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    Comparison of GPU-based Methods for Handling Point Cloud Occlusion

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    Date
    2021
    Author
    López, Alfonso ORCID
    Jurado, Juan Manuel ORCID
    Padrón, Emilio José ORCID
    Ogayar, Carlos Javier
    Feito, Francisco Ramón
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    Abstract
    Three-dimensional point clouds have conventionally been used along with several sources of information. This fusion can be performed by projecting the point cloud into the image plane and retrieving additional data for each point. Nevertheless, the raw projection omits the occlusion caused by foreground surfaces, thus assigning wrong information to 3D points. For large point clouds, testing the occlusion of each point from every viewpoint is a time-consuming task. Hence, we propose several algorithms implemented in GPU and based on the use of z-buffers. Given the size of nowadays point clouds, we also adapt our methodologies to commodity hardware by splitting the point cloud into several chunks. Finally, we compare their performance through the response time.
    BibTeX
    @inproceedings {10.2312:ceig.20211364,
    booktitle = {Spanish Computer Graphics Conference (CEIG)},
    editor = {Ortega, Lidia M. and Chica, Antonio},
    title = {{Comparison of GPU-based Methods for Handling Point Cloud Occlusion}},
    author = {López, Alfonso and Jurado, Juan Manuel and Padrón, Emilio José and Ogayar, Carlos Javier and Feito, Francisco Ramón},
    year = {2021},
    publisher = {The Eurographics Association},
    ISBN = {978-3-03868-160-1},
    DOI = {10.2312/ceig.20211364}
    }
    URI
    https://doi.org/10.2312/ceig.20211364
    https://diglib.eg.org:443/handle/10.2312/ceig20211364
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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA