| Paper: | TP-L3.3 |
| Session: | H.264 Video Coding I |
| Time: | Tuesday, September 18, 15:10 - 15:30 |
| Presentation: |
Lecture
|
| Title: |
TRANSCODING FROM H.264/AVC TO SVC WITH CGS LAYERS |
| Authors: |
Jan De Cock; Ghent University - IBBT | | |
| | Stijn Notebaert; Ghent University - IBBT | | |
| | Rik Van de Walle; Ghent University - IBBT | | |
| Abstract: |
In this paper, we show that it is possible to efficiently transcode single-layer H.264/AVC bitstreams to SNR-scalable SVC streams with CGS layers. Using requantization error compensation techniques, our architecture is able to restrain the drift that arises due to the absence of a closed prediction loop at the different dependency layers. Implementation results show that transcoding can generate SVC bitstreams with rate-distortion performance approaching that of the rate-distortion optimal encoder within 1 to 2 dB. Gains of more than 2 dB are obtained when compared to open-loop requantization. |
