“…Four results showed that the method in this paper was better than the other ones. Advances in Multimedia 9 69.3333 (5,14) 59.3333 (4,12) 63.3333 (5,14) 59.3333 k=3 (4,12,14) 78 (5,(13)(14) 56.6667 (4,12,16) 76 (4,12,14) 64.6667 k=4 (4,7,12,14) 75.3333 (5,(13)(14)(15) 68.6667 (4,9,12,16) 73.3333 (4,9,12,14) 72 k=5 (2-5,7)…”