Search Results for author: Lorenzo Perini

Found 4 papers, 3 papers with code

Deep Neural Network Benchmarks for Selective Classification

1 code implementation23 Jan 2024 Andrea Pugnana, Lorenzo Perini, Jesse Davis, Salvatore Ruggieri

The selective classification framework aims to design a mechanism that balances the fraction of rejected predictions (i. e., the proportion of examples for which the model does not make a prediction) versus the improvement in predictive performance on the selected predictions.

Benchmarking Classification

How to Allocate your Label Budget? Choosing between Active Learning and Learning to Reject in Anomaly Detection

1 code implementation7 Jan 2023 Lorenzo Perini, Daniele Giannuzzi, Jesse Davis

In this paper, we propose a mixed strategy that, given a budget of labels, decides in multiple rounds whether to use the budget to collect AL labels or LR labels.

Active Learning Anomaly Detection

Estimating the Contamination Factor's Distribution in Unsupervised Anomaly Detection

3 code implementations19 Oct 2022 Lorenzo Perini, Paul Buerkner, Arto Klami

We leverage on outputs of several anomaly detectors as a representation that already captures the basic notion of anomalousness and estimate the contamination using a specific mixture formulation.

Unsupervised Anomaly Detection

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