if (faceFrame.TrackSuccessful)
{
// 获取动画单位系数 Animation Units coeffs.
var AUCoeff = faceFrame.GetAnimationUnitCoefficients();
var jawLowerer = AUCoeff[AnimationUnit.JawLower];
jawLowerer = jawLowerer < 0 ? 0 : jawLowerer;
MouthScaleTransform.ScaleY = jawLowerer * 5 + 0.1;
MouthScaleTransform.ScaleX = (AUCoeff[AnimationUnit.LipStretcher] + 1);
LeftBrow.Y = RightBrow.Y = (AUCoeff[AnimationUnit.BrowLower]) * 40;
RightBrowRotate.Angle = (AUCoeff[AnimationUnit.BrowRaiser] * 20);
LeftBrowRotate.Angle = -RightBrowRotate.Angle;
CanvasRotate.Angle = faceFrame.Rotation.Z;
//CanvasTranslate.X = faceFrame.Translation.X;
//CanvasTranslate.Y = faceFrame.Translation.Y;
}