JP2010125291A5 - - Google Patents
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- JP2010125291A5 JP2010125291A5 JP2008306862A JP2008306862A JP2010125291A5 JP 2010125291 A5 JP2010125291 A5 JP 2010125291A5 JP 2008306862 A JP2008306862 A JP 2008306862A JP 2008306862 A JP2008306862 A JP 2008306862A JP 2010125291 A5 JP2010125291 A5 JP 2010125291A5
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- JP
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- light
- eye
- tomographic image
- examined
- cutting line
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- 238000005259 measurement Methods 0.000 claims description 8
- 230000001427 coherent Effects 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims description 4
- 230000003287 optical Effects 0.000 claims description 3
- 210000004126 Nerve Fibers Anatomy 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 2
Description
(1) 低コヒーレント長の光を発する光源と,該光源から発せられた測定光を被検眼の所定部位上で走査させる走査手段と,該光源から発せられた光によって生成される参照光と被検眼の所定部位に照射された前記測定光による反射光との合成により得られる干渉光を受光する受光素子とを有する干渉光学系を持ち,該受光素子の受光信号に基づいて被検眼の所定部位における断層画像を得る眼科撮影装置において、前記被検眼底の光切断ラインを,複数の指定点を通る曲線によって規定するための光切断ライン規定手段と、該光切断ライン規定手段により規定された前記光切断ラインに対して対応する断層画像を取得する断層画像取得手段と、を備えることを特徴とする。
(2) (1)の眼科撮影装置において、前記光切断ライン規定手段はモニタに表示された前記被検眼の眼底画像上の少なくとも3点を指定する指定手段を有するとともに,該指定手段により指定された前記指定点を通る曲線を演算により規定することを特徴とする。
(3) (1)又は(2)の眼科撮影装置において、前記光切断ライン規定手段は、前記被検眼眼底の神経線維の走行として光切断ラインを規定することを特徴とする。
(4) 低コヒーレント長の光を発する光源と,該光源から発せられた測定光を被検眼の所定部位上で走査させる走査手段と,該光源から発せられた光によって生成される参照光と被検眼の所定部位に照射された前記測定光による反射光との合成により得られる干渉光を受光する受光素子とを有する干渉光学系を持ち,該受光素子の受光信号に基づいて被検眼の所定部位における断層画像を得る眼科撮影装置において、前記走査手段の2次元走査により前記被検眼の3次元断層画像を取得するとともに、該3次元断層画像を記憶する記憶手段を持ち、該記憶手段に記憶された前記3次元断層画像に対応付けられた被検眼の正面画像をモニタに表示させる表示制御手段と、該表示制御手段によりモニタに表示された前記正面画像に対して任意の点を複数指定する指定手段と、該指定手段により指定された複数の前記指定点を繋ぎ合わせることにより得られるラインに対応する断層画像を前記3次元断層画像から得るための断層画像取得手段と、を備えることを特徴とする。
(1) A light source that emits light of low coherent length, scanning means for scanning measurement light emitted from the light source on a predetermined part of the eye to be examined, reference light generated by the light emitted from the light source, A predetermined part of the eye to be inspected based on a light reception signal of the light receiving element, and a light receiving element that receives interference light obtained by combining with the reflected light of the measurement light irradiated on the predetermined part of the optometric eye In the ophthalmologic photographing apparatus for obtaining a tomographic image in the above, the light cutting line defining means for defining the light cutting line of the fundus to be examined by a curve passing through a plurality of designated points, and the light cutting line defining means defined by the light cutting line defining means And a tomographic image acquisition means for acquiring a tomographic image corresponding to the optical cutting line.
(2) In the ophthalmologic photographing apparatus according to (1), the light cutting line defining means has designation means for designating at least three points on the fundus image of the eye to be examined displayed on the monitor, and is designated by the designation means. A curve passing through the designated point is defined by calculation.
(3) In the ophthalmologic photographing apparatus according to (1) or (2), the light cutting line defining means defines a light cutting line as a travel of nerve fibers in the fundus of the eye to be examined.
(4) A light source that emits light of a low coherent length, scanning means that scans a measurement light emitted from the light source on a predetermined part of the eye to be examined, reference light generated by the light emitted from the light source, A predetermined part of the eye to be inspected based on a light reception signal of the light receiving element, and a light receiving element that receives interference light obtained by combining with the reflected light of the measurement light irradiated on the predetermined part of the optometric eye In the ophthalmologic photographing apparatus for obtaining the tomographic image in FIG. 1, the three-dimensional tomographic image of the eye to be examined is acquired by two-dimensional scanning of the scanning unit, and the storage unit stores the three-dimensional tomographic image. Display control means for displaying on the monitor a front image of the eye to be examined associated with the three-dimensional tomographic image, and arbitrary points with respect to the front image displayed on the monitor by the display control means And a tomographic image obtaining unit for obtaining from the three-dimensional tomographic image a tomographic image corresponding to a line obtained by connecting a plurality of the designated points designated by the designation unit. It is characterized by providing.
