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Author: search.filters.author.Agnew, Dalen W.Subject: search.filters.subject.convolutional neural networks

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    Recurrent and convolutional neural networks for sequential multispectral optoacoustic tomography (MSOT) imaging
    (2023-11-01)
    Juhong, Aniwat
    ;
    Li, Bo
    ;
    Liu, Yifan
    ;
    Yao, Cheng You
    ;
    Yang, Chia Wei
    Multispectral optoacoustic tomography (MSOT) is a beneficial technique for diagnosing and analyzing biological samples since it provides meticulous details in anatomy and physiology. However, acquiring high through-plane resolution volumetric MSOT is time-consuming. Here, we propose a deep learning model based on hybrid recurrent and convolutional neural networks to generate sequential cross-sectional images for an MSOT system. This system provides three modalities (MSOT, ultrasound, and optoacoustic imaging of a specific exogenous contrast agent) in a single scan. This study used ICG-conjugated nanoworms particles (NWs-ICG) as the contrast agent. Instead of acquiring seven images with a step size of 0.1 mm, we can receive two images with a step size of 0.6 mm as input for the proposed deep learning model. The deep learning model can generate five other images with a step size of 0.1 mm between these two input images meaning we can reduce acquisition time by approximately 71%.