1. Yali Jia

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    1. Mentioned In 124 Articles

    2. Optimization of the split-spectrum amplitude-decorrelation angiography algorithm on a spectral optical coherence tomography system

      Optimization of the split-spectrum amplitude-decorrelation angiography algorithm on a spectral optical coherence tomography system
      The split-spectrum amplitude-decorrelation angiography algorithm was optimized on a spectral optical coherence tomography system using a flow phantom. The number of times the spectrum was split and the bandwidth of each split were adjusted to maximize the flow phantom decorrelation signal-to-noise ratio. The improvement in flow detection was then demonstrated with en face retinal angiograms. The optimized algorithm increased the detectable retinal microvascular flow and decreased the variability of the ...
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    3. Post-doctoral fellowship in Optical Coherence Tomography at Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA

      Post-doctoral fellowship in Optical Coherence Tomography at Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
      ...rocessing and image processing are also desirable. Please visit www.COOLLab.net ; www.octangio.net or contact Yali Jia (jiaya@ohsu.edu)

      A postdoctoral research fellowship is immediately available in the Center for Oph...

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    4. OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY FEATURES OF DIABETIC RETINOPATHY

      OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY FEATURES OF DIABETIC RETINOPATHY
      Purpose: To describe the optical coherence tomography angiography features of diabetic retinopathy. Methods: Using a 70 kHz optical coherence tomography and the split-spectrum amplitude decorrelation angiography algorithm, 6 mm x 6 mm 3-dimensional angiograms of the macula of 4 patients with diabetic retinopathy were obtained and compared with fluorescein angiography for features cataloged by the Early Treatment of Diabetic Retinopathy Study. Results: Optical coherence tomography angiography detected enlargement and distortion ...
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    5. Automated choroidal neovascularization detection algorithm for optical coherence tomography angiography

      Automated choroidal neovascularization detection algorithm for optical coherence tomography angiography
      Optical coherence tomography angiography has recently been used to visualize choroidal neovascularization (CNV) in participants with age-related macular degeneration. Identification and quantification of CNV area is important clinically for disease assessment. An automated algorithm for CNV area detection is presented in this article. It relies on denoising and a saliency detection model to overcome issues such as projection artifacts and the heterogeneity of CNV. Qualitative and quantitative evaluations were performed ...
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    6. En face Doppler total retinal blood flow measurement with 70 kHz spectral optical coherence tomography

      En face Doppler total retinal blood flow measurement with 70 kHz spectral optical coherence tomography
      An automated algorithm was developed for total retinal blood flow (TRBF) using 70-kHz spectral optical coherence tomography (OCT). The OCT was calibrated for the transformation from Doppler shift to speed based on a flow phantom. The TRBF scan pattern contained five repeated volume scans ( 2 2 mm ) obtained in 3 s and centered on central retinal vessels in the optic disc. The TRBF was calculated using an en face Doppler ...
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    7. Macular Perfusion in Healthy Chinese: An Optical Coherence Tomography Angiogram Study

      Macular Perfusion in Healthy Chinese: An Optical Coherence Tomography Angiogram Study
      Purpose. To investigate macular perfusion in healthy Chinese individuals and examine its dependence on age and sex. Methods. Healthy adult Chinese individuals were recruited. Macular perfusion was measured by spectral-domain optical coherence tomography (OCT) using the split-spectrum amplitude-decorrelation angiography (SSADA) algorithm. The parafoveal flow index and vessel area density as well as the area of the foveal capillary-free zone (CFZ) were quantified. Results. A total of 76 eyes in 45 ...
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    8. Optical Coherence Tomography Angiography of Peripapillary Retinal Blood Flow Response to Hyperoxia

      Optical Coherence Tomography Angiography of Peripapillary Retinal Blood Flow Response to Hyperoxia
      Purpose. To measure the change in peripapillary retinal blood flow in response to hyperoxia by using optical coherence tomography (OCT) angiography. Methods. One eye of each healthy human participants (six) was scanned with a commercial high-speed (70 kHz) spectral OCT. Scans were captured twice after 10-minute exposures to normal breathing (baseline) and hyperoxia. Blood flow was detected by the split-spectrum amplitude-decorrelation angiography (SSADA) algorithm. Peripapillary retinal blood flow index and ...
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    9. Clinical OCT Angiography Atlas (Textbook)

      Clinical OCT Angiography Atlas (Textbook)
      Guide to the understanding and interpretation of Angio-OCT Provides complete overview of technique and interpretation, including terminology Describes use of OCT for diagnosis of ocular diseases and disorders in different parts of the eye, and future developments Highly illustrated with more than 250 clinical images Internationally recognised editor and author team comprising leading clinicians and researchers in ophthalmology and OCT imaging
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    10. Noninvasive Ocular Angiography by Optical Coherence Tomography (Book Chapter)

      Noninvasive Ocular Angiography by Optical Coherence Tomography (Book Chapter)
      Diabetic retinopathy, age-related macular degeneration, and glaucoma are all associated with impaired circulation. Noninvasive assessment of ocular circulation would be very powerful for understanding and diagnosing these eye diseases. Using high-speed optical coherence tomography (OCT), we developed a new OCT angiography algorithm called split-spectrum amplitude-decorrelation angiography (SSADA) for imaging ocular microcirculation. Here, the system and theory of this novel OCT angiography technique are reviewed; its capabilities for imaging retinal, choroidal ...
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    11. OHSU Receives a NIH Grant for Functional Optical Coherence Tomography-Derived Biomarkers for Diabetic Retinopathy

      OHSU Receives a NIH Grant for Functional Optical Coherence Tomography-Derived Biomarkers for Diabetic Retinopathy
      ...ional Optical Coherence Tomography-Derived Biomarkers for Diabetic Retinopathy. The principal investigator is Yali Jia. The program geban in 2014 and ends in 2017. Below is a summary of the proposed work.

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    12. 91-105 of 124 « 1 2 3 4 5 6 7 8 9 »
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