motion vector的例句大全

a minimal matching error direction prediction-based fast half-pixel motion vector search algorithm is pro-posed in this paper in order to reduce computation load of half-pixel search.

为了减小半像素搜索的计算量，本文提出了一个基于最小匹配误差方向预测的快速半像素运动估计算法。

in practical application, considering video watermarking system has high demand on real-time and low-bit rate, this paper proposed a fragile watermarking algorithm based on diamond search. fragile watermark was embedded in motion vector search of p frame inter prediction.

考虑到实际应用中视频水印系统的实时性需要和低码率需要，提出一种基于菱形搜索原理的脆弱水印算法，将脆弱水印嵌入P帧帧间预测的运动矢量中。

when the matching error based on the prediction of the motion vector is between two sad thresholds, a search restricted in a small window is used to replace the original motion estimation.

当基于预测运动矢量的匹配误差介于两SAD阈值之间时，用小窗口搜索代替运动估计。

fast and adaptive motion vector search

一种快速的自适应运动矢量搜索算法

Based on the spatial characteristics of center-biased distance between motion vector and corresponding prediction vector and temporal correlation of motion vectors, this method can significantly reduces the search times.

该算法由于利用了序列图象的实际运动矢量与预测矢量之间距离的空间分布特性一中心偏置分布特性和时间上的相关特性，并采用了中止判决准则，可以明显地减少搜索次数。

In order to further increase the robustness of the transmitted video over unreliable channels, distortion introduced by error concealment is taken into consideration under R-D optimized motion vector selection framework in the presence of FMO mechanism, this allows optimization of concealment distortion at the encoder.

为进一步增强在不可靠信道上传输视频的鲁棒性，提出了在运动向量搜索的率失真优化框架下，结合灵活宏块排列容错机制，对差错隐藏失真进行优化。

The algorithm has the advantages of high accuracy and fast speed. Image stabilization tests for air photo sequence are carried out with this algorithm and the estimated time for motion vector is only 10ms.

它具有精度高和速度快等特点，用该算法对实拍的航摄图像序列进行稳像试验，运动矢量的估计时间仅为10ms。

taking advantage of statistical distributing characteristic of motion vector to find the original searching central position and determine searching patterns.

该算法利用运动矢量的统计分布特性来确定初始搜索中心位置，并动态地选择搜索模板。

According to the temporal correlation of the motion vector, the above two strategies are unified in the algorithm named a fast correlation tracking algorithm based on the classified search.

依据运动矢量时间相关性，将上述两种搜索策略统一在基于分类搜索的快速相关跟踪算法中。

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。

An algorithm to optimize coherence of motion vector in electric image stabilizing

电子稳像中运动矢量一致性的优化算法

Fast Motion Estimation Algorithm Based on Motion Vector Filtering

基于滤波的运动向量的快速估计算法

A Fast Motion Estimation Algorithm Based on Motion Vector Field and Direction Adaptive Techniques

基于运动矢量场和方向自适应的快速运动估计算法

Second, a vector is defined based on 8 by 8 pixel size, which is correlated to the DC and motion vectors.

然后再定义了与运动矢量和DC系数都紧密相关的、以8×8块为基本单位的向量；

a modified summed absolute difference ( sad) criterion was used for motion estimation of the top level, which could smooth the motion vector field and resulted in an improvement of estimation accuracy.

在顶层进行匹配误差计算时采用修正累计绝对误差（SAD）准则，平滑了矢量场，并进一步提高了运动估计的准确性。

Motion vectors are dealt with temporal average filter and a spatially weighted vector median filter.

同时对运动矢量在时域上进行平均，在空域上进行带权矢量中值滤波处理。

This algorithm determines whether to unite sub-macroblock or macroblock according to the relativity of motion vector of sub-macroblock to avoid to ransack the seven prediction modes.

该算法的依据在于当前编码宏块的四个子宏块间存在着高度的相关性，根据子宏块运动矢量的相关性确定子宏块能否合并成分割宏块或宏块，以此避免遍历七种预测模式。

This paper improves on motion vector coding and unconnected pixels' disposal in scalable video coding with 5/ 3 motion-compensated temporal lifting ( MCTL).

对基于5/3运动补偿时间提升的可伸缩视频编码中运动矢量编码及不相连像素处理进行了改进。

On one hand, we use the center-biased property, the sub-optimal integer match points are utilized to predict the sub-pixel motion vector direction, and thereby the number of search points can be reduced from 16 to 4-8.

一种算法考虑中心偏置特性，根据整像素最优点和次优点的方位关系来预测亚像素运动矢量的方向，使亚像素的待搜索点数由16个降低到4～8个。

So we could use the predicted motion vector as ours starting point. Based this method of predicting starting point, we propose a fast motion estimation algorithm based on center search to decrease the computation of trivial motion in DS.

在该起点预测方法的基础上，针对菱形快速估计算法中对小运动块搜索点数过多的问题，提出了基于中心偏置的自适应的块匹配运动估计快速搜索算法AS。