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11. 发明授权

US09211062B2 Optical coherence tomographic imaging apparatus and method for controlling the same 有权
标题翻译：光学相干断层成像装置及其控制方法
公开(公告)号：US09211062B2
公开(公告)日：2015-12-15
申请号：US14161498
申请日：2014-01-22
申请人： CANON KABUSHIKI KAISHA
发明人： Wataru Sakagawa , Yukio Sakagawa , Shigeaki Ono , Hiroki Uchida
IPC分类号： A61B3/14 , A61B3/10 , A61B3/00 , A61B3/113 , A61B3/12 , A61B3/15
CPC分类号： A61B3/102 , A61B3/0025 , A61B3/113 , A61B3/12 , A61B3/1225 , A61B3/152
摘要： An optical coherence tomographic imaging apparatus includes a movement amount acquisition unit configured to acquire the amount of subject's eye movement based on a plurality of images of the subject's eye acquired at different times, a determination unit configured to determine whether the amount of subject's eye movement before a scan by the scanning unit exceeds a threshold value, and a control unit configured to, in a case the amount of subject's eye movement before the scan is equal to or smaller than the threshold value, control the scanning unit to perform scanning position correction between a scan and the next scan based on the amount of movement.
摘要翻译：一种光学相干断层图像摄影装置，包括：移动量获取单元，被配置为基于在不同时间获取的被摄体眼睛的多个图像来获取被检者的眼睛移动量;判定单元，被配置为确定被检者的眼睛移动量是否在由扫描单元进行的扫描超过阈值，并且控制单元被配置为在扫描之前的被摄体的眼睛移动量等于或小于阈值的情况下，控制扫描单元执行扫描单元之间的扫描位置校正，扫描和基于移动量的下一次扫描。

12. 发明申请

US20150297077A1 OPHTHALMOLOGIC APPARATUS AND CONTROL METHOD THEREOF 有权
标题翻译：眼科设备及其控制方法
公开(公告)号：US20150297077A1
公开(公告)日：2015-10-22
申请号：US14681461
申请日：2015-04-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yuki Shimozato , Wataru Sakagawa , Toshifumi Masaki , Yukio Sakagawa
IPC分类号： A61B3/14 , A61B3/12 , H04N5/04 , A61B3/10
CPC分类号： A61B3/14 , A61B3/102 , A61B3/1225
摘要： The present invention reduces a positional displacement of an acquired image attributable to a delay from the issuance of a drive instruction to a scanner to the scanner actually reaching an instructed drive position. An ophthalmologic apparatus has a light scanning unit which scans measuring light on an eve to be examined, an acquisition unit which receives light reflected from the eye to be examined and acquires a light receiving signal, and an instruction unit which instructs the drive position of the light scanning unit. The apparatus further includes a position detection unit which detects the current position of the light scanning unit and a measurement unit which measures the drive time delay from the issuance of an instruction by the instruction until the current position reaches the instructed drive position. The acquisition unit starts acquiring the light receiving signal at timing based on the drive time delay.
摘要翻译：本发明将由驱动指令发出的延迟引起的获取图像的位置偏移减小到实际达到指示驱动位置的扫描仪到扫描仪。眼科装置具有扫描要检查的前夕的测量光的光扫描单元，接收从被检眼的反射的光并获取光接收信号的获取单元，以及指示单元，光扫描单元。该装置还包括：位置检测单元，其检测光扫描单元的当前位置;以及测量单元，其测量从指令发出到当前位置到达指示驱动位置之前的指令的驱动时间延迟。采集单元基于驱动时间延迟在定时开始获取光接收信号。

13. 发明申请

US20140211160A1 OPHTHALMOLOGIC APPARATUS AND METHOD FOR CONTROLLING THE SAME 审中-公开
标题翻译：眼科设备及其控制方法
公开(公告)号：US20140211160A1
公开(公告)日：2014-07-31
申请号：US14168986
申请日：2014-01-30
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Naba , Yukio Sakagawa
IPC分类号： A61B3/12
CPC分类号： A61B3/102
摘要： An ophthalmologic apparatus includes an acquisition unit configured to acquire a fundus image of a subject's eye, a displacement acquisition unit configured to acquire the displacement of an imaging position between the fundus images acquired by the acquisition unit, and a display control unit configured to display on a display unit the fundus image acquired by the acquisition unit and a region of interest which is an area where a tomogram of the fundus is captured, in which the display control unit performs display control to display the fundus image and the region of interest on the display unit based on the displacement acquired by the displacement acquisition unit so that the region of interest is positioned at a predetermined position of the fundus image, and stops the display control based on the position of the subject's eye.
摘要翻译：一种眼科设备，包括：获取单元，被配置为获取被检者的眼睛的眼底图像;位移获取单元，被配置为获取由所述获取单元获取的所述眼底图像之间的成像位置的位移;以及显示控制单元，显示单元，由获取单元获取的眼底图像和感兴趣区域，其是拍摄眼底的断层图像的区域，其中显示控制单元执行显示控制以在所述显示单元上显示眼底图像和感兴趣区域基于由位移获取单元获取的位移使得感兴趣区域位于眼底图像的预定位置的显示单元，并且基于被检眼的位置停止显示控制。

