\name{barbara}
\alias{barbara}
\title{Barbara Test Image}
\description{
  The Barbara image comes from Allen Gersho's lab at the University of
  California, Santa Barbara.
}
\usage{data(barbara)
}
\format{A 256 \eqn{\times}{x} 256 matrix.
}
\source{Internet.
}
%\references{}
\keyword{datasets}
