Patents by Inventor Yasufumi Hirakawa
Yasufumi Hirakawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220028107Abstract: Provided is an analysis apparatus (10) including a person extraction unit (11) that analyzes video data to extract a person, a time calculation unit (12) that calculates a continuous appearance time period for which the extracted person has been continuously present in a predetermined area and a reappearance time interval until the extracted person reappears in the predetermined area for each extracted person, and an inference unit (13) that infers a characteristic of the extracted person on the basis of the continuous appearance time period and the reappearance time interval.Type: ApplicationFiled: October 8, 2021Publication date: January 27, 2022Applicant: NEC CorporationInventors: Yasufumi Hirakawa, Jianquan Liu, Shoji Nishimura, Takuya Araki
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Patent number: 11176698Abstract: Provided is an analysis apparatus (10) including a person extraction unit (11) that analyzes video data to extract a person, a time calculation unit (12) that calculates a continuous appearance time period for which the extracted person has been continuously present in a predetermined area and a reappearance time interval until the extracted person reappears in the predetermined area for each extracted person, and an inference unit (13) that infers a characteristic of the extracted person on the basis of the continuous appearance time period and the reappearance time interval.Type: GrantFiled: February 13, 2017Date of Patent: November 16, 2021Assignee: NEC CORPORATIONInventors: Yasufumi Hirakawa, Jianquan Liu, Shoji Nishimura, Takuya Araki
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Publication number: 20210280026Abstract: The conventional image surveillance technologies relevant to the present invention had the potential of failing in detect ion due to the intrusion duration time being set too long and thereby allowing an intruder to pass a warning line before the preset intrusion duration had elapsed. The intrusion detection device according to the present invention is provided with: a detect ion means that detects, in an image, an intrusion position in a specific region by an object that has intruded into the specific region; and a control means that associates the intrusion position with a prescribed time period, wherein the detection means outputs an alert when the object, in the image, has stayed in the specific region for the prescribed time period or longer.Type: ApplicationFiled: May 17, 2021Publication date: September 9, 2021Applicant: NEC CorporationInventor: Yasufumi Hirakawa
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Patent number: 11094076Abstract: Provided is an analysis apparatus (10) including a person extraction unit (11) that analyzes video data to extract a person, a time calculation unit (12) that calculates a continuous appearance time period for which the extracted person has been continuously present in a predetermined area and a reappearance time interval until the extracted person reappears in the predetermined area for each extracted person, and an inference unit (13) that infers a characteristic of the extracted person on the basis of the continuous appearance time period and the reappearance time interval.Type: GrantFiled: January 28, 2019Date of Patent: August 17, 2021Assignee: NEC CORPORATIONInventors: Yasufumi Hirakawa, Jianquan Liu, Shoji Nishimura, Takuya Araki
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Publication number: 20210233254Abstract: A video image processing device comprises at least one memory configured to store instructions and, at least one processor configured to execute the instructions. The at least one processor controls to display a trajectory indicating a change in a position of an object in a video image. The at least one processor controls to display an image of the object corresponding to a vicinity of the trajectory in the video image around a part of the trajectory.Type: ApplicationFiled: April 13, 2021Publication date: July 29, 2021Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 11049376Abstract: A setting assistance device includes an acquisition unit, a calculation unit and a determination unit. The acquisition unit acquires coordinates designated by a user for an image capturing a three-dimensional space. The calculation unit calculates coordinates of a position located at a predetermined distance from a position of a part of the three-dimensional space relating to the acquired coordinates. The determination unit determines a region set for the acquired coordinates based on the calculated coordinates.Type: GrantFiled: December 16, 2016Date of Patent: June 29, 2021Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20210073515Abstract: A data processing apparatus (1) of the present invention includes a unit that retrieves a predetermined subject from moving image data. The data processing apparatus includes a person extraction unit (10) that analyzes moving image data to be analyzed and extracts a person whose appearance frequency in the moving image data to be analyzed satisfies a predetermined condition among persons detected in the moving image data to be analyzed, and an output unit (20) that outputs information regarding the extracted person.Type: ApplicationFiled: October 30, 2020Publication date: March 11, 2021Applicant: NEC CORPORATIONInventors: Jianquan LIU, Shoji NISHIMURA, Takuya ARAKI, Yasufumi HIRAKAWA
