因此为了降低帧内预测模式选择的计算复杂度，本文改进了帧内预测模式选择算法。

In order to reduce the complexity, this paper proposes a fast arithmetic for intra-prediction mode selection.

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为了降低计算复杂度，根据帧内预测算法特征提出了一种基于像素方向相关性的帧内预测模式快速选择算法。

In order to decrease the computational complexity of the algorithm, a fast algorithm for intra-prediction mode decision based on pixel's directional relativity is presented in this paper.

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