keep edge meaning in English
保持优势
Examples
- With multi - scale characterization , wavelet analysis was widely used to multi - scale edge detection . in this paper , it was proved that , wavelet - based multi - scale edge detection would keep edge positions very well , if symmetric bases were used in wavelet transform
小波分析具有多尺度特性，既有大尺度的基函数，又有小尺度的基函数，因而在运用于边缘检测时，正好解决了这个问题。