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Real-Time H.264 Video Encoding in Software with Fast Mode Decision and Dynamic Complexity Control

机译:具有快速模式决策和动态复杂度控制的软件中的实时H.264视频编码

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摘要

This article presents a novel real-time algorithm for reducing and dynamically controlling the computational complexity of an H.264 video encoder implemented in software. A fast mode decision algorithm, based on a Pareto-optimal macroblock classification scheme, is combined with a dynamic complexity control algorithm that adjusts the MB class decisions such that a constant frame rate is achieved. The average coding efficiency of the proposed algorithm was found to be similar to that of conventional encoding operating at half the frame rate. The proposed algorithm was found to provide lower average bitrate and distortion than static complexity scaling.
机译:本文提出了一种新颖的实时算法,用于减少和动态控制以软件实现的H.264视频编码器的计算复杂性。一种基于帕累托最优宏块分类方案的快速模式决策算法,与一种动态复杂度控制算法相结合,该算法可调整MB类决策,从而获得恒定的帧速率。发现所提出算法的平均编码效率类似于以一半帧速率运行的常规编码的效率。发现所提出的算法提供了比静态复杂度缩放更低的平均比特率和失真。

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