Abstract
Intra-frame insertion, conventionally periodic, is inevitable to provide the decoders with the capability of random access for the streamed videos. In this paper, we propose a new non-periodic intra-frame insertion method which encodes a frame as I-picture when the propagated and accumulated uncertainties of the reference frame are greater than a threshold and show that it can be used for the purpose of the error resilient video encoding. The uncertainties of the reference frame reflect the drift noise resulting from the transmission errors. Simulation results over 3GPP/3GPP2 show that the transmission error resiliency of the proposed algorithm is superior to that of the conventional periodic intra-frame- insertion methods with the same encoding efficiency.
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© 2005 Springer-Verlag Berlin Heidelberg
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Kim, Y.T., Yoo, Y., Kang, D.W., Jung, K.H., Kim, KD., Lee, SJ. (2005). Non-periodic Frame Refreshment Based on the Uncertainty Models of the Reference Frames. In: Ho, YS., Kim, HJ. (eds) Advances in Multimedia Information Processing - PCM 2005. PCM 2005. Lecture Notes in Computer Science, vol 3768. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11582267_56
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DOI: https://doi.org/10.1007/11582267_56
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-30040-3
Online ISBN: 978-3-540-32131-6
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