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: 20240095659Abstract: An information processing apparatus (100) includes a position information acquisition unit (102) that acquires position information of a customer, and an order reception unit (104) that receives an order for product purchase by the customer at a virtual store, when the position information satisfies a criterion.Type: ApplicationFiled: January 13, 2022Publication date: March 21, 2024Applicant: NEC CorporationInventors: Yasufumi Hirakawa, Nobuaki Kawase, Takashi Yasuda
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Publication number: 20240054759Abstract: An information processing apparatus includes at least one memory storing instructions, and at least one processor. The at least one processor is configured to execute the instructions to acquire image data of a predetermined space captured by a camera, generate measurement data including a person-to-person distance between persons included in the image data, set space data about a size of the space, determine whether a state of density of the persons in the space is appropriate or not, based on the measurement data and the space data, and output a determination result.Type: ApplicationFiled: January 19, 2022Publication date: February 15, 2024Applicant: NEC CorporationInventor: Yasufumi Hirakawa
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Publication number: 20240054804Abstract: An image processing apparatus includes at least one memory storing instructions, and at least one processor. The at least one processor is configured to execute the instructions to acquire image data of a predetermined space captured by a camera, set a mask region in the space, identify a person image being an image of a person included in the image data, estimate a body of the person, based on the person image, perform determination on whether the body of the person with respect to the person image is included in the mask region, perform processing of masking the person, based on a result of the determination by a determination means.Type: ApplicationFiled: November 11, 2021Publication date: February 15, 2024Applicant: NEC CorporationInventors: Yasufumi HIRAKAWA, Natsuki YUI
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Publication number: 20240046508Abstract: A determination apparatus includes at least one memory storing instructions, and at least one processor. The at least one processor is configured to execute the instructions to acquire image data of a predetermined space captured by an image capturing device, estimate articulation points of a person in the image data, set a feature element of the person based on the articulation points, determine whether the person is in a reference region set in advance, based on the feature element, output information regarding a determination result of the determination made by the entry determining unit.Type: ApplicationFiled: March 23, 2021Publication date: February 8, 2024Applicant: NEC CorporationInventor: Yasufumi Hirakawa
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Publication number: 20230410621Abstract: 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: September 1, 2023Publication date: December 21, 2023Applicant: NEC CORPORATIONInventor: Yasufumi HIRAKAWA
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Patent number: 11836147Abstract: An information processing apparatus (100) includes: an acquisition unit (110) configured to acquire first time-series data including presence area information in a target space in subjects; a data set generation unit (120) configured to generate a plurality of data sets from presence area information regarding a specific subject; an estimation unit (130) configured to estimate an accuracy of analyzing a distribution regarding the subject in the target space based on presence area information; a determination unit (140) configured to determine a time width of an aggregation target based on the data reduction degree due to the aggregation in each data set and an accuracy of analysis; and an aggregation unit (150) configured to perform aggregation on a data set that corresponds to the determined time width to representative data.Type: GrantFiled: March 25, 2019Date of Patent: December 5, 2023Assignee: NEC CORPORATIONInventors: Yosuke Iwamatsu, Yasufumi Hirakawa
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Patent number: 11830286Abstract: 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 30, 2020Date of Patent: November 28, 2023Assignee: NEC CORPORATIONInventors: Jianquan Liu, Shoji Nishimura, Takuya Araki, Yasufumi Hirakawa
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Publication number: 20230351612Abstract: The video image analysis program causes one or more computers to perform: a process of accepting input specifying a tracking target object; a process of obtaining a first image obtained by cutting out the tracking target object from a video image showing the tracking target object at a first time; a process of obtaining a second image obtained by cutting out the tracking target object from the video image showing the tracking target object at a second time; a process of obtaining a first display image which displays information about time with the first image; a process of obtaining a second display image which displays information about time with the second image; a process of displaying the first display image and the second display image on a display unit.Type: ApplicationFiled: July 6, 2023Publication date: November 2, 2023Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 