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Requantization transcoding in pixel and frequency domain for intra 16x16 in H.264/AVC

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Abstract
In the context of Universal Multimedia Access, efficient techniques are needed for the adaptation of video content. An important example is the reduction of the bitrate in order to satisfy the bandwidth constraints imposed by the network or the decoding capability of the terminal devices. Requantization transcoding is a fast technique for bitrate reduction, and has been successfully applied in previous video coding standards such as MPEG-2. In this paper, we examine requantization in H.264/AVC, focusing on the intra 16 x 16 prediction modes. Due to the newly introduced coding tools in H.264/AVC, new techniques are needed that are able to lower the bitrate at a minimal quality loss. We propose two novel architectures, one in the pixel domain and one in the frequency domain, that reuse the information from the incoming bitstream in an efficient way, and perform approximately equally well as a cascade of decoder and encoder. Due to their low computational complexity, the introduced architectures are highly suitable for on-the-fly video adaptation scenarios.

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Chicago
De Cock, Jan, Stijn Notebaert, Peter Lambert, Davy De Schrijver, and Rik Van de Walle. 2006. “Requantization Transcoding in Pixel and Frequency Domain for Intra 16x16 in H.264/AVC.” Ed. J Blanc Talon, Wilfried Philips, D Popescu, and P Scheunders. Lecture Notes in Computer Science 4179: 533–544.
APA
De Cock, J., Notebaert, S., Lambert, P., De Schrijver, D., & Van de Walle, R. (2006). Requantization transcoding in pixel and frequency domain for intra 16x16 in H.264/AVC. (J Blanc Talon, W. Philips, D. Popescu, & P. Scheunders, Eds.)LECTURE NOTES IN COMPUTER SCIENCE, 4179, 533–544. Presented at the 8th International Conference on Advanced Concepts for Intelligent Vision Systems.
Vancouver
1.
De Cock J, Notebaert S, Lambert P, De Schrijver D, Van de Walle R. Requantization transcoding in pixel and frequency domain for intra 16x16 in H.264/AVC. Blanc Talon J, Philips W, Popescu D, Scheunders P, editors. LECTURE NOTES IN COMPUTER SCIENCE. Berlin, Germany: Springer; 2006;4179:533–44.
MLA
De Cock, Jan, Stijn Notebaert, Peter Lambert, et al. “Requantization Transcoding in Pixel and Frequency Domain for Intra 16x16 in H.264/AVC.” Ed. J Blanc Talon et al. LECTURE NOTES IN COMPUTER SCIENCE 4179 (2006): 533–544. Print.
@article{365421,
  abstract     = {In the context of Universal Multimedia Access, efficient techniques are needed for the adaptation of video content. An important example is the reduction of the bitrate in order to satisfy the bandwidth constraints imposed by the network or the decoding capability of the terminal devices. Requantization transcoding is a fast technique for bitrate reduction, and has been successfully applied in previous video coding standards such as MPEG-2. In this paper, we examine requantization in H.264/AVC, focusing on the intra 16 x 16 prediction modes. Due to the newly introduced coding tools in H.264/AVC, new techniques are needed that are able to lower the bitrate at a minimal quality loss. We propose two novel architectures, one in the pixel domain and one in the frequency domain, that reuse the information from the incoming bitstream in an efficient way, and perform approximately equally well as a cascade of decoder and encoder. Due to their low computational complexity, the introduced architectures are highly suitable for on-the-fly video adaptation scenarios.},
  author       = {De Cock, Jan and Notebaert, Stijn and Lambert, Peter and De Schrijver, Davy and Van de Walle, Rik},
  editor       = {Blanc Talon, J and Philips, Wilfried and Popescu, D and Scheunders, P},
  isbn         = {3-540-44630-3},
  issn         = {0302-9743},
  journal      = {LECTURE NOTES IN COMPUTER SCIENCE},
  language     = {eng},
  location     = {Antwerp, Belgium},
  pages        = {533--544},
  publisher    = {Springer},
  title        = {Requantization transcoding in pixel and frequency domain for intra 16x16 in H.264/AVC},
  volume       = {4179},
  year         = {2006},
}

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