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Publication number: 20210014451Abstract: A video processing system includes: an object movement information acquiring means for detecting a moving object moving in a plurality of segment regions from video data obtained by shooting a monitoring target area, and acquiring movement segment region information as object movement information, the movement segment region information representing segment regions where the detected moving object has moved; an object movement information and video data storing means for storing the object movement information in association with the video data corresponding to the object movement information; a retrieval condition inputting means for inputting a sequence of the segment regions as a retrieval condition; and a video data retrieving means for retrieving the object movement information in accordance with the retrieval condition and outputting video data stored in association with the retrieved object movement information, the object movement information being stored by the object movement information and video dType: ApplicationFiled: June 23, 2020Publication date: January 14, 2021Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 10867162Abstract: A data processing apparatus (1) of the present invention includes a unit that retrieves a predetermined subject from moving image data. The data processing apparatus includes a person extraction unit (10) that analyzes moving image data to be analyzed and extracts a person whose appearance frequency in the moving image data to be analyzed satisfies a predetermined condition among persons detected in the moving image data to be analyzed, and an output unit (20) that outputs information regarding the extracted person.Type: GrantFiled: October 25, 2016Date of Patent: December 15, 2020Assignee: NEC CORPORATIONInventors: Jianquan Liu, Shoji Nishimura, Takuya Araki, Yasufumi Hirakawa
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Patent number: 10846865Abstract: A video image processing device according to the present invention includes a display control means (501) that causes a display unit to display a trajectory indicating a change in the position of an object in a video image. The display control means (501) makes the display mode of a part of the trajectory differ from another part or attach information indicating an analysis result or an elapsed time to the vicinity of a part of the trajectory, in accordance with a feature of the object shown in the analysis result obtained as a result of analysis of the video image, a feature of another object related to the object shown in the analysis result, or the time elapsed since a predetermined time.Type: GrantFiled: February 21, 2018Date of Patent: November 24, 2020Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Patent number: 10832541Abstract: A setting assistance device includes an acquisition unit, a calculation unit and a determination unit. The acquisition unit acquires coordinates designated by a user for an image capturing a three-dimensional space. The calculation unit calculates coordinates of a position located at a predetermined distance from a position of a part of the three-dimensional space relating to the acquired coordinates. The determination unit determines a region set for the acquired coordinates based on the calculated coordinates.Type: GrantFiled: March 5, 2019Date of Patent: November 10, 2020Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20200184483Abstract: 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.Type: ApplicationFiled: July 27, 2017Publication date: June 11, 2020Applicant: NEC CORPORATIONInventors: Jianquan LIU, Shoji NISHIMURA, Yasufumi HIRAKAWA
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Publication number: 20200051176Abstract: According to the present invention, an analysis system (10) including a generation unit (11) that generates frequency data indicating a temporal change in an occurrence frequency of a predetermined event for each processing object, and an extraction unit (12) that extracts the processing object having a first feature appearing in the frequency data as a possible abnormal object is provided.Type: ApplicationFiled: November 29, 2017Publication date: February 13, 2020Applicant: NEC CorporationInventors: Jianquan LIU, Shoji NISHIMURA, Yasufumi HIRAKAWA
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Publication number: 20190392589Abstract: A video image processing device according to the present invention includes a display control means (501) that causes a display unit to display a trajectory indicating a change in the position of an object in a video image. The display control means (501) makes the display mode of a part of the trajectory differ from another part or attach information indicating an analysis result or an elapsed time to the vicinity of a part of the trajectory, in accordance with a feature of the object shown in the analysis result obtained as a result of analysis of the video image, a feature of another object related to the object shown in the analysis result, or the time elapsed since a predetermined time.Type: ApplicationFiled: February 21, 2018Publication date: December 26, 2019Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Publication number: 20190378279Abstract: A video image processing device according to the present invention includes a display control means (501) that