Optical flow is used for moving target detection.
运动目标检测主要采用光流法。
Calculation of optical flow is based on gradient method.
本文采用基于梯度的光流场计算方法。
The method is superior to Horn-Schunck method in optical flow estimation.
比较后可知，本文的方法能较好地对运动物体进行光流估计。
HS method is one of the most classical methods for optical flow computation.
方法是光流计算中的经典方法之一。
A new algorithm for optical flow computation is presented using neural networks.
本文给出了一种利用神经网络计算光流场的新算法。
L-K optical flow algorithm is not very suitable in facial feature point tracking.
原始l -K光流算法用于面部特征点跟踪时，易出现跟踪不稳定的情况。
Thus, we adopt sparse optical flow approach by combing that two approaches in this paper.
因此本文结合两种方法，采用稀疏光流法进行计算。
Finally, we estimate 3-d motion and structure parameters of the body by sparse optical flow.
最后，利用稀疏光流进行三维物体运动参数和结构参数的估计。
In order to get the motion parameters of the moving object, optical flow method is introduced.
为了获取运动目标的运动参数，采用了光流法。
Optical flow was computed based on the block relative algorithm, which is used for hand tracking.
基于块的相关算法来计算光流，并利用光流跟踪双手的运动。
Moreover, block matching algorithm is the better one in the computational methods of optical flow.
而光流场的各种计算方法中，块匹配光流算法的效果比较好。
To surmount these disadvantages, dynamic speed constraint and optical flow method were introduced.
针对这些不足，通过使用动态速度约束和光流法对算法进行了改进。
The main ways of visual motion analysis can be classified into feature based and optical flow based.
视觉运动分析分为基于特征的方法和基于光流场的方法。
It is also commonly referred to as optical flow computation especially in the computer vision literature.
它也通常被称为光流计算的，尤其是在计算机视觉文献。
A new ellipse-tracking algorithm based on the active contour and the optical flow technique was proposed.
给出一种新的基于活动轮廓与光流约束的椭圆跟踪算法。
An optical flow method instead of the cross correlation method is proposed for convective precipitation system.
针对强对流降水的情况，提出了使用光流法计算得到的光流场来代替交叉相关法得到的运动矢量场。
A new model based global motion estimation method is proposed by fitting optical flow field for aerial video imagery.
在多分辨率光流估算的基础上，提出了一种基于光流拟和的方法用于对航拍视频图像中的全局运动进行估算。
If combined with optical flow computing, this algorithm can highly reduce the computation amounts and enhance the computing rate.
将这个算法与光流场的计算相结合，大大减少了运算量，提高了运算速度。
Calculation of optical flow of an algorithm, which is an algorithm for the time being, I hope to do this more than friends advice.
计算光流的一个算法，这是我暂时的一个算法，希望做这个的朋友多指教。
In order to obtain more accurate results, the optical flow of sequence image is estimated by the method of weighted least-squares.
为了获得较为精确的结果，用加权最小二乘法来估计序列图像的光流。
The algorithm is mainly composed of image preprocessing, the vehicle motion detection and behavior analysis based on optical flow.
算法主要包括图像的预处理，车辆的运动检测和基于光流场的行为分析。
Optical flow can make up this shortcoming, while the high demand of computing has restricted its application in real-time situation.
光流法虽可进一步给出运动场中每个像素位置的运动特性，但它所涉及的计算量庞大，难以直接应用于有实时需求的场合。
Differing from the earlier shake compensation, the optical flow image rather than the original image is compensated by the compensation amount.
与以往的抖动补偿所不同，文中我们不对原始图像进行补偿，而是对光流图像进行抖动补偿。
An optical flow based approach was presented to estimate coronary arterys two-dimensional motion from a sequence of single-plane angiographic images.
采用光流法，由单面冠状动脉造影图像序列估计冠状动脉血管的二维运动。
However, the error of the optical flow estimation derived from the error of temporal differential estimation is not taken into account in above methods.
通过位移预补偿方式减小了时域微分估计中的不准确性，极大地提高了光流计算精度。
Sparse optical flow method was proposed for satisfying the requirement of real-time control and improving the efficiency of matching corresponding points in two im ages.
为了满足实时跟踪控制的需要，提高两幅图象之间对应点的匹配效率，提出了稀疏光流算法。
Optical flow or motion fields could theoretically be used, but they are extremely noise sensitive and their accuracy is limited due to the aperture and occlusion problem.
理论上可以使用光流或运动场估计进行分割，但其对噪声相当敏感，且分割精度也会因遮挡和孔径效应的影响而剧烈降低。
I described a point correspondence algorithm in the text, the algorithm combined two methods, optical flow and color density distribution, it also took advantages of them.
本文论述了一种像素点匹配算法，它融合了光流法和基于颜色密度分布的方法，结合了两者的长处。
I described a point correspondence algorithm in the text, the algorithm combined two methods, optical flow and color density distribution, it also took advantages of them.
本文论述了一种像素点匹配算法，它融合了光流法和基于颜色密度分布的方法，结合了两者的长处。
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