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Complexity and quality assessment of MPEG-2 to H.264/AVC intra transcoding architectures

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Abstract
Transcoding is used in order to enable elegant adaptation of video sequences without fully decoding and recoding. For efficiency reasons, special attention is paid to transform-domain adaptation of video sequences, hereby avoiding the cost of forward and inverse DCT or, in the case of H.264/AVC, integer transforms. In this paper we compare different architectures for MPEG-2 to H.264/AVC intra transcoding, both in pixel and transform domain. We provide a complexity and quality discussion of both architectures, and propose an alternative architecture which results in improved quality over the transform-domain approach at reduced computational complexity. We show that the complexity can be even further reduced by using a combination of different techniques. This results in the fastest transcoding architecture for all intra prediction modes while approaching the visual quality of the optimal rate-distortion curve.

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Chicago
Notebaert, Stijn, Jan De Cock, Kenneth Vermeirsch, and Rik Van de Walle. 2007. “Complexity and Quality Assessment of MPEG-2 to H.264/AVC Intra Transcoding Architectures.” In 2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3, 1131–1134. New York: IEEE.
APA
Notebaert, Stijn, De Cock, J., Vermeirsch, K., & Van de Walle, R. (2007). Complexity and quality assessment of MPEG-2 to H.264/AVC intra transcoding architectures. 2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3 (pp. 1131–1134). Presented at the 9th International Symposium on Signal Processing and its Applications, New York: IEEE.
Vancouver
1.
Notebaert S, De Cock J, Vermeirsch K, Van de Walle R. Complexity and quality assessment of MPEG-2 to H.264/AVC intra transcoding architectures. 2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3. New York: IEEE; 2007. p. 1131–4.
MLA
Notebaert, Stijn, Jan De Cock, Kenneth Vermeirsch, et al. “Complexity and Quality Assessment of MPEG-2 to H.264/AVC Intra Transcoding Architectures.” 2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3. New York: IEEE, 2007. 1131–1134. Print.
@inproceedings{750935,
  abstract     = {Transcoding is used in order to enable elegant adaptation of video sequences without fully decoding and recoding. For efficiency reasons, special attention is paid to transform-domain adaptation of video sequences, hereby avoiding the cost of forward and inverse DCT or, in the case of H.264/AVC, integer transforms. In this paper we compare different architectures for MPEG-2 to H.264/AVC intra transcoding, both in pixel and transform domain. We provide a complexity and quality discussion of both architectures, and propose an alternative architecture which results in improved quality over the transform-domain approach at reduced computational complexity. We show that the complexity can be even further reduced by using a combination of different techniques. This results in the fastest transcoding architecture for all intra prediction modes while approaching the visual quality of the optimal rate-distortion curve.},
  author       = {Notebaert, Stijn and De Cock, Jan and Vermeirsch, Kenneth and Van de Walle, Rik},
  booktitle    = {2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3},
  isbn         = {978-1-4244-0778-1},
  language     = {eng},
  location     = {Sharjah, U ARAB EMIRATES},
  pages        = {1131--1134},
  publisher    = {IEEE},
  title        = {Complexity and quality assessment of MPEG-2 to H.264/AVC intra transcoding architectures},
  year         = {2007},
}

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