Patent ID: 11933884
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. A radar image processing method comprising:
determining a search range based on a reference block and a layover direction, the reference block being set as an area of interest in a radar image generated from data obtained by an imaging radar, the layover direction being a direction in which layover occurs in the radar image and being estimated from an incident direction of an electromagnetic wave used for observation by the imaging radar;
extracting a similar block that is similar to the reference block and included in the search range by searching the search range; and
performing filtering processing for reducing speckles generated in the radar image by using the reference block and the extracted similar block,
wherein
a range defined by a figure having a length in the layover direction longer than a length in a direction perpendicular to the layover direction is determined as the search range.