REBoost: Probabilistic resampling for boosted pedestrian detection

Shiming Lai, Maojun Zhang, Yu Liu, Barry-John Theobald

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Cascaded object detectors have demonstrated great success in fast object detection, where image regions can quickly be rejected using a cascade of increasingly complex rejectors/detectors. Although such cascaded detectors typically are fast and require minimal computation, they usually require iterative training, where classifiers are retrained to optimize rejection thresholds after testing on a validation set. We propose a cascaded object detector that uses probabilistic resampling for boosting reweighting, which has the advantage that only a single training step is required. Decision thresholds can be tuned on a validation set without the need for classifier retraining. Empirical results on a pedestrian detection task demonstrate that this reweighting results in a strong classifier that quickly rejects image regions and offers higher accuracy than other competing approaches.
Original languageEnglish
Article number127203
JournalOptical Engineering (OE)
Issue number12
Publication statusPublished - 2011

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