Adaptive inter-layer intra prediction in scalable video coding
In the scalable video coding (SVC) standard, interlayer intra prediction (ILIP) is one of the most fundamental coding tools used to reduce bit rate. The prediction block of macroblock (MB) in enhancement layer (EL) is obtained by upsampling the co-located base layer (BL) block. In this paper, we pro...
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| creator | Wenhao Zhang Aidong Men Pinhua Chen |
| description | In the scalable video coding (SVC) standard, interlayer intra prediction (ILIP) is one of the most fundamental coding tools used to reduce bit rate. The prediction block of macroblock (MB) in enhancement layer (EL) is obtained by upsampling the co-located base layer (BL) block. In this paper, we propose a new ILIP method by introducing the adaptive signal processing techniques. Adaptive Wiener filters, which are calculated for each frame independently, are used to generate a prediction signal with minimum error energy. On average, a coding gain of 3.6% reduction of bit rate is obtained for QCIF-CIF scenario. Up to 9% bit rate reduction is achieved for CIF-4CIF scenario. |
| doi_str_mv | 10.1109/ISCAS.2009.5117896 |
| format | Conference Proceeding |
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| ispartof | 2009 IEEE International Symposium on Circuits and Systems (ISCAS), 2009, p.876-879 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bit rate Entropy Image reconstruction Interpolation Scalability Signal generators Static VAr compensators Telecommunication standards Video coding Wiener filter |
| title | Adaptive inter-layer intra prediction in scalable video coding |
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