Spotlight Talk 1: Revisiting Classical Bagging with Modern Transfer Learning for On-the-fly Disaster Damage Detector

NeurIPS 2019

Spotlight Talk 1: Revisiting Classical Bagging with Modern Transfer Learning for On-the-fly Disaster Damage Detector

Dec 13, 2019
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Automatic post-disaster damage detection using aerial imagery is crucial for quick assessment of damage caused by disaster and development of a recovery plan. The main problem preventing us from creating an applicable model in practice is that damaged (positive) examples we are trying to detect are much harder to obtain than undamaged (negative) examples, especially in short time. In this paper, we revisit the classical bootstrap aggregating approach in the context of modern transfer learning for data-efficient disaster damage detection. Unlike previous classical ensemble learning articles, our work points out the effectiveness of simple bagging in deep transfer learning that has been underestimated in the context of imbalanced classification. Benchmark results on the AIST Building Change Detection dataset show that our approach significantly outperforms existing methodologies, including the recently proposed disentanglement learning. Speakers: Junghoon Seo

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