1. Mingtao Zhao

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    1. Mentioned In 17 Articles

    2. 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 ...
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    3. Sapphire lens-based optical fiber probe for optical coherence tomography

      Sapphire lens-based optical fiber probe for optical coherence tomography
      A probe for an optical coherence tomography system according to an embodiment of the current invention includes a sheath having a proximal end and a distal end and defining a lumen therein, an optical fiber disposed at least partially within the lumen of said sheath, and a sapphire lens attached to the distal end of the sheath to form a fluid-tight seal to prevent fluid from entering the lumen of ...
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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 ...
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    5. Sapphire LENS-BASED Optical Fiber Probe For Optical Coherence Tomography

      Sapphire LENS-BASED Optical Fiber Probe For Optical Coherence Tomography
      A probe for an optical coherence tomography system according to an embodiment of the current invention includes a sheath having a proximal end and a distal end and defining a lumen therein, an optical fiber disposed at least partially within the lumen of said sheath, and a sapphire lens attached to the distal end of the sheath to form a fluid-tight seal to prevent fluid from entering the lumen of ...
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    6. Robot-assisted three-dimensional registration for cochlear implant surgery using a common-path swept-source optical coherence tomography probe

      Robot-assisted three-dimensional registration for cochlear implant surgery using a common-path swept-source optical coherence tomography probe
      Cochlear implantation offers the potential to restore sensitive hearing in patients with severe to profound deafness. However, surgical placement of the electrode array within the cochlea can produce trauma to sensorineural components, particularly if the initial turn of the cochlea is not successfully navigated as the array is advanced. In this work, we present a robot-mounted common-path swept-source optical coherence tomography endoscopic platform for three-dimensional (3-D) optical coherence tomography (OCT ...
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    7. Extravascular Optical Coherence Tomography - Evaluation of Carotid Atherosclerosis and Pravastatin Therapy

      Extravascular Optical Coherence Tomography - Evaluation of Carotid Atherosclerosis and Pravastatin Therapy
      Background and Purpose Extravascular optical coherence tomography (OCT), as a noninvasive imaging methodology with micrometer resolution, was evaluated in a murine model of carotid atherosclerosis by way of assessing the efficacy of pravastatin therapy. Methods An OCT device was engineered for extravascular plaque imaging. Wild-type mice and apolipoprotein Edeficient (ApoE / ) mice were randomized to 3 treatment groups: (1) wild-type on a diet of standard rodent chow (n=13); (2) ApoE ...
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    8. Optical Coherence Tomography System And Method For REAL-TIME Surgical Guidance

      Optical Coherence Tomography System And Method For REAL-TIME Surgical Guidance
      An optical coherence tomography (OCT) system for real-time surgical guidance includes an optical source, an optical fiber configured to be optically coupled to the optical source, a plurality of OCT sensor heads configured to be optically coupled to the optical fiber, an optical detector configured to be optically coupled to the optical fiber, a signal processor configured to communicate with the optical detector to receive detected signals therefrom, and a ...
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    9. Methods, systems, and computer readable media for synthetic wavelength-based phase unwrapping in optical coherence tomography and spectral domain phase microscopy

      Methods, systems, and computer readable media for synthetic wavelength-based phase unwrapping in optical coherence tomography and spectral domain phase microscopy
      In accordance with this disclosure, methods, systems, and computer readable media for synthetic wavelength-based phase unwrapping in optical coherence tomography are provided. Synthetic wavelength phase unwrapping can be applied to OCT data and can correctly resolve sample motions that are larger than .lamda..sub.o/2. A method for phase unwrapping of an OCT signal can include acquiring raw OCT signal data, interpolating and processing the OCT signal data to ...
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    10. Sensing and three-dimensional imaging of cochlea and surrounding temporal bone using swept source high-speed optical coherence tomography

      Sensing and three-dimensional imaging of cochlea and surrounding temporal bone using swept source high-speed optical coherence tomography
      ...l imaging of cochlea and surrounding temporal bone using swept source high-speed optical coherence tomography Mingtao Zhao ; Wade W. Chien ; Russ Taylor ; Iulian Iordachita ; Yong Huang ; John Niparko ; Jin U. Kang; Sens...
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    11. Sapphire ball lens-based fiber probe for common-path optical coherence tomography and its applications in corneal and retinal imaging

      Sapphire ball lens-based fiber probe for common-path optical coherence tomography and its applications in corneal and retinal imaging
      ...nal Manuscript: September 12, 2012 Manuscript Accepted: October 3, 2012 Published: November 19, 2012 Citation Mingtao Zhao, Yong Huang, and Jin U. Kang, "Sapphire ball lens-based fiber probe for common-path optical coher...
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    12. Corneal biometry from volumetric SDOCT and comparison with existing clinical modalities

      Corneal biometry from volumetric SDOCT and comparison with existing clinical modalities
      We present a comparison of corneal biometric values from dense volumetric spectral domain optical coherence tomography (SDOCT) scans to reference values in both phantoms and clinical subjects. We also present a new optically based “keratometric equivalent power” formula for SDOCT that eliminates previously described discrepancies between corneal power form SDOCT and existing clinical modalities. Phantom objects of varying radii of curvature and corneas of normal subjects were imaged with a ...
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    13. 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 ...
      Read Full Article
    14. Synthetic wavelength-based phase unwrapping in Fourier domain optical coherence tomography

      Phase-sensitive adjuncts to optical coherence tomography (OCT) including Doppler and polarization-sensitive implementations allow for quantitative depth-resolved measurements of sample structure and dynamics including fluid flows and orientation of birefringent structures. The development of Fourier-domain OCT (FDOCT), particularly spectrometer-based spectral-domain systems with no moving parts (spectral-domain OCT or SDOCT), have greatly enhanced the phase stability of OCT systems particularly when implemented in a common-path geometry. The latter combination has given rise ...
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    15. 1-17 of 17
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  2. About Mingtao Zhao

    Mingtao Zhao

    Mingtao Zhao is a researcher at Duke University. Mingtao is an international student who graduated from Xi’an Jiaotong University, China. Prior research areas include: patterned wafer surface inspection, infrared imaging, BGA 3D profile measurement, Electronic Speckle Pattern Interferometry (ESPI), shadow Moiré 3D Profilometry, and image processing. Now, he is pursuing a Ph.D degree in Biomedical Engineering at Dr.Izatt’s Biophotonics Lab. His current research field focuses on High Speed Fourier Domain Optical Coherence Topography (HSFDOCT).