Resisting the Distracting-factors in Pedestrian Detection

05/15/2020
by   Zhe Wang, et al.
Arizona State University
Beihang University
0

Pedestrian detection has been heavily studied in the last decade due to its wide applications. Despite incremental progress, several distracting-factors in the aspect of geometry and appearance still remain. In this paper, we first analyze these impeding factors and their effect on the general region-based detection framework. We then present a novel model that is resistant to these factors by incorporating methods that are not solely restricted to pedestrian detection domain. Specifically, to address the geometry distraction, we design a novel coulomb loss as a regulator on bounding box regression, in which proposals are attracted by their target instance and repelled by the adjacent non-target instances. For appearance distraction, we propose an efficient semantic-driven strategy for selecting anchor locations, which can sample informative negative examples at training phase for classification refinement. Our detector can be trained in an end-to-end manner, and achieves consistently high performance on both the Caltech-USA and CityPersons benchmarks. Code will be publicly available upon publication.

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