threshold

This function thresholds an array or vector, setting elements below the
threshold value to zero. The threshold can be given literally or calculated
using k-means clustering.

Provides tools for performing mathematical morphology operations,
such as erosion and dilation, on data of arbitrary dimensionality. Can also
be used for finding connected components, resampling, filtering, smoothing
and other image processing-style operations.

Jon Clayden

mmand

Mathematical Morphology in Any Number of Dimensions

threshold function

<dl><dt>x</dt>
<dd>A numeric vector or array.</dd>
<dt>level</dt>
<dd>The literal threshold level, if required.</dd>
<dt>method</dt>
<dd>The method to use to calculate the threshold. If
<code>"literal"</code> (the default) then the value of <code>level</code> will be
used. If <code>"kmeans"</code> then the threshold value will be determined
implicitly using k-means clustering.</dd>
<dt>binarise</dt>
<dd>Whether to set suprathreshold elements to unity (if
<code>TRUE</code>), or leave them at their original values (if <code>FALSE</code>).</dd></dl>

Arguments

Jon Clayden &lt;code@clayden.org&gt;

Author

Threshold a numeric array or vector — threshold

<dl>

<dt>x</dt>
<dd>A numeric vector or array.</dd>


<dt>level</dt>
<dd>The literal threshold level, if required.</dd>


<dt>method</dt>
<dd>The method to use to calculate the threshold. If
<code>"literal"</code> (the default) then the value of <code>level</code> will be
used. If <code>"kmeans"</code> then the threshold value will be determined
implicitly using k-means clustering.</dd>


<dt>binarise</dt>
<dd>Whether to set suprathreshold elements to unity (if
<code>TRUE</code>), or leave them at their original values (if <code>FALSE</code>).</dd>

</dl>

threshold: Threshold a numeric array or vector

Description

Usage

Arguments

Author

See Also

Examples