应用科学的理论和方法对A公司采用同心圆多样化的战略问题进行了研究。
Through the application of scientific theory and method, this article makes efforts on researching into the strategic problem of concentric diversification used by company A.
同心圆法是解决这个问题比较好的方法。
最后采用同心圆现场标定的方法实现了图像的畸变校正。
Lastly, the method of concentric calibration is designed to realize image distortion correction.
采用二值化的方法获得瞳孔的粗定位的参数后，由于瞳孔和虹膜的外边缘近视为同心圆，该参数可用作提取虹膜外边缘的基础。
After finding parameter of coarse location, the inner and outer circle can be got based on the parameter because the circle of pupil and circle of iris nearly have the same center.
采用二值化的方法获得瞳孔的粗定位的参数后，由于瞳孔和虹膜的外边缘近视为同心圆，该参数可用作提取虹膜外边缘的基础。
After finding parameter of coarse location, the inner and outer circle can be got based on the parameter because the circle of pupil and circle of iris nearly have the same center.
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