causes a display unit to display a trajectory indicating a change in a position of an object in a video image. The display control means (501) acquires a first request designating a point in the trajectory being displayed, and displays a designated image including the object which it was located at the designated point by superimposing it on an arbitrary background image being displayed on the display unit.Type: ApplicationFiled: February 21, 2018Publication date: December 12, 2019Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Publication number: 20190370531Abstract: A data processing apparatus (1) of the present invention includes a unit that retrieves a predetermined subject from moving image data. The data processing apparatus includes a person extraction unit (10) that analyzes moving image data to be analyzed and extracts a person whose appearance frequency in the moving image data to be analyzed satisfies a predetermined condition among persons detected in the moving image data to be analyzed, and an output unit (20) that outputs information regarding the extracted person.Type: ApplicationFiled: August 20, 2019Publication date: December 5, 2019Applicant: NEC CORPORATIONInventors: Jianquan Liu, Shoji Nishimura, Takuya Araki, Yasufumi Hirakawa
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Publication number: 20190306455Abstract: A video processing system includes: an object movement information acquiring means for detecting a moving object moving in a plurality of segment regions from video data obtained by shooting a monitoring target area, and acquiring movement segment region information as object movement information, the movement segment region information representing segment regions where the detected moving object has moved; an object movement information and video data storing means for storing the object movement information in association with the video data corresponding to the object movement information; a retrieval condition inputting means for inputting a sequence of the segment regions as a retrieval condition; and a video data retrieving means for retrieving the object movement information in accordance with the retrieval condition and outputting video data stored in association with the retrieved object movement information, the object movement information being stored by the object movement information and video dType: ApplicationFiled: June 18, 2019Publication date: October 3, 2019Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Publication number: 20190306454Abstract: A video processing system includes: an object movement information acquiring means for detecting a moving object moving in a plurality of segment regions from video data obtained by shooting a monitoring target area, and acquiring movement segment region information as object movement information, the movement segment region information representing segment regions where the detected moving object has moved; an object movement information and video data storing means for storing the object movement information in association with the video data corresponding to the object movement information; a retrieval condition inputting means for inputting a sequence of the segment regions as a retrieval condition; and a video data retrieving means for retrieving the object movement information in accordance with the retrieval condition and outputting video data stored in association with the retrieved object movement information, the object movement information being stored by the object movement information and video dType: ApplicationFiled: June 18, 2019Publication date: October 3, 2019Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 10389969Abstract: A video processing system includes: an object movement information acquiring means for detecting a moving object moving in a plurality of segment regions from video data obtained by shooting a monitoring target area, and acquiring movement segment region information as object movement information, the movement segment region information representing segment regions where the detected moving object has moved; an object movement information and video data storing means for storing the object movement information in association with the video data corresponding to the object movement information; a retrieval condition inputting means for inputting a sequence of the segment regions as a retrieval condition; and a video data retrieving means for retrieving the object movement information in accordance with the retrieval condition and outputting video data stored in association with the retrieved object movement information, the object movement information being stored by the object movement information and video dType: GrantFiled: February 5, 2015Date of Patent: August 20, 2019Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20190206209Abstract: A setting assistance device includes an acquisition unit, a calculation unit and a determination unit. The acquisition unit acquires coordinates designated by a user for an image capturing a three-dimensional space. The calculation unit calculates coordinates of a position located at a predetermined distance from a position of a part of the three-dimensional space relating to the acquired coordinates. The determination unit determines a region set for the acquired coordinates based on the calculated coordinates.Type: ApplicationFiled: March 5, 2019Publication date: July 4, 2019Applicant: NEC CORPORATIONInventor: Yasufumi HIRAKAWA