[Retracted] Parallel Calculation Method of Patch Area Landscape Art Index Based on Surface Coverage Data

Table 2

Perimeter calculation results.

Patch area landscape number	Actual perimeter (m)	Calculated perimeter (m)	Absolute error (m)	Relative error (%)
2	6.25	6.20	0.05	0.8
5	18.96	19.10	0.14	0.74
11	52.56	52.31	0.25	0.48
16	37.42	37.54	0.12	0.32
23	40.09	39.8	0.21	0.52
25	51.39	50.90	0.49	0.95
34	22.57	22.45	0.12	0.53
45	33.48	33.72	0.24	0.72
52	43.61	44.03	0.42	0.96
67	29.80	30.06	0.26	0.87