Zhejiang Dahua Technology Co., Ltd.

Guangxiu Yao

Wei Fang

Yinchang Yang

Xingjian Zheng

Peng Zhu

The present disclosure relates to systems and methods for automatic exposure control. The methods may include obtaining a first frame and a second frame of a current scene from a camera, wherein a ratio of a first exposure time of the first frame to a second exposure time of the second frame is a first exposure ratio; obtaining a first average luminance of a brightest region in the second frame; obtaining a second average luminance of a darkest region in the first frame; and determining a dynamic range of the current scene based on the first exposure ratio, the first average luminance, and the second average luminance.

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Hangzhou, China

Guangxiu Yao