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- W1970643209 abstract "With wavelet function introduced to improve least square support vector machine kernel function and the wavelet least square support vector machine (WLSSVM) improved using particle swarm optimization (PSO), PSO-WLSSVM for traffic flow prediction is proposed. PSO-WLSSVM inherits good time and frequency domain distinguishing ability from wavelet transform, and the nonlinear learning performance from LSSVM; PSO is used to conduct global optimum search of super parameters so that the blindness of human selection could be avoid. Thus the accuracy of model predictions is improved. The simulation result shows that the forecasted traffic flow of PSO-WLSSVM are in good agreement with the measured value, and the forecasting precision of PSO-WLSSVM than the traditional LSSVM, thus indicating that the PSO-WLSSVM is feasible and precise and can be well applied to the forecast of traffic flow." @default.
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- W1970643209 date "2013-09-01" @default.
- W1970643209 modified "2023-10-16" @default.
- W1970643209 title "Study and Application of Traffic Flow Forecast Based on PSO-WLSSVM" @default.
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- W1970643209 doi "https://doi.org/10.4028/www.scientific.net/amr.779-780.453" @default.
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