Patent ID: 11887284
Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 7:
8. The system of claim 7, wherein the determining the reference gain ratio based on the first statistic, the second statistic, the third statistic, and the fourth statistic includes;
determining a first gain ratio by determining a ratio of the first statistic to the second statistic;
determining a second gain ratio by determining a ratio of the third statistic to the fourth statistic;
determining a third gain ratio by determining an average of the first gain ratio and the second gain ratio;
determining a preliminary gain ratio based on the first exposure time and the second exposure time; and
determining the reference gain ratio based on the first gain ratio, the second gain ratio, the third gain ratio, and the preliminary gain ratio.