Book ChapterDOI
FaceMix: Transferring Local Regions for Data Augmentation in Face Recognition
TLDR
FaceMix as mentioned in this paper is a flexible face-specific data augmentation technique that transfers a local area of an image to another image, and it can generate new images for a class, using face data from other classes, and these two modes also could be combined.Abstract:
Augmentation strategies for image recognition based on local image patches have gained widespread popularity. Their main idea is to replace or remove some local regions of the image. The advantage of these methods is that they change part of the image and force the network to pay attention to the less significant parts, which leads to a greater generalization capacity of the network. While these methods work good for image recognition, they do not perform as well for face recognition tasks. The purpose of this work is to create augmentation specialized for face recognition and devoid of the shortcomings of previous works. We present FaceMix: a flexible face-specific data augmentation technique that transfers a local area of an image to another image. The method has two operating modes: it can generate new images within a class, and it can generate images for a class, using face data from other classes, and these two modes also could be combined. FaceMix is helping to solve the problems of class imbalance and insufficient number of images per identity. A feature of this method is that the number of possible artificial images grows quadratically with the growth of real images. Experiments on face recognition benchmarks, such as CFP-FP, AgeDB, CALFW, CPLFW, XQLFW, SLLFW, RFW and MegaFace, demonstrate the effectiveness of the proposed method. read more
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