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    Object detection device, learning method, and recording medium
    1.
    发明授权
    Object detection device, learning method, and recording medium 有权

    公开(公告)号：US12112518B2

    公开(公告)日：2024-10-08

    申请号：US17768923

    申请日：2019-11-08

    申请人： NEC Corporation

    发明人： Katsuhiko Takahashi ,  Yuichi Nakatani ,  Tetsuo Inoshita ,  Asuka Ishii ,  Gaku Nakano

    IPC分类号： G06V10/75

    CPC分类号： G06V10/759

    摘要： In the object detection device, the plurality of object detection units output a score indicating a probability that a predetermined object exists, for each partial region set with respect to image data inputted. The weight computation unit computes a weight for each of the plurality of object detection units by using weight computation parameters and based on the image data. The weights are used when the scores outputted by the plurality of object detection units are merged. The weight redistribution unit changes the weight for a predetermined object detection unit, among the weights computed by the weight computation unit, to 0 and output the weights. The merging unit merges the scores outputted by the plurality of object detection units for each of the partial regions, by using the weights computed by the weight computation unit and including the weight changed by the weight redistribution unit. The loss computation unit computes a difference between a ground truth label of the image data and the merged score merged by the merging unit as a loss. Then, the parameter correction unit corrects the weight computation parameters so as to reduce the loss.

    Driving support device, driving support method, and recording medium storing driving support program
    3.
    发明授权
    Driving support device, driving support method, and recording medium storing driving support program 有权

    公开(公告)号：US09651393B2

    公开(公告)日：2017-05-16

    申请号：US14759719

    申请日：2014-01-27

    申请人： NEC Corporation

    发明人： Katsuhiko Takahashi

    IPC分类号： G01C21/00 ,  G01C21/36 ,  G06K9/00 ,  B60W50/14

    CPC分类号： G01C21/3602 ,  B60W50/14 ,  B60W2050/146 ,  B60W2550/22 ,  G06K9/00818

    摘要： To provide a driving support device that, when a vehicle approaches signs arranged in the vicinity of a plurality of roads, provides information of a sign that targets at a road on which the vehicle travels, and suppresses provision of information of a sign that does not target at the road on which the vehicle travels.The driving support device of the present invention includes: sign recognition means for detecting a sign from a video acquired from an imaging device mounted to a vehicle that travels on a road, and recognizing information represented by a detected sign that is the sign detected and a first relative position that is a relative position of the detected sign to the road; map data storage means for storing a second relative position that is a relative position of the sign to the road; sign position determination means for determining conformity of the detected sign and a map sign that is the sign whose second relative position the map data storage means stores by determining if the second relative position and the first relative position conform; and output means for outputting the information that the detected sign represents, when it is determined that the detected sign and the map sign conform.

    Surveillance system, surveillance method, and program
    4.
    发明授权
    Surveillance system, surveillance method, and program 有权

    公开(公告)号：US10972706B2

    公开(公告)日：2021-04-06

    申请号：US15754378

    申请日：2016-08-16

    申请人： NEC CORPORATION

    发明人： Ryoma Oami ,  Katsuhiko Takahashi ,  Yuusuke Konishi ,  Hiroo Ikeda ,  Junko Nakagawa ,  Kosuke Yoshimi ,  Yukie Ebiyama ,  Ryo Kawai ,  Takuya Ogawa

    IPC分类号： H04N7/18 ,  G08B25/10 ,  H04M11/00 ,  G08B21/22 ,  G06Q10/06 ,  G08B25/04

    摘要： A surveillance system (1) includes an area information acquisition unit (101), a position information acquisition unit (102), a candidate determination unit (103), and a notification unit (104). The area information acquisition unit (101) acquires information of a surveillance-desired area. The position information acquisition unit (102) acquires pieces of position information of a plurality of portable terminals (20), each portable terminal performing surveillance using an image capturing unit. The candidate determination unit (103) determines a candidate portable terminal (20) to be moved to the surveillance-desired area from among the plurality of portable terminals (20) based on the acquired pieces of position information of the plurality of portable terminals (20). The notification unit (104) outputs a notification to the candidate portable terminal requesting to move to the surveillance-desired area.

