So subpixel algorithms are at a premium in higher precision measurement.
因此,亚像素精度的算法在高精度的边缘检测中受到重视。
In this paper, we introduce the common subpixel techniques and use them in grid mesurement.
本文介绍了常用的正像素图像处理技术,并将其应用于网格测量方法;
The contrast result provided a reliable basis for selecting subpixel edge detections in practice.
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。
For subpixel precision, it supports quarter-pel motion vectors with a 6-tap interpolation filter.
对于亚像素精度,它支持与六抽头插值滤波器四分之一像素运动矢量。
Numerical results show that the phase correlation method can be applied to subpixel target location of digital images.
结果显示,相位相关方法可以运用于数字图像的亚像元目标定位问题。
Subpixel motion estimation: Straightforward iterative diamond and square searches. Nothing particularly interesting here.
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。
Centroid: The "center of gravity" of the image of an object, defining the position of the object with subpixel precision.
质心:图片中一个目标的“质心”,精确到比像素更高一级。
Subpixel imaging technology is a state-of-the-art method to reduce the size of camera and improve the spatial resolution.
亚像元成像技术是实现相机小型化、提高相机空间分辨率的有效方法。
Sobel operator and gray square centrobaric arithmetic were synthesized with the improved SUSAN operator in subpixel corner detection.
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。
The centroid algorithm is the traditional method for subpixel location, but it is shown that exist a systematic error and a random one.
质心法是星点质心亚像元定位的传统方法,然而,它存在系统误差和随机误差。
The advent of style sheets, and anti-aliased fonts with subpixel positioning promises to offer richer choices to HTML authors than previously possible.
样式表以及平滑处理字体的出现给HTML作者提供了比以前更加丰富的控制。
The subpixel localization is a key factor to determinate measurement accuracy in using CCD vision measurement system for measuring the size of precision part.
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 experiment results show that the precision of two algorithms is satisfactory and the velocity of the MLS linear regression subpixel localization is faster.
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 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。
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.
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.
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。
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