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Figure 7 | BMC Bioinformatics

Figure 7

From: An active learning based classification strategy for the minority class problem: application to histopathology annotation

Figure 7

Cost of Class Balance. (a) Plot of annotations N t required for class balance as a function of t; shown are CBAL (blue line), CBRL (red dashed line), and the predicted N t from Equation 1 (black line). (b) The cost of obtaining a specific class ratio as iterations increase. If a high percentage of minority class samples is desired, the cost increases.

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