Motion detection is tracking the motion of a moving object through several frames. There are various ways to detect motion in a video. OpenCV has several algorithms that can be used to detect motion. In this video, Lukas Kanade Optical Flow is used, one of the most famous motion detectors, for tracking the motion of an object.
The code explanation will be found on the video: https://youtu.be/twGITed0k0Q
The code is available here: https://t.me/ucexplained