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。
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。
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。
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。
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 elastic registration technique for medical image based on optical flow field is presented in this paper.
摘要：提出了一种基于光流场的医学图像弹性配准方法。
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。
In this paper, a computation technology of variational optical flow based on Image-and Flow-driven is proposed.
提出一种基于图像光流联合驱动的变分光流计算方法。
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。
This paper presents a new method for estimating dense and accurate optical flow based on the motion of planar regions.
提出了一种基于局部小平面运动的光流估计新方法。
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。
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。
Aiming at the shortcoming of current optical flow based camera motion parameter extracting methods, a new method is presented in this paper.
本文针对现有的依据光流场的分布来求相机运动参数的算法中不足，给出了一种依靠运动矢量的分布来求相机运动参数的方法。
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。
This paper involves the research of reconstructing motion and structure of 3d rigid body with straight-line feature from straight-line optical flow.
本文主要研究基于直线光流场重建带直线特征的三维刚体运动和结构的计算理论和方法。
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。
In this method, from the lowest resolution, the approximate images are registered by optical flow field, and then reconstruct the image, up to the highest resolution.
方法先对图像进行小波分解，从最低分辨率的近似图像开始，采用光流场的方法进行逐级配准，再对配准的各分量进行重构，直至得到最高分辨率的配准图像。
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。
Compared with traditional optical flow and m estimation methods, the proposed algorithm only calculates in the DC domain and does not iterate, so it can segment almost in real time.
与传统光流法、M估计法比较，该算法只在压缩域上进行，不需迭代，具较强实时性。
In this paper, a moving target tracking method based on feature optical flow is proposed. It well overcomes the main disadvantages of the available feature optical flow based methods.
本文提出一种基于特征光流的运动目标跟踪方法，较好地克服了以往基于特征光流的方法中存在的主要不足之处。
Using the optical flow model to process the image motion is a good method. This paper presents the basic theory and approach to calculating image motion by using the optical flow model.
光流模型是处理运动图像的有效方法，本文介绍了用光流模型计算运动图像参数的基本原理和步骤。
Based on the optical flow technique in image motion analysis, a new continuous correction algorithm based on scene is proposed in the paper. The algorithm has a better adaptive performance.
本文结合图像运动分析中的光流技术，提出了一种新的基于场景的连续校正算法，该算法具有较好的自适应性能。
The experimental results show that this method has the advantages of robustness, global optimality and high convergent speed and it is feasible for optical flow estimation of nonrigid body.
实验结果表明：本方法具有鲁棒性好、全局搜索能力强、收敛速度快和可用于非刚性体运动估计等优点。
The experimental results show that this method has the advantages of robustness, global optimality and high convergent speed and it is feasible for optical flow estimation of nonrigid body.
实验结果表明：本方法具有鲁棒性好、全局搜索能力强、收敛速度快和可用于非刚性体运动估计等优点。
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