# initialize the legend visualization
legend = np.zeros(((len(CLASSES) * 25) + 25, 300, 3), dtype="uint8")

# loop over the class names + colors
for (i, (className, color)) in enumerate(zip(CLASSES, COLORS)):
	# draw the class name + color on the legend
	color = [int(c) for c in color]
	cv2.putText(legend, className, (5, (i * 25) + 17),
		cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
	cv2.rectangle(legend, (100, (i * 25)), (300, (i * 25) + 25),
		tuple(color), -1)