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

Claim 1:
2. The system of claim 1, wherein the determining the first block weight for each of the plurality of first image blocks based on the edge information of the first image block includes:
determining at least one edge pixel group, the edge pixel group including a corner pixel of the first image block and pixels of the first image block adjacent to the corner pixel;
for each of the at least one edge pixel group, determining a sum of pixel values of the pixels in the edge pixel group;
determining a maximum among the sums of pixel values of the at east one edge pixel group; and
determining the first block weight based on the maximum and one or more center pixels of the first image block.