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    • 10. 发明申请
    • Visibility condition determining device for vehicle
    • 车辆可见度条件决定装置
    • US20080007429A1
    • 2008-01-10
    • US11820224
    • 2007-06-18
    • Naoki KawasakiTakayuki MiyaharaYukimasa Tamatsu
    • Naoki KawasakiTakayuki MiyaharaYukimasa Tamatsu
    • G08G1/00
    • G01J1/4228B60W40/08G01N21/538G08G1/167
    • A visibility condition determining device for a vehicle has a lighting device, an in-vehicle camera and an image processing unit. The lighting device is mounted on the vehicle and irradiates an outside of the vehicle with its light beam. The in-vehicle camera picks up an image including a transmission space through which the beam irradiated from the lighting device is transmitted in an imaging area, and including a non-irradiated area that is not directly irradiated with the beam in a background of the transmission space in the image. The image processing unit determines a visibility condition outside of the vehicle based on a brightness of the non-irradiated area in the image which is picked up by the in-vehicle camera when the lighting device irradiates outside of the vehicle.
    • 一种用于车辆的可见度条件确定装置,具有照明装置,车载照相机和图像处理单元。 照明装置安装在车辆上并用其光束照射车辆的外部。 车载摄像机拍摄包括发射空间的图像,通过该透射空间将照明装置照射的光束在成像区域中透射,并且包括在透射背景中不直接照射光束的未照射区域 图像中的空间。 图像处理单元基于当照明装置照射到车辆外部时由车载摄像机拾取的图像中的未照射区域的亮度来确定车辆外部的可见度条件。