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- Spatial and Temporal Motion Vector Prediction and Fast Motion Estimation 视频编码中基于时空信息运动估计的研究
- The Hardware Implementation of Motion Vector Prediction in H.264 and AVS Multimode Video Decoder H.;264和AVS多模视频解码器中运动矢量预测的硬件实现
- Motion Vector Prediction 运动矢量预测
- Firstly a motion vector is searched for each pixel in the interpolated frame using the block-matching search method of linear prediction. 该算法首先采用了线性预测块匹配搜索算法来估计内插帧中每一个象素的运动矢量;
- The invention enhances the forecasting reliability of the motion vector. 本发明提高了运动矢量预测的可靠性。
- Finally, the image sequences were compensated with the sum of the coarse motion vector and precise motion vector. 最后将两次匹配得到的运动矢量相加得到最后的运动矢量，补偿图像序列的运动。
- A new pithy method on the type synthesis of the PM is presented based on motion vector. 并使用该方法为五自由度并联机床构造了并联机构。
- Methods in compression field include: matching with DCT coefficient, vector quantization based technique, subband technique, motion vector technique. 压缩域中的方法主要包括:利用DCT系数进行匹配、利用矢量量化的方法、利用子带分解的方法、利用运动矢量的方法。
- A new digital rights management (DRM) of video was proposed.It modified the motion vector (MV) of macro block (MB) for mobile device. 摘要提出了一种新的视频数字版权管理(DRM)方案，它能针对手持移动设备的计算特点而修改宏块中的运动矢量参数。
- This thesis proposes an adaptive motion-compensated de-interlacing algorithm with high accuracy motion vector estimation and better intra interpolation picture quality. 本篇论文提出的适应性移动补偿解交错演算法具有高正确性的运动向量估测及良好的相同场内插影像品质。
- A novel robust spread-spectrum watermarking algorithm based on MPEG motion vector is proposed, which combines CDMA technique with the motion information in videos. 结合CDMA通信原理和视频的运动信息，提出了一种鲁棒的基于MPEG运动矢量的扩频水印算法。
- We propose a camera zooming motion compensation algorithm which can estimate the motion vector of each pixel by the camera zooming speed to reconstruct whole frame. 根据此预测出来的速度，我们提出了一个点导向的移动补偿演算法，并得以预测此画面中每一个点的移动向量，进而预测整个画面。
- When the impending antiship cruise missile's motion vector alines with the axis of IR detection system, it is difficult to detect and track it by its trace analysis. 当成像系统与反舰导弹的运动方向在同一条直线上时,无法采用基于运动轨迹分析的时间滤波算法。
- The motion vector of adjacent macroblocks (spatial or temporal) is used as the initial searching vector of the current macroblock, to search a multistage in an involute-like scanning. 在大多数情况下，图像中运动的变化在图像内和图像间往往是连续的。
- The experimental results show that the image that is interpolated by PTSS not only has an impressively subjective quality, but also has more smooth motion vector field and less MSE compared with source frame than traditional TSS, NTSS, or FS. 实验结果表明 ,与传统的 TSS、新三步搜索 ( NTSS)、全搜索 ( FS)算法相比 ,利用 PTSS算法补偿得到的图像帧 ,其图像的主观质量有明显的提高 ,具有更加平滑的运动矢量场 ,且图像帧同原始帧之间的最小平方误差 ( MSE)最小
- The proposed algorithm is based on the ideas of predicted starting search point,subsampled block distortion measure,center-biased distribution of motion vector,multiple-candidate diamond search. 利用运动矢量的中心倾向的分布特性，用多侯选点钻石形状搜索方法来提高运动估计的速度和准确性。
- According to the monotonically increasing match criteria around the location of the optimal motion vector a fast fractional motion estimation algorithm based on the group error is presented. 根据匹配准则的目标函数在最优运动矢量的附近都是单调递增这一假设，提出一种基于分组误差的快速分数像素运动估计算法。
- The proposed algorithm is based on the ideas of predicted starting search point,subsampled block distortion measure,center\|biased distribution of motion vector,multiple\|candidate diamond search. 利用运动矢量的中心倾向的分布特性 ,用多侯选点钻石形状搜索方法来提高运动估计的速度和准确性。
- Sometimes, motion vectors may be far away from the true motion vector in the blotch area. 在斑点存在的区域，运动向量的估计可能会出现较大的偏差。
- Compressed parameters include type of frame, type of macroblock, DC coefficients, and motion vectors. 演算法中利用的压缩参数主要有帧类型、宏块类型、DC系数、运动向量。