14. 发明授权

US10687701B2 Eyeground imaging apparatus and control method therefor 有权
公开(公告)号：US10687701B2
公开(公告)日：2020-06-23
申请号：US15089104
申请日：2016-04-01
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Muto , Yasuyuki Numajiri , Nobuhito Suehira , Makoto Sato , Yukio Sakagawa , Akihiro Katayama
IPC分类号： A61B3/14 , A61B3/10 , A61B3/12 , A61B3/00
摘要： A tomographic-image pickup unit is controlled so as to capture a tomographic image in response to a signal input from a signal input unit. Then, a display unit is controlled so as to display the captured tomographic image. An eyeground-image pickup unit is controlled so as to capture a two-dimensional image in response to a signal input from the signal input unit while the tomographic image is displayed on the display unit. Therewith, the user can more easily perform imaging, and the time load on the subject is reduced.

15. 发明授权

US09918632B2 Ophthalmologic apparatus and control method thereof 有权
公开(公告)号：US09918632B2
公开(公告)日：2018-03-20
申请号：US14681461
申请日：2015-04-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yuki Shimozato , Wataru Sakagawa , Toshifumi Masaki , Yukio Sakagawa
IPC分类号： A61B3/14 , A61B3/10 , A61B3/12
CPC分类号： A61B3/14 , A61B3/102 , A61B3/1225
摘要： The present invention reduces a positional displacement of an acquired image attributable to a delay from the issuance of a drive instruction to a scanner to the scanner actually reaching an instructed drive position. An ophthalmologic apparatus has a light scanning unit which scans measuring light on an eye to be examined, an acquisition unit which receives light reflected from the eye to be examined and acquires a light receiving signal, and an instruction unit which instructs the drive position of the light scanning unit. The apparatus further includes a position detection unit which detects the current position of the light scanning unit and a measurement unit which measures the drive time delay from the issuance of an instruction by the instruction until the current position reaches the instructed drive position. The acquisition unit starts acquiring the light receiving signal at timing based on the drive time delay.

16. 发明授权

US09585554B2 Image processing apparatus and image processing method 有权
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US09585554B2
公开(公告)日：2017-03-07
申请号：US13962115
申请日：2013-08-08
申请人： CANON KABUSHIKI KAISHA
发明人： Krzysztof Marek Piotrowski , Yukio Sakagawa
IPC分类号： A61B3/14 , A61B3/10 , A61B3/00
CPC分类号： A61B3/102
摘要： There is provided an image processing apparatus, comprising: a tomographic image acquiring unit for acquiring a tomographic image of a retina; an instruction unit for instructing for a change in the positions of display forms indicating a plurality of regions in one of the display forms indicating a plurality of layer boundaries of a retina; and a display control unit for causing the display unit to display respective display forms indicating the plurality of layer boundaries in positions corresponding to the plurality of layer boundaries in the tomographic image in an overlapped state, and in a case of instructing for the change in the position of at least one of display forms, for causing the display unit to display the display form instructed with the display form different from other display forms.
摘要翻译：提供一种图像处理装置，包括：断层图像获取单元，用于获取视网膜的断层图像; 指示单元，用于指示在指示视网膜的多个层边界的一个显示形式中的指示多个区域的显示形式的位置的改变; 以及显示控制单元，用于使所述显示单元在重叠状态下在所述断层图像中的与所述多个层边界相对应的位置中显示指示所述多个层边界的各个显示形式，并且在指示所述切换中的所述改变的情况下至少一种显示形式的位置，用于使显示单元以不同于其他显示形式的显示形式来显示以指示的显示形式。