11783685Abstract: 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: August 31, 2022Date of Patent: October 10, 2023Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Patent number: 11748892Abstract: 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: GrantFiled: April 13, 2021Date of Patent: September 5, 2023Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20230239428Abstract: 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: March 29, 2023Publication date: July 27, 2023Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 11665311Abstract: 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: June 23, 2020Date of Patent: May 30, 2023Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20230114776Abstract: An image recognition system includes a first detection unit, an extracted image generation unit, and a second detection unit. The first detection unit detects a person region showing at least part of a body of a person from a first image where a target object related to the person is captured. The extracted image generation unit cuts out an extracted region defined according to the person region from the first image. The second detection unit detects the target object on the basis of the cutout extracted region.Type: ApplicationFiled: March 27, 2020Publication date: April 13, 2023Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 11587415Abstract: Provided is a data stream allocation system capable of suppressing inequality in processing loads on a plurality of servers and delays in analysis processing at the servers when the servers analyze the objects of analysis using data streams obtained from a plurality of camera systems. The allocation determination unit 4 allocates data streams obtained from a plurality of camera systems to a plurality of servers according to the unevenness in the number of objects in the surveillance region. Then, the distribution unit 5, in accordance with the results of the allocation of the data streams to the plurality of servers, distributes each of the data streams obtained from the camera systems to the server to which the data stream has been allocated.Type: GrantFiled: January 31, 2019Date of Patent: February 21, 2023Assignee: NEC CORPORATIONInventors: Takeshi Arikuma, Takatoshi Kitano, Yasufumi Hirakawa
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Publication number: 20220415145Abstract: 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: August 31, 2022Publication date: December 29, 2022Applicant: NEC CorporationInventor: Yasufumi HIRAKAWA
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Patent number: 11468753Abstract: 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: GrantFiled: May 17, 2021Date of Patent: October 11, 2022Assignee: NEC CORPORATIONInventor: Yasufumi Hirakawa
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Publication number: 20220270460Abstract: 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.Type: ApplicationFiled: July 10, 2020Publication date: August 25, 2022Applicant: NEC CorporationInventors: Jun SAKAI, Masaki KITSUNEZUKA, Toshiki TAKEUCHI, Taichi OHTSUJI, Shoji NISHIMURA, Yasufumi HIRAKAWA
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Publication number: 20220264308Abstract: 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.Type: ApplicationFiled: July 10, 2020Publication date: August 18, 2022Applicant: NEC CorporationInventors: Jun SAKAI, Masaki KITSUNEZUKA, Taichi OHTSUJI, Toshiki TAKEUCHI, Shoji NISHIMURA, Yasufumi HIRAKAWA
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Publication number: 20220156261Abstract: An information processing apparatus (100) includes: an acquisition unit (110) configured to acquire first time-series data including presence area information in a target space in subjects; a data set generation unit (120) configured to generate a plurality of data sets from presence area information regarding a specific subject; an estimation unit (130) configured to estimate an accuracy of analyzing a distribution regarding the subject in the target space based on presence area information; a determination unit (140) configured to determine a time width of an aggregation target based on the data reduction degree due to the aggregation in each data set and an accuracy of analysis; and an aggregation unit (150) configured to perform aggregation on a data set that corresponds to the determined time width to representative data.Type: ApplicationFiled: March 25, 2019Publication date: May 19, 2022Applicant: NEC CorporationInventors: Yosuke IWAMATSU, Yasufumi HIRAKAWA
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Publication number: 20220148395Abstract: Provided is a data stream allocation system capable of suppressing inequality in processing loads on a plurality of servers and delays in analysis processing at the servers when the servers analyze the objects of analysis using data streams obtained from a plurality of camera systems. The allocation determination unit 4 allocates data streams obtained from a plurality of camera systems to a plurality of servers according to the unevenness in the number of objects in the surveillance region. Then, the distribution unit 5, in accordance with the results of the allocation of the data streams to the plurality of servers, distributes each of the data streams obtained from the camera systems to the server to which the data stream has been allocated.Type: ApplicationFiled: January 31, 2019Publication date: May 12, 2022Applicant: NEC CorporationInventors: Takeshi ARIKUMA, Takatoshi KITANO, Yasufumi HIRAKAWA