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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
Applicant: Olympus Corporation
Inventor： Kazumi Ito , Ryuhi Okubo
CPC classification number: H04N5/23212 , G02B7/34 , G02B7/36 , H04N5/23209 , H04N5/3696
Abstract: 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：US10148865B2
公开(公告)日：2018-12-04
申请号：US15613184
申请日：2017-06-03
Applicant: Olympus Corporation
Inventor： Ryuhi Okubo , Kazumi Ito
Abstract: 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：US10970537B2
公开(公告)日：2021-04-06
申请号：US16531365
申请日：2019-08-05
Applicant: OLYMPUS CORPORATION
Inventor： Tetsuya Toyoda , Kazumi Ito , Masayuki Nakatsuka , Tatsuya Kino , Ryuhi Okubo , Shigeru Kato , Tetsuya Shirota , Kazuhiko Osa , Osamu Nonaka
Abstract: 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：US10425573B2
公开(公告)日：2019-09-24
申请号：US15680626
申请日：2017-08-18
Applicant: OLYMPUS CORPORATION
Inventor： Kazumi Ito
Abstract: A device having: an optical system configured to be controlled to adjust a focal position so as to focus in an adjustment range; a switch configured to be switched between a first state and a second state; and a processor comprising hardware, wherein the processor is configured to implement: a focal position adjustment range setting unit configured to set: the adjustment range to a whole region in the first state; and the adjustment range to a part of the whole region in the second state, wherein the part of the whole region as a predetermined range is determined from a focal position of an object point conjugate with an imaging surface at the time the first switch is switched to the second state; and a controller configured to control the optical system to adjust the focal position based on the set adjustment range.
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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
Applicant: Olympus Corporation
Inventor： Kazumi Ito , Ryuhi Okubo
IPC: H04N5/232
CPC classification number: H04N5/23212 , G02B7/34 , G02B7/36 , H04N5/23209 , H04N5/3696
Abstract: 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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Patent Agency Ranking
6.发明授权公开(公告)号：US09762803B2
公开(公告)日：2017-09-12
申请号：US15276143
申请日：2016-09-26
Applicant: Olympus Corporation
Inventor： Kazumasa Kunugi , Kazumi Ito , Tetsuo Kikuchi
CPC classification number: H04N5/23287 , G02B7/14 , G02B7/28 , G02B7/36 , G02B27/646 , H04N5/2253 , H04N5/2254 , H04N5/23212
Abstract: A focal point detection device according to the present invention comprising: an image sensor having an imaging pixel and a focal point detection pixel; a camera-shake preventing section which moves the image sensor in a direction perpendicular to the optical axis of the photographic lens to correct camera shake and also outputs information on the movement of the image sensor; a calculation section to calculate a focal point adjustment signal, based on the output of the focal point detection pixel; a memory to store a correction value for correcting the focal point adjustment signal, depending on the image height position of the focal point detection pixel; and a correction section to correct the focal point adjustment signal, depending on the output of the memory, the information output by the camera-shake preventing section, and the position of the focal point detection pixel.
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公开(公告)号：US10171724B2
公开(公告)日：2019-01-01
申请号：US15489972
申请日：2017-04-18
Applicant: Olympus Corporation
Inventor： Kazumi Ito
IPC: H04N5/232
Abstract: There is provided a focal point adjustment device, comprising: a first memory to store information on an emission angular range of a light flux emitted toward an image sensor; a second memory to store the information on characteristics of the image sensor; a camera-shake preventing mechanism to correct camera shake by moving the image sensor, and to correct camera shake by rotating the image sensor in a plane perpendicular to the optical axis of the photographic lens and also output information on the movement and information on the rotation; and a calculation circuit to correct image height information at a range-finding position where the output of the focal point detection pixel is used, based on the information on the movement and the information on the rotation output by the camera-shake preventing mechanism, and calculate information for the focal point adjustment, based on the corrected image height information.
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公开(公告)号：US09658429B2
公开(公告)日：2017-05-23
申请号：US15074030
申请日：2016-03-18
Applicant: Olympus Corporation
Inventor： Kazumi Ito , Keigo Matsuo , Satoru Ito
CPC classification number: G02B7/38 , G03B13/36 , G03B2205/0007 , H04N5/23212 , H04N5/23264 , H04N5/23287
Abstract: A focus adjustment device comprises an image sensor having imaging pixels and focus detection pixels, which subjects light flux that is passed through a photographing lens to photoelectric conversion and outputs an image signal, a first memory which stores information relating to incident angle range of light flux that is incident towards the image sensor, a second memory which stores information relating to characteristics of the image sensor, and a calculation section which calculates information for focus adjustment based on output of the first memory and output of the second memory.
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公开(公告)号：US09769373B2
公开(公告)日：2017-09-19
申请号：US15014202
申请日：2016-02-03
Applicant: OLYMPUS CORPORATION
Inventor： Mizuki Koshikawa , Kazumi Ito , Taichiro Kouchi , Osamu Nonaka
CPC classification number: H04N5/23212 , G03B13/36
Abstract: A situation comprehending apparatus included in an imaging apparatus includes an image acquiring section, a structure specifying section, a distance acquiring section, a main subject specifying section, and a main subject distance distribution determining section. The image acquiring section acquires an image of a target scene. The structure specifying section specifies a structure having linear image information in a far or near direction of the target scene or in a direction perpendicular to the far or near direction. The distance acquiring section acquires a distance to a structure straight line included in the structure. The main subject specifying section specifies a main subject different from the structure included in the image. The main subject distance distribution determining section determines distance distribution to the main subject with use of an image of the structure and an image of the main subject.
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公开(公告)号：US09509899B2
公开(公告)日：2016-11-29
申请号：US15082139
申请日：2016-03-28
Applicant: Olympus Corporation
Inventor： Tetsuo Kikuchi , Kazumi Ito , Kazumasa Kunugi , Yukie Yamazaki , Yoshinobu Omata
IPC: H04N5/232 , H04N5/357 , H04N5/369 , H04N5/238 , H04N5/243 , H04N5/225 , G03B17/14 , G02B7/34 , G02B7/28
CPC classification number: H04N5/23212 , G02B7/28 , G02B7/34 , G03B17/14 , G03B2206/00 , H04N5/2254 , H04N5/23209 , H04N5/238 , H04N5/243 , H04N5/3572 , H04N5/3696
Abstract: A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height. The camera main body includes an image sensor including focus detection pixels, a main body side storage unit that stores correction data, and a correction unit corrects non-uniformity in illumination distribution of outputs of the focus detection pixels. The pupil related data is data regarding an F-number and an exit pupil position. The data regarding the F-number indicates a range of luminous flux to be applied to the focus detection pixels at a predetermined image height. The data regarding the exit pupil position relates to a position of intersection of a center of luminous flux applied to the focus detection pixels at a predetermined image height and an optical axis of the imaging optical system.
Abstract translation: 相机系统包括可互换镜头和相机主体。 可互换镜头包括根据图像高度存储瞳孔相关数据的镜头侧存储单元。 照相机主体包括具有焦点检测像素的图像传感器，存储校正数据的主体侧存储单元，校正单元校正焦点检测像素的输出的照明分布的不均匀性。 瞳孔相关数据是关于F数和出瞳位置的数据。 关于F数的数据表示在预定图像高度处应用于焦点检测像素的光通量的范围。 关于出射光瞳位置的数据涉及在成像光学系统的预定图像高度和光轴处施加到焦点检测像素的光束中心的交点位置。
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