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<table width="100%" summary="page for crcrec {Rwave}"><tr><td>crcrec {Rwave}</td><td align="right">R Documentation</td></tr></table>
<h2>Crazy Climbers Reconstruction by Penalization</h2>
<h3>Description</h3>
<p>
Reconstructs a real valued signal from the output of <code><a href="crc.html">crc</a></code>
(wavelet case) by minimizing an appropriate quadratic form.
</p>
<h3>Usage</h3>
<pre>
crcrec(siginput, inputwt, beemap, noct, nvoice, compr, minnbnodes=2,
w0=2 * pi, bstep=5, ptile=0.01, epsilon=0, fast=FALSE, para=5, real=FALSE,
plot=2)
</pre>
<h3>Arguments</h3>
<table summary="R argblock">
<tr valign="top"><td><code>siginput</code></td>
<td>
original signal.
</td></tr>
<tr valign="top"><td><code>inputwt</code></td>
<td>
wavelet transform.
</td></tr>
<tr valign="top"><td><code>beemap</code></td>
<td>
occupation measure, output of <code><a href="crc.html">crc</a></code>.
</td></tr>
<tr valign="top"><td><code>noct</code></td>
<td>
number of octaves.
</td></tr>
<tr valign="top"><td><code>nvoice</code></td>
<td>
number of voices per octave.
</td></tr>
<tr valign="top"><td><code>compr</code></td>
<td>
compression rate for sampling the ridges.
</td></tr>
<tr valign="top"><td><code>minnbnodes</code></td>
<td>
minimal number of points per ridge.
</td></tr>
<tr valign="top"><td><code>w0</code></td>
<td>
center frequency of the wavelet.
</td></tr>
<tr valign="top"><td><code>bstep</code></td>
<td>
size (in the time direction) of the steps for chaining.
</td></tr>
<tr valign="top"><td><code>ptile</code></td>
<td>
relative threshold of occupation measure.
</td></tr>
<tr valign="top"><td><code>epsilon</code></td>
<td>
constant in front of the smoothness term in penalty function.
</td></tr>
<tr valign="top"><td><code>fast</code></td>
<td>
if set to TRUE, uses trapezoidal rule to evaluate $Q_2$.
</td></tr>
<tr valign="top"><td><code>para</code></td>
<td>
scale parameter for extrapolating the ridges.
</td></tr>
<tr valign="top"><td><code>real</code></td>
<td>
if set to TRUE, uses only real constraints.
</td></tr>
<tr valign="top"><td><code>plot</code></td>
<td>
1: displays signal,components,and
reconstruction one after another. 2: displays
signal, components and reconstruction.
</td></tr>
</table>
<h3>Details</h3>
<p>
When ptile is high, boundary effects may appeare.
para controls extrapolation of the ridge.
</p>
<h3>Value</h3>
<p>
Returns a structure containing the following elements:
</p>
<table summary="R argblock">
<tr valign="top"><td><code>rec</code></td>
<td>
reconstructed signal.
</td></tr>
<tr valign="top"><td><code>ordered</code></td>
<td>
image of the ridges (with different colors).
</td></tr>
<tr valign="top"><td><code>comp</code></td>
<td>
2D array containing the signals reconstructed from ridges.
</td></tr>
</table>
<h3>References</h3>
<h3>See Also</h3>
<p>
<code><a href="crc.html">crc</a></code>, <code><a href="cfamily.html">cfamily</a></code>, <code><a href="scrcrec.html">scrcrec</a></code>.
</p>
<hr><div align="center">[Package <em>Rwave</em> version 1.24 <a href="00Index.html">Index]</a></div>
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