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。
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。
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。
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。
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。
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。
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。
The use of vertex data from the graphics pipeline to define the search area substantially reduces the amount of searching necessary to generate motion vectors and perform data compression.
使用图形流水线中的顶点数据来定义搜索区极大地减少了产生运动矢量和执行数据压缩所必需的搜索量。
The invention has the advantages of capability of acquiring more accurate forecasting motion vectors, capability of compressing code rate of motion vectors, and obtaining of performance gain.
本发明可以获得更准确的预测运动矢量，而且能压缩运动矢量码率，获得性能增益。
An error concealment algorithm is proposed as a post-processing tool at the decoder side, with the aim of recovering the motion vectors and image blocks lost during the video sequence transmission.
提出了一种误差掩盖算法，作为在解码器端的后处理工具，以恢复视频序列在传输过程中丢失的运动矢量和图像块。
It gets the best reference motion vectors from the error - surface and the center deviation characteristics, and it USES the direction and intensity information to choose the proper searching mode.
算法结合误差曲面特性以及运动矢量中心偏移特性，得到最佳参考运动矢量；利用运动矢量的方向和强度信息，确定搜索方向，切换搜索模式，搜索的同时应用全零块的中止准则。
An output pixel is generated using such motion vectors, but it is possible (indeed, likely) that the output pixel is not exactly spatially aligned with a required pixel position in the output image.
利用这种运动矢量生成输出像素，但是该输出像素有可能(实际上是很可能)与输出图像中的所需像素位置未精确地空间对准。
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。
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。
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