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1.发明公开公开(公告)号：US20230215135A1
公开(公告)日：2023-07-06
申请号：US18009160
申请日：2020-06-10
Applicant: NEC Corporation
Inventor： Ryo KAWAI , Noboru YOSHIDA , Yadong PAN , Shoji NISHIMURA , Jianquan LIU
CPC classification number: G06V10/761 , G06V40/10 , G06V10/945 , G06V10/86 , G06F16/5866 , G06F16/535 , G06V20/50
Abstract: The present invention provides an image processing apparatus (100) including an image acquisition unit (101) that acquires a query image, based on an input keyword, a skeleton structure detection unit (102) that detects a two-dimensional skeleton structure of a person included in the query image, a feature value computation unit (103) that computes a feature value of the detected two-dimensional skeleton structure, and a search unit (105) that searches, based on a degree of similarity of the computed feature value, for an analysis target image including a person in a state similar to a state of a person included in the query image from the analysis target image.
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2.发明公开公开(公告)号：US20230186635A1
公开(公告)日：2023-06-15
申请号：US17925660
申请日：2020-05-25
Applicant: NEC Corporation
Inventor： Shoji NISHIMURA
IPC: G06V20/52 , G06T11/20 , G06F3/0482
CPC classification number: G06V20/52 , G06T11/203 , G06F3/0482
Abstract: A flow line display apparatus (10) includes an acquisition unit (110) and a display processing unit (120). The acquisition unit (110) acquires at least one piece of flow line information. The flow line information includes a flow line of a person, and action information indicating an action performed when the person moves along the flow line and a location where the action is performed. The flow line information is generated with respect to each person. The display processing unit (120) displays, on a display unit (130), a flow line indicated by flow line information, action content information indicating an action indicated by action information, and action location information indicating a location where the action is performed.
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公开(公告)号：US20220270460A1
公开(公告)日：2022-08-25
申请号：US17625412
申请日：2020-07-10
Applicant: NEC Corporation
Inventor： Jun SAKAI , Masaki KITSUNEZUKA , Toshiki TAKEUCHI , Taichi OHTSUJI , Shoji NISHIMURA , Yasufumi HIRAKAWA
Abstract: A wireless terminal detection system provided with user position information acquisition means for measuring a position of a reception-side wireless terminal; pattern classification means for classifying movement patterns extracted from position history information of the reception-side wireless terminal into ordinary patterns and non-ordinary patterns based on classification results in which the movement patterns are classified in accordance with times and positions; and determination means for determining whether a transmission-side wireless terminal, which is a transmission source of radio waves received by the reception-side wireless terminal, is a suspicious terminal based on a reception history of radio waves from the transmission-side wireless terminal in time intervals classified as the non-ordinary patterns.
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公开(公告)号：US20220264308A1
公开(公告)日：2022-08-18
申请号：US17625420
申请日：2020-07-10
Applicant: NEC Corporation
Inventor： Jun SAKAI , Masaki KITSUNEZUKA , Taichi OHTSUJI , Toshiki TAKEUCHI , Shoji NISHIMURA , Yasufumi HIRAKAWA
IPC: H04W12/122 , H04W12/63 , H04W24/10 , H04W12/69
Abstract: A wireless terminal detection system provided with a radio wave identification unit that extracts identification information in accordance with the wireless terminals that are transmission sources; a radio wave intensity measurement unit that measures radio wave intensities of the radio waves; a distance estimation unit that estimates an attenuation rate of the radio wave intensities with respect to distance based on a number of the wireless terminals, and that estimates distances to the individual wireless terminals based on the estimated attenuation rate; and a notification unit that notifies a user that a suspicious wireless terminal has been detected if, based on the identification information, a wireless terminal among the radio wave transmission sources is determined to be registered as a suspicious wireless terminal, and the estimated distance to the wireless terminal among the radio wave transmission sources is not more than a prescribed distance.
