MPEG global motion estimation motion vector.
标签mpeg全局运动估计运动矢量。
The local motion vector of the block was determined by feature point matching.
通过特征点匹配，求其局部运动矢量；
Provided is a motion detector capable of efficiently producing a motion vector.
本发明提供可高效生成运动矢量的运动检测装置。
Then the global motion vector with rotary Angle can be deduced according to the rigid motion model.
然后利用刚性运动模型，获得包含旋转角度的全局运动矢量。
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 detection method of motion vector was proposed in order to stabilize image sequence with rotation.
针对帧间旋转图像序列的稳定处理，提出一种新的运动矢量探测方法。
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%。
The gray scale projection algorithm can detect motion vector of image sequential frames in electronic image stabilization.
在电子稳像中，利用灰度投影的方法可以实现图像序列帧间运动矢量的检测。
This algorithm improves search performance and reduces search steps compared with Diamond Search by prediction motion vector.
该算法通过预测运动矢量较快地搜索到匹配块，减少了搜索次数，提高了搜索效果。
A problem solved by the invention is to encode and decode video signals using less or no motion vector data side information.
本发明所解决的问题是使用很少的、或者不使用运动向量数据辅助信息，来对视频信号进行编码和解码。
Matching search patterns are designed in the algorithm based on the center-biased characteristics of motion vector distribution.
该算法根据运动矢量的中心分布特性设计了相应的匹配搜索模板。
Based on the motion vector distribution characteristics of real video sequences, a new cross-hexagon search algorithm is proposed.
本文基于现实视频序列中运动向量的分布特征，提出了一种十字交叉六边形搜索算法。
Based on the motion vector distribution characteristics of real video sequences, a new cross-hexagon search algorithm (NHEXS) is proposed.
本文基于现实视频序列中运动向量的分布特征，提出了一种十字交叉六边形搜索算法(NHEXS)。
The experimental result on wave platform shows that the algorithm can effectively improve the calculation precision of image motion vector.
实验室摇摆台电子稳像实验结果表明，该方法可以有效提高图像运动矢量的计算精度。
The correlation between the ventilation flow vector calculated applying the improved method and the motion vector of tropical cyclone is very close.
应用改进的方法计算的通风气流矢量与热带气旋移动矢量相关密切。
Experimental result shows that this method is more effective than the existing global motion vector compensation, it has better compensation effect.
实验结果表明，与现有的全局运动矢量补偿相比，该方法可以获得更好的补偿效果。
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。
Designed the inter-frame decoding IP soft-core, including the motion vector generation module, prediction processing modules and interpolation modules.
详细设计了帧间解码IP软核，包括运动矢量生成模块、预测处理模块和插值模块。
The gray scale projection algorithm is a key technique for detecting motion vector of image sequential frames and realize electronic image stabilization.
灰度投影算法是检测图像序列帧间运动矢量，实现电子稳像的关键技术之一。
The object of global motion estimation module is to calculate the relative motion vector of adjacent frames' background, that is, the global motion vector.
帧间全局运动估计模块的设计目标是计算相邻帧的背景的相对运动的矢量，这一矢量被称为全局运动矢量。
A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture.
传输当前块的预测误差信号和运动向量，这描述了参考画面中预测器块位置。
A macro block using the same motion vector with the central macro block is regarded as a part of the face and is quantified with a smaller quantization parameter.
与中央宏块使用相同运动矢量的宏块被视为脸的部分，以较小的量化参数对其进行量化。
A linear equation is constructed from the local motion vector and the rigid model, and it determines the global motion parameters by the popular RANSAC algorithm.
通过局部运动矢量和刚体变换模型得到线性参数方程，并采用RANSAC算法进行求解，以获得全局运动参数。
Residual coding is even more difficult to understand than motion vector coding, as the only full reference is a bunch of highly optimized, highly obfuscated C code.
剩下的编码甚至比运动矢量编码更难理解，因为唯一的完整参考是一堆高度优化的，高度混淆的C代码。
During an encoding mode, a stream of data blocks is received and at least one motion vector and one motion compensation prediction value for each macro-block are generated.
在编码模式期间，接收数据块流并为每个宏块产生(12)至少一个运动矢量和至少一个运动补偿预测值。
In this paper, we focus on the transcoding between MPEG-2 and MPEG-4. A motion vector re-use transcoding structure is put forward here, and the key algorithms are studied also.
本文主要研究了MPEG - 2到MPEG - 4的转换编码，提出了运动矢量映射的转码结构，并对其中的关键算法进行了研究和实现。
The proposed method determines the motion activity and visual content change of the MPEG compressed video by using the luminance DCT DC value, macroblock type and motion vector.
本文算法利用亮度DCTDC值、宏块类型和运动向量来确定MPEG压缩视频中运动活动和视觉内容变化。
Based on prediction of searching starting-point and gradient diamond-shaped searching technique, the paper proposes a motion vector field self-adaptive searching algorithm (MVFSAS).
在基于搜索起点预测和梯度式菱形搜索方法的基础上，提出了一种运动矢量场自适应搜索算法(MVFSAS)。
The efficient video coding technique finds out a motion vector of a central macro block, and detects whether the motion vector can be applied to other macro blocks in the video frame.
本发明高效视频编码法先找出中央宏块的运动矢量，并且检验该运动矢量是否可应用于视频帧中其它宏块。
The efficient video coding technique finds out a motion vector of a central macro block, and detects whether the motion vector can be applied to other macro blocks in the video frame.
本发明高效视频编码法先找出中央宏块的运动矢量，并且检验该运动矢量是否可应用于视频帧中其它宏块。
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