According to another aspect of the disclosure, {TAIL ~ modifications} are temporally made to all frames in {HEAD ~ a video stream}, selected frames in a video stream, or a single frame in a video stream 
According to another aspect of the disclosure , { TAIL ~ modifications } are temporally made to all frames in { HEAD ~ a video stream } , selected frames in a video stream , or a single frame in a video stream
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH