References:
A3:
https://medium.com/@ahmetozlu93/marker-less-augmented-reality-by-opencv-and-opengl-531b2af0a130 https://www.oreilly.com/library/view/programming-computer-vision/9781449341916/ch04.html https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html https://www.youtube.com/watch?v=GYIQiV9Aw74
Music Gesture: