Video annotation is the process of annotating the objects of interest the video file. The main motive of video annotation is making the objects recognizable to machines through computer vision technology used to train the AI and Ml models.

What is Video Annotation in AI and Machine Learning?

Video annotation in artificial intelligence and machine learning is done to create a kind of training data sets for visual perception models recognize the various objects in the videos and learn them to detect the same automatically when used in real-life.

During the annotation a metadata is also added to tag or label the content and make it perceivable. And there are various types of annotation techniques are used to annotate such videos precisely frame-by-frame for accurate capturing of moving object. Source