A One-dimensional Image Recognition Method Based on Particle Swarm Optimization and Deep Learning Feature Selection
A particle swarm optimization and deep learning technology, applied in neural learning methods, scene recognition, character and pattern recognition, etc., can solve problems such as high feature dimension, gradient dispersion, and increase in running time, so as to solve the problem of excessive feature dimension. High, reduce impact, improve the effect of recognition rate
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[0055]In order to verify the effectiveness of the proposed method, the following simulation experiments are carried out.
[0056] The training sample data and test sample data used in the experiment are all from the data of five aircraft (ah-64, an-26, b-1b, b-52, f-15) simulated by a radar aircraft target simulation software. The pitch angle of the aircraft relative to the radial direction of the radar is 0°, and the azimuth angle range: 0°-180°. Each set of aircraft data has 1800 one-dimensional images, and each one-dimensional range image has 320 range units. The working parameters of the radar are: signal bandwidth: 400MHz, center frequency: 6GHz, 1200 aircraft data are randomly selected from each group as the training set, and the remaining 600 are used as the test set.
[0057] In this experiment, two kinds of networks, deep belief network and stacked autoencoder, were compared with the feature selection method of particle swarm deep learning, and BP network was used as...
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