| Lecturer(s) | Andreas Krutz and Alexander Glantz and Michael Frater and Thomas Sikora |
| Subject | Rate-Distortion Optimized Video Coding using Automatic Sprites |
| Conference/Event | IEEE-Thematic Meetings on Signal Processing (IEEE-THEMES): Emerging Technologies for Video Compression |
| Date | 11.09.2011 |
| Address | Brussels, Belgium |
| Organisation | IEEE |
| Abstract | Object-based video coding has been of interest for many years. Recent work by the authors has shown that a video coding system using background Sprites with automatic segmentation and background subtraction can indeed perform better than the H.264/AVC coder. In this paper, we extend this work by developing a rate-distortion optimization approach for an object-based coder. A key issue addressed by this approach is the joint choice of quantization parameters for the foreground and background. The performance of the resulting rate-distortion optimized coder is far superior to that of H.264/AVC for source material with dominant global motion, across a range of bit rates. |
| Key words | video coding, sprite generation, rate-distortion optimization |
| DOI | 10.1109/JSTSP.2011.2166247 |