Head Pose estimation in real-time video

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I need to do head pose estimation in live camera video. I have tried with few options like POSIT and shervin Emami's code.

The problem is that I couldnt find any code that uses live video as input. Can anyone suggest good opensource code or methods to find head-pose.

Input: Frames from the camera.

Expected output: Finding the pose of the face.

It would be great if I get an links or codes if any. Also I am planning to do the same application in Android and IOS so like to have few useful links which may help me.