1. Articles from Haojie Zhang

    1-2 of 2
    1. Optical coherence tomography-based deep learning algorithm for quantification of the location of the intraocular lens

      Optical coherence tomography-based deep learning algorithm for quantification of the location of the intraocular lens

      Background: Cataract surgery has been recently developed from sight rehabilitating surgery to accurate refractive surgery. The precise concentration of intraocular lens (IOL) is crucial for postoperative high visual quanlity. The three-dimentional (3D) images of ocular anterior segment captured by optial coherence tomography (OCT) make it possible to evaluate the IOL position in 3D space, which provide insights into factors relavant to the visual quanlity and better design of new functional IOL. The deep learning algorithm potentially quantify the IOL position in an objective and efficient way. Methods: The region-based fully convolutional network (R-FCN) was used to recogonize and delineate the ...

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    2. En-face optical coherence tomography/fluorescence endomicroscopy for minimally invasive imaging using a robotic scanner

      En-face optical coherence tomography/fluorescence endomicroscopy for minimally invasive imaging using a robotic scanner

      We report a compact rigid instrument capable of delivering en-face optical coherence tomography (OCT) images alongside (epi)-fluorescence endomicroscopy (FEM) images by means of a robotic scanning device. Two working imaging channels are included: one for a one-dimensional scanning, forward-viewing OCT probe and another for a fiber bundle used for the FEM system. The robotic scanning system provides the second axis of scanning for the OCT channel while allowing the field of view (FoV) of the FEM channel to be increased by mosaicking. The OCT channel has resolutions of 25  /  60  μm (axial/lateral) and can provide en-face images with ...

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    1-2 of 2
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  2. Topics in the News

    1. (1 articles) Imperial College London
    2. (1 articles) Institute of Applied Physics
    3. (1 articles) Capital Medical University
    4. (1 articles) University of Kent
    5. (1 articles) Adrian Bradu
    6. (1 articles) Grigory V. Gelikonov
    7. (1 articles) Adrian G. Podoleanu
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    En-face optical coherence tomography/fluorescence endomicroscopy for minimally invasive imaging using a robotic scanner Optical coherence tomography-based deep learning algorithm for quantification of the location of the intraocular lens Non-invasive diagnosis of acquired lymphangiectases using optical coherence tomography Depth-resolved investigation of multiple optical properties and wrinkle morphology in eye-corner areas with multi-contrast Jones matrix optical coherence tomography Lipemia Retinalis: Hyperreflective Vascular Changes, Detected by Optical Coherence Tomography Enhanced Depth Imaging Optical Coherence Tomography Technology Reveals a Significant Association Between Optic Nerve Drusen Anterior Displacement and Retinal Nerve Fiber Layer Thinning Over Time Comparison of Peripapillary Vessel Density of Acute Nonarteritic Anterior Ischemic Optic Neuropathy and Other Optic Neuropathies With Disc Swelling Using Optical Coherence Tomography Angiography: A Pilot Study Optical Coherence Tomography Angiography Characteristics and Predictors of Visual Outcomes in Patients with Acute and Chronic Nonarteritic Anterior Ischemic Optic Neuropathy Optical coherence tomography angiography characteristics of optic disc melanocytoma Comparison of Superficial and Deep Foveal Avascular Zone Area in Healthy Subjects Using Two Spectral Domain Optical Coherence Tomography Angiography Devices The role of OCT angiography in a study of retinal perfusion after endovitreal intervention due to rhegmatogenous retinal detachment Holistic treatment of heavily calcified coronary lesions: Lithoplasty guidance by optical coherence tomography