Down-Sampling Based Video Coding Using Super-Resolution Technique
Down-Sampling Based Video Coding Using Super-Resolution Technique
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2011
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IEEE Transactions on Circuits and Systems for Video Technology ; 21 (2011), 6. - pp. 755-765. - ISSN 1051-8215. - eISSN 1558-2205
Abstract
It has been reported that oversampling a still image before compression does not guarantee a good image quality. Similarly, down-sampling before video compression in low bit rate video coding may alleviate the blocking effect and improve peak signal-to-noise ratio of the decoded frames. When the number of discrete cosine transform coefficients is reduced in such a down-sampling based coding (DBC), the bit budget of each coefficient will increase, thus reduce the quantization error. A DBC video coding scheme is proposed in this paper, where a super-resolution technique is employed to restore the down-sampled frames to their original resolutions. The performance improvement of the proposed DBC scheme is analyzed at low bit rates, and verified by experiments.
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004 Computer Science
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SHEN, Minmin, Ping XUE, Ci WANG, 2011. Down-Sampling Based Video Coding Using Super-Resolution Technique. In: IEEE Transactions on Circuits and Systems for Video Technology. 21(6), pp. 755-765. ISSN 1051-8215. eISSN 1558-2205. Available under: doi: 10.1109/TCSVT.2011.2130390BibTex
@article{Shen2011DownS-30658, year={2011}, doi={10.1109/TCSVT.2011.2130390}, title={Down-Sampling Based Video Coding Using Super-Resolution Technique}, number={6}, volume={21}, issn={1051-8215}, journal={IEEE Transactions on Circuits and Systems for Video Technology}, pages={755--765}, author={Shen, Minmin and Xue, Ping and Wang, Ci} }
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