Real-time shading with filtered importance sampling

    Authors

    J. Krivanek;M. Colbert

    Comments

    Authors: contact us about adding a copy of your work at STARS@ucf.edu

    Abbreviated Journal Title

    Comput. Graph. Forum

    Keywords

    REFLECTANCE; Computer Science, Software Engineering

    Abstract

    We propose an analysis of numerical integration based on sampling theory, whereby the integration error caused by aliasing is suppressed by pre-filtering. We derive a pre-filter for evaluating the illumination integral yielding filtered importance sampling, a simple GPU-based rendering algorithm for image-based lighting. Furthermore, we extend the algorithm with real-time visibility computation. Free from any pre-computation, the algorithm supports fully dynamic scenes and, above all, is simple to implement.

    Journal Title

    Computer Graphics Forum

    Volume

    27

    Issue/Number

    4

    Publication Date

    1-1-2008

    Document Type

    Article; Proceedings Paper

    Language

    English

    First Page

    1147

    Last Page

    1154

    WOS Identifier

    WOS:000258223600011

    ISSN

    0167-7055

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