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Driver fatigue is a chief cause of the traffic accidents. The key technologies for detecting driver fatigue are the real-time and effectively detecting and tracking of driver's eyes. This paper studies the eye-tracking methods by the images of the driver's face based on video cameras. Firstly, a Haar cascade classifier for the face is designed on the(More)
This paper is a survey on the optical fiber communication and optical networks. First, we show a historical perspective of optical fiber communication and the progress of optical networks. In addition, we give a rough classification of optical networks. Due to the development of optical fiber communication, the key technologies, such as photoelectron(More)
To classify and identify the component of abandoned shells, a design method of using ultrasonic to detect artillery shells’ internal component based on data fusion method is presented. Firstly, ultrasonic detector is used to collect the sample data of internal component of a large number of artillery shells.Secondly, using data fusion techniques to(More)
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