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公开(公告)号：US20210118179A1
公开(公告)日：2021-04-22
申请号：US17113425
申请日：2020-12-07
Inventor： Nobuhiko WAKAI , Takeo AZUMA , Kunio NOBORI , Satoshi SATO , Ayako MARUYAMA
Abstract: A crossing point detector includes memory and a crossing point detection unit that reads out a square image from a captured image in the memory, and detects a crossing point of two boundary lines in a checker pattern depicted in the square image. The crossing point detection unit decides multiple parameters of a function model treating two-dimensional image coordinates as variables, the parameters optimizing an evaluation value based on a difference between corresponding pixel values represented by the function model and the square image, respectively, and computes the position of a crossing point of two straight lines expressed by the decided multiple parameters to thereby detect the crossing point with subpixel precision. The function model uses a curved surface that is at least first-order differentiable to express pixel values at respective positions in a two-dimensional coordinate system at the boundary between black and white regions.
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公开(公告)号：US20150235427A1
公开(公告)日：2015-08-20
申请号：US14679316
申请日：2015-04-06
Inventor： Kunio NOBORI , Ayako MARUYAMA , Yumiko KATO , Tsuyoshi INOUE
CPC classification number: G06T19/006 , G02B27/0093 , G02B27/017 , G02B2027/011 , G02B2027/0138 , G02B2027/014 , G02B2027/0187 , G02C11/10 , G06T5/006 , G06T2207/10012 , G06T2207/30041 , G06T2207/30201
Abstract: This invention solves the problem that objects in the field of view of reading glasses using multifocal lenses for correcting ocular refractive errors such as presbyopia appear distorted. This image display device is provided with the following: a distance computation unit that computes the distance to a subject in a field-of-view image; a visual-acuity-information acquisition unit that stores visual-acuity information for the user in advance; a corrected-image generation unit that generates and outputs a corrected image on the basis of the field-of-view image and an eye image generated from the field-of-view image, the distance information, and the visual-acuity information; and a display unit that displays the corrected image by superimposing same onto the user's field of view. Since the corrected image is superimposed without the use of lenses, lenses being the cause of the abovementioned distortion, the user can see close objects clearly.
Abstract translation: 本发明解决了使用多焦点透镜校正眼屈光不正（例如老花眼）的阅读眼镜领域中的物体看起来失真的问题。 该图像显示装置设置有：距离计算单元，其计算与视野图像中的被摄体的距离; 视敏度信息获取单元，用于预先存储用户的视敏度信息; 校正图像生成单元，其基于所述视野图像生成并输出校正图像，并且从所述视野图像生成的眼图像，所述距离信息和所述视敏度信息; 以及显示单元，其通过将校正图像叠加在用户的视野上来显示。 由于校正图像叠加而不使用透镜，所以透镜是上述失真的原因，用户可以清楚地看到近距离的物体。
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公开(公告)号：US20230196921A1
公开(公告)日：2023-06-22
申请号：US18110462
申请日：2023-02-16
Inventor： Ayako MARUYAMA , Kunio NOBORI , Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI
CPC classification number: G08G1/166 , H04N7/181 , G06T5/005 , B60R1/003 , G01S13/931 , G06T7/70 , G08G1/165 , G06T11/00 , G06T2207/30252 , B60R2300/105 , B60R2300/303
Abstract: An image generating apparatus generates an image to be displayed on a display and includes at least one memory and a control circuit. The control circuit acquires a plurality of camera images captured by a plurality of cameras installed in a vehicle, calculates a distance between one of the cameras and a target to be projected in in the camera images, detects a position of a light-transmissive object or a reflective object in the camera images, and generates an image from a point of view that is different from points of view of the plurality of camera images by using the plurality of camera images and the distance, the generated image including a predetermined image that is displayed at the position of the light-transmissive object or the reflective object.
