In computer vision pose estimation specifically refers to the relative orientation of the object with respect to a camera. Pose estimation often referred to as a Perspective-n-Point problem or PNP problem in computer vision.

Using the package manager pip.

pip install -r requirements.txt

cd models
bash downloader.sh
cd ..

python sample.py

#### For source 0 and focal length 1
python head_pose_from_webcam.py -f 1 -s 0

python Visualize3DModel.py