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Viterbi-like joint optimization of stereo extraction for on-line rate adaptation in scalable multiview video coding

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Özbek, Nükhet

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The concept of Quality Layers (QL) has been adopted in the SVC standard in order to ensure optimal rate adaptation of pre-coded video in the rate-distortion sense [1]. We have previously extended QL to multiview scalable video for efficient transport of 3DTV over the Internet [2]. However, it is not possible to use the QL method in applications that require real-time encoding since priority determination process assumes the availability of the whole stereo video sequence. In this work, a Viterbi-like on-line, joint optimization of right and left view rate-adaptation is proposed for real-time scalable stereo video coding (with one GoP delay). We assume that the encoder/extractor is aware of the available dynamic network bandwidth in order to perform rate-distortion optimized MGS layer selection for each GoP. Experimental results show that the performance of proposed on-line method is comparable to that of QL that would require the whole stereo sequence.

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Institute of Electrical and Electronics Engineers (IEEE)

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Electrical electronics engineering, Imaging systems, Photography

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2010 IEEE International Conference on Image Processing

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10.1109/ICIP.2010.5651297

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