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飞行器下方白色背景有一红色光源，飞行器需要跟着红色光源飞，起飞前红色光源在飞行器身下，起飞后由于光线不同，红色光源的阈值不同，无法识别，怎么解决？谢谢大佬们。
http://book.openmv.cc/example/21-Sensor-Control/sensor_exposure_control.html
可以手动调节曝光。