Effects of MGS fragmentation, slice mode and extraction strategies on the performance of SVC with medium-grained scalability
- 1 September 2010
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 4201-4204
- https://doi.org/10.1109/icip.2010.5650771
Abstract
This paper presents a comparison of a wide set of MGS fragmentation configurations of SVC in terms of their PSNR performance, with the slice mode on or off, using multiple extraction methods. We also propose a priority-based hierarchical extraction method which outperforms other extraction schemes for most MGS configurations. Experimental results show that splitting the MGS layer into more than five fragments, when the slice mode is on, may result in noticeable decrease in the average PSNR. It is also observed that for videos with large key frame enhancement NAL units, MGS fragmentation and/or slice mode have positive impact on the PSNR of the extracted video at low bitrates. While using slice mode without MGS fragmentation may improve the PSNR performance at low rates, it may result in uneven video quality within frames due to varying quality of slices. Therefore, we recommend combined use of up to five MGS fragments and slice mode, especially for low bitrate video applications.Keywords
This publication has 3 references indexed in Scilit:
- Optimized Bit Extraction Using Distortion Modeling in the Scalable Extension of H.264/AVCIEEE Transactions on Image Processing, 2009
- Overview of the Scalable Video Coding Extension of the H.264/AVC StandardIEEE Transactions on Circuits and Systems for Video Technology, 2007
- Optimized Rate-Distortion Extraction with Quality LayersPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2006