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Deep Learning-Trained Neural Network Reconstructs OCT Images

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LOS ANGELES, Aug. 12, 2021 — A team of UCLA and University of Houston (UH) scientists, led by Aydogan Ozcan in collaboration with Kirill Larin, used deep learning to train a neural network to rapidly reconstruct OCT images using undersampled spectral data. Although the deep-learning-based image reconstruction method was given significantly less spectral data than standard image reconstruction methods, it was able to reconstruct high-quality images without any spatial artifacts. When undersampled spectral data is used with standard image reconstruction methods, it typically results in severe spatial artifacts in the...Read full article

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    Published: August 2021
    Glossary
    neural network
    A computing paradigm that attempts to process information in a manner similar to that of the brain; it differs from artificial intelligence in that it relies not on pre-programming but on the acquisition and evolution of interconnections between nodes. These computational models have shown extensive usage in applications that involve pattern recognition as well as machine learning as the interconnections between nodes continue to compute updated values from previous inputs.
    deep learning
    Deep learning is a subset of machine learning that involves the use of artificial neural networks to model and solve complex problems. The term "deep" in deep learning refers to the use of deep neural networks, which are neural networks with multiple layers (deep architectures). These networks, often called deep neural networks or deep neural architectures, have the ability to automatically learn hierarchical representations of data. Key concepts and components of deep learning include: ...
    interferometry
    The study and utilization of interference phenomena, based on the wave properties of light.
    Research & TechnologyeducationAmericasUCLAAydogan OzcanImagingOCTneural networkdeep learningimage reconstructionspectral dataOpticsBiophotonicsinterferometrymedicaldata processing

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