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- W4387089074 abstract "Back propagation(BP) neural network has strong nonlinear mapping ability and can handle nonlinear classification and prediction problems well, but BP neural network converges slowly and easily falls into local minima, which affects the prediction accuracy. In order to improve the prediction accuracy, this paper took BP neural network as the research object, reduced the dimensionality of the data by Principal Component Analysis(PCA), and optimized the BP neural network using Genetic Algorithm(GA), in which, the roulette selection method is used to select the individuals with better adaptability when performing the selection operation, so as to establish a PCA-GA-BP neural network prediction model and compare with a single BP neural network model. The experimental results has shown that the accuracy of the optimized PCA-GA-BP neural network model has been improved by 9.8066 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>%</sup> , which has provided a constructive basis for the application and improvement of BP neural networks." @default.
- W4387089074 created "2023-09-28" @default.
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- W4387089074 date "2023-08-11" @default.
- W4387089074 modified "2023-09-28" @default.
- W4387089074 title "Application Research Based on PCA-GA-BP Neural Network Model" @default.
- W4387089074 doi "https://doi.org/10.1109/icipca59209.2023.10257926" @default.
- W4387089074 hasPublicationYear "2023" @default.
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