gray-gradient co-occurrence 灰度梯度共生矩阵
Gray Gradient 镜片颜色 ; 灰度梯度
line-gray gradient 线灰度梯度
Gray Gradient Aqua 镜片颜色
Brown Gray Gradient 镜片颜色
gray gradient method 灰度梯度法
gray-gradient method 灰度梯度法
gray gradient histogram 灰度梯度直方图
gray gradient information 灰度梯度信息
The gray-gradient co-occurrence matrix of the text region is calculated, and the optimum thresholds of segmented grayscale and gradient are found quickly according to the objective function.
首先计算文本区域的灰度-梯度共生矩阵，并根据目标函数快速地找到分割的灰度和梯度最佳阈值；
One of my favorites is the good old gray to black (or darker gray) radial gradient.
我的最爱之一就是从老灰到黑灰的渐变。
Then grab the gradient tool (shorcut ‘G’ on the keyboard) and setup a white to gray to white gradient like the one referenced below.
选择渐变工具（快捷键“G”），设置一个白-灰-白的渐变，如下图。
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