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Bit-depth scalable video coding using inter-layer prediction from high bit-depth layer

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2 Author(s)
Jui-Chiu Chiang ; Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chia-Yi ; Wen-Ting Kuo

Scalable video coding (SVC) is currently developed as an extension of H.264/AVC video coding standard. In this paper, we propose three H.264/AVC compliant bit-depth scalable video coding schemes, named LH mode (low bit-depth to high bit-depth), HL mode (high bit-depth to low bit-depth) and combined LH-HL mode for different applications. All these schemes efficiently exploit the high correlation between the high bit-depth layer and the low bit-depth layer on macroblock level. Experimental results indicate that the HL mode outperforms the other two schemes and it achieves up to 7 dB improvement over the simulcast where the high bit-depth video and low bit-depth representations are 12-bit and 8-bit, respectively.

Published in:

Acoustics, Speech and Signal Processing, 2009. ICASSP 2009. IEEE International Conference on

Date of Conference:

19-24 April 2009