Motion Tracking in Blender 3 for Video Editing
Channel: Michael Chu
Date: 23/04/2023

We'll take our time to learn about Motion Tracking in Blender to track a subject over time. The resulting Tracking Marker can be used for a variety of purposes. In this video, we will attach it to a mask so that the mask automatically follows our subject.
Time codes:
00:00 Intro
01:30 Our sample footage with Timeline Markers
02:43 Creating a simple Mask
03:30 A Motion Tracking Workspace
04:46 Tracking Mode Interface
10:40 Tracking Settings
16:50 Track forward!
21:01 Track backward!
22:22 Tweaking Correlation
23:39 Pairing the Mask & Marker
26:42 Refining the Mask Position
29:16 Applying the Mask in VSE

Here's a tip that is not covered in the video: if you want to use your animated mask in the VSE as a mask strip, then you must set up its Start Frame and End Frame values within the Movie Clip Editor.

This video shows Blender version 3.5.0.  Other tutorials are available on my channel for version 2.79.