边缘聚焦 meaning in English

edge focusing

Scale space filter can restrain noise and recognize edge reliably in big scale , and can confirm positions accurately in small scale , at last get the true positions of edge by focus processing from big scale to small scale . but traditional canny arithmetic based on guass scale space have shortcomings such as big computing and confirming positions inaccurately
尺度空间滤波能在大尺度下抑制噪声可靠的识别边缘，在小尺度下精确定位，最后由粗及精地进行边缘聚焦而得到边缘的真实位置，但是传统的基于guass尺度空间的canny算子计算量大，定位不够精确。