The principle of sub pixel subdivision positioning, measuring method for the pointing accuracy and the attainable accuracy are introduced in the paper.
本文介绍了亚象素细分定位的原理,瞄准精度的测量方法,以及所能达到的精度。
A method based on image processing is presented for measuring the pixel interval error of printer.
提出了一种基于图像处理的像素间距误差测量方法。
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.
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 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.
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 phase detection and curve-fitting techniques have been used in processing the interferogram, and sub-pixel measuring error has been obtained.
在干涉图的处理中,采用了相位检测和曲线拟合技术,得到了亚象素的测量精度。
The correlation method is used to process the data and then obtain the sub-pixel measuring precision.
采用相关法处理数据,实现了亚像素测量精度。
That the phase match between input signal and CCD pixel has influence on the measuring results of MTF is showed by the analysis of the CCD sampling process.
通过对CCD采样过程的分析,说明了输入信号与CCD像元位相匹配对调制传递函数(MTF)有影响。
The high accuracy center measuring method of marked points technique based on the fitting sub-pixel edge, and the methods of coded points designing and coded points auto-detecting were investigated.
采用编码点和非编码点相结合的方法实现摄影测量中对应点匹配技术,讨论了标记点的中心亚像素定位方法、两类标记点的识别及编码标记点的解码方法。
The high accuracy center measuring method of marked points technique based on the fitting sub-pixel edge, and the methods of coded points designing and coded points auto-detecting were investigated.
采用编码点和非编码点相结合的方法实现摄影测量中对应点匹配技术,讨论了标记点的中心亚像素定位方法、两类标记点的识别及编码标记点的解码方法。
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