The writer proposes a robust video watermarking scheme based on motion vectors.
提出一种基于运动矢量的鲁棒视频水印方案。
Error concealment based on weighted motion vectors according to the edge information and.
结合边缘检测与运动矢量分类，我们提出一种加权运动矢量恢复算法。
So a hybrid video watermarking scheme based on motion vectors and DCT coefficients is proposed.
提出了一种基于运动矢量域与DCT域的混合视频水印方案。
The cyclonic circulation associated with Sam is well depicted by the storm motion vectors. Fig.
可从图中风暴运动向量清楚看到与森姆相关的气旋式环流。
For subpixel precision, it supports quarter-pel motion vectors with a 6-tap interpolation filter.
对于亚像素精度，它支持与六抽头插值滤波器四分之一像素运动矢量。
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。
Compressed parameters include type of frame, type of macroblock, DC coefficients, and motion vectors.
算法中利用的压缩参数主要有帧类型、宏块类型、DC系数、运动矢量。
The median of the said three predicted motion vectors is as predicted motion vector of current block.
将上述三个预测运动矢量中的中值作为当前块的预测运动矢量。
The new macro-block modes information is decided by original modes and motion vectors after down-sampling.
它通过利用原始输入码流中的运动向量及编码模式信息来获取下采样后的相应编码信息。
Therefore, there is no algorithm with polynomial computational complexity that guarantees optimal motion vectors.
因此，没有一个多项式(计算的复杂性)算法可以保证最优运动向量。
The method embedded secret messages in the motion vectors of cover media during the process of H. 264 compressing.
该方法在原始视频进行H . 264压缩过程中将秘密信息嵌入到其运动矢量中。
A new method for motion vector memory management is presented, which can reduce 75% of the memory for motion vectors.
提出了一种新颖的缓存管理更新机制，极限情况下用于运动矢量的片上缓存大小减少了75%。
A new error temporal concealment algorithm for recovering the loss or erroneously received motion vectors is presented.
提出了一种新的时域误码掩盖算法，能更准确地恢复误码块丢失的运动矢量。
The motion vectors and macroblock type during video transcoding based on resolution reduction are refined in this paper.
基于降低分辨率的视频代码转换模型，对运动矢量和宏块类型进行了精简。
The reference frame is a past frame from which to grab pixels from and the motion vectors index an offset into that frame.
参考帧是过去的某个帧，可以从中提取某些像素，以及运动矢量偏移索引。
Based on above idea, this article puts forward self-adaptive estimation to motion vectors and makes the abecedarian discussion.
在静态图像自适应分块压缩的基础上，本文提出了对运动矢量自适应估计的初步探讨。
For motion vectors come from H. 264 coding progress directly, the calculation complexity is reduced, so it is easy to realize by hardware.
由于检测算法所用的运动矢量直接来源于H . 264编码过程，而大大降低了计算复杂度，利于硬件实现。
Proposes an algorithm to determine the true motion vectors of the feature regions for object based video coding and segmentation applications.
针对物体基视频编码与分割应用，提出了求取特征区域真实运动矢量的一种算法。
Second, a motion vector filter (MVF) is introduced to correct the false estimated motion vectors caused by partial similarity in the video sequences.
接着运动矢量滤波器修正了由于局部相似造成的错误运动矢量。
Because of adding the relativity correction of spatial DCT blocks while motion vectors were processing, the (segmentation) veracity is improved greatly.
由于在对运动矢量处理的同时加入了空间dct块的相关性校正，因此分割准确率有了较大的提高。
Based on the image sequence's spatial characteristics of center-biased motion vectors, this method can significantly reduces the search times to (25-55).
该算法由于利用了序列图象运动矢量的空间分布特性—中心偏置分布特性，可以明显地将搜索次数降低到(25 - 55)次。
A new methods of image tremble compensation with high - speed CCD detection of motion vectors and micro mechanic compensation of image plane was proposed.
提出了利用高速CCD获得光轴颤震偏移矢量、微机械像面移动补偿的空间相机稳定成像新方法。
The motion vectors of the damaged image macroblocks can be recovered adaptively by Maximum A Posteriori(MAP), and the weight is selected adaptively based o.
把运动矢量场建模为高斯马尔科夫随机场，对丢失图像块的运动矢量采用最大后验概率方法恢复，其权值能够根据空间和时间信息而自适应选择。
The method got global motion parameters by local motion vectors through quick M-robust estimation; these parameters are filtered to remove stochastic motion noise.
采用新的快速M鲁棒估计法获得摄像机全局运动参数集；滤波该参数集滤除随机抖动带来的运动噪声。
These common motion parameters are used for generating a default temporal prediction without the need to transmit related motion vectors from the encoder to the decoder.
这些公共运动参数用于在不需要将相关的运动参数从编码器传输至解码器的情况下，生成默认时间预测。
Then a linear system is constructed from these local motion vectors and solved to determine the global motion parameters which are refined by the motion iteration process.
用迭代最小二乘法求解使用局部运动矢量和运动模型建立的线性参数系统获得全局平移、旋转及缩放运动参数。
In the scheme, 2-d motion vectors are obtained by a variable block-size multiresolution motion estimation algorithm and motion estimation is realized in the wavelet domain.
在该编码方案中，运动矢量的获取采用了可变块大小的多分辨运动估计算法，运动估算在小波域中进行。
In step for selecting reference motion vectors, selecting lower left block, upper block, and upper right block adjacent to current block is as motion vectors of current block.
在参考运动矢量选择步骤中，选择与当前块相邻的左下块、正上块和右上块的运动矢量作为当前块的运动矢量。
Inter prediction is used to guess the content of a block by referring to past frames. There are two primary components to inter prediction: reference frames and motion vectors.
帧间预测是利用前面的帧的信息来猜测块的内容。有两个主要组件：参考帧和运动矢量。
As far as I can tell, it chooses an arithmetic coding context based on the neighboring MVs, then decides which of the predicted motion vectors to use, or whether to code a delta instead.
据我所知道的，它基于临近的MV选择了一个算术编码上下文，然后决定使用哪个运动矢量，或是否计算出一个差值来代替。
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