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

Claim 9:
10. The system of claim 1, wherein the determining the first combination weight for each of the plurality of first image blocks and the second combination weight for the corresponding second image block based on the first block weight of the first image block, the third block weight of the corresponding second image block, and the exposure gain ratio includes:
determining a first mapping weight by performing a first mapping operation based on the first block weight;
determining a second mapping weight by performing a second mapping operation based on the third block weight and the exposure gain ratio;
determining a product of the first mapping weight and the second mapping weight as the second combination weight; and
determining a difference between the fixed value and the second combination weight as the first combination weight.