1. Articles from Yi Zhou

    1-3 of 3
    1. Semi-Supervised Capsule cGAN for Speckle Noise Reduction in Retinal OCT Images

      Semi-Supervised Capsule cGAN for Speckle Noise Reduction in Retinal OCT Images

      Speckle noise is the main cause of poor optical coherence tomography (OCT) image quality. Convolutional neural networks (CNNs) have shown remarkable performances for speckle noise reduction. However, speckle noise denoising still meets great challenges because the deep learning-based methods need a large amount of labeled data whose acquisition is time-consuming or expensive. Besides, many CNNs-based methods design complex structure based networks with lots of parameters to improve the denoising performance, which consume hardware resources severely and are prone to overfitting. To solve these problems, we propose a novel semi-supervised learning based method for speckle noise denoising in retinal OCT images ...

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    2. Nanosensitive optical coherence tomography to assess wound healing within the cornea

      Nanosensitive optical coherence tomography to assess wound healing within the cornea

      Optical Coherence Tomography (OCT) is a non-invasive depth resolved optical imaging modality, that enables high resolution, cross-sectional imaging in biological tissues and materials at clinically relevant depths. Though OCT offers high resolution imaging, the best ultra-high-resolution OCT systems are limited to imaging structural changes with a resolution of one micron on a single B-scan within very limited depth. Nanosensitive OCT (nsOCT) is a recently developed technique that is capable of providing enhanced sensitivity of OCT to structural changes. Improving the sensitivity of OCT to detect structural changes at the nanoscale level, to a depth typical for conventional OCT, could potentially ...

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    3. Spatial frequency domain correlation mapping optical coherence tomography for nanoscale structural characterization

      Spatial frequency domain correlation mapping optical coherence tomography for nanoscale structural characterization

      Most of the fundamental pathological processes in living tissues exhibit changes at the nanoscale. Noninvasive, label-free detection of structural changes in biological samples pose a significant challenge to both researchers and healthcare professionals. It is highly desirable to be able to resolve these structural changes, during physiological processes, both spatially and temporally. Modern nanoscopy largely requires labeling, is limited to superficial 2D imaging, and is generally not suitable for in vivo applications. Furthermore, it is becoming increasingly evident that 2D biology often does not translate into the real 3D situation. Here, we present a method, spatial frequency domain correlation mapping ...

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    1-3 of 3
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  2. Topics in the News

    1. (2 articles) National University of Ireland, Galway
    2. (1 articles) Soochow University
    3. (1 articles) Martin J. Leahy
    4. (1 articles) Compact Imaging, Inc
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    Spatial frequency domain correlation mapping optical coherence tomography for nanoscale structural characterization Nanosensitive optical coherence tomography to assess wound healing within the cornea Semi-Supervised Capsule cGAN for Speckle Noise Reduction in Retinal OCT Images Systems and methods for reflectance-based projection-resolved optical coherence tomography angiography Health collaborations forged at CIIE begin to bear fruit Method for determining the topography of the cornea of an eye Optical measurement system using multicore optical fiber Fiber optic rotary joints and methods of using and manufacturing same High performance OCTA enabled by combining features of shape, intensity, and complex decorrelation A Novel 3D Segmentation Approach for Extracting Retinal Layers from Optical Coherence Tomography Images Assessing the Outcomes of Focused Heating of the Skin by a Long-Pulsed 1064 nm Laser with an Integrated Scanner, Infrared Thermal Guidance, and Optical Coherence Tomography Albumin‐PEG‐Based Biomaterial for Laser‐Tissue Soldering and Its Real‐Time Monitoring With Swept‐Source Optical Coherence Tomography