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Open-set face identification with automatic detection of out-of-distribution images
A.D. Sokolova 1, A.V. Savchenko 1, S.I. Nikolenko 2

National Research University Higher School of Economics,
603093, Nizhny Novgorod, Russia, Rodionova 136;
Saint Petersburg University, 199034, Saint-Petersburg, Russia, Universitetskaya nab. 7-9

 PDF, 829 kB

DOI: 10.18287/2412-6179-CO-1061

Pages: 801-807.

Full text of article: Russian language.

One of main issues in face identification is the lack of training data of specific type (bad quality image, varying scale or illumination, children/old people faces, etc.). As a result, the recogni-tion accuracy may be low for input images which are not similar to the majority of images in the dataset used to train the feature extractor. In this paper, we propose that this issue is dealt with by the automatic detection of such out-of-distribution data based on the addition of a preliminary stage of their automatic rejection using a special convolutional network trained using a set of rare data collected using various transformations. To increase the computational efficiency, the decision about the presence of a rare image is made on the basis of the same face descriptor that is used in the classifier. Experimental research confirmed the accuracy improvement of the proposed approach for several datasets of faces and modern neural network descriptors.

face recognition, anomaly detection, image processing, detection of out-of-distribution images.

Sokolova AD, Savchenko AV, Nikolenko SI. Open-set face identification with automatic detection of out-of-distribution images. Computer Optics 2022; 46(5): 801-807. DOI: 10.18287/2412-6179-CO-1061.

The research was supported by the Russian Science Foundation under RSF grant 20-71-10010. The research work by S. Nikolenko was supported by St. Petersburg State University under project # 73555239 "Artificial Intelligence and Data Science: Theory, Technology, Industrial and Interdisciplinary Research and Applications''.


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