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公开(公告)号：US10148865B2
公开(公告)日：2018-12-04
申请号：US15613184
申请日：2017-06-03
申请人： Olympus Corporation
发明人： Ryuhi Okubo , Kazumi Ito
摘要： A focus detection apparatus, comprising, focus detection pixels that receive a pair of light fluxes resulting from pupil division of light flux, a memory that stores correction values in accordance with width of the imaging light flux in the pupil-division direction relating to a two-image interval value, and a controller having a focus detection section, a light flux width calculation section, and a defocus amount calculation section, wherein the light flux width calculation section calculates the width of the imaging light flux in the pupil-division direction, and the defocus amount calculation section calculates defocus amount of the photographing optical system based on the two-image interval value, wherein the focus detection section detects a first two-image interval value and corrects the first two-image interval value based on the correction values and the width of the imaging light flux in the pupil-division direction to obtain a second two-image interval value.
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公开(公告)号：US12070184B2
公开(公告)日：2024-08-27
申请号：US18188126
申请日：2023-03-22
申请人： OLYMPUS CORPORATION
发明人： Ryuhi Okubo , Makoto Ikeda , Satoru Adachi , Nana Akahane
CPC分类号： A61B1/000095 , A61B1/00126 , A61B1/00133 , G06T7/0012 , G06T2207/10
摘要： An imaging system includes: an optical system configured to form a subject image; a driver configured to drive the optical system; an imaging element configured to capture the subject image and generate image data; and a processor configured to control the imaging element and the driver. The imaging element includes: a first imaging portion configured to capture an image of a first light beam that travels through a first optical path in the optical system; a second imaging portion configured to capture an image of a second light beam that travels through a second optical path shorter than the first optical path; and plural phase difference pixels for phase difference autofocus, the plural phase difference pixels being arranged in at least one of the first imaging portion and the second imaging portion, the plural phase difference pixels being configured to output phase difference signals.
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公开(公告)号：US09729777B2
公开(公告)日：2017-08-08
申请号：US14971349
申请日：2015-12-16
申请人： Olympus Corporation
发明人： Kazumi Ito , Ryuhi Okubo
CPC分类号： H04N5/23212 , G02B7/34 , G02B7/36 , H04N5/23209 , H04N5/3696
摘要： A photographing apparatus of the present invention, having a lens section including a photographing optical system for guiding photographing light flux and a body section capable of being attached to and detached from the lens section, comprises an image sensor having imaging pixels and pairs of focus detection pixels, a first memory for storing information relating to incident angle range of imaging light flux, a second memory, arranged in the body section, for storing information on light receiving sensitivity characteristic of the focus detection pixels, and a control amount calculate section for calculating information for focus adjustment control based on information that has been read out from the first memory and the second memory, wherein the information relating to incident angle range includes information relating to shape of a plurality of arcs based on openings of a plurality of lens groups contained in the photographing optical system.
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公开(公告)号：US12064092B2
公开(公告)日：2024-08-20
申请号：US17859439
申请日：2022-07-07
申请人： OLYMPUS CORPORATION
发明人： Makoto Ikeda , Ryuhi Okubo , Satoru Adachi , Nana Akahane
CPC分类号： A61B1/0655 , A61B1/00009 , A61B1/045 , A61B1/0638 , G02B23/2469 , H04N23/56 , H04N23/72 , H04N25/11 , G02B5/201
摘要： A control device includes: a processor configured to obtain a first picture signal and a second picture signal, calculate first ranging information based on the first picture signal, calculate second ranging information based on the second picture signal, estimate a first subject distance corresponding to the first ranging information, estimate ranging information corresponding to a second focal position, perform arithmetic processing to determine degree of reliability of the first ranging information, and output a result of the arithmetic processing.
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公开(公告)号：US20220345608A1
公开(公告)日：2022-10-27
申请号：US17859439
申请日：2022-07-07
申请人： OLYMPUS CORPORATION
发明人： Makoto Ikeda , Ryuhi Okubo , Satoru Adachi , Nana Akahane
摘要： A control device includes: a processor configured to obtain a first picture signal and a second picture signal, calculate first ranging information based on the first picture signal, calculate second ranging information based on the second picture signal, estimate a first subject distance corresponding to the first ranging information, estimate ranging information corresponding to a second focal position, perform arithmetic processing to determine degree of reliability of the first ranging information, and output a result of the arithmetic processing.
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公开(公告)号：US10970537B2
公开(公告)日：2021-04-06
申请号：US16531365
申请日：2019-08-05
申请人： OLYMPUS CORPORATION
发明人： Tetsuya Toyoda , Kazumi Ito , Masayuki Nakatsuka , Tatsuya Kino , Ryuhi Okubo , Shigeru Kato , Tetsuya Shirota , Kazuhiko Osa , Osamu Nonaka
摘要： An image processing apparatus generates a left-eye viewpoint image and a right-eye viewpoint image, detects one or more pairs that are each a pair of a partial image of the left-eye viewpoint image and a partial image of the right-eye viewpoint image that are similar to each other, performs, for each of the one or more pairs, image adjustment processing for adjusting the three-dimensionality of one of or both of the partial images of the left-eye and right-eye viewpoint images, displays the left-eye viewpoint image or the left-eye viewpoint image after the image adjustment processing in a manner such that this image is capable of being observed with a left eye, and displays the right-eye viewpoint image or the right-eye viewpoint image after the image adjustment processing in a manner such that this image is capable of being observed with a right eye.
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公开(公告)号：US09866746B2
公开(公告)日：2018-01-09
申请号：US15637857
申请日：2017-06-29
申请人： Olympus Corporation
发明人： Kazumi Ito , Ryuhi Okubo
IPC分类号： H04N5/232
CPC分类号： H04N5/23212 , G02B7/34 , G02B7/36 , H04N5/23209 , H04N5/3696
摘要： A photographing apparatus of the present invention, having a lens barrel including a photographing optical system for guiding photographing light flux and a camera body capable of being attached to and detached from the lens barrel, comprises an image sensor having pairs of focus detection pixels, a first memory for storing information relating to incident angle range of imaging light flux, a second memory, arranged in the body barrel, for storing information on light receiving sensitivity characteristic of the focus detection pixels, and a calculation controller for calculating information for focus adjustment control based on information that has been read out from the first memory and the second memory, wherein the information relating to incident angle range includes angular information of upper and lower ends of imaging light flux corresponding to image height.
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