Review of methods and systems for generation of synthetic training data

Abstract

It is impossible to imagine the advancement of modern artificial intelligence systems without neural network technologies. During the design process researchers are often faced with the fact that there is not enough data to train modern neural network models, these data may be unbalanced or highly sparse. Often it happens that real data simply does not exist, as the research field is still emerging. A relevant problem is ensuring the confidentiality of real personal or patient medical data, which is used in the exchange between researchers or in the testing of various neural network systems. In many subject areas, the cost of collecting and marking up real data can be very high. Synthetic data is increasingly being used to solve these problems. The purpose of this publication is to introduce readers to advances in the generation and use of synthetic data. The paper presents a description of various methods, systems and software tools used to generate synthetic data, which can help to improve neural network models. Since an entire industry for synthetic data production has already formed, the leading data synthesis technology platforms are presented. The paper is of an overview nature, so it contains an extensive bibliography. The value of the article lies in the fact that this review will help readers broaden their understanding of the use of synthetic data in solving a wide range of neural network problems, as well as to become more familiar with the methods and tools for their generation.