NMS by Representative Region: Towards Crowded Pedestrian Detection by Proposal Pairing

October 2020

tl;dr: Predict both full bbox and visible region and use visible region for NMS.

Overall impression

This paper resembles that of Visibility guided NMS, which focuses on crowd vehicle detection. The contribution of this paper is the introduction of the PPFE (paired proposal feature extractor) module. This takes the feature aggregation in Double Anchor to a new level.

Key ideas

Technical details