MogFace: Rethinking Scale Augmentation on the Face Detector

• URL: http://arxiv.org/abs/2103.11139v2
• Date: Wed, 24 Mar 2021 03:08:44 GMT
• Title: MogFace: Rethinking Scale Augmentation on the Face Detector
• Authors: Yang Liu, Fei Wang, Baigui Sun, Hao Li
• Abstract summary: We investigate the difference among the previous solutions, including the fore-ground and back-ground information of an image and the scale information. We propose a Selective Scale Enhancement (SSE) strategy which can assimilate these two information efficiently and simultaneously. Our method achieves state-of-the-art detection performance on all common face detection benchmarks.
• Score: 17.570686622370403
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Face detector frequently confronts extreme scale variance challenge. The famous solutions are Multi-scale training, Data-anchor-sampling and Random crop strategy. In this paper, we indicate 2 significant elements to resolve extreme scale variance problem by investigating the difference among the previous solutions, including the fore-ground and back-ground information of an image and the scale information. However, current excellent solutions can only utilize the former information while neglecting to absorb the latter one effectively. In order to help the detector utilize the scale information efficiently, we analyze the relationship between the detector performance and the scale distribution of the training data. Based on this analysis, we propose a Selective Scale Enhancement (SSE) strategy which can assimilate these two information efficiently and simultaneously. Finally, our method achieves state-of-the-art detection performance on all common face detection benchmarks, including AFW, PASCAL face, FDDB and Wider Face datasets. Note that our result achieves six champions on the Wider Face dataset.

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