Traditional processing method is difficult to ensure the curved surface precision, has the unconquerable obstacles.

传统加工方法难以保证曲面精度，存在无法克服的障碍交替传译。

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The general method of contour retrieval is the least square method, but the computational effort of which is too much and the precision of which is difficult to ensure.

提取鱼眼图像轮廓一般是采用最小二乘拟和的方法，但该方法计算量大，精度难以保证。

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The general method of contour retrieval is the least square method, but the computational effort of which is too much and the precision of which is difficult to ensure.

提取鱼眼图像轮廓一般是采用最小二乘拟和的方法，但该方法计算量大，精度难以保证。

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