基于二维 Log Butterworth滤波器的全方向边缘检测的频域实现方法
王珂 肖鹏峰 冯学智 吴桂平 李晖
Omnidirectional Edge Detection Based on Two-dimensional Log Butterworth Filters in Frequency Domain
Acta Geodaetica et Cartographica Sinica . 2013, (5): 682 -690 .