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Method for grey correlation analysis method to determine number of hidden layer characteristic graphs of convolutional neural network

A convolutional neural network and gray correlation technology, applied in the field of gray correlation analysis method to determine the number of hidden layer feature maps in the convolutional neural network network structure, can solve the problem of less design research on the number of hidden layer feature maps, CNN There are few discussions on the setting of network structure parameters, etc.

Active Publication Date: 2016-04-27
沈阳沙果科技有限公司
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Problems solved by technology

[0003] At present, researchers have used CNN for traffic sign recognition and achieved good results, but there are few discussions on the setting of CNN network structure parameters, especially the design research on the number of hidden layer feature maps in the network structure. few

Method used

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  • Method for grey correlation analysis method to determine number of hidden layer characteristic graphs of convolutional neural network
  • Method for grey correlation analysis method to determine number of hidden layer characteristic graphs of convolutional neural network
  • Method for grey correlation analysis method to determine number of hidden layer characteristic graphs of convolutional neural network

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Embodiment

[0112] Embodiment: With reference to files 1 to 3, tables 1 to 5, a method for determining the number of hidden layer feature maps of a convolutional neural network using the gray relational analysis method, the steps are as follows:

[0113] (1) Download the standard traffic sign images collected by the German Institute of Neural Computing, and select 10 categories with more images, as shown in file 1.

[0114] (2) Convert the color image of file 1 into a grayscale image, perform histogram equalization processing on the traffic sign image, normalize it to a size of 28*28, and establish a grayscale image database of traffic signs, as shown in file 2.

[0115] (3) Then all images are binarized, and a binary image library of traffic signs is established, as shown in file 3.

[0116] (4) Set the number of layers of the network structure of the convolutional neural network and other related parameters: the size of the convolution kernel is 5*5; the number of layers of the convolut...

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Abstract

The invention relates to a method for a grey correlation analysis method to determine the number of hidden layer characteristic graphs of a convolutional neural network, comprising steps of taking a binary image of a traffic sign as an image database, using the convolutional neural network method to perform identification, introducing a gray correlation analysis method in a network training process in order to automatically choose a hidden layer characteristic image which has a greatest impact on the identification result so as to optimize a network structure, taking the traffic sign as an object to perform identification and performing optimization on the CNN network structure. The experiment shows that the number of the characteristic image can be adaptively determined by using the method and the optimization of the CNN network structure can be finished. Compared with the experiment method, the invention can improve and determine the efficiency of the network.

Description

Technical field: [0001] The invention relates to a method for determining the number of hidden layer feature maps in a convolutional neural network network structure, in particular to a gray correlation analysis method for determining the number of hidden layer feature maps in a convolutional neural network network structure. Background technique: [0002] Convolutional neural network is a kind of artificial neural network. It is a new type of neural network based on multi-layer supervised learning network. It has become a hot spot in the fields of speech analysis and image recognition. Due to its weight sharing feature, it reduces the complexity of the network model and reduces the number of weights. And the convolutional neural network integrates the feature extraction function into the classifier, omitting the complex feature extraction process before recognition, so it is widely used in image recognition, object detection and recognition, and target tracking. [0003] A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/08G06K9/00
CPCG06N3/08G06N3/082G06N3/084G06V20/582
Inventor 张志佳李媛媛唐岩钟玲于雅洁
Owner 沈阳沙果科技有限公司
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