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    Real-time Multi-perspective Rendering on Graphics Hardware

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    Date
    2006
    Author
    Hou, Xianyou
    Wei, Li-Yi
    Shum, Heung-Yeung
    Guo, Baining
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    Abstract
    Multi-perspective rendering has a variety of applications; examples include lens refraction, curved mirror re- flection, caustics, as well depiction and visualization. However, multi-perspective rendering is not yet practical on polygonal graphics hardware, which so far has utilized mostly single-perspective (pin-hole or orthographic) projections. In this paper, we present a methodology for real-time multi-perspective rendering on polygonal graphics hardware. Our approach approximates a general multi-perspective projection surface (such as a curved mirror and lens) via a piecewise-linear triangle mesh, upon which each triangle is a simple multi-perspective camera, parameterized by three rays at triangle vertices. We derive analytic formula showing that each triangle projection can be implemented as a pair of vertex and fragment programs on programmable graphics hardware. We demonstrate real-time performance of a variety of applications enabled by our technique, including reflection, refraction, caustics, and visualization.
    BibTeX
    @inproceedings {10.2312:EGWR:EGSR06:093-102,
    booktitle = {Symposium on Rendering},
    editor = {Tomas Akenine-Moeller and Wolfgang Heidrich},
    title = {{Real-time Multi-perspective Rendering on Graphics Hardware}},
    author = {Hou, Xianyou and Wei, Li-Yi and Shum, Heung-Yeung and Guo, Baining},
    year = {2006},
    publisher = {The Eurographics Association},
    ISSN = {1727-3463},
    ISBN = {3-905673-35-5},
    DOI = {10.2312/EGWR/EGSR06/093-102}
    }
    URI
    http://dx.doi.org/10.2312/EGWR/EGSR06/093-102
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    • EGSR06: 17th Eurographics Symposium on Rendering

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    Eurographics Association copyright © 2013 - 2023 
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