An Analysis and Modeling of Propagation/Accumulation Errors Incurred by CD in the FD-CD Transcoding 


Vol. 29,  No. 12, pp. 1677-1685, Dec.  2004


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  Abstract

Recently, FD (Frame Droppmg)-CD (Coefficient Dropping) transcoding is considered due to the low computational complexity and simple implementation. The conventional FD-CD transcoding schemes have not considered the CD errors that tend to be propagated and accmnulated. In this paper, we derive the error characteristics incurred by the CD errors and, through computer simulations, we show that the CD errors are propagated and not negligible to the decoded qualities of the next frames within single GOP. Then, we propose an exponential-decaying model that describes well the characteristics of propagation/accumulation errors. Finally, it is shown that the proposed model can be effectively used for estimating the overall distortions incurred by the CD errors.

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  Cite this article

[IEEE Style]

J. Kim, J. Kim, H. Kim, J. Hong, "An Analysis and Modeling of Propagation/Accumulation Errors Incurred by CD in the FD-CD Transcoding," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 12, pp. 1677-1685, 2004. DOI: .

[ACM Style]

Jin-soo Kim, Jae-Gon Kim, Hyung-Myung Kim, and Jin-Woo Hong. 2004. An Analysis and Modeling of Propagation/Accumulation Errors Incurred by CD in the FD-CD Transcoding. The Journal of Korean Institute of Communications and Information Sciences, 29, 12, (2004), 1677-1685. DOI: .

[KICS Style]

Jin-soo Kim, Jae-Gon Kim, Hyung-Myung Kim, Jin-Woo Hong, "An Analysis and Modeling of Propagation/Accumulation Errors Incurred by CD in the FD-CD Transcoding," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 12, pp. 1677-1685, 12. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880