It includes image enhance based on four-neighborhood, eight-neighborhood and Butterworth high-pass filtering.The experiment result indicates that it is an available solution.

• 采用了有选择的局部平均化对元件图像进行平滑处理,并分别采用四邻、八邻和二阶巴特沃斯高通滤波器对元件图像进行增强,实验证明该研究对元件处理是有效实用的。