: In a research setting, this file is usually paired with a .json or .csv file containing ground-truth labels, such as timestamps for the start and end of an action. Primary Use Cases
: If part of a medical or psychological study, the video may be used to analyze micro-expressions or motor-skill fluency. Usage Context g4_0116.mp4
: MP4 (MPEG-4 Part 14), a digital multimedia container format most commonly used to store video and audio. : In a research setting, this file is usually paired with a