基于psnr的帧复杂度估计增强H.264速率控制

2005 Digest of Technical Papers. International Conference on Consumer Electronics, 2005. ICCE. Pub Date : 2005-05-16 DOI:10.1109/ICCE.2005.1429802

Minqiang Jiang, Xiaoquan Yi, N. Ling

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引用次数: 9

摘要

本文提出了一种基于帧层缓冲状态的H.264速率控制方法。改进方法是利用基于psnr的帧复杂度估计来改进现有的基于平均绝对差(mad)的复杂度度量。每个帧的位分配不仅由编码器缓冲状态计算，而且还由组合的帧复杂度度量来调整。仿真结果表明，与现有的H.264 JVT速率控制方法(JVT/spl I.bar/G012)相比，采用该算法的H.264编码器可以获得更好的视觉性能。

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On enhancing H.264 rate control by PSNR-based frame complexity estimation

This work presents an enhancement to the frame layer buffer status-based H.264 rate control method. The enhancement is by using a PSNR-based frame complexity estimation to improve the existing mean absolute difference based (MAD-based) complexity measure. Bit allocation to each frame is not just computed by encoder buffer status but also adjusted by a combined frame complexity measure. Simulation results show that the H.264 encoder, using the proposed algorithm, can achieve better visual performance than that of the existing H.264 JVT rate control method (JVT/spl I.bar/G012).

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来源期刊

2005 Digest of Technical Papers. International Conference on Consumer Electronics, 2005. ICCE.

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