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公开(公告)号：US11972554B2
公开(公告)日：2024-04-30
申请号：US17132878
申请日：2020-12-23
Inventor： Taro Imagawa , Akihiro Noda , Yuki Maruyama , Hiroya Kusaka
CPC classification number: G06T7/001 , G01M99/00 , G06T7/246 , G06T7/0004 , G06T2207/10016 , G06T2207/30108 , G06T2207/30184
Abstract: A detection device includes an acquirer that acquires a video of each of a plurality of bearings of a structure including the plurality of bearings, an extractor that extracts a dynamic feature corresponding to a plurality of degrees of freedom of each of the plurality of bearings based on the video, and an identifier that identifies, among the plurality of bearings, a bearing whose dynamic feature fails to match a dynamic feature of one or more other bearings of the plurality of bearings.
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公开(公告)号：US11536602B2
公开(公告)日：2022-12-27
申请号：US16372499
申请日：2019-04-02
Inventor： Taro Imagawa , Akihiro Noda , Hiroya Kusaka
Abstract: A load meter includes a detector, a storage unit, and a load calculator. The detector detects, by using a captured image obtained by capturing a road and a vehicle present on the road, a displacement amount in the captured image, the displacement amount corresponding to displacement caused on the road by application of a load of the vehicle. The storage unit stores information indicating a relation between the load and the displacement amount. The load calculator calculates the load based on the displacement amount and the information.
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公开(公告)号：US11009436B2
公开(公告)日：2021-05-18
申请号：US16597362
申请日：2019-10-09
Inventor： Taro Imagawa , Akihiro Noda , Hiroya Kusaka
IPC: G01N3/00 , G01N3/20 , G01M11/08 , G01N3/28 , G01N3/06 , G01B7/16 , G01B5/04 , G01B11/16 , G01M5/00
Abstract: A rigidity measurement apparatus is a rigidity measurement apparatus that measures rigidity of an object to be measured and includes a load estimator, a displacement calculator, and a rigidity calculator. The load estimator estimates a load applied to a measurement point set on the object to be measured by using a captured image of the object to be measured. The displacement calculator calculates a displacement of the measurement point by using the captured image. The rigidity calculator calculates the rigidity of the object to be measured by using the load and the displacement.
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公开(公告)号：US20240230945A1
公开(公告)日：2024-07-11
申请号：US18618281
申请日：2024-03-27
Inventor： Taro Imagawa , Akihiro Noda
Abstract: A determination device includes: a distinctive region detector that detects a first distinctive region from first images that include a person and captured at mutually different time points; a reference position calculator that calculates a reference position from second images that include the person and captured at substantially the same time as the first images; a mapper that, when the first distinctive region is detected from one or more first images, maps, for each of the one or more first images, the detected first distinctive region onto the person included in a second image captured at substantially the same time as the first image, based on the first distinctive region and the reference position calculated from the second image; and a determiner that determines a possession of the person based on a mapping result. Each first image is a sub-terahertz wave image.
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5.发明授权公开(公告)号：US11913889B2
公开(公告)日：2024-02-27
申请号：US17136681
申请日：2020-12-29
Inventor： Yuki Maruyama , Hiroya Kusaka , Taro Imagawa , Akihiro Noda
CPC classification number: G01N21/8851 , G01B11/16 , G06T7/001 , G06T7/0004 , G01M5/0033 , G01N2021/8861 , G01N2021/8867 , G01N2203/0066
Abstract: A prediction device for predicting the growth direction of a crack that occurs in a subject includes: an obtainer that obtains video of the subject; a derivation unit that derives displacement of each of a plurality of regions in the obtained video; a selector that selects, from among the plurality of regions, two or more regions each having displacement similar to displacement of a reference region included in the plurality of regions; and an identification unit that identifies, as the growth direction, the longitudinal direction of a collective region made up of the two or more selected regions.
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Patent Agency Ranking
公开(公告)号：US11373295B2
公开(公告)日：2022-06-28
申请号：US17126727
申请日：2020-12-18
Inventor： Akihiro Noda , Taro Imagawa , Hiroya Kusaka , Yuki Maruyama
Abstract: A displacement measurement device includes: a first machine learning model trained to generate, from one image which contains a subject and has noise, at least one image which contains the subject and which has noise or has had noise removed; a first obtainer that obtains a first image which contains the subject and has noise and a second image which contains the subject and has noise; a first generator that, using the first machine learning model, generates M template images containing the subject from the first image and generates M target images containing the subject from the second image, M being an integer of 2 or higher; a hypothetical displacement calculator that calculates M hypothetical displacements of the subject from the M template images and the M target images; and a displacement calculator that calculates a displacement of the subject by performing statistical processing on the M hypothetical displacements.
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公开(公告)号：US11348225B2
公开(公告)日：2022-05-31
申请号：US17123410
申请日：2020-12-16
Inventor： Taro Imagawa , Akihiro Noda , Yuki Maruyama , Hiroya Kusaka
Abstract: An information presentation method according to the present disclosure includes: acquiring two or more monochrome images obtained by image-capturing a structure using a monochrome camera and one or more first color images obtained by image-capturing the structure using a color camera, the one or more first color images having a less amount of information than an amount of information of the two or more monochrome images; detecting a displacement that indicates a movement of the structure based on the two or more monochrome images; generating presentation information that includes one or more second color images that present information that indicates the displacement based on the two or more monochrome images and the one or more first color images; and outputting the presentation information.
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公开(公告)号：US11238608B2
公开(公告)日：2022-02-01
申请号：US16810909
申请日：2020-03-06
Inventor： Akihiro Noda , Taro Imagawa , Hiroya Kusaka
Abstract: A lift-up determining device includes a detector and a determination unit. The detector acquires a captured image including a tire on an axle of a vehicle and detects the tire from the captured image. The determination unit determines, based on a detection result by the detector, whether the axle is lifted up.
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公开(公告)号：US11175175B2
公开(公告)日：2021-11-16
申请号：US16812246
申请日：2020-03-06
Inventor： Akihiro Noda , Taro Imagawa , Hiroya Kusaka
Abstract: A double tire determination device includes an image input unit and a determination unit. The image input unit receives input of a captured image including a tire mounted on a vehicle. The determination unit determines whether the tire is a double tire, based on a ratio between a first area and a second area. The first area is an area of a first wheel region that is a part of a region of a wheel holding the tire and that is located on a side in a first direction with respect to a position of a rotation center of the tire. The second area is an area of a second wheel region that is a part of the region of the wheel holding the tire and that is located on a side in a second direction, which is opposite to the first direction, with respect to the position of the rotation center.
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公开(公告)号：US10914572B2
公开(公告)日：2021-02-09
申请号：US16405602
申请日：2019-05-07
Inventor： Akihiro Noda , Hiroya Kusaka , Taro Imagawa
Abstract: A displacement measuring apparatus measures a displacement of a measurement object by using a captured image where the measurement object and a load object are imaged. The displacement is caused by the load object in contact with the measurement object at a contact position. The displacement measuring apparatus includes a position detector, an area setting unit and a displacement calculator. The position detector detects a position, of the load object, in the captured image. The area setting unit sets a position and a size of a detection area in the captured image by using distance information and the position of the load object detected by the position detector, the distance information spatially indicating a distance between the measurement object when the load object is not on the measurement object and an imaging device that generates the captured image. The displacement calculator calculates the displacement by using only an image in the detection area in the captured image.
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