Test results show that average-adaptive smoothingoperator can evidently improve location accuracy. The reason is that the combined smoothingoperator can eliminate noise and make edge sharp.
采用平均一自适应联合的平滑算法，显著改善了边缘定位精度，其实质在于消噪和锐化边缘。
2
A smoothing function which can be approximated by NCP-function is given and the smoothing Newton method is applied to resolve this nonsmooth operator equation.