Assessing swidden land use in Myanmar by decision tree-based detection method using landsat imagery

Table 1 Threshold values and accuracy assessment

Threshold Name	Quartile	Threshold Value	No. of Ground Truth plots	No. of Model plots	Overlap Plots	Plot-based Accuracy (%)	Ground truth area (ha)	Model Area (ha)	Overlap area (ha)	Area-based Accuracy (%)
dNBR_1	Min	dNBR > 0.058	100	572	53	9.27	129.42	1777.64	1163.35	65.44
dNBR_2	1st	dNBR > 0.297	100	94	72	76.60	129.42	135.45	105.19	77.67
dNBR_3	2nd	dNBR > 0.371	100	58	46	79.31	129.42	62.724	48.42	77.20
dNBR_4	3rd	dNBR > 0.440	100	36	27	75.00	129.42	24.58	19.06	77.53
dNBR_5	Max	dNBR > 0.588	100	1	1	100.00	129.42	0.51	0.51	100.00
RdNBR_1	Min	RdNBR > 8	100	310	70	22.58	129.42	637.26	331.54	52.03
RdNBR_2	1st	RdNBR > 18	100	112	70	62.50	129.42	190.32	147.66	77.59
RdNBR_3	2nd	RdNBR > 21	100	98	65	66.33	129.42	143.71	115.07	80.07
RdNBR_4	3rd	RdNBR > 23	100	91	65	71.43	129.42	109.25	88.85	81.33
RdNBR_5	Max	RdNBR > 29	100	26	17	65.38	129.42	13.08	8.54	65.27
dNDVI_1	Min	dNDVI > 0.032	100	682	42	6.16	129.42	2231.89	1534.94	68.77
dNDVI_2	1st	dNDVI > 0.158	100	124	77	62.10	129.42	195.60	140.42	71.79
dNDVI_3	2nd	dNDVI > 0.235	100	56	41	73.21	129.42	57.75	42.47	73.55
dNDVI_4	3rd	dNDVI > 0.303	100	16	9	56.25	129.42	9.98	6.32	63.26
dNDVI_5	Max	dNDVI > 0.515	100	0	0	-	129.42	0	0	-

ISSN: 2662-4044