title: Ð¡Ð¸Ð½ÑÐµÐ· Ð¸ÑÐºÑÑÑÑÐ²ÐµÐ½Ð½ÑÑ ÑÐ°Ð´Ð¸Ð¾Ð»Ð¾ÐºÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¸Ð·Ð¾Ð±ÑÐ°Ð¶ÐµÐ½Ð¸Ð¹
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Synthesis of artificial radar images
Creators: name: Ð§ÐµÐºÐ¼Ð°ÑÐµÐ²Ð°, Ð¡Ð¾ÑÑÑ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÑÐ°Ð´Ð¸Ð¾Ð»Ð¾ÐºÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð¸Ð·Ð¾Ð±ÑÐ°Ð¶ÐµÐ½Ð¸Ñ
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ÑÐ²ÐµÑÑÐ¾ÑÐ½Ð°Ñ Ð½ÐµÐ¹ÑÐ¾Ð½Ð½Ð°Ñ ÑÐµÑÑ
radar images
synthesis
synthetic aperture radar
classical methods
neural network methods
multiplicative noise
Rayleigh distribution
speckle noise
Gram matrix
generative adversarial network
convolutional neural network

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description: This work is devoted to the review of the existing algorithms of radar images modeling, their comparison and application for further use in other areas. The subject of the study is the synthesis of radar images. During the review of classical methods, as well as methods based on deep learning, it was concluded that three methods are most suitable for synthesis: the classical method of synthesis of spatially uncorrelated and correlated speckle, the Gram matrix and the generative-adversarial network, since these methods are easy to implement and have the greatest chances of a successful result. The first method involves the synthesis of speckle with the necessary distribution, the second â the transfer of the style of one image to another using Gram matrices, the third â uses a neural network that was trained on a data set of 3000 images to generate new images. All the methods were implemented in the MATLAB environment. The output images were evaluated using histograms, and the distribution functions were ana-lyzed using the Kolmogorov-Smirnov and chi-square criteria for three levels of significance.: "0,01", "0,05", "0,1". Based on the obtained assessment, using the above criteria, a conclusion was made about the effectiveness of the implemented method for the task. The methods that satisfy the conditions were the classical method of speckle synthesis, as well as the Gram matrix using correlated speckle.