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公开(公告)号：US20220128433A1
公开(公告)日：2022-04-28
申请号：US17568129
申请日：2022-01-04
Inventor： Taro IMAGAWA , Akihiro NODA , Yuki MARUYAMA , Hiroya KUSAKA
Abstract: An imaging parameter output method is a method of outputting an imaging parameter of an imaging device that captures an image for measuring a displacement representing a movement of an object. The imaging parameter output method includes: obtaining object information identifying the object, and a geometric imaging condition for imaging the object; calculating the imaging parameter including a candidate imaging area for placing the imaging device and the accuracy in measuring the displacement in the candidate imaging area, based on the object information and the geometric imaging condition, without imaging the object using the imaging device; and outputting the imaging parameter.
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公开(公告)号：US20210110515A1
公开(公告)日：2021-04-15
申请号：US17132163
申请日：2020-12-23
Inventor： Akihiro NODA , Taro IMAGAWA , Yuki MARUYAMA , Hiroya KUSAKA
Abstract: A displacement measurement device includes: an obtainer that obtains a first image which contains a subject and a second image which contains the subject; a generator that generates M template images which contain the subject and which have noise from the first image and generates M target images which contain the subject and which have noise 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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Patent Agency Ranking
公开(公告)号：US20220375066A1
公开(公告)日：2022-11-24
申请号：US17881836
申请日：2022-08-05
Inventor： Yuki MARUYAMA , Taro IMAGAWA , Hiroya KUSAKA , Akihiro NODA
Abstract: A measurement method, which is performed by a measurement device that measures a displacement of a target object, includes: receiving designation of a designation point on a first image that includes the target object; setting a plurality of set points, based on the designation point; identifying a direction of a line that connects two of the plurality of set points; generating a second image by rotating the first image, the second image being an image in which the identified direction of the line is horizontal or vertical; setting, in the second image, a measurement region that partially includes the line; and measuring the displacement of the target object in the measurement region, the displacement being a displacement in a direction orthogonal to the line.
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公开(公告)号：US20210304417A1
公开(公告)日：2021-09-30
申请号：US17346582
申请日：2021-06-14
Inventor： Hiroya KUSAKA , Akihiro NODA , Yuki MARUYAMA , Taro IMAGAWA
Abstract: An observation method includes: displaying video of a subject; receiving designation of at least one point in the video; determining an area or edge in the video based on the point; setting, in the video, observation point candidates in the area or on the edge; evaluating an image of each observation block candidate having a center point that is a corresponding observation point candidate, eliminating any observation point candidates not satisfying conditions, and setting remaining observation point candidates to a plurality of observation points; and observing a movement of the subject itself applied with an certain external load at each observation point. The conditions are that (i) the subject is in a corresponding observation block candidate, (ii) image quality of the observation block candidate is good without temporal deformation or blur, (iii) a displacement of the observation block candidate is not greater than that of any other observation block candidates.
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公开(公告)号：US20210118116A1
公开(公告)日：2021-04-22
申请号：US17132878
申请日：2020-12-23
Inventor： Taro IMAGAWA , Akihiro NODA , Yuki MARUYAMA , Hiroya KUSAKA
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：US20210104033A1
公开(公告)日：2021-04-08
申请号：US17126883
申请日：2020-12-18
Inventor： Taro IMAGAWA , Akihiro NODA , Yuki MARUYAMA , Hiroya KUSAKA
Abstract: An inspection device inspects fastening members that fasten a structure. The inspection device includes an obtainer that obtains images including a first image and a second image of the fastening members at times different from each other; a detector that detects first displacements that are respective displacements of the fastening members based on the first image and the second image; and an identifier that identifies, out of the fastening members based on the first displacements, a target fastening member behaving differently from other fastening members.
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17.发明申请公开(公告)号：US20210104031A1
公开(公告)日：2021-04-08
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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