Entry Ward:2003:FRI from jgraphtools.bib

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BibTeX entry

@Article{Ward:2003:FRI,
  author =       "Greg Ward",
  title =        "Fast, Robust Image Registration for Compositing High
                 Dynamic Range Photographcs from Hand-Held Exposures",
  journal =      j-J-GRAPHICS-TOOLS,
  volume =       "8",
  number =       "2",
  pages =        "17--30",
  year =         "2003",
  CODEN =        "JGTOFD",
  ISSN =         "1086-7651",
  ISSN-L =       "1086-7651",
  bibdate =      "Sat Dec 04 10:50:51 2004",
  bibsource =    "http://www.math.utah.edu/pub/tex/bib/jgraphtools.bib",
  URL =          "http://www.acm.org/jgt/papers/Ward03/",
  abstract =     "In this paper, we present a fast, robust, and
                 completely automatic method for translational alignment
                 of hand-held photographs. The technique employs
                 percentile threshold bitmaps to accelerate image
                 operations and avoid problems with the varying exposure
                 levels used in high dynamic range (HDR) photography. An
                 image pyramid is constructed from grayscale versions of
                 each exposure, and these are converted to bitmaps and
                 aligned horizontally and vertically using inexpensive
                 shift and difference operations over each image. The
                 cost of the algorithm is linear with respect to the
                 number of pixels and effectively independent of the
                 maximum translation. A three million pixel exposure can
                 be aligned in a fraction of a second on a contemporary
                 microprocessor using this technique.",
  acknowledgement = ack-nhfb,
  journal-URL =  "http://www.tandfonline.com/loi/ujgt20",
}

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