Article

Article title INVESTIGATION OF CONVOLUTION NEURAL NETWORK WHICH WAS TRAINED BY THE METHOD OF USE OF NON-STANDARD RECEPTIVE FIELDS IN THE PROCESS OF IMAGE RECOGNITION
Authors R.M. Nemkov
Section SECTION II. COMPUTER ENGINEERING AND COMPUTER SCIENCE
Month, Year 07, 2015 @en
Index UDC 004.852
DOI
Abstract In this article we describe the method of synthesis of mathematical model parameters of convolution neural network (CNN), which differs from the known fact that for to improve the generalization capability of the network, training set is generated by adding a distorted image by changing the receptive fields of the CNN. As a result, the same pattern is seen with the network differently. Considerable attention is paid to the analysis of the results of experiments on the recognition of objects in vision systems "Mechatronics" stand and the investigation of robustness of convolution neural network to the noise. An adaptation of backpropagation algorithm to CNN with receptive fields of non-standard form is details described. It is shown that the use of non-standard forms of receptive fields allows you to distort the input patterns and thereby expand the training set, increasing the generalizing of the network. The practical testing of the proposed method of parameters synthesis of the CNN model was conducted on technical platform of "Mechatronics" stand (manufacturer SPA "Android technics", Russia). Convolution neural network trained using the extended sampling for recognition 10 object classes was integrated in the vision system of this stand. The structure of convolutional neural network was described in this article. This network has two types of layers: convolutional and subsabmping layers. Given the importance of the robustness of the vision system to noises, experiments were conducted with white noise. The results of an experimental study of CNN which was trained proposed method and without it were described in this article. The boundaries of the permissible noise level which does not affect the quality of recognition was set.

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Keywords Convolutional neural networks; pattern recognition; receptive fields; training set; white noise.
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