Head Pose Estimation - OpenCV

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

2022.3.4: head_pose_from_image.py 已经添加了一些注释

需要知道的一些事情

• 原理介绍：Head Pose Estimation using OpenCV and Dlib
• 设置焦距
• TODO: dlib 是做什么的
• 预测模型是做什么用的(shape_predictor_68_face_landmarks.dat)

如何使用

Installation

Using the package manager pip.

pip install -r requirements.txt

cd models
bash downloader.sh
cd ..

Usage

Get Pose From Image

python head_pose_from_image.py -h

Get Pose From Webcame

python head_pose_from_webcam.py -h

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

3D model visualization

python Visualize3DModel.py