Error Concealment Scheme for Infra Frames Based on Spatial and Temporal Interpolation

被引：0

作者：

Wei, Geng ^{[1
]}

Wang, Ruoying ^{[2
]}

Zhang, Yudong ^{[3
]}

机构：

[1] Hohai Univ, Coll Comp & Informat, Nanjing 210098, Jiangsu, Peoples R China

[2] Southeast Unv, Sch Informat Sci & Engn, Nanjing 210096, Peoples R China

[3] Columbia Univ, MRI Lab, New York, NY 10032 USA

来源：

INFORMATION TECHNOLOGY APPLICATIONS IN INDUSTRY II, PTS 1-4 | 2013年 / 411-414卷

基金：

中国国家自然科学基金;

关键词：

Error concealment; Weighted interpolation; Texture prediction; Motion vector copy;

D O I：

10.4028/www.scientific.net/AMM.411-414.1368

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The lost of a block in an intra frame will damage the video quality extremely. In this paper, an efficient concealment for intra frame is proposed based on the spatial and temporal domain interpolation. For spatial domain concealment, the weighted interpolation (WI) and texture prediction (TP) are adopted according to the blocks surrounding the damaged macroblock (MB). If the blocks surrounding the damaged MB are all available, the TP method will be used. Otherwise the WI method will be used. For temporal domain, motion vector copy (MVC) is adopted for the interpolation. Simulation results have shown that the proposed method can significantly improve the quality of the video.

引用

页码：1368 / +

页数：2

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