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- Shape Error Concealment on Video Object Code 基于视频对象编码的形状差错掩盖技术
- shape error concealment 形状错误隐藏
- This paper proposes a temporal error concealment method for video based on multi-directional boundary matching. 文中提出了一种基于多方向边界匹配的时域误码掩盖算法。
- Four frame loss error concealment algorithms for SVC based on H.264/AVC were introduced in details. 摘要详述了基于H.;264/AVC的可分级视频编码扩展SVC中的四种针对整帧丢失的差错隐藏算法。
- A novel error concealment technique based on the discrete cosine transform(DCT) coefficients recovery is proposed. 提出一种新的基于DCT系数恢复的错误隐藏技术。
- This paper presents an image error concealment method using lossless self-embedding. 摘要给出了一种基于无损自嵌入的图像修复方法。
- Simulation results show that the proposed algorithm outperforms the H.264 reference algorithm in respect of error concealment performance. 仿真结果表明在差错隐藏性能方面,该算法优于H.;264参考算法。
- Part shape error due to springback is one of most important manufacturing defect in sheet metal stamping process. 回弹是金属板料冲压中的主要缺陷之一,它可以通过修正模具形状加以解决。
- Besides improving the original spatial and temporal error concealment schemes adopted in H.264 test model, we use double-motion-vector mechanism to decrease error propagation. 这些方法除了改进原本H.;264空间和时间的错误隐藏的作法,并且使用双向量的机制来降低错误传递。
- The abrasive disk's dimension is a key parameter that surface shape error converges effectively in aspheric optics lapping and polishing. 在光学非球面研抛加工中,研抛盘尺寸的合理选择是面形误差有效收敛的关键参数之一。
- Based on the meshing theory,The reason produced by the theoretic edge shape error of slotting tool is dis-cussed in detail in this paper. 以啮合理论为基础,详细分析了插齿刀理论刃形误差产生的原因,提出了插齿刀理论刃形误差修正的方法和计算结果。
- The larger of R values of toroidal surface parts, the larger springback value and the larger the effect on shape error of formed parts will be. 环面件的曲率半径越大,回弹量越大,对成形件形状误差影响越大;
- Error concealment is an effective approach to reduce the influence of errors that occurs at the decoders. 错误隐藏是个能有效减少解码端发生错误时所造成影响的一种技术。
- In process of multi-point forming(MPF) for sheet metal parts,there is shape error between the formed workpiece and the objective model due to springback and positioning error. 在板类件多点成形中,由于板料回弹、工件定位等因素,成形后的工件曲面与目标模型之间存在误差。
- This paper presents a method for the effective transmission of H.264 video over wireless networks, in which Intra-updating, interleaved forward error correction (FEC) and error concealment are used. 摘要论述了H.;264视频编码数据在无线网络上的有效传输,综合运用了帧内更新,交织的前向纠错(FEC)和错误隐藏技术。
- And the error concealment techniques include weighted pixel averaging algorithm based on INTRA frame coding and motion compensation using predicted motion vectors based on INTER frame coding. 解码端采用了差错隐藏技术,主要包括帧内编码中的像素距离加权平均算法和帧间编码中的根据预测运动向量进行运动补偿。
- Then typical error control strategies such as intra refresh, error concealment, multiple reference frame motion compensation, data partition and FMO are discussed combining with H.26L compression characteristics. 26L介绍了帧内刷新、错误掩盖、多参考帧运动估计、DP、FMO等典型的误码控制策略;并针对H.
- A block shuffle method based on Arnold Transformation, which is traditionally used in Digital Watermark, is put forward for the preprocessing of error concealment. Experiment results show that it can improve the performance of error concealment algorithm. 针对传统错误隐藏算法对抗无线信道突发错误的局限性,将原本用于数字水印技术的Arnold 变换作为错误隐藏预处理算法,实验结果表明这种方法能有效提高错误隐藏算法对抗突发错误的性能。
- Broe gauges are used to measure internal hole dimensios and shape errors of different diameter and depth by comparative method. 内径百分表适用于比较法测量不同直径和深度和内孔尺寸及误差。