提出了一种基于局部小平面运动的光流估计新方法。
This paper presents a new method for estimating dense and accurate optical flow based on the motion of planar regions.
本文提出了一种由光流估计刚体的三维运动参数的方法。
In this paper, a method is presented for estimating 3-d motion parameters of a rigid body.
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。
The method is superior to Horn-Schunck method in optical flow estimation.
该文在分析光流模型约束条件的基础上，提出了一种鲁棒的多分辨率光流估计方法，并对光流应用于目标检测的一些实际问题进行了探讨。
Based on the detail analysis of optical flow model, a robust multi-resolution estimation approach of optical flow is proposed, and some practical problems are also discussed on target detection.
采用C语言完成了灰度转换、图像差分、中值滤波、光流估计、形心确定、高速球控制等软件模块的程序设计，调试出程序执行时间并做了实时性分析；
Most software module programs are compiled with the language C, and the execution time of the program is debugged and the real-time performance compared as well.
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。
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.
本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。
In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.
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。
However, the error of the optical flow estimation derived from the error of temporal differential estimation is not taken into account in above methods.
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。
In order to obtain more accurate results, the optical flow of sequence image is estimated by the method of weighted least-squares.
分析了光流计算中产生时域微分估计误差的各种因素，提出了光流的逐次逼近计算模型。
The factors, which introduce the error of temporal differential estimation are, analyzed. The successive approximation calculation model for the optical flow estimation is put forward.
采用基于特征的光流法，由单面冠状动脉造影图像序列估计二维血管的运动。
The method of generating the image sequence and ground truth based on ray - tracking in the optical flow;
采用基于特征的光流法，由单面冠状动脉造影图像序列估计二维血管的运动。
The method of generating the image sequence and ground truth based on ray - tracking in the optical flow;
应用推荐