Claims (4)
前記被検眼底の光切断ラインを,複数の指定点を通る曲線によって規定するための光切断ライン規定手段と、
該光切断ライン規定手段により規定された前記光切断ラインに対して対応する断層画像を取得する断層画像取得手段と、
を備えることを特徴とする眼科撮影装置。 A light source that emits light of a low coherent length, scanning means for scanning measurement light emitted from the light source over a predetermined region of the eye to be examined, reference light generated by the light emitted from the light source, and predetermined light of the eye to be examined A tomographic image of a predetermined region of the subject's eye based on a light reception signal of the light receiving element, and a light receiving element that receives interference light obtained by combining with the reflected light of the measurement light irradiated on the region In an ophthalmic imaging device that obtains
A light cutting line defining means for defining the light cutting line of the fundus to be examined by a curve passing through a plurality of designated points;
A tomographic image acquisition means for acquiring a tomographic image corresponding to the optical cutting line defined by the optical cutting line defining means;
An ophthalmologic photographing apparatus comprising:
前記走査手段の2次元走査により前記被検眼の3次元断層画像を取得するとともに、該3次元断層画像を記憶する記憶手段を持ち、該記憶手段に記憶された前記3次元断層画像に対応付けられた被検眼の正面画像をモニタに表示させる表示制御手段と、
該表示制御手段によりモニタに表示された前記正面画像に対して任意の点を複数指定する指定手段と、
該指定手段により指定された複数の前記指定点を繋ぎ合わせることにより得られるラインに対応する断層画像を前記3次元断層画像から得るための断層画像取得手段と、
を備えることを特徴とする眼科撮影装置。 A light source that emits light of a low coherent length, scanning means for scanning measurement light emitted from the light source over a predetermined region of the eye to be examined, reference light generated by the light emitted from the light source, and predetermined light of the eye to be examined A tomographic image of a predetermined region of the subject's eye based on a light reception signal of the light receiving element, and a light receiving element that receives interference light obtained by combining with the reflected light of the measurement light irradiated on the region In an ophthalmic imaging device that obtains
A three-dimensional tomographic image of the eye to be examined is acquired by two-dimensional scanning of the scanning unit, and has a storage unit for storing the three-dimensional tomographic image, and is associated with the three-dimensional tomographic image stored in the storage unit. Display control means for displaying a front image of the subject eye on the monitor;
Designation means for designating a plurality of arbitrary points for the front image displayed on the monitor by the display control means;
A tomographic image acquisition means for obtaining from the three-dimensional tomographic image a tomographic image corresponding to a line obtained by connecting a plurality of the designated points designated by the designation means;
An ophthalmologic photographing apparatus comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008306862A JP2010125291A (en) | 2008-12-01 | 2008-12-01 | Ophthalmological photographic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008306862A JP2010125291A (en) | 2008-12-01 | 2008-12-01 | Ophthalmological photographic apparatus |
Publications (2)
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JP2010125291A JP2010125291A (en) | 2010-06-10 |
JP2010125291A5 true JP2010125291A5 (en) | 2012-01-19 |
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JP2008306862A Pending JP2010125291A (en) | 2008-12-01 | 2008-12-01 | Ophthalmological photographic apparatus |
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Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5610884B2 (en) | 2010-07-09 | 2014-10-22 | キヤノン株式会社 | Optical tomographic imaging apparatus and optical tomographic imaging method |
JP5807371B2 (en) * | 2011-04-21 | 2015-11-10 | 株式会社ニデック | Ophthalmic imaging equipment |
JP5936368B2 (en) | 2012-01-20 | 2016-06-22 | キヤノン株式会社 | Optical coherence tomography apparatus and method for operating the same |
JP2013146447A (en) * | 2012-01-20 | 2013-08-01 | Canon Inc | Imaging apparatus, image processing method, and program |
JP5988772B2 (en) | 2012-01-20 | 2016-09-07 | キヤノン株式会社 | Image processing apparatus and image processing method |
US8995737B2 (en) * | 2012-01-20 | 2015-03-31 | Canon Kabushiki Kaisha | Image processing apparatus and image processing method |
JP6146951B2 (en) | 2012-01-20 | 2017-06-14 | キヤノン株式会社 | Image processing apparatus, image processing method, photographing apparatus, and photographing method |
JP6039185B2 (en) * | 2012-01-20 | 2016-12-07 | キヤノン株式会社 | Imaging device |
JP2013148509A (en) | 2012-01-20 | 2013-08-01 | Canon Inc | Image processing device and image processing method |
JP6505072B2 (en) * | 2012-01-20 | 2019-04-24 | キヤノン株式会社 | Image processing apparatus and image processing method |
JP6061554B2 (en) | 2012-01-20 | 2017-01-18 | キヤノン株式会社 | Image processing apparatus and image processing method |
JP5374598B2 (en) | 2012-01-26 | 2013-12-25 | キヤノン株式会社 | Optical tomography system |
JP5924955B2 (en) | 2012-01-27 | 2016-05-25 | キヤノン株式会社 | Image processing apparatus, image processing apparatus control method, ophthalmic apparatus, and program |
JP6071331B2 (en) * | 2012-08-27 | 2017-02-01 | キヤノン株式会社 | Image processing apparatus and image processing method |
JP6685706B2 (en) * | 2015-01-07 | 2020-04-22 | キヤノン株式会社 | Image processing apparatus and image processing method |
JP6598466B2 (en) * | 2015-01-30 | 2019-10-30 | キヤノン株式会社 | Tomographic imaging apparatus, tomographic imaging method, and program |
JP6758826B2 (en) * | 2015-12-03 | 2020-09-23 | キヤノン株式会社 | Image processing device and image processing method |
JP6498162B2 (en) * | 2016-08-24 | 2019-04-10 | キヤノン株式会社 | Optical tomography system |
JP6381622B2 (en) * | 2016-12-27 | 2018-08-29 | キヤノン株式会社 | Image processing apparatus and image processing method |
JP2018083106A (en) * | 2018-01-24 | 2018-05-31 | 株式会社ニデック | Ophthalmology imaging apparatus and imaging control program |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005095454A (en) * | 2003-09-26 | 2005-04-14 | Canon Inc | Ophthalmologic photographing device |
JP4971872B2 (en) * | 2007-05-23 | 2012-07-11 | 株式会社トプコン | Fundus observation apparatus and program for controlling the same |
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