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In this paper, we propose a novel energy reduction technique for H.264 intra mode decision. The proposed technique reduces the number of additions performed by Sum of Absolute Transformed Difference based 4×4, 16×16 and 8×8 intra mode decision algorithms used in H.264 joint model reference software encoder by 46%, 43% and 42% respectively for a CIF size frame without any PSNR loss. We also implemented...
This paper presents low-complexity algorithm for fractional-pixel motion estimation (FME). The proposed algorithm uses a mathematical model to approximate the matching error at fractional-pixel locations. Hence, no interpolation is required at fractional-pixel locations. The matching error values at integer-pixel locations are used to evaluate the model coefficients. The performance of the proposed...
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