code: public static List<AssociatedPair> convertToNormalizedCoordinates(List<AssociatedPair> matchedFeatures, CameraPinholeBrown intrinsic) {
  
  		Point2Transform2_F64 p_to_n = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false);
  
  		List<AssociatedPair> calibratedFeatures = new ArrayList<>();
  
  		for (AssociatedPair p : matchedFeatures) {
  			AssociatedPair c = new AssociatedPair();
  
  			p_to_n.compute(p.p1.x, p.p1.y, c.p1);
  			p_to_n.compute(p.p2.x, p.p2.y, c.p2);
  
  			calibratedFeatures.add(c);
  		}
  
  		return calibratedFeatures;
  	}
docs: Convert a set of associated point features from pixel coordinates into normalized image coordinates.