Abstract
Rate-constrained coding is one of the many coding-efficiency oriented tools of H.264/AVC, however, the mode decision process of Rate Distortion Optimization (RDO), is characterized by high computational com- plexity. Many fast mode decision algorithms have been proposed to reduce the computational complexity of mode decision. In this paper, two algorithms are proposed for reduction of mode decision in H.264/AVC, fast reference frame selection and selective intra prediction mode decision. Fast reference frame selection is efficient for inter predication, and selective intra prediction mode decision can effectively reduce excessive calculation load of intra prediction mode decision. The simulation results demonstrated that the proposed two methods applied together could reduce the encoding time of the overall sequences by an average of 44.63%, without any noticeable degradation in coding efficiency.
This work is supported by INHA UNIVERSITY Research Grant.
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© 2006 Springer-Verlag Berlin Heidelberg
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Lee, W., Lee, J., Cho, Ih., Jeong, D. (2006). Reduction of Mode Decision Complexity in H.264/AVC Using Adaptive Selection of Reference Frame and Intra Prediction Mode. In: Gavrilova, M., et al. Computational Science and Its Applications - ICCSA 2006. ICCSA 2006. Lecture Notes in Computer Science, vol 3980. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11751540_35
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DOI: https://doi.org/10.1007/11751540_35
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-34070-6
Online ISBN: 978-3-540-34071-3
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