Intelligent recognition device and method for fatigue state of driver

The invention relates to intelligent recognition device and method for the fatigue state of a driver in the technical field of control in automobile engineering. The device comprises a pinhole camera, a signal processor, an automobile speed control mechanism and a voice player, wherein the output interface of the pinhole camera is connected with the image input interface of the signal processor through a video cable, and the output interface of the signal processor is respectively connected with the digital input interfaces of the automobile speed control mechanism and the voice player. The method comprises the following steps of: 1. learning a training sample by a system; and 2. online recognizing the fatigue state of the driver, wherein the step 1 comprises the steps of driver fatigue-state face image acquisition and color space conversion, human face central position and eye area determination, training sample characteristic value and characteristic vector computation and the like; and the step 2 comprises the steps of driver face image real-time acquisition and color space conversion, automatic determination of driver face central positions and eye areas, tracking for the driver eye areas, testing sample characteristic vector computation, driver fatigue-state recognition, vehicle control decision-making and the like. The invention ensures that the driving state of the driver can be accurately recognized in the driving process of vehicles, and the fatigue driving of the driver is prevented, so that traffic accidents caused by the fatigue of the driver can be effectively avoided.