Controlling false positives in multiple instance learning: The “c-rule” approach

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Resum

This paper introduces a novel strategy for labeling bags in binary Multiple Instance Learning (MIL) under the standard MI assumption. The proposed approach addresses errors in instance labeling by classifying a bag as positive if it contains at least c positively labeled instances. This strategy seeks to balance the trade-off between controlling the false positive rate (mislabeling a negative bag as positive) and the false negative rate (mislabeling a positive bag as negative) while reducing labeling efforts.
The study provides theoretical justifications for this approach and introduces algorithms for its implementation, including determining the minimum value of c required to keep error rates below predefined thresholds. Additionally, it proposes a methodology to estimate the number of genuinely positive and negative instances within bags. Simulations demonstrate the superior performance of the “c-rule” compared to the standard rule (corresponding to
) in scenarios with sparse positive bags and moderately low to high probability of misclassifying a negative instance. This trend is further validated through comparisons using two real-world datasets. Overall, this research advances the understanding of error management in MIL and provides practical tools for real-world applications.
Idioma originalAnglès
Número d’article109367
Nombre de pàgines23
RevistaInternational Journal of Approximate Reasoning
Volum179
DOIs
Estat de la publicacióPublicada - d’abr. 2025

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