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公开(公告)号：US12283069B2
公开(公告)日：2025-04-22
申请号：US17704290
申请日：2022-03-25
Inventor： Taro Imagawa , Akihiro Noda , Yuki Maruyama , Hiroya Kusaka
Abstract: A conversion parameter calculation method includes: obtaining, from a first image capturing device, first image data obtained by the first image capturing device capturing an image of an object; obtaining, from a second image capturing device, second distance data indicating a distance to the object, and second image data obtained by the second image capturing device capturing an image of the object; obtaining displacement direction information indicating a direction of a displacement of the object in three dimensions; associating positions on the object in the first image data and the second image data; estimating a position of the first image capturing device; calculating first distance data indicating a distance from the first image capturing device to the object; and calculating a conversion parameter for converting a pixel displacement amount of the object into the actual displacement amount, using the first distance data and the displacement direction information.
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公开(公告)号：US11920913B2
公开(公告)日：2024-03-05
申请号：US17699418
申请日：2022-03-21
Inventor： Akihiro Noda , Taro Imagawa , Yuki Maruyama , Hiroya Kusaka
CPC classification number: G01B11/022 , G01B11/026 , G01B11/03 , G01B11/2518 , G06K7/1417
Abstract: A conversion parameter calculation method includes: obtaining, from an image capturing device, image data obtained by the image capturing device capturing an image of an object having attached thereto a marker with which specific coordinates are detectable; obtaining displacement direction information indicating a direction of a displacement of the object, the direction crossing an image capturing surface of the image capturing device; detecting specific coordinates, based on the marker included in the image data; estimating a position of the image capturing device, based on a result of the detection; calculating distance data indicating a distance from the image capturing device to the object, based on the position of the image capturing device; and calculating, using the distance data and the displacement direction information, a conversion parameter for converting a pixel displacement amount of the object into an actual displacement amount.
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Patent Agency Ranking
公开(公告)号：US10277832B2
公开(公告)日：2019-04-30
申请号：US15358297
申请日：2016-11-22
Inventor： Toru Matsunobu , Toshiyasu Sugio , Youji Shibahara , Yuki Maruyama
IPC: H04N5/243 , H04N5/247 , H04N13/00 , H04N13/296 , H04N13/243
Abstract: An image processing method for processing a plurality of images is provided. The image processing method includes: acquiring a plurality of first images, each of the plurality of first images taken with each of a plurality of imaging devices; acquiring first imaging clock times, each of the first imaging clock times corresponding to each of the plurality of first images; selecting a plurality of second images from the plurality of first images; and generating an image set constructed with the plurality of second images. Each of second imaging clock times correspond to each of the plurality of second images. The second imaging clock times are (i) substantially matched with each other and (ii) included in the first imaging clock times.
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公开(公告)号：US09866841B2
公开(公告)日：2018-01-09
申请号：US14800643
申请日：2015-07-15
Inventor： Yuki Maruyama , Kiyofumi Abe , Hideyuki Ohgose , Koji Arimura , Hiroshi Arakawa , Kazuma Sakakibara , Kazuhito Kimura
IPC: H04N19/159 , H04N19/186 , H04N19/11
CPC classification number: H04N19/159 , H04N19/11 , H04N19/186
Abstract: Provided is an image coding method which obtains a picture, and codes the obtained picture. The image coding method generates a processing block, performs a first intra prediction that selects one intra prediction mode from a first set of candidates based on a component of a first signal contained in the processing block, performs a second intra prediction that selects one intra prediction mode from a second set of candidates based on a component of a second signal contained in the processing block. The first set of candidates includes a plurality of intra prediction modes, and the second set of candidates includes an intra prediction mode, having no dependency between the second intra prediction and the first intra prediction, of the plurality of intra prediction modes. The first intra prediction and the second intra prediction are performed in parallel.
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公开(公告)号：US10862977B2
公开(公告)日：2020-12-08
申请号：US16431017
申请日：2019-06-04
Inventor： Youji Shibahara , Toshiyasu Sugio , Toru Matsunobu , Yuki Maruyama , Takahiro Nishi
Abstract: A method controls access permission to an image including receiving session information from a first camera at a first position, the session information indicating a subject to be photographed and a session in which the first camera joins, receiving an image of the subject from the first camera, updating the session information such that a second camera, at a second position, joins the session, and monitoring whether the second camera joins the session. A first period is calculated in which the second camera joins the session, a second period is calculated based on the first period, and access permission to a shared image is controlled such that the second camera downloads the shared image during the second period and does not download the shared image outside of the second period, the shared image being one of the image and an image generated based on the image.
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公开(公告)号：US10356183B2
公开(公告)日：2019-07-16
申请号：US15340204
申请日：2016-11-01
Inventor： Youji Shibahara , Toshiyasu Sugio , Toru Matsunobu , Yuki Maruyama , Takahiro Nishi
Abstract: An image photographing method for sharing a shared image, which is a plurality of images obtained by photographing an identical subject 103 with a plurality of cameras or an image generated from the plurality of images, between a plurality of users of the plurality of cameras, the image photographing method including: judging whether a target camera that is one of the plurality of cameras photographs subject 103 (S401); and allowing a user of the target camera to browse the shared image according to a period in which the target camera photographs subject 103 (S403) when the judgement that the target camera photographs subject 103 is made (Yes in S402).
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公开(公告)号：US10205867B2
公开(公告)日：2019-02-12
申请号：US15390582
申请日：2016-12-26
Inventor： Youji Shibahara , Toshiyasu Sugio , Toru Matsunobu , Yuki Maruyama
IPC: H04N5/232 , H04N5/04 , H04N21/242 , H04N21/43
Abstract: In a photographing method in which a terminal device performs photographing, a clock of the terminal device is synchronized with a clock of a server that is a reference, photographing clock time information indicating a photographing clock time based on the clock is acquired through a network, and the photographing is performed at the photographing clock time indicated by the photographing clock time information based on the clock of the terminal device already synchronized with the clock.
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