The author introduces a pipe defect locating method by contact type ultrasonic detection — finger oil dipping touching method and analyses the theoretical basis of defect locating by this method.
介绍了钢管接触法超声波探伤缺陷定位方法——手指蘸油触摸法，分析了利用此种方法进行缺陷定位的理论依据。
Under the basis of the analysis to characteristic of toll station vehicle number-plate, this paper presents an improved number-plate locating method based on the characteristics of gray beep points.
该文在对收费站汽车牌照特征分析的基础上，提出了一种改进的基于扫描行的灰度跳变点特征的车牌定位算法。
Accurate object locating is a key problem in image measurement system, and it is also the basis of other image processing procedure.
在图象测量系统中，目标的精确定位是一个关键问题，也是应用其它图象处理技术的基础。
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