The Accumulation Buffer: Hardware Support for High-Quality Rendering

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The Accumulation Buffer: Hardware Support for High-Quality Rendering (1990)

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by Paul Haeberli , Kurt Akeley

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178 - 3 self

BibTeX

@INPROCEEDINGS{Haeberli90theaccumulation,
    author = {Paul Haeberli and Kurt Akeley},
    title = {The Accumulation Buffer: Hardware Support for High-Quality Rendering},
    booktitle = {},
    year = {1990},
    pages = {309--318}
}

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Abstract

This paper describes a system architecture that supports realtime generation of complex images, efficient generation of extremely high-quality images, and a smooth trade-off between the two. Based on the paradigm of integration, the architecture extends a state-of-the-art rendering system with an additional high-precision image buffer. This additional buffer, called the Accumulation Buffer, is used to integrate images that are rendered into the framebuffer. While originally conceived as a solution to the problem of aliasing, the Accumulation Buffer provides a general solution to the problems of motion blur and depth-of-field as well. Because the architecture is a direct extension of current workstation rendering technology, we begin by discussing the performance and quality characteristics of that technology. The problem of spatial aliasing is then discussed, and the Accumulation Buffer is shown to be a desirable solution. Finally the generality of the Accumulation Buffer is explored, concentrating on its application to the problems of motion blur, depth-of-field, and soft shadows.

Keyphrases

accumulation buffer hardware support high-quality rendering motion blur high-quality image smooth trade-off quality characteristic direct extension state-of-the-art rendering system soft shadow desirable solution current workstation system architecture spatial aliasing complex image additional high-precision image buffer realtime generation general solution additional buffer efficient generation

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