Abstract
A typical H.264 video encoder (such as JM) selects the best motion vector based on the sum of absolute difference (SAD) and the sum of absolute transformed difference (SATD) in different accuracy layers. In this paper, we propose a jointly optimal approach that selects the best motion vector that minimizes the rate-distortion cost of the quantized transform coefficients. We test the proposed scheme on a number of sequences. The results indicate that our scheme provides a bit-rate gain up to 4% for P pictures.
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References
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© 2013 Springer-Verlag Berlin Heidelberg
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Hsu, WJ., Hang, HM., Chen, YF. (2013). Motion Estimation and DCT Coding Combined Scheme for H.264/AVC Codec. In: Pan, JS., Yang, CN., Lin, CC. (eds) Advances in Intelligent Systems and Applications - Volume 2. Smart Innovation, Systems and Technologies, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35473-1_42
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DOI: https://doi.org/10.1007/978-3-642-35473-1_42
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-35472-4
Online ISBN: 978-3-642-35473-1
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