Skip to main content

Table 2 Uncertainty sampling example

From: Active learning with point supervision for cost-effective panicle detection in cereal crops

Sampling method

\(\hat{y}^1\)

\(\hat{y}^2\)

\(\hat{y}^3\)

Queried sample

Least confidence

1–0.5 = 0.5

1–0.5 = 0.5

1–0.5 = 0.5

\(\hat{y}_1\) or \(\hat{y}_2\) or \(\hat{y}_3\)

Margin

0.5–0.2 = 0.3

0.5–0.2 = 0.3

0.5–0.2 = 0.3

\(\hat{y}_1\) or \(\hat{y}_2\) or \(\hat{y}_3\)

Entropy

1.86

1.66

1.96

\(\hat{y}_3\)