![I wasn't completely happy about trackballs on market. So I 3D printed and build my own. 34mm ball, press button and roll ball to scroll. Easy to configure faster and slower tracking. I wasn't completely happy about trackballs on market. So I 3D printed and build my own. 34mm ball, press button and roll ball to scroll. Easy to configure faster and slower tracking.](https://i.redd.it/3r2b0oyu4kv51.jpg)
I wasn't completely happy about trackballs on market. So I 3D printed and build my own. 34mm ball, press button and roll ball to scroll. Easy to configure faster and slower tracking.
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Multi‐camera 3D ball tracking framework for sports video - Wu - 2020 - IET Image Processing - Wiley Online Library
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A comprehensive survey of LIDAR-based 3D object detection methods with deep learning for autonomous driving - ScienceDirect
![Multi‐camera 3D ball tracking framework for sports video - Wu - 2020 - IET Image Processing - Wiley Online Library Multi‐camera 3D ball tracking framework for sports video - Wu - 2020 - IET Image Processing - Wiley Online Library](https://ietresearch.onlinelibrary.wiley.com/cms/asset/a6606c72-98ed-4db3-a0cf-c56c55b55a1f/ipr2bf02912-fig-0002-m.jpg)
Multi‐camera 3D ball tracking framework for sports video - Wu - 2020 - IET Image Processing - Wiley Online Library
![Frontiers | Testing the Effects of 3D Multiple Object Tracking Training on Near, Mid and Far Transfer Frontiers | Testing the Effects of 3D Multiple Object Tracking Training on Near, Mid and Far Transfer](https://www.frontiersin.org/files/MyHome%20Article%20Library/513513/513513_Thumb_400.jpg)
Frontiers | Testing the Effects of 3D Multiple Object Tracking Training on Near, Mid and Far Transfer
![Physics-based ball tracking and 3D trajectory reconstruction with applications to shooting location estimation in basketball video - ScienceDirect Physics-based ball tracking and 3D trajectory reconstruction with applications to shooting location estimation in basketball video - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S104732030800117X-gr6.jpg)