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<H3><A NAME="SECTION0020921200000000000000">
VISUAL/PERS</A>
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<DIV ALIGN="CENTER">
VISUAL/PERS Wavelet [out_file] [Disp] [Visu_Mode] [Incr] [Thres] [Display]
</DIV>
Visualizes the wavelet transform of an image in perspective. A file
is created and loaded in the window if the parameter <EM>Display</EM>
equal to Y (Y by default) ( figures <A HREF="node325.html#fig_pers">14.14</A> and
<A HREF="node326.html#fig_pers_pyr">14.18</A>). The default name of the output file is <EM>file_visu.bdf</EM>. The image is loaded in the window number <EM>Disp</EM>
(default is 1). <EM>Visu_Mode</EM> can take the value CO or BW (color
or black and white). <EM>Incr</EM> is a parameter which defines the
number of lines of the image used. If <EM>Incr</EM> = 3, only on line on
3 are used (default value is 1). <EM>Threshold</EM> is a parameter which
defines the maximum value which is taken into account. All the values
superior to this maximum are set to the maximum. The maximum value
<I>M</I><SUB><I>j</I></SUB> at the scale <I>j</I> is:
<BR><P></P>
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<!-- MATH: \begin{displaymath}
M = \sigma_j * \mbox{Threshold}
\end{displaymath} -->
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SRC="img881.gif"
ALT="\begin{displaymath}M = \sigma_j * \mbox{Threshold}\end{displaymath}">
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The default value is 5.
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<ADDRESS>
<I>Petra Nass</I>
<BR><I>1999-06-15</I>
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