1. Articles from Shengting Cao

    1-2 of 2
    1. Multi-scale reconstruction of undersampled spectral-spatial OCT data for coronary imaging using deep learning

      Multi-scale reconstruction of undersampled spectral-spatial OCT data for coronary imaging using deep learning

      Coronary artery disease (CAD) is a cardiovascular condition with high morbidity and mortality. Intravascular optical coherence tomography (IVOCT) has been considered as an optimal imagining system for the diagnosis and treatment of CAD. Constrained by Nyquist theorem, dense sampling in IVOCT attains high resolving power to delineate cellular structures/features. There is a trade-off between high spatial resolution and fast scanning rate for coronary imaging. In this paper, we propose a viable spectral-spatial acquisition method that down-scales the sampling process in both spectral and spatial domain while maintaining high quality in image reconstruction. The down-scaling schedule boosts data acquisition speed ...

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    2. Inpainting for Saturation Artifacts in Optical Coherence Tomography using Dictionary-based Sparse Representation

      Inpainting for Saturation Artifacts in Optical Coherence Tomography using Dictionary-based Sparse Representation

      Saturation artifacts in optical coherence tomography (OCT) occur when received signal exceeds the dynamic range of spectrometer. Saturation artifact shows a streaking pattern and could impact the quality of OCT images, leading to inaccurate medical diagnosis. In this paper, we automatically localize saturation artifacts and propose an artifact correction method via inpainting. We adopt a dictionary-based sparse representation scheme for inpainting. Experimental results demonstrate that, in both case of synthetic artifacts and real artifacts, our method outperforms interpolation method and Euler's elastica method in both qualitative and quantitative results. The generic dictionary offers similar image quality when applied to ...

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) University of Alabama
    2. (1 articles) Mount Sinai School of Medicine
    3. (1 articles) Shanghai Jiao Tong University
    4. (1 articles) University of Bologna
    5. (1 articles) University of Cambridge
    6. (1 articles) FDA
    7. (1 articles) Notal Vision
    8. (1 articles) Topcon Medical Systems
    9. (1 articles) Tomey Corporation
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