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；
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。
Edge constrain strategy is used to reduce the search region of each feature point.
加入了边缘约束策略，减小了特征点目标搜索的区域。
Secondly, this paper presents an algorithm for feature point detection and matching.
其次，对特征点检测与匹配算法进行研究。
Finally with the correct feature point matching for image registration implementation.
最后用正确的特征点匹配对实现图像的配准。
Random block feature point selection is developed to avoid feature point close clustering.
为了避免特征点选取相对集中，给出一种随机分块选取特征点对的方法。
In this paper, feature point extraction and tracking problem are put together in the research.
本文将特征点的提取与跟踪问题结合起来研究。
An approach to contour extraction and feature point detection in the 3-d fragment reassembly is proposed.
针对三维空间碎片的拼接，提出一种轮廓提取和特征点检测的方法。
It can obtain the feature point information of measured object directly and improve the measuring efficiency.
通过液晶光栅编码可以直接获得被测物体形貌特征点信息，提高了测量速度和效率。
This method can find the exact initial position and achieve better result of facial feature point localization.
由于能够快速获得较准确的初始位置，进而取得较好的人脸特征标定结果。
Print Chinese character feature point is one of the important features for print Chinese character classification.
印刷体汉字特征点是印刷体汉字分类的重要特征之一。
The feature point, by which there are two or more lines passed, would be regarded as corner (or candidate corner).
若存在二条(或二条以上)直线经过某点，则该点就被认为是角点(角点候选点)。
In blind watermark detection process, we also extract the feature point from the normalized image, then extract the watermark.
在进行水印盲检测时，首先对含水印图象进行归一化处理并提取特征点，然后进行水印提取。
Thirdly, the feature point set is filtered by the rule and two-step curve fitting method is used to obtain the dental arch form.
然后基于规则筛选出关键特征点集，通过两步最小二乘法拟合牙弓线。
For this method belongs to monocular vision, it avoids the unefficient problems of the correspondence of stereoscopic vision feature point.
由于该方法属于单眼视觉，避开了目前仍未能有效解决的立体视觉特征点对应性的问题。
The reverse of lumen part is different from outline, such as collect data method, treat with point, pick up feature point and curve fitting.
曲面内腔类零件的反求有别于轮廓外形的反求，主要体现在数据采集的方法，点云的处理，特征点的提取以及曲线的拟合。
The ameliorated part include: B-spline inserting and precision controling based on classing feature point of the irregular curve characteristic;
改进部分包括：基于不规则曲线特征点分类的样条插值和精度控制；
A new feature-point-based stereo matching algorithm is proposed in this paper, in order to match feature points more efficiently and accurately.
为了快速并更精确的对特征点进行立体匹配，本文提出了一种新的基于特征点的立体匹配算法。
Aiming at these problems, a new decision algorithm for image matching decision is proposed which USES the truncation of the feature point sequence.
针对上述问题，提出一种新的图像匹配判决算法——利用特征点序列截断的匹配判决。
By using calibrated image, it can measure plane absolute displacement of worktable automatically via feature point extraction and gray vector matching.
该方法采用事先通过标定的图像，对自然标志(特征点)的提取和基于灰度向量匹配来完成绝对位移的测量。
We have studied a new algorithm of feature point correspondence based on artificial landmark, solved the problem of feature point match between images.
论文研究了一种基于人工特征图标的图像间特征点自动匹配新算法，较好地解决了对应点匹配问题。
Reovering the feature point and feature line is the basic in the computer visual inspection, the high-precision is asked in the measurement of industry.
特征点、特征线的提取是计算机视觉检测的基础，特别是在工业检测中要求很高的精度。
Feature point matching is a key problem of computer vision and is frequently used in object recognition, image retrieval and 3d reconstruction and so on.
图像序列中的特征点匹配是计算机视觉中的一个基本问题，也是目标识别、图像检索以及3维重建等问题的基础。
By analyzing the measurement error of this system, it is known that the precision of detecting feature point is a decisive factor affecting the measurement.
通过对系统数学模型的误差分析，确定标志点的检测精度是影响测量误差的主要因素。
In the foundation of traditional feature point extraction algorithm we add macro feature point detection, this can optimize the extraction of feature points.
在传统的特征点提取算法基础上加入了特征点的宏观检测，优化了特征点的提取效果。
Terrain data is organized by grid, the article adopts height weighted average algorithm of elevation based on grid network, to extract feature point of TIN terrain.
采用网格索引来组织地形数据，利用反距离高程加权平均值算法，提取TIN地形的特征点。
In order to satisfy the consistency of the feature point spatial matching, a novel algorithm for video interpretation based on constraint of epipolar line is proposed.
为了满足目标特征点的空间匹配一致性要求，提出了一种基于外极线约束条件新的视频图像判读处理模式。
In this paper, binocular stereo vision for the detection of the CCD camera calibration, feature point extraction and matching feature points have been studied in detail.
本文主要对双目立体视觉检测技术的CCD相机标定、特征点提取和特征点匹配等内容做了详尽地研究。
Finally, space parameter measurement method based on feature point selection was designed to accurately measure the distance, Angle and volume of cutting motor structure.
最后，设计出基于特征点拾取的空间参数测量方法，实现剖切后发动机结构空间距离、角度和体积的精确测量。
Finally, space parameter measurement method based on feature point selection was designed to accurately measure the distance, Angle and volume of cutting motor structure.
最后，设计出基于特征点拾取的空间参数测量方法，实现剖切后发动机结构空间距离、角度和体积的精确测量。
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