指先認識、OpenCVの輪郭、肌色のノート

Vision-Based Finger Action Recognition by Angle Detection and Contour Analysis
https://onlinelibrary.wiley.com/doi/pdf/10.4218/etrij.11.0110.0313

XNNPack can't be built natively on ARM Raspberry pi 4 by Bazel
https://github.com/google/mediapipe/issues/1346

https://nalinc.github.io/blog/2018/skin-detection-python-opencv/
https://arxiv.org/ftp/arxiv/papers/1708/1708.02694.pdf
skin color paper
https://www.cs.rutgers.edu/~elgammal/pub/skin.pdf

OpenCV 色空間
https://www.learnopencv.com/color-spaces-in-opencv-cpp-python/

Contours-detection
http://www.robindavid.fr/opencv-tutorial/chapter5-line-edge-and-contours-detection.html

opencv カメラの解像度
https://www.codingforentrepreneurs.com/blog/open-cv-python-change-video-resolution-or-scale

https://www.youtube.com/watch?v=5zgLtQh5_lk
ハンドモデルのまとめ
https://qiita.com/nonbiri15/items/6abaade346512fcb8c92

日本語のOpenCV
http://labs.eecs.tottori-u.ac.jp/sd/Member/oyamada/OpenCV/html/py_tutorials/py_imgproc/py_contours/py_table_of_contents_contours/py_table_of_contents_contours.html

輪郭
https://docs.opencv.org/master/d4/d73/tutorial_py_contours_begin.html

肌の色について面白いペーパー
http://perso.usthb.dz/~slarabi/Papers/paperIVC2020.pdf