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Neural network construction system, method and storage medium of variable-length gene genetic algorithm

A neural network and genetic algorithm technology, applied in genetic laws, genetic models, etc., can solve problems such as few data sets, deviations of neural network architecture models, and hinder the rapid application of deep learning methods, and achieve the effect of reducing dependence.

Active Publication Date: 2021-08-31
SICHUAN UNIV
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Problems solved by technology

Therefore, the selection and setting of hyperparameters is a very complex and time-consuming task, which hinders the rapid application of deep learning methods
[0005] Second, there are few publicly available COVID-19 datasets
The neural network architecture designed based on these data sets will bring model bias, resulting in inaccurate application to other data sets

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  • Neural network construction system, method and storage medium of variable-length gene genetic algorithm

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Embodiment Construction

[0040] DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below to understand the present invention, but it should be understood, and the present invention is not limited to the scope of the specific embodiments, and in terms of ordinary skill in the art, as long as various changes Within the spirit and scope of the invention appended claims, it is apparent from the spirit and scope of the appended claims, and all inventions of the inventive concepts are all protected.

[0041] like figure 1 , The present embodiment provides the neural network based on variable-length GA gene construct system comprising a training set generation module sequentially connected, network initialization module, network training module, the network updating module, network optimization module, a network selection module, updating the number of iterations module and network generating module.

[0042] Wherein the means for generating a training set of normal and collecting COVI...

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Abstract

The invention discloses a neural network construction system and method based on a variable-length genetic algorithm, wherein the construction system includes a sequentially connected training set generation module, a network initialization module, a network training module, a network update module, a network optimization module, Network selection module, iteration number update module and network generation module. The general idea of ​​the construction method of this scheme is to generate variable-length chromosomes in the initialization step, and randomly add BN components to specific genes of each chromosome. Through the training on the training set, the neural network structure representation corresponding to each chromosome is obtained through training, and the offspring chromosomes are selected. Subsequently, in the crossover step, the length of the crossed chromosomes is not fixed, and a growth and shrinking strategy is used to generate daughter chromosomes. Then use the traditional mutation and environment selection operations to complete the selection of offspring chromosomes, repeat the above, and decode the obtained best chromosomes into the corresponding neural network architecture.

Description

Technical field [0001] The present invention relates to a network structure of the search field of computer technology in depth study, in particular, to a construction system, method and storage medium based on neural networks becomes long genetic algorithm. Background technique [0002] With the development of deep learning, convolutional neural network (CNN) is widely used in computer vision tasks. Compared with the standard neural network, CNN CNN features sharing mechanism to help reduce the need to learn the right weight and the number of variables, which reduces network complexity, improve the image generalization. Thanks to medical data and engineering experts and well-designed the great efforts of CNN, for automatically analyzing CT images and to predict whether positive COVID-19 has made significant progress in reducing the burden of medical professional analysis of CT images. [0003] Although deep learning technology has been well developed, but to apply it COVID-19 in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06N3/12
CPCG06N3/126
Inventor 孙亚楠龚运鸿彭德中胡鹏王旭
Owner SICHUAN UNIV
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