公开(公告)号：US20210030267A1

公开(公告)日：2021-02-04

申请号：US17072371

申请日：2020-10-16

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA ,  Yasushi TANABE

IPC分类号： A61B3/00 ,  G06T7/00 ,  G06T7/33 ,  G06T7/60 ,  G06T11/00 ,  A61B3/12

摘要： An image is created to visualize the efficacy of treatment to a fundus.
An image processing method includes extracting a first frame from a first moving image of an examined eye and extracting a second frame from a second moving image of the examined eye, and comparing the first frame against the second frame.

公开(公告)号：US20210004939A1

公开(公告)日：2021-01-07

申请号：US17025575

申请日：2020-09-18

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA

IPC分类号： G06T5/00 ,  G06T7/00 ,  G06T7/70 ,  A61B3/12 ,  A61B3/14

摘要： An image processing method comprising acquiring a first fundus image obtained by photographing a fundus using first light having a first wavelength, and a second fundus image obtained by photographing the fundus using second light having a second wavelength that is shorter than the first wavelength; specifying, in the first fundus image, respective positions of retinal blood vessels appearing in the second fundus image; and generating a choroidal blood vessel image by processing the positions identified in the first fundus image.

公开(公告)号：US20230010672A1

公开(公告)日：2023-01-12

申请号：US17782093

申请日：2020-11-12

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA

IPC分类号： G06T7/73 ,  G06T7/00 ,  A61B3/12

摘要： An image processing method performed by a processor and including detecting positions of plural vortex veins in a fundus image of an examined eye, and computing a center of distribution of the plural detected vortex vein positions.

公开(公告)号：US20230000337A1

公开(公告)日：2023-01-05

申请号：US17770878

申请日：2019-10-25

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA ,  Yasushi TANABE

IPC分类号： A61B3/00 ,  A61B3/10 ,  A61B3/15

摘要： Image processing performed by a processor and including acquiring a two-dimensional fundus image, acquiring a second point on an eyeball model corresponding to at least one first point of the two-dimensional fundus image, and creating data to represent a process to move the first point to the second point.

公开(公告)号：US20220076412A1

公开(公告)日：2022-03-10

申请号：US17417970

申请日：2018-12-28

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA ,  Yasushi TANABE

IPC分类号： G06T7/00 ,  G06T7/11 ,  G06T11/60 ,  A61B3/00 ,  A61B3/12 ,  A61B3/10

摘要： A non perfusion area is detected from a fundus image. A fundus image is acquired, a first non perfusion area in a first region of the fundus is extracted from the fundus image, and a second non perfusion area in a second region of the fundus is extracted from the fundus image.

公开(公告)号：US20240090850A1

公开(公告)日：2024-03-21

申请号：US18523655

申请日：2023-11-29

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA

IPC分类号： A61B5/00 ,  A61B3/00 ,  G06T7/00

CPC分类号： A61B5/7425 ,  A61B3/0025 ,  A61B5/004 ,  A61B5/0073 ,  G06T7/0014 ,  G06T2207/10101 ,  G06T2207/30041

摘要： An image display method executed by a processor comprises displaying a screen including a two-dimensional fundus image of an examined eye and a three-dimensional eyeball image of the examined eye, finding a second region in the three-dimensional eyeball image that corresponds to a first region specified in the two-dimensional fundus image, and displaying a mark indicating the second region in the three-dimensional eyeball image.

公开(公告)号：US20230355089A1

公开(公告)日：2023-11-09

申请号：US18223906

申请日：2023-07-19

申请人： NIKON CORPORATION

发明人： Yasushi TANABE ,  Tomoharu FUJIWARA ,  Mariko HIROKAWA

IPC分类号： A61B3/00 ,  A61B3/10 ,  A61B3/12 ,  A61B3/14 ,  G06T7/00

CPC分类号： A61B3/0025 ,  A61B3/0058 ,  A61B3/1025 ,  A61B3/12 ,  A61B3/14 ,  G06T7/0012 ,  G06T2207/30041

摘要： An image signal output device including an acquisition section configured to acquire a fundus image, a selection section configured to select a projection for displaying the acquired fundus image from plural projections, a conversion section configured to convert the fundus image into the selected projection, and a processing section configured to output an image signal of the converted fundus image.

公开(公告)号：US20230237684A1

公开(公告)日：2023-07-27

申请号：US17919037

申请日：2021-03-08

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA ,  Yasushi TANABE ,  Takahiko YOSHIDA

IPC分类号： G06T7/62 ,  G06T7/00 ,  G06V40/18 ,  G06T7/66 ,  G06V40/14 ,  A61B3/10

CPC分类号： G06T7/62 ,  G06T7/0014 ,  G06V40/193 ,  G06T7/66 ,  G06V40/14 ,  A61B3/102 ,  G06T2207/30101 ,  G06T2207/30041 ,  G06T2207/10101

摘要： An image processing method performed by a processor and including: a step of acquiring a choroidal vascular image; a step of detecting a vortex vein position from the choroidal vascular image; a step of identifying a choroidal vessel related to the vortex vein position; and a step of finding a size of the choroidal vessel.

公开(公告)号：US20210127970A1

公开(公告)日：2021-05-06

申请号：US16669109

申请日：2019-10-30

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA ,  Yasushi TANABE ,  Tomoharu FUJIWARA

IPC分类号： A61B3/12 ,  A61B3/00 ,  A61B3/10

摘要： An image processing method, which is executed by a processor, comprises acquiring choroid information from an image of a fundus of an examined eye, and comparing the choroid information against a choroid normative database and determining whether or not there is an abnormality in the fundus.

公开(公告)号：US20210027467A1

公开(公告)日：2021-01-28

申请号：US17071495

申请日：2020-10-15

申请人： NIKON CORPORATION

发明人： Mariko HIROKAWA

IPC分类号： G06T7/00 ,  G06K9/62 ,  G06K9/00 ,  G06K9/46

摘要： An image processing method is provided. The image processing method includes: setting a first analysis point and a second analysis point on a fundus image so as to be symmetrical about a reference line; finding a first blood vessel running direction at the first analysis point and finding a second blood vessel running direction at the second analysis point; and comparing the first blood vessel running direction against the second blood vessel running direction.