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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 confidence1–0.5 = 0.51–0.5 = 0.51–0.5 = 0.5\(\hat{y}_1\) or \(\hat{y}_2\) or \(\hat{y}_3\)
Margin0.5–0.2 = 0.30.5–0.2 = 0.30.5–0.2 = 0.3\(\hat{y}_1\) or \(\hat{y}_2\) or \(\hat{y}_3\)
Entropy1.861.661.96\(\hat{y}_3\)