A Real-Time Apple Grading System Using Multicolor Space

Table 1

Experimental results of different color spaces for apples.

Color spaces	𝑅	𝐺	𝐵	𝐻	𝑆	𝑉
Red	0.099∓0.040	0.009∓0.004	0.010∓0.00	0.622∓0.314	0.750∓0.055	84.796∓17.059
Yellow	0.347∓0.128	0.288∓0.108	0.010∓0.004	0.154∓0.012	0.832∓0.043	153.669∓27.267
Background	0.013∓0.004	0.011∓0.003	0.023∓0.006	0.610∓0.142	0.307∓0.124	37.478∓5.902
Color spaces	𝐿	𝑎	𝑏	𝑋	𝑌	𝑍
Red	18.401∓4.154	29.095∓5.810	14.645∓5.22	0.046∓0.017	0.029∓0.011	0.013∓0.004
Yellow	57.922∓9.869	−4.756∓2.787	56.835∓8.805	0.248∓0.091	0.271∓0.107	0.051∓0.018
Background	9.894∓2.349	3.278∓1.660	−7.244∓2.793	0.013∓0.003	0.014∓0.004	0.023∓0.006