code: protected void findAdjacentRegions(GrayS32 pixelToRegion) {
  		// -------- Do the inner pixels first
  		if( connect.length == 4 )
  			adjacentInner4(pixelToRegion);
  		else if( connect.length == 8 ) {
  			adjacentInner8(pixelToRegion);
  		}
  
  		adjacentBorder(pixelToRegion);
  	}
docs: Go through each pixel in the image and examine its neighbors according to a 4-connect rule.  If one of
  the pixels is in a region that is to be pruned mark them as neighbors. The image is traversed such that
  the number of comparisons is minimized.