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公开(公告)号：US20200184483A1
公开(公告)日：2020-06-11
申请号：US16342298
申请日：2017-07-27
Applicant: NEC CORPORATION
Inventor： Jianquan LIU , Shoji NISHIMURA , Yasufumi HIRAKAWA
Abstract: An acquisition unit (2020) acquires a combination of person information and transaction information for a first transaction. The person information is information representing a person who executes a transaction. The transaction information is various kinds of information regarding the transaction. A storage device (10) stores transaction information of each transaction. Using the person information of the first transaction acquired by the acquisition unit (2020), a detection unit (2040) acquires transaction information of a transaction (second transaction), which is executed by a person having a high degree of similarity with a person who executes the first transaction, from the storage device (10). The detection unit (2040) detects an abnormal transaction using the transaction information of the first transaction and the transaction information of the second transaction.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230161815A1
公开(公告)日：2023-05-25
申请号：US17922826
申请日：2020-05-14
Applicant: NEC Corporation
Inventor： Noboru YOSHIDA , Yadong PAN , Ryo KAWAI , Jianquan LIU , Shoji NISHIMURA
IPC: G06F16/732 , G06V20/40 , G06V20/52
CPC classification number: G06F16/7328 , G06V20/41 , G06V20/48 , G06V20/52 , G06V10/945
Abstract: A query acquisition unit (610) acquires a query video. A query frame selection unit (620) selects a plurality of query frames from among a plurality of first frame images included in the query video. A video selection unit (630) selects a video by using the plurality of query frames. At this time, the video selection unit (630) uses references (1) and (2) below as a condition for selecting the video.
Reference (1) A condition that a “similar frame image whose degree of similarity to a query frame satisfies a first reference is present” is satisfied for at least two query frames.
Reference (2) When query frames associated with each of at least two similar frame images are arranged in the same order as that of the at least two similar frame images, the arrangement order coincides with an arrangement order of at least two query frames in a query video.-
公开(公告)号：US20220383653A1
公开(公告)日：2022-12-01
申请号：US17769793
申请日：2019-10-31
Applicant: NEC Corporation
Inventor： Noboru YOSHIDA , Shoji NISHIMURA
IPC: G06V40/10 , G06V40/20 , G06V10/74 , G06V10/764 , G06F16/538
Abstract: An image processing apparatus (10) according to the present disclosure includes: a skeleton detection unit (11) configured to detect two-dimensional skeleton structures of a plurality of persons based on an acquired two-dimensional image; a feature calculation unit (12) configured to calculate features of the plurality of two-dimensional skeleton structures that have been detected by the skeleton detection unit (11); and a recognition unit (13) configured to perform processing of recognizing states of the plurality of persons based on a degree of similarity among the plurality of features that have been calculated by the feature calculation unit (12).
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8.发明申请公开(公告)号：US20220277482A1
公开(公告)日：2022-09-01
申请号：US17627903
申请日：2019-07-22
Applicant: NEC Corporation
Inventor： Yadong PAN , Shoji NISHIMURA
Abstract: A basic pattern extracting unit (15) extracts a “basic pattern” for each human from detection points acquired by an acquiring unit (11). The “basic pattern” includes a “reference body region point” corresponding to a “reference body region type”, and base body region points corresponding to base body region types that are different from the reference body region type and that are different from each other. For example, the “basic pattern” includes at least one of the following two combinations. A first combination is a combination of the reference body region point corresponding to a neck as the reference body region type and two base body region points respectively corresponding to a left shoulder and a left ear as the base body region type. A second combination is a combination of body region points corresponding to a neck, a right shoulder and a right ear.
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公开(公告)号：US20220084315A1
公开(公告)日：2022-03-17
申请号：US17423348
申请日：2019-01-18
Applicant: NEC Corporation
Inventor： Muneaki ONOZATO , Satoshi TERASAWA , Shoji NISHIMURA , Ryo KAWAI
Abstract: An information processing device according to the present invention includes a person extraction means that extracts a person in a captured image, a correlation detection means that detects a correlation between a plurality of persons based on the captured image, and a display control means that controls to display correlation information representing the correlation between the plurality of persons together with a person image corresponding to the person in the captured image.
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公开(公告)号：US20210158071A1
公开(公告)日：2021-05-27
申请号：US16960225
申请日：2019-01-08
Applicant: NEC Corporation
Inventor： Satoshi YOSHIDA , Shoji NISHIMURA , Jianquan LIU
Abstract: Provided is a match determination device that efficiently specifies the same analysis target from a plurality of pieces of sensing information. The present invention specifies a selected feature quantity that has been selected from one or more feature quantities for analysis targets that are included in analysis groups and, on the basis of a combination of selected feature quantities from different analysis groups, evaluates whether there are matching analysis targets between a plurality of analysis groups. When the evaluation indicates that there are matching analysis targets between analysis groups, the present invention specifies that analysis targets in the different analysis groups are the same target.
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