Down-Sampling Based Video Coding Using Super-Resolution Technique

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2011
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Xue, Ping
Wang, Ci
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IEEE Transactions on Circuits and Systems for Video Technology. 2011, 21(6), pp. 755-765. ISSN 1051-8215. eISSN 1558-2205. Available under: doi: 10.1109/TCSVT.2011.2130390
Zusammenfassung

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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ISO 690SHEN, 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. 2011, 21(6), pp. 755-765. ISSN 1051-8215. eISSN 1558-2205. Available under: doi: 10.1109/TCSVT.2011.2130390
BibTex
@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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