This filter creates superpixels based on k-means clustering.
Superpixels are small cluster of pixels that share similar properties. Superpixels simplifies images with a great number of pixels making them more easy to be treated in many domains (computer vision, pattern recognition and machine intelligence). GIMP's aim is more humble: create a posterization effect.
k-means clustering is one of the most used algorithms to create superpixels. Superpixel color is the mean of pixels color in the corresponding region.
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These options are described in Section 2, “Common Features”. |
Increasing regions size collects more pixels, and so superpixels size increases also.
Superpixels borders may be irregular. Increasing this option gives superpixels more regular border.
How many times filter is repeated. Increasing this value gives more details.