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[/] [overview.tex] - Diff between revs 19 and 25

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\gam{I omitted the dashes from ``Flag map'', ``Weight map'' (using InkScape).}
\gam{I omitted the dashes from ``Flag map'', ``Weight map'' (using InkScape).}
              }
              }
      \label{fig:layout}
      \label{fig:layout}
   \end{figure}
   \end{figure}
 
 
The complete analysis of an image is done in two passes through the data. During the first pass, a
The complete analysis of an \index{image} image is done in two passes through the data. During the first pass, a
model of the sky background is built, and several global statistics are estimated. During the
\index{mode} model of the sky background is built, and several global statistics are estimated. During the
second pass, the image is background-subtracted, filtered and thresholded ``on-the-fly''.
second pass, the \index{image} image is background-subtracted, filtered and \index{threshold} thresholded ``on-the-fly''.
Detections are then deblended, pruned (``CLEANed''), photometered, classified and finally written
Detections are then deblended, pruned (``CLEANed''), photometered, classified and finally written
to the output catalogue. The following sections describe each of these
to the output catalogue. The following sections describe each of these
operations in more detail.\footnote{In the text, uppercase keywords in typewriter font refer to parameters from the
operations in more detail.\footnote{In the text, uppercase keywords in typewriter font refer to parameters from the
configuration file or from the parameter file}
\index{configuration file} configuration file or from the \index{parameter file} parameter file}
 
 
 
 
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