US 12,274,502 B2
Image processing method, program, image processing device, and ophthalmic system
Yasushi Tanabe, Fujisawa (JP); and Mariko Hirokawa, Yokohama (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on Oct. 15, 2020, as Appl. No. 17/071,583.
Application 17/071,583 is a continuation of application No. PCT/JP2019/016652, filed on Apr. 18, 2019.
Claims priority of application No. 2018-080273 (JP), filed on Apr. 18, 2018.
Prior Publication US 2021/0022606 A1, Jan. 28, 2021
Int. Cl. A61B 3/12 (2006.01); A61B 3/00 (2006.01); A61B 3/14 (2006.01); G06T 7/00 (2017.01)
CPC A61B 3/1241 (2013.01) [A61B 3/0025 (2013.01); A61B 3/14 (2013.01); G06T 7/0012 (2013.01); G06T 2207/30041 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An image processing method comprising:
analyzing a fundus image to find a direction of a choroidal blood vessel; and
detecting a position of a vortex vein based on the direction of the choroidal blood vessel.