| 一种基于H.26L的自适应差错掩盖方法 |
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| 引用本文： | 刘海波,彭强.一种基于H.26L的自适应差错掩盖方法[J].西南交通大学学报,2004,39(6):772-775. |
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| 作者姓名： | 刘海波 彭强 |
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| 作者单位： | 西南交通大学计算机与通信工程学院,四川,成都,610031 |
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| 摘 要： | 利用解码帧的特征及其相关参数，提出了一种基于H．26L的自适应差错掩盖方法．该方法对不同的差错特征分别采用以下3种掩盖方法：边界匹配(BMA)、空间插值(SI)和频域插值(FI)．与采用单一方法相比，用本方法的仿真结果的主客观质量都显著提高，尤其是在场景转换和剧烈运动的时候。
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| 关 键 词： | 差错 掩盖 恢复 H．26L 视频传输 |
| 文章编号： | 0258-2724(2004)06-0772-04 |
Adaptive Error Concealment Algorithm Based on H.26L |
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| LIU Hai-bo,PENG Qiang.Adaptive Error Concealment Algorithm Based on H.26L[J].Journal of Southwest Jiaotong University,2004,39(6):772-775. |
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| Authors: | LIU Hai-bo PENG Qiang |
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| Abstract: | An adaptive error concealment algorithm based on H.26L was proposed by making use of the feature and parameters of decoded frames. The algorithm uses three concealment algorithms, namely, boundary matching algorithm (BMA), spatial interpolation (SI) and frequency interpolation (FI), adaptively according to error characteristics. It is independent of information provided by the encoder. Simulation results showed that the proposed algorithm was much more effective subjectively and objectively than any of the existing ones, especially for the changing scenes and fast motions. |
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| Keywords: | error concealment resilience H 26L video communication |
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