G_054.mp4 -

: The g_05 or g_054 portion indicates the group ID . Researchers use these groups to ensure that videos of the same person or setting are kept together in either the training or testing set to prevent "data leakage."

If you are working with a specific project, "g_054.mp4" likely belongs to one of these actions: g_054.mp4

: The "g" often stands for a specific "group" or category of action. In the UCF101 dataset, for instance, a file like v_ApplyEyeMakeup_g05_c04.avi (often converted to .mp4 ) would represent the activity Apply Eye Makeup . : The g_05 or g_054 portion indicates the group ID

In these academic contexts, "features" usually refer to the following: In these academic contexts, "features" usually refer to

: In a technical sense, the "features" for this video would be the optical flow (movement between frames) or deep learning descriptors (like I3D or C3D features) extracted from the pixels to help a machine "see" the action. Common Contexts

: Activities like Baby Crawling , Bench Press , or Biking . Kinetics : A much larger set of human-object interactions.