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whose size is within a certain range. Note that, although large objects may
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whose size is within a certain range. Note that, although large objects may
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be removed from the catalogue by filtering out those with {\tt ISOAREAF\_IMAGE}
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be removed from the catalogue by filtering out those with {\tt ISOAREAF\_IMAGE}
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larger than some threshold, these detections would still appear in the
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larger than some threshold, these detections would still appear in the
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check-image. If it is required that large objects be not present in it,
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check-image. If it is required that large objects be not present in it,
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{\tt DETECT\_MAXAREA} should be used in order to effectively exclude them from
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{\tt DETECT\_MAXAREA} should be used in order to effectively exclude them from
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the check-image.
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the check-image. See fig. \ref{fig:detect_maxarea_example} for an example.
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%---------------------------------- Fig. segmentmeth --------------------------------
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\begin{figure}[htbp]
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\centerline{\includegraphics[width=14cm]{ps/detect_maxarea_example.ps}}
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\caption{Example on how the {\tt DETECT\_MAXAREA} parameter can be used in order
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not to detect objects larger than a determined number of pixels.
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{\em Left}: close-up of the original image.
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{\em Center}: {\tt OBJECTS} check-image generated without {\tt DETECT\_MAXAREA}.
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{\em Right}: {\tt OBJECTS} check-image with {\tt DETECT\_MAXAREA} = 100.
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}
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\label{fig:detect_maxarea_example}
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\end{figure}
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\subsection{Deblending}
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\subsection{Deblending}
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\label{chap:deblending}
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\label{chap:deblending}
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Each time an object extraction is completed, the connected set of
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Each time an object extraction is completed, the connected set of
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