Entry Keating:1999:ESA from jgraphtools.bib

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BibTeX entry

@Article{Keating:1999:ESA,
  author =       "Brett Keating",
  title =        "Efficient Shadow Antialiasing Using an {$A$}-Buffer",
  journal =      j-J-GRAPHICS-TOOLS,
  volume =       "4",
  number =       "3",
  pages =        "23--33",
  year =         "1999",
  CODEN =        "JGTOFD",
  ISSN =         "1086-7651",
  ISSN-L =       "1086-7651",
  bibdate =      "Thu Oct 12 17:08:13 2000",
  bibsource =    "http://www.acm.org/jgt/issues.html;
                 http://www.math.utah.edu/pub/tex/bib/jgraphtools.bib",
  URL =          "http://www.acm.org/jgt/papers/Keating99/",
  abstract =     "The Z-buffer shadow algorithm is a popular method for
                 producing hard shadows. However, antialiasing of the
                 shadow edges is necessary. This paper provides a new
                 technique for antialiasing of shadow edges that is
                 based on the A-buffer hidden-surface algorithm, which
                 uses bitmasks to describe the area of a pixel occupied
                 by an object. Compared to percentage-closer filtering,
                 which is the standard method for antialiasing shadow
                 edges, the new technique is much faster and has no
                 noisiness present in the blurred regions.",
  acknowledgement = ack-nhfb,
  journal-URL =  "http://www.tandfonline.com/loi/ujgt20",
}

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