公开(公告)号：US20200218772A1

公开(公告)日：2020-07-09

申请号：US16630094

申请日：2018-06-28

Applicant: NEC CORPORATION

Inventor： Wen ZHANG ,  Masahiro TANI

IPC: G06F16/9535 ,  G06K9/00 ,  G06F21/31

Abstract: According to the first aspect, there is provided a method, by a server, for dynamically identifying a user of an account for posting images, comprising: determining, by the server, if images posted in the account of the user includes an image capturing device; extracting, by the server, a characteristic of the image of the image capturing device when it is determined that the images in the account includes the image capturing device; and identifying, by the server, an image capturing device of the user in response to the extraction of the characteristic of the image of the image capturing device.

公开(公告)号：US20230394833A1

公开(公告)日：2023-12-07

申请号：US18237276

申请日：2023-08-23

Applicant: NEC Corporation

Inventor： Hui Lam ONG ,  Satoshi YAMAZAKI ,  Wen ZHANG

IPC: G06V20/52 ,  G06V10/20 ,  G06V20/64

CPC classification number: G06V20/52 ,  G06V20/647 ,  G06V10/255

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

公开(公告)号：US20220148314A1

公开(公告)日：2022-05-12

申请号：US17439072

申请日：2020-03-24

Applicant: NEC Corporation

Inventor： Hui Lam ONG ,  Satoshi YAMAZAKI ,  Wen ZHANG

IPC: G06V20/52 ,  G06V20/64 ,  G06V10/20

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

公开(公告)号：US20230394832A1

公开(公告)日：2023-12-07

申请号：US18237270

申请日：2023-08-23

Applicant: NEC Corporation

Inventor： Hui Lam ONG ,  Satoshi YAMAZAKI ,  Wen ZHANG

IPC: G06V20/52 ,  G06V10/20 ,  G06V20/64

CPC classification number: G06V20/52 ,  G06V10/255 ,  G06V20/647

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

公开(公告)号：US20210027202A1

公开(公告)日：2021-01-28

申请号：US17042465

申请日：2019-03-11

Applicant: NEC CORPORATION

Inventor： Arun Kumar CHANDRAN ,  Wen ZHANG ,  Yusuke TAKAHASHI

IPC: G06N20/00 ,  G06Q30/02 ,  G06Q10/06 ,  G06N5/04

Abstract: Methods and systems for performance modeling of crowd estimation techniques are provided. The system for modeling of crowd estimation techniques includes one or more crowd estimation modules for estimating a crowd count of a crowd in an image and a performance modeling module for each of the one or more crowd estimation modules. The performance modeling module determines a plurality of performances of the corresponding crowd estimation technique at a plurality of crowd levels and models a performance of the crowd estimation technique in response to the plurality of performances of the crowd estimation techniques

公开(公告)号：US20210012506A1

公开(公告)日：2021-01-14

申请号：US16980726

申请日：2019-02-27

Applicant: NEC CORPORATION

Inventor： Arun Kumar CHANDRAN ,  Wen ZHANG ,  Yusuke TAKAHASHI

IPC: G06T7/11 ,  G06T7/77

Abstract: Methods and systems for crowd level estimation are provided. The system includes a plurality of performance modeling modules (206), an input module (202) and a crowd estimation technique integration module. The plurality of performance modeling modules (206) performance model each of a plurality of crowd estimation techniques based on an accuracy thereof at different crowd levels and/or at different locations. The input module (202) receives an image of a crowd. The crowd estimation technique integration module (208) selects one or more of the plurality of crowd estimation techniques in response to the performance modeling of the one or more of the plurality of crowd estimation techniques and an estimated crowd level and/or an estimated location. The crowd estimation technique integration module (208) then estimates a crowd count of the crowd in the received image in accordance with the selected one or more of the plurality of crowd estimation techniques.

公开(公告)号：US20230394834A1

公开(公告)日：2023-12-07

申请号：US18237286

申请日：2023-08-23

Applicant: NEC Corporation

Inventor： Hui Lam ONG ,  Satoshi YAMAZAKI ,  Wen ZHANG

IPC: G06V20/52 ,  G06V10/20 ,  G06V20/64

CPC classification number: G06V20/52 ,  G06V10/255 ,  G06V20/647

Abstract: Methods, systems and computer readable medium for object detection coverage estimation are provided. The system for object detection coverage estimation includes a camera and a processing means. The processing means is coupled to the camera to receive image data acquired by the camera, the image data including a detected object. The processing means is configured to determine a spatial coverage of the detected object based on detected object metadata associated with the detected object in the image data received from the camera.

公开(公告)号：US20210049369A1

公开(公告)日：2021-02-18

申请号：US16968640

申请日：2019-03-08

Applicant: NEC Corporation

Inventor： Wen ZHANG ,  Arun Kumar CHANDRAN ,  Hui Lam ONG

IPC: G06K9/00

Abstract: The present disclosure relates to methods and systems for identifying an individual in a crowd. The method comprises the steps of capturing a plurality of crowd-viewing images using multiple image-capturing devices. For each image, a reference point within a facial contour of a person in the image is selected. The reference point is selected based on a facial feature on the facial contour of the person. The method further comprises the step of processing the image to obtain one or more angular measurements associated with a posture displayed by the person in the image. Based on the obtained angular measurements, location data of a predetermined body point of the person relative to the reference point is extracted.

公开(公告)号：US20210027069A1

公开(公告)日：2021-01-28

申请号：US17042474

申请日：2019-02-27

Applicant: NEC CORPORATION

Inventor： Arun Kumar CHANDRAN ,  Wen ZHANG ,  Yusuke TAKAHASHI

IPC: G06K9/00 ,  G06K9/32 ,  G06K9/46 ,  G06K9/62

Abstract: Methods and systems for crowd level estimation are provided. The system for crowd level estimation includes an input module and a crowd level estimation module. The input module receives an input image of a crowd and the crowd level estimation module estimates a crowd level of the crowd in the input image in response to a crowd density level.