Method and apparatus for tagging video frames

Details Method and apparatus for tagging video frames Method and apparatus for tagging video frames

H - Electricity

04

N

H04N 5/275 (2006.01) H04N 5/76 (2006.01) H04N 7/08 (2006.01) H04N 7/169 (2006.01) H04N 7/171 (2006.01) H04N 9/80 (2006.01)

Patent

CA 2084453

91-3-130 METHOD AND APPARATUS FOR TAGGING VIDEO FRAMES ABSTRACT Method and apparatus for tagging fields in television format having active portions. A video encoder at the source of the fields embeds at least one repetitive series of pseudo-random characters with marks in the active portions of fields. The position of each of the marks corresponding to one or more of the characters. The marks pseudo-randomly change position with subsequent fields.

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