提出一种基于MATLAB的圆度评定方法，利用MATLAB优化工具箱，为采用最小区域圆法、最小二乘圆法、最小外接圆法和最大内接圆法实现圆度的评定提供了新的选择。
By using MATLAB optimization toolbox, the method has supplied a new selection to assess roundness with taking MZC, LSC, MCC and MIC as its reference circle.
在测量尺寸时，依据图像分割所提取的轮廓，使用自编程序利用最小区域法对圆度误差进行评定，并计算、测量链板的孔径和节距。
Roundness error is evaluated by minimum region law. The diameter of the holes and the distance between the axes of two holes are calculated and measured by program.
本文根据圆度误差的数学模型，论述了评定圆度误差的最小二乘法、最小区域法和谐波分析法。
Based on the mathematical model of circularity error, the least square method, minimum envelope zone method and harmonic analysis method for evaluating the circularity error are treated.
本文根据圆度误差的数学模型，论述了评定圆度误差的最小二乘法、最小区域法和谐波分析法。
Based on the mathematical model of circularity error, the least square method, minimum envelope zone method and harmonic analysis method for evaluating the circularity error are treated.
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