QGIS/python/plugins/processing/algs/otb/description/5.0.0/doc/KMeansClassification.html

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</head><body><h1>KMeansClassification</h1><h2>Brief Description</h2>Unsupervised KMeans image classification<h2>Tags</h2>Segmentation,Learning<h2>Long Description</h2>Performs unsupervised KMeans image classification.<h2>Parameters</h2><ul><li><b>[param] -in</b> &lt;string&gt; Input image to classify.. Mandatory: True. Default Value: &quot;&quot;</li><li><b>[param] -out</b> &lt;string&gt; Output image containing the class indexes.. Mandatory: True. Default Value: &quot;&quot;</li><li><b>[param] -ram</b> &lt;int32&gt; Available memory for processing (in MB). Mandatory: False. Default Value: &quot;128&quot;</li><li><b>[param] -vm</b> &lt;string&gt; Validity mask. Only non-zero pixels will be used to estimate KMeans modes.. Mandatory: False. Default Value: &quot;&quot;</li><li><b>[param] -ts</b> &lt;int32&gt; Size of the training set (in pixels).. Mandatory: False. Default Value: &quot;100&quot;</li><li><b>[param] -nc</b> &lt;int32&gt; Number of modes, which will be used to generate class membership.. Mandatory: True. Default Value: &quot;5&quot;</li><li><b>[param] -maxit</b> &lt;int32&gt; Maximum number of iterations for the learning step.. Mandatory: False. Default Value: &quot;1000&quot;</li><li><b>[param] -ct</b> &lt;float&gt; Convergence threshold for class centroid (L2 distance, by default 0.0001).. Mandatory: False. Default Value: &quot;0.0001&quot;</li><li><b>[param] -outmeans</b> &lt;string&gt; Output text file containing centroid positions. Mandatory: False. Default Value: &quot;&quot;</li><li><b>[param] -rand</b> &lt;int32&gt; Set specific seed. with integer value.. Mandatory: False. Default Value: &quot;0&quot;</li><li><b>[param] -inxml</b> &lt;string&gt; Load otb application from xml file. Mandatory: False. Default Value: &quot;&quot;</li><li><b>[param] -outxml</b> &lt;string&gt; Save otb application to xml file. Mandatory: False. Default Value: &quot;&quot;</li></ul><h2>Limitations</h2>None<h2>Authors</h2>OTB-Team<h2>See Also</h2> <h2>Example of use</h2><ul><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">in: QB_1_ortho.tif</p></li><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">ts: 1000</p></li><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">nc: 5</p></li><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">maxit: 1000</p></li><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">ct: 0.0001</p></li><li><p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">out: ClassificationFilterOutput.tif</p></li></ul></body></html>