      Collagen fiber orientation plays an important role in determining the structure and function of the articular cartilage. However, there is currently a lack of nondestructive means to image the fiber orientation from the cartilage surface. The purpose of this study is to investigate whether the newly developed optical polarization tractography (OPT) can image fiber structure in articular cartilage. OPT was applied to obtain the depth-dependent fiber orientation in fresh articular ...
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      Mentions: University of Missouri

    11. Optical polarization tractography based on polarization-sensitive optical coherence tomography

      Explore Conference Proceedings
      Optical polarization tractography based on polarization-sensitive optical coherence tomography
      Fibrous tissues exist in many parts of the body, where the directional fiber organization is critical in maintaining their normal functions. Disruption of the normal fibrous structure is often linked to tissue dysfunction. An imaging tool that can reveal the detailed fiber architecture will be valuable for our understanding of the structure-function relationship in these tissues. Here, we described a new high-resolution tractography method developed from Jones matrix polarization sensitive ...
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      Mentions: Gang Yao University of Missouri

    12. High resolution imaging of the fibrous microstructure in bovine common carotid artery using optical polarization tractography

      Explore Wiley Online Library Cardiology
      High resolution imaging of the fibrous microstructure in bovine common carotid artery using optical polarization tractography
      Optical polarization tractography can visualize fiber orientation and alignment in carotid artery. The biomechanical properties of artery are primarily determined by the fibrous structures in the vessel wall. Many vascular diseases are associated with alternations in the orientation and alignment of the fibrous structure in the arterial wall. Knowledge on the structural features of the artery wall is crucial to our understanding of the biology of vascular diseases and the ...
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      Mentions: Gang Yao University of Missouri

    14. Clinical application of optical coherence tomography in combination with functional diagnostics: advantages and limitations for diagnosis and assessment of therapy outcome in central serous chorioretinopathy

      Explore Medical Journals Publisher Cardiology
      Clinical application of optical coherence tomography in combination with functional diagnostics: advantages and limitations for diagnosis and assessment of therapy outcome in central serous chorioretinopathy
      ...ukunju, Nelson R Sabates, Peter Koulen, Felix N Sabates Vision Research Center, Department of Ophthalmology, University of Missouri – Kansas City, School of Medicine, Kansas City, MO, USA Purpose: While identifying fun...
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      Mentions: University of Missouri Gary Gallimore Scott E. Fraser
    17. 1-15 of 36 1 2 3 »
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  4. About University of Missouri

    University of Missouri

    University of Missouri (Mizzou, MU, University of Missouri–Columbia or simply Missouri) is a public research university located in the state of Missouri. In 1839 the university was founded in Columbia, Missouri, as the first public institution of higher education west of the Mississippi River. The largest university in Missouri, MU enrolls 33,805 students in 20 academic colleges in the 2011–12 year. The university is the flagship of the University of Missouri System which maintains campuses in Rolla, Kansas City and St. Louis. MU is one of 34 public universities to be members of the Association of American Universities and the only one in Missouri. There are more than 262,000 MU alumni living worldwide, with almost half continuing to reside in Missouri. The University of Missouri was ranked 90th in the 2012 U.S. News & World Report among the national universities, up four spots from 2011. It is the highest-ranked public school in the state and second overall (tied with Saint Louis University).

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