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公开(公告)号：US20230377375A1
公开(公告)日：2023-11-23
申请号：US18031263
申请日：2021-10-04
Applicant: Hitachi High-Tech Corporation
Inventor： Takeshi TANAKA , Daisuke FUKUI , Hiromitsu NAKAGAWA , Takashi TOYOMURA
Abstract: A motion visualization system 1 includes a skeleton recognition program 2 obtaining joint coordinates of a target person, a pitch extraction program 6 extracting a walk cycle of the target person based on the joint coordinates, and a storage unit 106 storing a skeleton normalization program 3 transforming coordinates of the joint coordinates in a reference coordinate system where a direction in which a predetermined portion of the target person moves is set as an axis of a traveling direction in one walk cycle extracted and transforming the joint coordinates based on information on the target person.
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Patent Agency Ranking
公开(公告)号：US20220366560A1
公开(公告)日：2022-11-17
申请号：US17642903
申请日：2020-08-27
Applicant: HITACHI HIGH-TECH CORPORATION
Inventor： Hiromitsu NAKAGAWA , Takeshi TANAKA , Daisuke FUKUI
Abstract: Provided is a measurement apparatus including a processor and a storage unit. The storage unit holds measurement data of each time point which is obtained by a photographing apparatus, and temporal-spatial constraints. The processor extracts a position of an object from the measurement data of each time point, determines whether the object satisfies the temporal-spatial constraints, and determines, based on a result of the determination on whether the object satisfies the temporal-spatial constraints, whether the object is an analysis target.
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3.发明公开公开(公告)号：US20240355479A1
公开(公告)日：2024-10-24
申请号：US18580973
申请日：2022-01-24
Applicant: HITACHI HIGH-TECH CORPORATION
Inventor： Hiromitsu NAKAGAWA , Takeshi TANAKA , Daisuke FUKUI
CPC classification number: G16H50/30 , G06T7/0016 , G06T7/70 , G06V40/25 , G16H30/40 , G06T2207/20081 , G06V2201/033
Abstract: A measurement apparatus includes: a measurement data acquisition unit configured to acquire measurement data of a target; and a processing unit configured to process the measurement data. The processing unit estimates a skeleton of a living body that is the target based on the measurement data, estimates a measurement condition related to the measurement data using an estimation result of the skeleton, obtains a similarity between the measurement condition and an assumed condition assumed in advance, and selects measurement data related to evaluation of a state of the target based on the similarity. With the configuration and operations,, it is possible to efficiently collect data related to evaluation of a state of a target while considering a restriction of a location where measurement data is acquired, without collecting a large amount of data.
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公开(公告)号：US20230005161A1
公开(公告)日：2023-01-05
申请号：US17793993
申请日：2020-09-10
Applicant: HITACHI HIGH-TECH CORPORATION
Inventor： Takashi TOYOMURA , Takeshi TANAKA , Daisuke FUKUI , Hiromitsu NAKAGAWA
Abstract: In a motion analysis apparatus 101, a data input unit 205 acquires a first imaging result and a second imaging result. in the motion analysis apparatus 101, a skeleton recognition unit 206 recognizes skeleton positions of a subject using the first imaging. result acquired by the data input unit 205, and recognizes skeleton positions of the subject using the second imaging result acquired by the data input unit 205. A motion period extraction unit 403 extracts a period from a start of a motion to an end of the motion as a range of data for comparing skeleton feature points recognized by the skeleton recognition unit 206. The similarity calculation unit 401 compares skeleton feature points recognized for an input from a depth camera with skeleton feature points recognized for an input from an RGB camera to calculate similarities, and outputs a determination result based on the similarities.
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公开(公告)号：US20220246302A1
公开(公告)日：2022-08-04
申请号：US17621884
申请日：2020-06-22
Applicant: Hitachi High-Tech Corporation
Inventor： Daisuke FUKUI , Hiromitsu NAKAGAWA , Takeshi TANAKA , Yuko SANO , Masatoshi MIYAKE , Nobuya HORIKOSHI
Abstract: An object of the invention is to harmonize prediction accuracy and an analysis time of an ensemble model. Therefore, when performing data analysis using an ensemble model 300 that makes an inference by integrating inferences by first to n-th models, an i-th model (1≤i≤n) constituting the ensemble model 300 is selected from an i-th model group of the model data, at least one model group of the first to n-th model groups includes a plurality of models, and the first to n-th models capable of constituting an ensemble model satisfying a performance requirement for data analysis and a constraint requirement for time required for the data analysis are selected from the first to n-th model groups 301 to 303.
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公开(公告)号：US20210244317A1
公开(公告)日：2021-08-12
申请号：US17049357
申请日：2019-04-15
Applicant: HITACHI HIGH-TECH CORPORATION
Inventor： Daisuke FUKUI , Masashi EGI , Hiromitsu NAKAGAWA , Takeshi TANAKA , Masatoshi MIYAKE , Takashi ONO , Nobuya HORIKOSHI , Minori NOGUCHI
Abstract: To provide a walking mode display method, a walking mode display system and a walking mode analyzer each of which allows for analysis of a walking mode of a user and display thereof in an easily understandable manner. The walking mode display method includes: selecting measurement of a walker and measurement of a reference walker to be compared with the walker; displaying a first walking model that displays a walking for one walking step of the walker as an animation; displaying a second walking model that displays a walking for one walking step of the reference walker as the animation; and displaying a magnitude of predetermined feature amount data related to the measurement of the walker and the magnitude of predetermined feature amount data related to the measurement of the reference walker in a comparable manner.
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