Method for Constructing Neural Network Means for Recognizing Scenes of Political Extremism in Graphic Materials of Online Social Networks
Tereikovskyi I. Alshboul R. Mussiraliyeva S. Tereikovska L. Bagitova K. Tereikovskyi O. Hu Z.
June 2024Modern Education and Computer Science Press
International Journal of Computer Network and Information Security
2024#16Issue 352 - 69 pp.
Countering the spread of calls for political extremism through graphic content on online social networks is becoming an increasingly pressing problem that requires the development of new technological solutions, since traditional approaches to countering are based on the results of recognizing destructive content only in text messages. Since in modern conditions neural network tools for analyzing graphic information are considered the most effective, it is assumed that it is advisable to use such tools for analyzing images and video materials in online social networks, taking into account the need to adapt them to the expected conditions of use, which are determined by the wide variability in the size of graphic content, the presence of typical interference, limited computing resources of recognition tools. Using this thesis, a method has been proposed that makes it possible to implement the construction of neural network recognition tools adapted to the specified conditions. For recognition, the authors neural network model was used, which, due to the reasonable determination of the architectural parameters of the low-resource convolutional neural network of the MobileNetV2 type and the recurrent neural network of the LSTM type, which makes up its structure, ensures high accuracy of recognition of scenes of political extremism both in static images and in video materials under limited computing conditions resources. A mechanism was used to adapt the input field of the neural network model to the variability of the size of graphic resources, which provides for scaling within acceptable limits of the input graphic resource and, if necessary, filling the input field with zeros. Levelling out typical noise is ensured by using advanced solutions in the method for correcting brightness, contrast and eliminating blur of local areas in images of online social networks. Neural network tools developed on the basis of the proposed method for recognizing scenes of political extremism in graphic materials of online social networks demonstrate recognition accuracy at the level of the most well-known neural network models, while ensuring a reduction in resource intensity by more than 10 times. This allows the use of less powerful equipment, increases the speed of content analysis, and also opens up prospects for the development of easily scalable recognition tools, which ultimately ensures an increase in security and a reduction in the spread of extremist content on online social networks. It is advisable to correlate the paths for further research with the introduction of the Attention mechanism into the neural network model used in the method, which will make it possible to increase the efficiency of neural network analysis of video materials.
Graphic Resource , Neural Network , Political Extremism , Recognition , Social Network
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National Technical University of Ukraine Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, Ukraine
Department of Computer Science, Faculty of Information Technology, Al al-Bayt University, Mafraq, Jordan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Kyiv National University of Construction and Architecture, Kyiv, Ukraine
Khalel Dosmukhamedov Atyrau University, Atyrau, Kazakhstan
National Aviation University, Kyiv, Ukraine
School of Computer Science, Hubei University of Technology, Wuhan, China
National Technical University of Ukraine Igor Sikorsky Kyiv Polytechnic Institute
Department of Computer Science
Al-Farabi Kazakh National University
Kyiv National University of Construction and Architecture
Khalel Dosmukhamedov Atyrau University
National Aviation University
School of Computer Science
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