Patent ID: 11875520
Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method of claim 5, wherein:
the third matrix includes a plurality of third elements corresponding to the plurality of second pixels; and
the determining the featuring region based at least in part on the third matrix includes:
for each of the plurality of second pixels:
determining whether a pixel value of the second pixel satisfies a first predetermined condition;
determining whether a value of the corresponding third element satisfies a second predetermined condition;
upon a determination that both the first predetermined condition and the second predetermined condition are satisfied, determining that the second pixel is included in the featuring region; and
upon a determination that at least one of the first predetermined condition or the second predetermined condition is not satisfied, determining that the second pixel is not included in the featuring region.