Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.

首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；

youdao

Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.

首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；

youdao