The invention provides an image parameter adjusting method which is applied to a vehicle provided with electronic rearview mirrors, the electronic rearview mirrors comprise a reference rearview mirror and an adjusting rearview mirror, and the image parameter adjusting method comprises the steps that rearview mirror images collected by the reference rearview mirror and the adjusting rearview mirror are obtained respectively to obtain a reference image and an adjusting image; according to the reference image and the adjusted image, calculating the ratio of the brightness values of the reference image and the adjusted image to obtain a brightness difference, and calculating the white balance gain of the reference image; calculating a correction exposure gain of the adjusted image according to the brightness difference, and adjusting a current exposure gain of the adjusted image to an ideal exposure gain according to the correction exposure gain; and calculating a corrected white balance gain of the adjusted image according to the white balance gain, and adjusting the current white balance gain of the adjusted image to an ideal white balance gain according to the corrected white balance gain. In addition, the invention further provides a vehicle.
本申请提供了一种图像参数的调整方法,应用于设有电子后视镜的车辆,电子后视镜包括基准后视镜和调整后视镜,图像参数的调整方法包括:分别获取基准后视镜和调整后视镜采集到的后视镜图像得到基准图像和调整图像;根据基准图像和调整图像,计算基准图像和调整图像的亮度值的比值得到亮度差、及计算基准图像的白平衡增益;根据亮度差,计算调整图像的校正曝光增益,并根据校正曝光增益将调整图像的当前曝光增益调整至理想曝光增益;根据白平衡增益,计算调整图像的校正白平衡增益,并根据校正白平衡增益将调整图像的当前白平衡增益调整至理想白平衡增益。此外,本申请还提供了一种车辆。
Image parameter adjusting method and vehicle
图像参数的调整方法及车辆
2024-04-19
Patent
Electronic Resource
Chinese
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