    DRIVING SUPPORT DEVICE, DRIVING SUPPORT METHOD, AND RECORDING MEDIUM STORING DRIVING SUPPORT PROGRAM
    7.
    发明申请
    DRIVING SUPPORT DEVICE, DRIVING SUPPORT METHOD, AND RECORDING MEDIUM STORING DRIVING SUPPORT PROGRAM 有权
    驱动支持设备，驱动支持方法和记录媒体存储驱动支持程序

    公开(公告)号：US20150345974A1

    公开(公告)日：2015-12-03

    申请号：US14759719

    申请日：2014-01-27

    申请人： NEC CORPORATION

    发明人： Katsuhiko Takahashi

    IPC分类号： G01C21/36 ,  G06K9/00

    CPC分类号： G01C21/3602 ,  B60W50/14 ,  B60W2050/146 ,  B60W2550/22 ,  G06K9/00818

    摘要： To provide a driving support device that, when a vehicle approaches signs arranged in the vicinity of a plurality of roads, provides information of a sign that targets at a road on which the vehicle travels, and suppresses provision of information of a sign that does not target at the road on which the vehicle travels.The driving support device of the present invention includes: sign recognition means for detecting a sign from a video acquired from an imaging device mounted to a vehicle that travels on a road, and recognizing information represented by a detected sign that is the sign detected and a first relative position that is a relative position of the detected sign to the road; map data storage means for storing a second relative position that is a relative position of the sign to the road; sign position determination means for determining conformity of the detected sign and a map sign that is the sign whose second relative position the map data storage means stores by determining if the second relative position and the first relative position conform; and output means for outputting the information that the detected sign represents, when it is determined that the detected sign and the map sign conform.

    摘要翻译： 提供一种驾驶辅助装置，当车辆接近布置在多个道路附近的标志时，提供目标在车辆行驶的道路上的标志的信息，并且禁止提供不是的道路的信息 目标在车辆行驶的道路上。 本发明的驾驶辅助装置包括：符号识别装置，用于检测从安装在在道路上行驶的车辆的成像装置获取的视频中的符号，以及识别由检测到的符号表示的信息，以及检测到的符号 第一相对位置是检测到的标志相对于道路的相对位置; 地图数据存储装置，用于存储作为所述标志相对于道路的相对位置的第二相对位置; 符号位置确定装置，用于通过确定第二相对位置和第一相对位置是否一致来确定检测到的符号与作为地图数据存储装置存储的第二相对位置的符号的地图符号的一致性; 以及当确定检测到的符号和地图符号一致时，输出用于输出检测到的符号表示的信息的输出装置。

    Information processing apparatus, information processing method, and program
    9.
    发明授权
    Information processing apparatus, information processing method, and program 有权

    公开(公告)号：US11763561B2

    公开(公告)日：2023-09-19

    申请号：US17414015

    申请日：2018-12-26

    申请人： NEC Corporation

    发明人： Katsuhiko Takahashi

    IPC分类号： G06V20/40 ,  G06F18/40 ,  G06F18/21

    CPC分类号： G06V20/41 ,  G06F18/217 ,  G06F18/40 ,  G06V20/44

    摘要： An information processing apparatus (10) includes an event detection unit (110), an input reception unit (120), and a processing execution unit (130). The event detection unit (110) detects a specific event from video data. The input reception unit (120) receives, from a user, input for specifying processing to be executed. The processing execution unit (103) executes first processing specified by input received by the input reception unit (120), and executes second processing of generating learning data used for machine learning and storing the generated learning data in a learning data storage unit (40). The processing execution unit (130) discriminates, in the second processing, based on a classification of the first processing specified by input received by the input reception unit (120), whether a detection result of a specific event is correct, and generates learning data including at least a part of video data, category information indicating a category of a specific event detected by the event detection unit (110), and correct/incorrect information indicating whether a detection result of an specific event is correct or incorrect.

    Object detection device, object detection system, object detection method, and recording medium having program recorded thereon
    10.
    发明授权
    Object detection device, object detection system, object detection method, and recording medium having program recorded thereon 有权

    公开(公告)号：US11341762B2

    公开(公告)日：2022-05-24

    申请号：US17058796

    申请日：2018-05-29

    申请人： NEC Corporation

    发明人： Takashi Shibata ,  Azusa Sawada ,  Katsuhiko Takahashi

    IPC分类号： G06V40/10 ,  G06T3/20 ,  G06V10/40

    摘要： The purpose of the present invention is to detect an object in images accurately by means of image recognition without using a special device for removing the influence of the parallax between a plurality of images. An image transformation unit (401) transforms a plurality of images acquired by an image acquisition unit (407). A reliability level calculation unit (402) calculates a level of reliability representing how small the misalignment between images is. A score calculation unit (405) calculates a total score taking into account both an object detection score based on a feature quantity calculated by a feature extraction unit (404), and the level of reliability calculated by the reliability level calculation unit (402). An object detection unit (406) detects an object in the images on the basis of the total score.