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.

sample video credits

Using the package manager pip.

pip install -r requirements.txt

cd models
bash downloader.sh
cd ..

python3 head_pose_from_image.py -h

python3 head_pose_from_webcam.py -h

#### For source 0 and focal length 1
python3 head_pose_from_webcam.py -f 1 -s 4

python3 Visualize3DModel.py