Blink Number Forecasting Based on Improved Bayesian Fusion Algorithm for Fatigue Driving Detection

Wei Sun, Xiaorui Zhang, Jian Wang, Jun He and Srinivas Peeta

Mathematical Problems in Engineering, 2015, vol. 2015, 1-13

Abstract:

An improved Bayesian fusion algorithm (BFA) is proposed for forecasting the blink number in a continuous video. It assumes that, at one prediction interval, the blink number is correlated with the blink numbers of only a few previous intervals. With this assumption, the weights of the component predictors in the improved BFA are calculated according to their prediction performance only from a few intervals rather than from all intervals. Therefore, compared with the conventional BFA, the improved BFA is more sensitive to the disturbed condition of the component predictors for adjusting their weights more rapidly. To determine the most relevant intervals, the grey relation entropy-based analysis (GREBA) method is proposed, which can be used analyze the relevancy between the historical data flows of blink number and the data flow at the current interval. Three single predictors, that is, the autoregressive integrated moving average (ARIMA), radial basis function neural network (RBFNN), and Kalman filter (KF), are designed and incorporated linearly into the BFA. Experimental results demonstrate that the improved BFA obviously outperforms the conventional BFA in both accuracy and stability; also fatigue driving can be accurately warned against in advance based on the blink number forecasted by the improved BFA.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:832621

DOI: 10.1155/2015/832621

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