Is there C++ API for Delaunay triangulation in OpenCV?

Question

I\'m trying to implement one of active appearance models (AMM) and on one of the steps I need to get triangulated mesh of a face, e.g.:

Answer 1

OpenCV has C++ API for delaunay triangulation, but unfortunately it is not documented.

Here are the class Subdiv2D implementing delaunay algorithm and usage example.