17. 发明申请

US20170014025A1 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS 有权
标题翻译：图像处理装置，图像处理方法和光学相干计算装置
公开(公告)号：US20170014025A1
公开(公告)日：2017-01-19
申请号：US15206114
申请日：2016-07-08
申请人： CANON KABUSHIKI KAISHA
发明人： Hiroki Uchida , Yukio Sakagawa , Krzysztof Marek Piotrowski
IPC分类号： A61B3/10 , A61B3/12 , A61B3/00
CPC分类号： A61B3/102 , A61B3/0025 , A61B3/12 , G06T5/008 , G06T5/40 , G06T7/0012 , G06T7/12 , G06T2207/10101
摘要： An image processing apparatus converts an intensity distribution of at least one of a plurality of regions of a tomographic image of an eye by using an amount of conversion which is greater than an amount of conversion used to convert an intensity distribution of another one of the plurality of regions, the tomographic image being obtained by performing tomographic imaging on the eye by using optical interference.
摘要翻译：图像处理装置通过使用大于用于转换多个的另一个的强度分布的转换量来转换眼睛的断层图像的多个区域中的至少一个的强度分布的区域，通过使用光学干涉对眼睛进行断层摄影而获得的断层图像。

18. 发明授权

US09326674B2 Optical tomographic imaging apparatus and method for controlling the same 有权
标题翻译：光学层析成像装置及其控制方法
公开(公告)号：US09326674B2
公开(公告)日：2016-05-03
申请号：US14161539
申请日：2014-01-22
申请人： CANON KABUSHIKI KAISHA
发明人： Toshifumi Masaki , Hiroshi Aoki , Yukio Sakagawa
IPC分类号： A61B3/14 , A61B3/10 , A61B3/00
CPC分类号： A61B3/0033 , A61B3/102
摘要： An optical tomographic imaging apparatus includes a measurement light optical path length changing unit configured to change an optical path length of measurement light. In a case where any one of a plurality of imaging regions of an object (for example, a region of an anterior eye of a subject's eye and a region of a fundus of the subject's eye) is selected, the optical tomographic imaging apparatus can control the measurement light optical path length changing unit according to a size of an imaging range of a tomographic image corresponding to the selected imaging region.
摘要翻译：光学层析成像装置包括：测量光路长度改变单元，被配置为改变测量光的光路长度。在选择物体的多个成像区域（例如，被检眼的眼睛的前眼的区域和被检眼的眼底的区域）中的任一个的情况下，光学断层图像摄像装置能够控制所述测量光路长度改变单元根据与所选择的成像区域相对应的断层图像的成像范围的大小。

19. 发明授权

US09277860B2 Optical tomographic imaging apparatus and method for controlling the same 有权
标题翻译：光学层析成像装置及其控制方法
公开(公告)号：US09277860B2
公开(公告)日：2016-03-08
申请号：US14167802
申请日：2014-01-29
申请人： CANON KABUSHIKI KAISHA
发明人： Isao Komine , Hiroshi Aoki , Hirofumi Yoshida , Yukio Sakagawa , Hiroyuki Inoue
IPC分类号： A61B3/10 , G01B9/02
CPC分类号： A61B3/102 , G01B9/02063 , G01B9/02064 , G01B9/02089 , G01B9/02091
摘要： An optical tomographic imaging apparatus includes a control unit configured to, in a case where an instruction to narrow an imaging range of a tomographic image is issued, control a measurement light optical path length changing unit to reduce an optical path length of measurement light and make a changing speed of the optical path length of the measurement light lower than in a case where an instruction to widen the imaging range is issued.
摘要翻译：一种光学层析成像装置，包括：控制单元，其被配置为在发出缩小断层图像的成像范围的指示的情况下，控制测量光路长度改变单元，以减小测量光的光程长度，测量光的光路长度的变化速度比发出扩大成像范围的指令的情况下的变化速度低。

20. 发明申请

US20140327878A1 CONTROL APPARATUS, CONTROL METHOD AND PROGRAM 审中-公开
标题翻译：控制装置，控制方法和程序
公开(公告)号：US20140327878A1
公开(公告)日：2014-11-06
申请号：US14267767
申请日：2014-05-01
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeaki Ono , Yukio Sakagawa
IPC分类号： A61B3/12
CPC分类号： A61B3/12 , A61B3/102 , A61B3/145
摘要： In an eye fundus surface expansion observation screen, a surface moving image that is a moving image showing the surface of a predetermined region in a subject's eye is enlarged and displayed. In an eye fundus tomography expansion confirmation screen, a tomographic image showing the tomography of the subject's eye, which corresponds to a position selected from the surface moving image, is enlarged and displayed.
摘要翻译：在眼底表面扩张观察画面中，放大显示作为显示被检者眼睛中的规定区域的表面的运动图像的表面运动图像。在眼底层析成像扩张确认画面中，放大显示与从表面运动图像中选择的位置对应的被检眼的断层摄影的断层图像。

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