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公开(公告)号：US20190325610A1
公开(公告)日：2019-10-24
申请号：US16458489
申请日：2019-07-01
Inventor： Nobuhiko WAKAI , Takeo AZUMA , Kunio NOBORI , Satoshi SATO , Ayako MARUYAMA
Abstract: A crossing point detector includes memory and a crossing point detection unit that reads out a square image from a captured image in the memory, and detects a crossing point of two boundary lines in a checker pattern depicted in the square image. The crossing point detection unit decides multiple parameters of a function model treating two-dimensional image coordinates as variables, the parameters optimizing an evaluation value based on a difference between corresponding pixel values represented by the function model and the square image, respectively, and computes the position of a crossing point of two straight lines expressed by the decided multiple parameters to thereby detect the crossing point with subpixel precision. The function model uses a curved surface that is at least first-order differentiable to express pixel values at respective positions in a two-dimensional coordinate system at the boundary between black and white regions.
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公开(公告)号：US20210398430A1
公开(公告)日：2021-12-23
申请号：US17462310
申请日：2021-08-31
Inventor： Ayako MARUYAMA , Kunio NOBORI , Takeo AZUMA , Satoshi SATO , Nobuhiko WAKAI
Abstract: An image generating apparatus generates an image to be displayed on a display and includes at least one memory and a control circuit. The control circuit acquires a plurality of camera images captured by a plurality of cameras installed in a vehicle, calculates a distance between one of the cameras and a target to be projected in in the camera images, detects a position of a light-transmissive object or a reflective object in the camera images, and generates an image from a point of view that is different from points of view of the plurality of camera images by using the plurality of camera images and the distance, the generated image including a predetermined image that is displayed at the position of the light-transmissive object or the reflective object.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200177867A1
公开(公告)日：2020-06-04
申请号：US16782239
申请日：2020-02-05
Inventor： Kunio NOBORI , Nobuhiko WAKAI , Takeo AZUMA , Satoshi SATO , Ayako MARUYAMA , Mikiya NAKATA
IPC: H04N13/246 , H04N13/243
Abstract: A camera-parameter-set calculation apparatus includes a three-dimensional point group calculator that calculates a plurality of three-dimensional coordinates, based on first and second images respectively captured by first and second cameras and first and second camera parameter sets of the first and second cameras; an evaluation value calculator that determines a plurality of pixel coordinates in the second image, based on the plurality of three-dimensional coordinates and the second camera parameter set, determines a plurality of third pixel coordinates in a third image captured by a third camera, based on the plurality of three-dimensional coordinates and a third camera parameter set of the third camera, and calculates an evaluation value, based on pixel values at the plurality of second and third pixel coordinates in the second and third images; and a camera-parameter-set determiner that determines a fourth camera parameter set for the third camera, based on the evaluation value.
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公开(公告)号：US20190200027A1
公开(公告)日：2019-06-27
申请号：US16288613
申请日：2019-02-28
Inventor： Satoshi SATO , Kunio NOBORI , Takeo AZUMA , Ayako MARUYAMA , Nobuhiko WAKAI
IPC: H04N19/186 , H04N9/04 , H04N1/41 , H04N1/64 , G06T3/40
CPC classification number: H04N19/186 , G06T3/4015 , H04N1/41 , H04N1/64 , H04N9/045
Abstract: An imaging apparatus includes an imaging optical system that forms an optical signal, an imaging device that includes a plurality of pixels and that converts the optical signal formed on the plurality of pixels into an electrical signal, a color filter that is arranged between the imaging optical system and the imaging device and that has a different optical transmittance for each of the plurality of pixels and each of a plurality of wavelength ranges, and a transmission data compression circuit that compresses the electrical signal obtained by the imaging device. The sum of products of an optical transmittance group relating to a plurality of optical transmittances of the color filter for each of the plurality of pixels in the plurality of wavelength ranges and coefficients common to the plurality of pixels is the same between the plurality of pixels.
