Move facial point using opencv

Need to move facial points in the given image.

I need to move the Points ( 2 ) and ( 3 ) to some distance left and right respectively. And point ( 18 ) and ( 19 ) litte bit down. So that I will get an expression like opened mouth. So

1. How can i move these points?
2. Can i move these points on the same image or either have to create new one?

and saw the given link but none of one given the answer. So please help me

[http://ift.tt/1RkqEhH]

And i didn't get proper solution from this given url.

How to relocate face points in opencv / face distortion

Thanks in advance.