Logo insertion in MPEG transcoder

Authors:
K. Panusopone;Xuemin Chen;Fan Ling
Affiliations:
Adv. Technol. Dept., Broadband Commun. Sector, San Diego, CA, USA;-;-
Venue:
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 200. on IEEE International Conference - Volume 02
Year:
2001

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Abstract

Various studies show that a basic architecture of an MPEG-2 transcoder consists of a cascaded decoder/encoder. Such a transcoder re-uses the motion vectors and minimizes the changes of macroblock mode. One interesting feature that can be added on this type of transcoder is to insert a translucent logo into the transcoded bit-stream.