检测系统达到了亚像素级的位移分辨率。
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.
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.
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.
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.
提出了一种新型的测量图像快速亚像素边缘检测方法。
A novel fast sub-pixel edge detection method for image measurement is proposed.
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.
同时对多项式插值亚像素边缘检测方法进行了初步的研究。
And the method of the polynomial interpolation for sub-pixel edge measure was also studied elementarily.
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.
分析和讨论的结果为亚像素边缘定位技术的选取提供可靠依据。
The contrast result provided a reliable basis for selecting subpixel edge detections in practice.
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.
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.
亚像素运动估计:直接迭代菱形和方形搜索。这里没有什么特别有趣的。
Subpixel motion estimation: Straightforward iterative diamond and square searches. Nothing particularly interesting here.
通过实验表明该方法可以充分利用FFT的高效运算,达到亚像素精度。
Experiments show that the method takes full advantage of the high efficiency of FFT, and can also achieve sub-pixel accuracy can be achieved.
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.
利用亚像素边缘定位算法,对砂轮图像进行轮廓提取,并与理论轮廓进行比较。
The outline edge of grinding wheel can be extracted with the algorithm, and the detected result is compared with the perfect outline.
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.
利用理想光条法,比较了几种有代表性的亚像素算法对于圆弧状边缘的定位能力。
Through ideal light bar method, some representative sub-pixel algorithm were compared for the capability of positioning circular arc edge.
互信息的使用使得待配准图像不需要进行预处理,并且配准的精度可以达到亚像素级。
The image need not pretreatment and the accuracy of registration can reach as high a level as sub-pixel if you registrate image by mutual information method.
最后,根据图形的亚像素边缘通过直线和圆等图元拟合方法实现图形尺寸的精确测量。
Finally figure fitting methods like line and circle fitting were used to fit figures in the real image for measuring figure dimension precisely.
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.
针对图像配准中的亚像素参数估计问题,提出了一种相位相关和模板匹配相结合的方法。
In order to deal with the problem of the estimation of image registration parameter, this thesis ADAPTS the way of combining the methods of phase correlation and template matching.
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.
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.
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.
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.
应用改进后的基于一阶微分期望值的亚像素边缘检测算法,可以快速、精确地检测到边缘的位置。
Using improved sub-pixel edge detecting algorithm based on the expectation of first-order derivatives, we can fast and precisely detect the edge position.
采用的瞄准方法综合使用了图像处理方法、亚像素细分方法、曲线拟合方法和“电子准星”技术。
In the automatic aiming method, image processing, sub-pixel division, curve fitting and "electronic front sight" technologies are synthetically utilized.
实验结果表明,系统能够获得亚像素级的精度,并且能在系统性能衰减最小的情况下达到实时变形。
Our experiments indicate that the system is able to achieve sub-pixel accuracy and achieve real-time warping with minimum system performance degradation.
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.
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