US 12,226,153 B2
Image signal output device and method, and image data conversion device, method, and program
Yasushi Tanabe, Fujisawa (JP); Tomoharu Fujiwara, Gyoda (JP); and Mariko Hirokawa, Yokohama (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on Jul. 19, 2023, as Appl. No. 18/223,906.
Application 18/223,906 is a continuation of application No. 16/634,481, granted, now 11,744,455, previously published as PCT/JP2018/028512, filed on Jul. 30, 2018.
Claims priority of application No. 2017-149212 (JP), filed on Aug. 1, 2017.
Prior Publication US 2023/0355089 A1, Nov. 9, 2023
Int. Cl. A61B 3/00 (2006.01); A61B 3/10 (2006.01); A61B 3/12 (2006.01); A61B 3/14 (2006.01); G06T 7/00 (2017.01)
CPC A61B 3/0025 (2013.01) [A61B 3/0058 (2013.01); A61B 3/1025 (2013.01); A61B 3/12 (2013.01); A61B 3/14 (2013.01); G06T 7/0012 (2013.01); G06T 2207/30041 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An image data conversion device, comprising:
an acquisition section configured to acquire a fundus image; and
a conversion section configured to convert image data of the acquired fundus image into virtual spherical surface image data with three-dimensional spherical surface coordinates, and to convert the converted virtual spherical surface image data into at least one of two-dimensional coordinate image data according to a conformal projection, two-dimensional coordinate image data according to an equal-area projection, or two-dimensional coordinate image data according to an equidistant projection.