基于时空预测的H.264快速帧内预测模式选择算法

TN919.8; 提出了一种基于时空预测的H.264快速帧内预测模式选择算法,算法充分利用视频序列中的空域和时域上的相关性,通过构建空域和时域的最佳帧内模式概率直方图来改进Pan等人提出的基于边缘方向直方图的帧内快速模式选择算法.实验结果表明,基于时空预测的H.264快速帧内预测模式选择算法在保持基本相同的编码图像质量和输出码率的同时,可显著减少编码时间,显著提升H.264的编码性能....

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Published in通信学报 Vol. 31; no. 9; pp. 139 - 145
Main Authors 徐平, 佘青山, 金朝阳, 徐伟栋
Format Journal Article
LanguageChinese
Published 杭州电子科技大学,自动化学院,浙江,杭州,310018 2010
Subjects
模式选择
帧内预测
时空预测
H.264
Online AccessGet full text
ISSN1000-436X
DOI10.3969/j.issn.1000-436X.2010.09.018

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Abstract TN919.8; 提出了一种基于时空预测的H.264快速帧内预测模式选择算法,算法充分利用视频序列中的空域和时域上的相关性,通过构建空域和时域的最佳帧内模式概率直方图来改进Pan等人提出的基于边缘方向直方图的帧内快速模式选择算法.实验结果表明,基于时空预测的H.264快速帧内预测模式选择算法在保持基本相同的编码图像质量和输出码率的同时,可显著减少编码时间,显著提升H.264的编码性能.
AbstractList TN919.8; 提出了一种基于时空预测的H.264快速帧内预测模式选择算法,算法充分利用视频序列中的空域和时域上的相关性,通过构建空域和时域的最佳帧内模式概率直方图来改进Pan等人提出的基于边缘方向直方图的帧内快速模式选择算法.实验结果表明,基于时空预测的H.264快速帧内预测模式选择算法在保持基本相同的编码图像质量和输出码率的同时,可显著减少编码时间,显著提升H.264的编码性能.
Author 徐平
佘青山
徐伟栋
金朝阳
AuthorAffiliation 杭州电子科技大学,自动化学院,浙江,杭州,310018
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XU Ping
XU Wei-dong
JIN Zhao-yang
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Title 基于时空预测的H.264快速帧内预测模式选择算法
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