@Override
  public boolean equals(Object o) {
    return o instanceof KuwaharaFilterTransformation;
  }
Kuwahara all the colors in the image.
<p>
The radius to sample from when creating the brush-stroke effect, with a default of 25.
The larger the radius, the slower the filter.
transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/KuwaharaFilterTransformation.java