Apple Vision face landmark projection in

FaceLandmarkProjection.swift

 func getTransformedPoints(
                landmark:VNFaceLandmarkRegion2D,
                faceRect:CGRect,
                imageSize:CGSize) -> [CGPoint]{
                
                // last point is 0.0
                return landmark.normalizedPoints.map({ (np) -> CGPoint in
                    return CGPoint(
                        x: faceRect.origin.x + np.x * faceRect.size.width,
                        y: imageSize.height - (np.y * faceRect.size.height + faceRect.origin.y))
                })
            }