Multiple Description Coding for Stereoscopic Videos With Stagger Frame Order
Multiple Description Coding for Stereoscopic Videos With Stagger Frame Order
复制标题
具有交错帧顺序的立体视频的多重描述编码
DOI:
10.1109/tcsvt.2014.2367391
复制
发表时间:
2015-06
影响因子:
8.4
通讯作者:
Jimin Xiao
中科院分区:
文献类型:
--
作者:
林春雨;Yao Zhao;Tammam Tillo;Jimin Xiao
Due to the prediction structures employed in video coding, the loss of one packet will affect many following frames. In this paper, a multiple description coding scheme with stagger frame order is proposed for stereoscopic 3-D videos. First, the reference and auxiliary views in stereoscopic sequences will be asymmetrically encoded into one description, whereas the other description will be formed in the same way with one dumb frame delay. Because of the stagger frame order, the coarsely encoded B frames will be inserted into different positions of the two descriptions. If a certain frame encoded with I/P mode is lost, then its corresponding B-frame version will be employed to compensate for the loss. In each description, the quantization steps of B frames are tuned based on a closed-form solution that considers the video contents, network status, frame positions in the group of picture, and the layer of the views. For further improvement, a fusing scheme is provided. The experimental results demonstrate that the proposed scheme outperforms state-of-the-art schemes. Specifically, up to 1.3-dB gain is achieved in the case of packet loss, and 2-dB gain is obtained for the side/central performance.
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影响因子:
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DOI:
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发表时间:
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期刊:
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影响因子:
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DOI:
10.1109/vcip.2011.6115975
发表时间:
2011-12
期刊:
2011 Visual Communications and Image Processing (VCIP)
影响因子:
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