It USES edge localization and curve fitting to solve one dimension displacement field and calculate the error.
面形检测采用边缘定位的方法，并且结合了曲线拟合的方法求解一维位移场来计算误差。
From the results of experimentation, the method can make the mark image edge achieve good edge localization and improve the alignment precision.
从实验的结果来看，这种方法能够对对准标记达到很好的边缘定位，提高了对准精度。
This paper presents an adaptive exponential filter used for edge detection. It can be designed to eliminate the noise of image and obtain good precision of edge localization.
本文提出一种用于图像边缘检测的自适应滤波器，利用它既可滤除图像噪声，又可获取精确度高的图像边缘。
Research on image detection based on wavelet makes up the disadvantage in the traditional edge detection and improves the edge localization precision avoiding noise effectively.
基于小波变换的多尺度边缘提取算法，有效地弥补了传统的边缘检测算法的不足，在有效地抑制噪声的同时，提供了较高的边缘定位精度。
Research on image detection based on wavelet makes up the disadvantage in the traditional edge detection and improves the edge localization precision avoiding noise effectively.
基于小波变换的多尺度边缘提取算法，有效地弥补了传统的边缘检测算法的不足，在有效地抑制噪声的同时，提供了较高的边缘定位精度。
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