- WASB for ball detection: https://github.com/nttcom/wasb-sbdt

- OpenCV for Ball detection: https://www.youtube.com/watch?v=RaCwLrKuS1w&ab_channel=CodeSavant
                             https://pyimagesearch.com/2015/09/14/ball-tracking-with-opencv/

- Object tracking: https://github.com/murthylab/pybmt
                   https://pyimagesearch.com/2018/07/30/opencv-object-tracking/
                   https://www.analyticsvidhya.com/blog/2020/03/ball-tracking-cricket-computer-vision/
                   https://github.com/uditarora/cricket-umpire-assistance
                   https://learnopencv.com/object-tracking-using-opencv-cpp-python/

- Point tracking: https://github.com/facebookresearch/co-tracker
                  https://co-tracker.github.io/

- OpticalFlow: https://docs.opencv.org/3.4/d4/dee/tutorial_optical_flow.html
               https://mpolinowski.github.io/docs/IoT-and-Machine-Learning/ML/2021-12-10--opencv-optical-flow-tracking/2021-12-10/
               https://viso.ai/deep-learning/optical-flow/
               https://medium.com/thedeephub/object-tracking-and-path-mapping-using-lucas-kanade-optical-flow-in-opencv-2ea018e391d4
               https://www.youtube.com/watch?v=lnXFcmLB7sM&list=PL2zRqk16wsdoYzrWStffqBAoUY8XdvatV&ab_channel=FirstPrinciplesofComputerVision

- The physics of Bowling: https://www.real-world-physics-problems.com/physics-of-bowling.html#:~:text=The%20optimal%20trajectory%20of%20a,the%20pins%20are%20knocked%20down.

- tennis project: https://github.com/ArtLabss/tennis-tracking

- volley project: https://github.com/LorenzoCastiglia/sport-events

- youtube videos: https://www.youtube.com/watch?v=7d-zjVNiXKA&ab_channel=AndrewAndersonBowling
                  https://www.youtube.com/watch?v=u8B5XXvtQek&ab_channel=TenpinDoctors-JRRaymond

- more youtube videos never used: https://www.youtube.com/watch?v=iZJBV-wjKo0&ab_channel=TheHype                (7:55)
                                  https://www.youtube.com/watch?v=k5pJbpIScN8&t=170s&ab_channel=BradandKyle     (6:51)
                                  https://www.youtube.com/watch?v=CACAmH4r1fw&t=8s&ab_channel=DudePerfect       (4:11)
                                  https://www.youtube.com/watch?v=wSB9JvsBT4M&t=105s&ab_channel=DudePerfect     (1:26) (4:16)
                                  https://www.youtube.com/watch?v=6AdlrhFZdhY&ab_channel=TheHouseBowling        (11:47)
                                  https://www.youtube.com/watch?v=eZm8TgOs6WU&ab_channel=BradandKyle            (7:35) (9:24) (9:35) (16:16)
                                  https://www.youtube.com/watch?v=YISxyICiwmA                                   (2:35) (3:38) (4:12) slightly moving
                                  https://www.youtube.com/watch?v=XfExSyhW0H0                                   a lot
                                  https://www.youtube.com/watch?v=4fz3Ul5_Y1Y                                   a lot
                                  https://www.youtube.com/watch?v=KKHXbBQ7UFI                                   a lot

=================================================================================================================

UTILITY:

- Python and IPython: https://ipython.readthedocs.io/en/stable/interactive/magics.html
                      https://www.youtube.com/watch?v=3q80zPZyyyM&ab_channel=technologyCult