给出一种结合梯度矢量流(GVF)及椭圆变形模板的椭圆提取新算法。
A new ellipse extraction algorithm based on the ellipse-special deformable templates and gradient vector flow (GVF) was proposed.
理论分析和实验结果表明，所开发的椭圆提取算法具有鲁棒性强、适用范围广、精度高、速度快等优点。
Theoretical analysis and experimental results show that the proposed ellipse detection algorithm has the advantages of high robustness, wide applicability, high accuracy and good efficiency.
准椭圆函数滤波器是一种新型的高性能滤波器形式，但是由于其原型电路的形式比较复杂，用经典综合的方法提取其参数的效率很低，限制了这种形式滤波器的应用。
Quasi elliptic filer is a novel high performance filter. Due to its complicated prototype and poor efficiency to extract parameter with classic method, its application has been confined.
通过对边缘点集的归一化运算，有效地正则化了提取椭圆的边缘点集的病态性；
With normalization of the digital edge set, the ill-posed problem is effectively regularized.
通过对边缘点集的归一化运算，有效地正则化了提取椭圆的边缘点集的病态性；
With normalization of the digital edge set, the ill-posed problem is effectively regularized.
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