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Fatigue Driving is one of the main factors causing serious traffic accidents and the study of fatigue driving can contribute greatly to avoiding road accidents. Therefore, many researchers are making a great effort on how to detect driver fatigue both at home and abroad. This paper presents a new method to identify driver fatigue. The driving behavior signals, such as gas pedal, steering wheel angle, brake pedals and so on, and PERCLOS are measured and facial video are stored at the same time. PERCLOS and facial video are used as reference, so the feature vectors of the normal state and fatigue state data can be extracted. The driving behavior data is analyzed at normal driving state and fatigued ones. The Distance Classifier is used to classify driving behavior signal. Improved results were achieved by using the weighted minimum distance classifier in comparison to the normalized Euclidian Distance classifier. Results show that data of steering wheel angle and distance to center of lane can be used as data source to identify the driving state. The experimental results also verify that the proposed method is valid. © 2010 ASCE.
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