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Author:

胡国庆 (胡国庆.)

Indexed by:

CQVIP

Abstract:

高效视讯编码(HEVC)是新一代编码标准,在编码效率上有明显优势。监控视频结构特点是背景几乎不变, HEVC并没有考虑这种情况。使用动态背景模型(DBM )生成动态背景帧,作为HEVC帧间预测的参考帧,可以提高视频压缩效率。然而,运动缓慢的前景区域有时会被认为是背景区域,为此提出多层差值(MDM )算法,根据多层像素块差值更新背景,提高背景帧的质量。实验结果表明,与高效视讯编码测试模型HM14.0相比,在几乎不增加计算复杂度的情况下,采用该算法压缩效率平均提高了2%,最高提高了5.2%。

Keyword:

动态背景模型 帧间预测 监控视频 分层差值算法 HEVC

Author Community:

  • [ 1 ] [胡国庆]北京工业大学

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Source :

软件导刊

ISSN: 1672-7800

Year: 2016

Issue: 7

Volume: 15

Page: 30-32

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 19

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