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