-**OpenPose C++ API**: See [doc/library_introduction.md](doc/library_introduction.md).
-**Adding an extra module**: Check [doc/library_add_new_module.md](./library_add_new_module.md).
-**Adding an extra module**: Check [doc/library_add_new_module.md](./doc/library_add_new_module.md).
-**Standalone face or hand detector**:
-**Face** keypoint detection **without body** keypoint detection: If you want to speed it up (but also reduce amount of detected faces), check the OpenCV-face-detector approach in [doc/standalone_face_or_hand_keypoint_detector.md](doc/standalone_face_or_hand_keypoint_detector.md).
