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公开(公告)号：US20190005347A1
公开(公告)日：2019-01-03
申请号：US16014915
申请日：2018-06-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: First coordinate transformation information between an entire image and a first captured image is calculated by a feature point comparing process. Second coordinate transformation information between the first captured image and a second captured image is calculated by a feature point tracing process, the second captured image being a captured image at a timing when the first coordinate transformation information is calculated. Third coordinate transformation information between an immediately previous captured image and a third captured image is calculated by a feature point tracing process. A data input area in the entire image is mapped on the third captured image based on the first to the third coordinate transformation information pieces. Updates of the first and the second coordinate transformation information pieces may be suppressed where a change amount exceeds a predetermined threshold.
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2.发明授权公开(公告)号：US11582232B2
公开(公告)日：2023-02-14
申请号：US17087129
申请日：2020-11-02
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: An authority transfer system comprising a client, a resource server, a server that receives, from the client, an authorization request requesting permission to access to a resource managed by the resource server, and a user terminal possessed by an owner of the resource is provided. The server registers a first user terminal in accordance with a registration request of the first user terminal being received from the first user terminal, and determines whether or not a registered second user terminal can be deregistered in accordance with a registration cancellation request being received from the first user terminal, and if it is determined that the second user terminal can be deregistered, authenticates the first user terminal or the second user terminal, and deregisters the second user terminal in accordance with the authentication.
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Patent Agency Ranking
3.发明申请公开(公告)号：US20210144138A1
公开(公告)日：2021-05-13
申请号：US17087129
申请日：2020-11-02
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: An authority transfer system comprising a client, a resource server, a server that receives, from the client, an authorization request requesting permission to access to a resource managed by the resource server, and a user terminal possessed by an owner of the resource is provided. The server registers a first user terminal in accordance with a registration request of the first user terminal being received from the first user terminal, and determines whether or not a registered second user terminal can be deregistered in accordance with a registration cancellation request being received from the first user terminal, and if it is determined that the second user terminal can be deregistered, authenticates the first user terminal or the second user terminal, and deregisters the second user terminal in accordance with the authentication.
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4.发明授权公开(公告)号：US10694098B2
公开(公告)日：2020-06-23
申请号：US16183196
申请日：2018-11-07
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: An apparatus and method is provided that detects four sides of a subject image included in a captured image. It is determined, based on a width and a height of the captured image and the detected four sides of the subject image, whether imaging guides of vertical lines are to be displayed or imaging guides of horizontal lines are to be displayed. The vertical lines are displayed in a left end and a right end of a region in which the captured image is displayed when it is determined that the imaging guides of the vertical lines are to be displayed. The horizontal lines are displayed in an upper end and a lower end of the region in which the captured image is displayed when it is determined that the imaging guides of the horizontal lines are to be displayed.
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5.发明申请公开(公告)号：US20190141237A1
公开(公告)日：2019-05-09
申请号：US16183196
申请日：2018-11-07
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
CPC classification number: H04N5/23222 , G06T7/13 , G06T7/60 , G06T2207/30176 , H04N5/232935 , H04N5/232945
Abstract: An apparatus and method is provided that detects four sides of a subject image included in a captured image. It is determined, based on a width and a height of the captured image and the detected four sides of the subject image, whether imaging guides of vertical lines are to be displayed or imaging guides of horizontal lines are to be displayed. The vertical lines are displayed in a left end and a right end of a region in which the captured image is displayed when it is determined that the imaging guides of the vertical lines are to be displayed. The horizontal lines are displayed in an upper end and a lower end of the region in which the captured image is displayed when it is determined that the imaging guides of the horizontal lines are to be displayed.
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公开(公告)号：US11271923B2
公开(公告)日：2022-03-08
申请号：US16550535
申请日：2019-08-26
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: According to the present invention, an information processing apparatus that verifies a signed token is provided. The apparatus comprises a holding unit for holding key information for verifying the signed token, an obtainment unit for obtaining new key information from a server that provides the key information, and holding the new key information in the holding unit, if the key information for verifying a received signed token is not held in the holding unit, and a verification unit for verifying the signed token using the key information if the key information for verifying the received signed token is held in the holding unit.
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公开(公告)号：US20200076791A1
公开(公告)日：2020-03-05
申请号：US16550535
申请日：2019-08-26
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryo Kishimoto
Abstract: According to the present invention, an information processing apparatus that verifies a signed token is provided. The apparatus comprises a holding unit for holding key information for verifying the signed token, an obtainment unit for obtaining new key information from a server that provides the key information, and holding the new key information in the holding unit, if the key information for verifying a received signed token is not held in the holding unit, and a verification unit for verifying the signed token using the key information if the key information for verifying the received signed token is held in the holding unit.
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