Advanced search
Add to list

Combined SNR and temporal scalability for H.264/AVC using requantization transcoding and hierarchical B pictures

Author
Organization
Abstract
Requantization transcoding is a fast technique for video bitrate reduction. In our previous work, we proposed a hybrid architecture for the requantization of H.264/AVC bitstreams. In this architecture, the B pictures were open-loop transcoded. When B pictures are not used as reference for coding neighboring pictures, this is an acceptable approach, since the requantization errors, originating from the B pictures, can not propagate to other pictures. In this paper, however, we compare different transcoding methods in case the coded video streams are composed of hierarchical B pictures. Here, the necessity for compensating the accumulated requantization error in reference B pictures needs to be investigated. We show that extended compensation techniques result in transcoded sequences that approach the rate-distortion optimal decoder-encoder cascade within I dB. Compensation of intra-coded macroblocks only is proven to be a low-complexity alternative, with only minor concessions in rate-distortion performance.
Keywords
scalability, h.264/AVC

Citation

Please use this url to cite or link to this publication:

MLA
De Cock, Jan, Stijn Notebaert, and Rik Van de Walle. “Combined SNR and Temporal Scalability for H.264/AVC Using Requantization Transcoding and Hierarchical B Pictures.” 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5. Ed. X Zhuang & W Gao. New York, NY, USA: IEEE, 2007. 448–451. Print.
APA
De Cock, J., Notebaert, S., & Van de Walle, R. (2007). Combined SNR and temporal scalability for H.264/AVC using requantization transcoding and hierarchical B pictures. In X. Zhuang & W. Gao (Eds.), 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5 (pp. 448–451). Presented at the 2007 IEEE International Conference on Multimedia and Expo (ICME 2007), New York, NY, USA: IEEE.
Chicago author-date
De Cock, Jan, Stijn Notebaert, and Rik Van de Walle. 2007. “Combined SNR and Temporal Scalability for H.264/AVC Using Requantization Transcoding and Hierarchical B Pictures.” In 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5, ed. X Zhuang and W Gao, 448–451. New York, NY, USA: IEEE.
Chicago author-date (all authors)
De Cock, Jan, Stijn Notebaert, and Rik Van de Walle. 2007. “Combined SNR and Temporal Scalability for H.264/AVC Using Requantization Transcoding and Hierarchical B Pictures.” In 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5, ed. X Zhuang and W Gao, 448–451. New York, NY, USA: IEEE.
Vancouver
1.
De Cock J, Notebaert S, Van de Walle R. Combined SNR and temporal scalability for H.264/AVC using requantization transcoding and hierarchical B pictures. In: Zhuang X, Gao W, editors. 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5. New York, NY, USA: IEEE; 2007. p. 448–51.
IEEE
[1]
J. De Cock, S. Notebaert, and R. Van de Walle, “Combined SNR and temporal scalability for H.264/AVC using requantization transcoding and hierarchical B pictures,” in 2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5, Beijing, PR China, 2007, pp. 448–451.
@inproceedings{417095,
  abstract     = {Requantization transcoding is a fast technique for video bitrate reduction. In our previous work, we proposed a hybrid architecture for the requantization of H.264/AVC bitstreams. In this architecture, the B pictures were open-loop transcoded. When B pictures are not used as reference for coding neighboring pictures, this is an acceptable approach, since the requantization errors, originating from the B pictures, can not propagate to other pictures. In this paper, however, we compare different transcoding methods in case the coded video streams are composed of hierarchical B pictures. Here, the necessity for compensating the accumulated requantization error in reference B pictures needs to be investigated. We show that extended compensation techniques result in transcoded sequences that approach the rate-distortion optimal decoder-encoder cascade within I dB. Compensation of intra-coded macroblocks only is proven to be a low-complexity alternative, with only minor concessions in rate-distortion performance.},
  author       = {De Cock, Jan and Notebaert, Stijn and Van de Walle, Rik},
  booktitle    = {2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5},
  editor       = {Zhuang, X and Gao, W},
  isbn         = {9781424410163},
  keywords     = {scalability,h.264/AVC},
  language     = {eng},
  location     = {Beijing, PR China},
  pages        = {448--451},
  publisher    = {IEEE},
  title        = {Combined SNR and temporal scalability for H.264/AVC using requantization transcoding and hierarchical B pictures},
  url          = {http://dx.doi.org/10.1109/ICME.2007.4284683},
  year         = {2007},
}

Altmetric
View in Altmetric
Web of Science
Times cited: