Abstract
In this paper, we propose a rate-distortion estimation method for MPEG-2 video, which enables us to predict the amount of bits and the distortion generated from an encoded picture at a given quantization step size and vice versa. The proposed estimation method has some outstanding advantages. First, the computational complexity is small because its major operation is just to obtain a histogram or weighted histogram of the DCT coefficients from an input picture, and the final form of the proposed estimation model is simple. Second, its results are very accurate enough to be applied to practical video coding applications. Simulation results show that the estimation errors for rate and distortion do not exceed 2.5% and 1%, respectively.
This research is partially supported under RRC-HECS in CNU, and is partially supported by Masters & PhD Education Program under the MOCIE, Korea. The support of IDEC CAD tools and equipments in this research are also gratefully acknowledged.
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References
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© 2003 Springer-Verlag Berlin Heidelberg
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Lee, M.MO., Hong, SH. (2003). An Efficient Rate-Distortion Analysis Model for MPEG Video. In: Freire, M.M., Lorenz, P., Lee, M.MO. (eds) High-Speed Networks and Multimedia Communications. HSNMC 2003. Lecture Notes in Computer Science, vol 2720. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-45076-4_29
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DOI: https://doi.org/10.1007/978-3-540-45076-4_29
Publisher Name: Springer, Berlin, Heidelberg
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