def colorEvolution(img1, contour1, img2, contour2):
'''
returns the evolution of color
'''
nbColors1 = Color.colorHSVIntervals(img1, contour1)
nbColors2 = Color.colorHSVIntervals(img2, contour2)
evolutionC = abs(nbColors1 - nbColors2)
return evolutionC
def color(img, contour):
'''
returns the number of colors
'''
nbColors = Color.colorHSVIntervals(img, contour)
return nbColors
