Table 3 Three test scenarios with different SISC values.

From: Use of the Normalized Difference Road Landside Index (NDRLI)-based method for the quick delineation of road-induced landslides

Types

Total number of samples

Scenario 1

SISC > 1.100

Scenario 2

SISC > 1.075

Scenario 3

SISC > 1.050

Accuracy rate (%)

Accuracy rate (%)

Accuracy rate (%)

Bare soil

42

64.3

66.0

81.0

Farmland

46

89.1

89.1

89.1

FSF

84

99.0

97.6

92.9

CSF

34

95.4

82.3

58.8

  1. Note: If SISC > 1.100, ground objects are classified into farmland or bare soil, ground objects are landslides. Same rules are for SISC > 1.075 and >1.050 scenarios.
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