[Retracted] Recognition and Error Correction of Piano Playing Features Based on Filtering Technology

Table 4

Error correction effect evaluation.

Number	The method of this paper	The method of literature [3]	Number	The method of this paper	The method of literature [3]
1	81.97	70.31	27	87.31	79.53
2	79.03	70.69	28	78.80	73.18
3	79.06	70.55	29	88.18	81.78
4	75.83	65.67	30	74.86	67.64
5	74.80	71.55	31	74.97	70.68
6	78.92	70.37	32	86.11	76.11
7	89.92	87.51	33	74.62	66.45
8	72.84	72.31	34	84.20	81.69
9	88.45	76.32	35	77.63	76.31
10	77.09	69.74	36	72.55	66.80
11	83.05	77.29	37	89.22	78.93
12	76.95	75.32	38	88.01	76.93
13	81.26	73.56	39	85.24	83.59
14	82.82	73.32	40	78.14	71.21
15	73.06	67.63	41	75.35	75.16
16	87.15	81.53	42	81.78	80.68
17	89.53	77.69	43	84.25	72.41
18	72.35	69.21	44	75.77	68.12
19	80.06	78.78	45	73.31	70.88
20	85.01	78.65	46	85.64	81.70
21	78.70	67.05	47	79.16	76.70
22	83.16	81.80	48	73.26	62.75
23	75.73	75.13	49	80.78	79.63
24	87.45	81.26	50	77.39	69.94
25	72.06	68.33	51	76.50	66.66
26	79.93	75.30	52	84.95	81.26