code: func (d *Detector) clearRegions(detectedRegions Regions) {
  	for _, region := range detectedRegions {
  		if len(region) > 30 {
  			d.SkinRegions = append(d.SkinRegions, region)
  		}
  	}
  }
docs: // clean up function
  // only push regions which are bigger than a specific amount to the final resul