Figure 1 round is transparent, in the initial state, when the state changes, the circle is one of the color change of this kind of what kind of way to deal with, please? Use the color analysis? Or background difference? Or other way? Please give me an idea? Deal with the thinking of? Just to differentiate between the two circles in the color value changed, may have other color,
CodePudding user response:
HSV RGB, and then judge the change of H