12 October 2010 Disposition of camera parameters in vehicle navigation system
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To resolve the calibration of onboard camera in the vehicle navigation system based on machine vision, a respective method for disposing of intrinsic and extrinsic parameters of the camera is presented. In view of that the intrinsic parameters are basically invariable during the car's moving, they can be firstly calibrated with a planar pattern as soon as the camera is installed. The installation location of onboard camera can be real-time adjusted according to the slope and vanishing point of lane lines in the picture. Then the quantity of such extrinsic parameters as direction angle, incline angle and level translation are adjusted to zero. This respective disposing method for camera parameters is applied to lane departure detection on the structural road, with which camera calibration is simplified and the measuring error due to extrinsic parameters is decreased. The correctness and feasibility of the method is proved by theoretical calculation and practical experiment.
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Houyun Yu, Houyun Yu, Weigong Zhang, Weigong Zhang, } "Disposition of camera parameters in vehicle navigation system", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76566R (12 October 2010); doi: 10.1117/12.865996; https://doi.org/10.1117/12.865996


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