1. Gennifer T. Smith

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    1. Mentioned In 10 Articles

    2. Automatically Determining the Confocal Parameters from OCT B-Scans for Quantification of the Attenuation Coefficients

      Automatically Determining the Confocal Parameters from OCT B-Scans for Quantification of the Attenuation Coefficients
      The attenuation coefficient is a relevant biomarker for many diagnostic medical applications. Recently, the Depth- Resolved Confocal (DRC) technique was developed to automatically estimate the attenuation coefficients from Optical Coherence Tomography (OCT) data with pixel-level resolution. However, DRC requires that the confocal function parameters (i.e., focal plane location and apparent Rayleigh range) be known a priori. In this paper we present the autoConfocal algorithm: a simple, automatic method for ...
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    3. Multimodal 3D cancer-mimicking optical phantom

      Multimodal 3D cancer-mimicking optical phantom
      Three-dimensional (3D) organ-mimicking phantoms provide realistic imaging environments for testing various aspects of optical systems, including for evaluating new probe designs, characterizing the diagnostic potential of new technologies, and assessing novel image processing algorithms prior to validation in real tissue. We introduce and characterize the use of a new material, Dragon Skin (Smooth-On Inc.), and fabrication technique, air-brushing, for fabrication of a 3D phantom that mimics the appearance of a ...
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    4. Automated, Depth-Resolved Estimation of the Attenuation Coefficient From Optical Coherence Tomography Data

      Automated, Depth-Resolved Estimation of the Attenuation Coefficient From Optical Coherence Tomography Data
      We present a method for automated, depth-resolved extraction of the attenuation coefficient from Optical Coherence Tomography (OCT) data. In contrast to previous automated, depth-resolved methods, the Depth-Resolved Confocal (DRC) technique derives an invertible mapping between the measured OCT intensity data and the attenuation coefficient while considering the confocal function and sensitivity fall-off, which are critical to ensure accurate measurements of the attenuation coefficient in practical settings (e.g., clinical endoscopy ...
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    5. Fabrication of healthy and disease-mimicking retinal phantoms with tapered foveal pits for optical coherence tomography

      Fabrication of healthy and disease-mimicking retinal phantoms with tapered foveal pits for optical coherence tomography
      Optical coherence tomography (OCT) has become a standard tool in ophthalmology clinics for diagnosing many retinal diseases. Nonetheless, the technical and clinical communities still lack a standardized phantom that could aid in evaluating and normalizing the many protocols and systems used for diagnosis. Existing retinal phantoms are able to mimic the thickness and scattering properties of the retinal layers but are unable to model the morphology of the foveal pit ...
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    6. Automated, Depth Resolved Estimation of the Attenuation Coefficient From Optical Coherence Tomography Data

      Automated, Depth Resolved Estimation of the Attenuation Coefficient From Optical Coherence Tomography Data
      We present a method for automated , depth - resolved extraction of the attenuation coefficient from Optical Coherence Tomography (OCT) data . In contrast to previous automated , depth - resolved methods, the Depth - Resolved Confocal (DRC) technique derives an invertible mapping between the measured OCT intensity data and the attenuation coefficient while considering the confocal function and sensitivity fall-off, which are critical to ensure accurate measurements of the attenuation coefficient in practical settings (e ...
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    7. Three-dimensional, distendable bladder phantom for optical coherence tomography and white light cystoscopy

      Three-dimensional, distendable bladder phantom for optical coherence tomography and white light cystoscopy
      We describe a combination of fabrication techniques and a general process to construct a three-dimensional (3-D) phantom that mimics the size, macroscale structure, microscale surface topology, subsurface microstructure, optical properties, and functional characteristics of a cancerous bladder. The phantom also includes features that are recognizable in white light (i.e., the visual appearance of blood vessels), making it suitable to emulate the bladder for emerging white light + optical coherence tomography ...
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  2. About Gennifer T. Smith

    Gennifer T. Smith

    Gennifer T. Smith is a graduate student at Stanford University in Electrical Engineering. She received her undergraduate degree in Electrical Engineering and Biology from The University of New Mexico. Her research interests are optical-based point-of-care diagnostic devices aimed for use in low-resource areas.