Abstract
Full search motion estimation in real-time video coding requires large amount of computations. Reducing computational cost for full search motion estimation is critical research issue for enabling fast real-time video coding such as MPEG-4 advanced video coding. In this paper, we propose a fast partial distortion algorithm using probability improvement of sub-block uniform distribution. Our algorithm uses normalized dithering matching scan to get uniform distribution of partial distortion, and based on normalized dithering order matching scan and calibration of threshold error using LOG value for each sub-block continuously for efficient elimination of unlike candidate blocks fast while keeping the same prediction quality compared with the full search algorithm. Our algorithm reduces about 65% of computations for block matching error compared with conventional PDE(partial distortion elimination) algorithm without any prediction quality.
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Ryu, T., Moon, K., Kim, J. (2008). Fast Partial Distortion Elimination Algorithm Using Probability Improvement of Sub-block Uniform Distribution. In: Kang, L., Cai, Z., Yan, X., Liu, Y. (eds) Advances in Computation and Intelligence. ISICA 2008. Lecture Notes in Computer Science, vol 5370. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92137-0_89
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DOI: https://doi.org/10.1007/978-3-540-92137-0_89
Publisher Name: Springer, Berlin, Heidelberg
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