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Encoder and decoder implementations of the High Efficiency Video Coding (HEVC) standard have been subject to many optimization approaches since the release in 2013. However, the real-time decoding of high quality and ultra high resolution videos is still a very challenging task. Especially entropy decoding (CABAC) is most often the throughput bottleneck for very high bitrates. Syntax Element Partitioning...
We propose a technique for optimizing the High Efficiency Video Coding (HEVC) encoder by reducing the number of operations performed in the motion estimation stage. The technique is based on the fact that a significant number of motion estimation operations are performed repetitively for the same image samples, but for different block partition sizes. By decoupling the initial motion estimation and...
In this paper we propose and evaluate a parallelization strategy for the emerging HEVC video coding standard. The proposed strategy is based on entropy slices which allows exploiting parallelism in the entropy decoding stage while maintaining high coding efficiency. Our approach requires to encode videos with one entropy slice per LCU row in order to decode multiple LCU rows in a wavefront parallel...
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