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8.发明申请公开(公告)号：US20190139261A1
公开(公告)日：2019-05-09
申请号：US16242291
申请日：2019-01-08
Inventor： Nobuhiko WAKAI , Kunio NOBORI , Takeo AZUMA , Satoshi SATO , Ayako MARUYAMA , Mikiya NAKATA
IPC: G06T7/80 , H04N13/239 , G01B11/24 , H04N13/246 , G01B21/04
Abstract: Provided are: a point group obtainer that obtains three-dimensional point group data indicating three-dimensional locations of each of a plurality of three-dimensional points included in an imaging space of one or more cameras; a camera parameter calculator that (i) obtains corresponding points, for each of the plurality of three-dimensional points, in individual images captured using the one or more cameras, based on the three-dimensional point group data and an initial camera parameter of each camera, and (ii) calculates a camera parameter of each camera on the basis of the initial camera parameter of each camera and pixel values, included in the individual images, at the corresponding points; and a camera parameter outputter that outputs the calculated camera parameter of each camera.
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9.发明申请公开(公告)号：US20170223422A1
公开(公告)日：2017-08-03
申请号：US15485351
申请日：2017-04-12
Inventor： Ayako MARUYAMA , Kunio NOBORI , Koichi HOTTA , Mikiya NAKATA , Hidetsugu MAEKAWA
IPC: H04N21/488 , H04N21/44 , H04N21/4788 , H04N21/435
CPC classification number: H04N21/4882 , G06F17/3082 , G06K9/00671 , G06T11/60 , G11B27/031 , H04N13/183 , H04N21/2743 , H04N21/435 , H04N21/44008 , H04N21/472 , H04N21/47205 , H04N21/4788 , H04N21/488 , H04N21/8133 , H04N21/8456
Abstract: A comment-provided video generating apparatus includes: a display priority calculating unit which calculates a display priority for each of the comments and subject regions to which the comments are provided, based on comment information indicating comments to be superimposed and displayed on a video and display positions of the comments, and user information, by calculating a higher display priority for one of the comments and the subject regions specified by user information; a comment superimposing method determining unit which determines, as a method for superimposing the comments onto a video, an order of displaying the comments and the subject regions such that a comment or a subject region having a higher display priority is displayed at a position frontward than the others, according to the display priority; and an image composing unit which superimposes the comments on the video, according to the comment superimposing method.
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10.发明申请COMMENT INFORMATION GENERATING APPARATUS AND COMMENT INFORMATION GENERATING METHOD 审中-公开意见信息生成装置和意见信息生成方法公开(公告)号：US20160309239A1
公开(公告)日：2016-10-20
申请号：US15192301
申请日：2016-06-24
Inventor： Ayako MARUYAMA , Kunio NOBORI , Koichi HOTTA , Shuhei SASAKURA
IPC: H04N21/81 , G09G5/38 , G11B27/034 , H04N21/234 , G06T11/00 , H04N21/44 , H04N21/4788 , H04N21/488 , H04N21/845 , H04N21/2743 , G06T7/20 , H04N21/235
CPC classification number: H04N21/8133 , G06F16/00 , G06F16/7837 , G06F16/7867 , G06T7/20 , G06T11/00 , G06T2207/30241 , G09G5/00 , G09G5/38 , G11B27/00 , G11B27/034 , H04N21/23418 , H04N21/235 , H04N21/2743 , H04N21/44008 , H04N21/4788 , H04N21/488 , H04N21/4888 , H04N21/8456
Abstract: A comment information generating apparatus includes: a video obtaining unit which receives a video; a comment input receiving unit which receives position information of an object in the video and a comment that is displayed with the object and is caused to track the object starting from a predetermined timing; a target time determining unit which determines, to be a target value indicating a time length, a target time during which the comment is displayed, based on the comment; an object motion determining unit which determines, for the object, a motion trajectory having a time length substantially equal to the target time and along which the comment is caused to track the object; a comment information generating unit which generates comment information including the comment and the motion trajectory of the object; and an output unit which outputs the comment information.
Abstract translation: 评论信息生成装置包括：视频获取单元，其接收视频; 评论输入接收单元，其接收视频中的对象的位置信息和与对象一起显示并且从预定定时开始跟踪对象的注释; 目标时间确定单元，其基于所述评论确定作为指示时间长度的目标值，显示所述评论的目标时间; 对象运动确定单元，针对所述对象确定具有与所述目标时间基本相等的时间长度的运动轨迹，并且使所述运动轨迹跟踪所述对象; 注释信息生成单元，其生成包含所述对象的注释和运动轨迹的注释信息; 以及输出单元，其输出评论信息。
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