Table 1 Accuracy assessment of object-based image analysis (OBIA) method on the estimation of penguin population.

From: Aerial photography based census of Adélie Penguin and its application in CH4 and N2O budget estimation in Victoria Land, Antarctic

Sample

Gray scale image

RGB image

Precision

Recall

F β

Precision

Recall

F β

1

0.72

0.77

0.74

0.74

0.76

0.75

2

0.79

0.81

0.80

0.89

0.75

0.81

3

0.65

0.70

0.67

0.74

0.77

0.75

4

0.77

0.78

0.77

0.85

0.72

0.78

5

0.80

0.79

0.79

0.74

0.78

0.76

6

0.76

0.77

0.76

0.84

0.82

0.83

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