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    ARTICLE

    Optical-CT Dual-Modality Mapping Base on DRR Registration

    Qingyang Zang1, Dongsheng Li1, Chunxiao Chen1,*, Jianfei Li1

    Molecular & Cellular Biomechanics, Vol.16, No.4, pp. 253-263, 2019, DOI:10.32604/mcb.2019.06999

    Abstract Optical-CT dual-modality imaging requires the mapping between 2D fluorescence images and 3D body surface light flux. In this paper, we proposed an optical-CT dual-modality image mapping algorithm based on the Digitally Reconstructed Radiography (DRR) registration. In the process of registration, a series of DRR images were computed from CT data using the ray casting algorithm. Then, the improved HMNI similarity strategy based on Hausdorff distance was used to complete the registration of the white-light optical images and DRR virtual images. According to the corresponding relationship obtained by the image registration and the Lambert’s cosine law More >

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