A frame of reference in physics, may refer to a coordinate system or Cartesian coordinate system within which to measure the position, orientation , and other properties of objects in it, or it may refer to an observational reference frame tied to the state of motion of an Observer .... , in physics
Reference frames are video frames of a video compression that are used to define future frames. As such, they are only used in Video_compression#Intraframe_vs_interframe_compression techniques.... , frames of a compressed video that are used to define future frames
