You might know it's not right because you'll start to sense that there aren't as many differences in colors.

你可能知道有点不对劲，因为你会开始感觉到颜色上没有那么多的差异。

Hue is also related to specific or small differences in color.

色调也与颜色的特定或微小差异有关。

Customers didn't know that the difference in color was due to the fact that the boxes were printed at different factories.

顾客并不知道颜色的差异是由于盒子是在不同的工厂印制而成的。

We can define this behavior more formally by creating a rule that says the likelihood of a pixel being a vertical edge is the magnitude of the difference in color between some pixels to its left and some pixels to its right.

我们可以通过创建一个规则来更正式地定义此行为，该规则表示像素是垂直边缘的可能性是其左侧的一些像素和其右侧的一些像素之间颜色差异的大小。