波算子 meaning in English

[数学] wave operator

Firstly , the classic methods of image edge detection are introduced . secondly , the technique of linear filter and its application is discussed . at last , wavelet , which has multi - scale method , is researched and applied to image edge detection , some good results are gained correspondingly
介绍了经典的图像边缘检测方法；讨论了线性滤波技术及其在图像边缘检测中的应用；研究了具有多尺度思想的小波算子，并将其应用到图像边缘检测中。