gradient threshold 梯度临界值
gradient threshold value 梯度阈值分割
local standardization for gradient threshold 局部标准化阈值
threshold pressure gradient 启动压力梯度 ; 渗流
gradient variable-threshold 敏度阈值
threshold gradient 阈值梯度
threshold pressure gradient tpg 启动压力梯度
Pseudo threshold pressure gradient 拟启动压力梯度
seepage threshold pressure gradient 渗流启动压力梯度
In order to remove the residual noise which can not be smoothed by filter, the smoothing coefficient and constrain coefficient were used to threshold the gradient image.
为了消除噪声残留，引入了平滑系数与限制强度系数对梯度图作阈值化处理。
This article has introduced an improved algorithm variable difference threshold value which is based on gradient.
文章介绍了一种改进的基于斜率的可变差分阈值算法。
In the improved algorithm, the pre-processed image is smoothed and the proper gradient threshold is set to prevent the generation of insignificant regions.
该改进算法在预处理阶段对图像进行平滑操作并设置适当的梯度阈值，即减少了梯度图像中非重要区域的产生。
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