利用边缘提取算法获得像素级条纹后，再利用亚像素技术可以进一步对条纹进行高精度提取。
After getting pixel stripes with edge detection algorithm, the high precision strips could be detected by sub-pixel technology.
使用CCD成像的机器视觉系统进行精加工零件尺寸检测时，图像轮廓边缘的亚像素定位分析是决定测量精度的一个重要因素。
The subpixel localization is a key factor to determinate measurement accuracy in using CCD vision measurement system for measuring the size of precision part.
针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。
Two simple and efficient algorithms of sub-pixel corner detection for camera calibration dy using plane pattern were presented.
实验中分别应用了爬山搜索法和相关系数拟合法来分别搜索整像素的位移和亚像素的位移。
In the experiment, a mountain-climbing searching method and a curve-fitting method were employed to determine the integral pixel displacement and the sub-pixel displacement respectively.
采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
对每一个网格节点进行亚像素处理，在相邻的网格区间节点上用标准差值对照法确定分段线性直线方程。
We handle every grid node with sub-pixel orientation method and find out subsection linearity equation between every space grid interval by standard difference contrasting method.
在对图像边缘检测上应用了亚像素插分，提高了精度。
Through edge detection and pixel subdivision technique, the accuracy of measurement has been raised.
针对这三个因素，本文研究了SLM显微图像的噪声处理和亚像素特征提取。
For these factors, noise processing and sub-pixel feature extraction for SLM microscopic images are studied in this papa.
方法中采用基于类椭圆边缘属性对特征区域进行自动识别，采用最小二乘椭圆拟合精确求取类椭圆亚像素定位中心。
In the method, the automatic identification of feature area is fulfilled based on the edge attribute, and the sub-pixel center location is accomplished with the least-square approach.
本文提出了一种新颖的基于抛物线拟合原理的亚像素求取算法。
A new sub-pixel algorithm based on the principle of the parabola fitting is proposed.
基于图像相关分析理论提出了一种新的补零相关分析算法以确定不同数字图像上的相关标记点，其测量精度可达亚像素量级。
A zero-padding algorithm based on correlation-based image analysis theory with the accuracy of sub-pixel class was presented to determine the benchmarks in different digital images.
并给出此种方法的具体实现步骤，实验证明这种方法检测精度可达到亚像素级，具有很好的检测稳定性，有很强的实用价值。
The measuring results show that this method can obtain sub-pixel locating accuracy, higher stability and reliability in the running process, so it has important applied value.
利用相关系数在真实匹配点附近的统计特性，通过对相关系数进行曲线拟合，根据其一阶导数确定最大相关系数所在的位置，快速得到亚像素匹配点。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
同时，采用特征与影像叠加进行了亚像素匹配。
Sub pixel matching is carried out by superposing edge feature on image.
在视觉检测中，许多待检目标边缘都是屋脊型边缘，而现有亚像素边缘检测方法往往只研究阶跃边缘的检测，对屋脊边缘的研究较少。
In industrial vision inspection, many edges of inspecting objects are. some kinds of roof edges, but current sub-pixel edge detection methods are only applied to step edges.
实验结果表明：在低噪声图像中，两种算法的边缘定位精度均达到满意的结果，且最小二乘线性回归亚像素定位算法速度较快。
The experiment results show that the precision of two algorithms is satisfactory and the velocity of the MLS linear regression subpixel localization is faster.
针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。
The pixel level corners were detected by classical Harris corner detector, and then some methods were used to get sub-pixel accuracy.
最后，本文提出TARGET亚像素细分的靶标定位技术，解决了硬件提高精度的困难。
At last, target sub-pixel subdivision of target localization is put forward, as a result increasing the precision the difficulty on hardware is solved.
因此，亚像素精度的算法在高精度的边缘检测中受到重视。
So subpixel algorithms are at a premium in higher precision measurement.
在利用改进的SUSAN算子进行亚像素角点检测时，综合应用了索贝尔边缘算子、灰度平方重心法等方法。
Sobel operator and gray square centrobaric arithmetic were synthesized with the improved SUSAN operator in subpixel corner detection.
采用相关法处理数据，实现了亚像素测量精度。
The correlation method is used to process the data and then obtain the sub-pixel measuring precision.
因此，用于边缘精确定位的亚像素算法已被广泛研究。
Therefore, the sub-pixel algorithm in edge precise positioning was widely researched.
本文对光栅投影条纹图像进行预处理，提出采用重心法提取条纹中心线位置，可以获得亚像素级的精度；
The method of barycenter, which can obtain the sub-pixel accuracy to abstract the fringe-centerlines, is presented in this paper after preprocessing the picture using grating projection.
根据像素点的梯度方向和直线局部特性提出了一种新的亚像素直线特征检测方法。
A new method is proposed according to the pixels gradient direction and the lines local property.
摄像机光学畸变的修正以及图像处理的亚像素定位方法，减小了目标图像的定位误差，提高了系统的测量和调整的精度。
The correction of camera optics distortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
实验证明了文本方法的有效性和可行性，配准结果达到亚像素精度。
Experiment results show subvoxel accuracy can be achieved and the feasibility and efficiency of algorithms are verified.
经典的最大互信息方法利用图像像素或体素灰度的统计特性很好地实现了配准的目的，使配准结果达到亚像素级；
The standard MMI method makes use of the statistical property of image voxels and pixels and arrives perfect results of registration, up to sub-voxel level.
对矩形和圆形区域中各像素进行亚像素划分，确定各亚像素的权值，得到基于亚像素的综合加权区域能量。
Dividing pixels in rectangular and circular regions into subpixels and determining weight of each subpixel the composite weighted region energy of each pixel is obtained in the region.
采用基于空间矩的回转体像面目标直线边缘亚像素提取技术，获得回转体目标在每个像面上的两条母线的亚像素直线方程。
The subpixel line equations of two generatrices in two planes projected by the rotary object is obtained by the subpixel straight line edge detection method based on spatial moment.
采用基于空间矩的回转体像面目标直线边缘亚像素提取技术，获得回转体目标在每个像面上的两条母线的亚像素直线方程。
The subpixel line equations of two generatrices in two planes projected by the rotary object is obtained by the subpixel straight line edge detection method based on spatial moment.
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