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    IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM
    82.
    发明申请
    IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM 有权

    公开(公告)号：US20230059407A1

    公开(公告)日：2023-02-23

    申请号：US17795678

    申请日：2020-02-13

    Applicant: NEC Corporation

    Inventor： Takahiro Toizumi ,  Masato Tsukada ,  Chisato Funayama

    IPC: H04N1/46 ,  G06T7/90 ,  G06V10/74

    Abstract: An image processing system according to the present disclosure includes: an image acquisition unit configured to acquire a monochrome image of a subject including a target part; a hint acquisition unit configured to acquire a category of the target part and a first color hint indicating a color of the target part; a hint conversion unit configured to convert the first color hint into a second color hint indicating the color of the target part based on the acquired category; and a colorization generation unit configured to generate a colorized image corresponding to the monochrome image from the monochrome image and the second color hint of the target part by using a prediction model trained by machine learning.

    Iris authentication device, iris authentication method and recording medium
    83.
    发明授权
    Iris authentication device, iris authentication method and recording medium 有权

    公开(公告)号：US11568681B2

    公开(公告)日：2023-01-31

    申请号：US17278719

    申请日：2018-09-27

    Applicant: NEC Corporation

    Inventor： Takashi Shibata ,  Shoji Yachida ,  Chisato Funayama ,  Masato Tsukada ,  Yuka Ogino ,  Keiichi Chono ,  Emi Kitagawa ,  Yasuhiko Yoshida ,  Yusuke Mori

    IPC: G06K9/00 ,  G06V40/18 ,  G06V40/16 ,  G06V40/19 ,  G06V40/70 ,  G06V40/20

    Abstract: The disclosure is inputting a first image obtained by capturing an object of authentication moving in a specific direction; inputting a second image at least for one eye obtained by capturing a right eye or a left eye of the object; determining whether the second image is of the left eye or the right eye of the object, based on information including the first image, and outputting a determination result associated with the second image as left/right information; comparing characteristic information relevant to the left/right information, the characteristic information being acquired from a memory that stores the characteristic information of a right eye and a left eye pertaining to object to be authenticated, with characteristic information associated with the left/right information, and calculating a verification score; and authenticating the object captured in the first image and the second image, based on the verification score, and outputting an authentication result.

    AUTHENTICATION DEVICE, AUTHENTICATION METHOD, AND RECORDING MEDIUM
    85.
    发明申请
    AUTHENTICATION DEVICE, AUTHENTICATION METHOD, AND RECORDING MEDIUM 有权

    公开(公告)号：US20220189213A1

    公开(公告)日：2022-06-16

    申请号：US17682000

    申请日：2022-02-28

    Applicant: NEC Corporation

    Inventor： Takashi SHIBATA ,  Shoji Yachida ,  Chisato Funayama ,  Masato Tsukada ,  Yuka Ogino ,  Keiichi Chono ,  Emi Kitagawa ,  Yasuhiko Yoshida ,  Yusuke Mori

    IPC: G06V40/70 ,  G06V40/18 ,  G06V20/52 ,  G06V40/16 ,  G06V40/19 ,  G06V40/10

    Abstract: The disclosure is detecting an authentication target who is moving in a predetermined direction in a video; inputting a first image in which an entire body of the target; calculating characteristic information from an image of the entire body in the first image, comparing the calculated characteristic information with characteristic information of the entire body stored in first memory that stores characteristic information of entire bodies of targets, and extracting candidate information of the targets from the first memory based on a first authentication result; inputting a second image in which an iris of the target; and comparing characteristic information of irises stored in second memory that stores the characteristic information of the irises of targets with characteristic information of an iris from the second image, calculating a verification score, executing second authentication on the target in the second image based on the verification score, and outputting an authentication result.

    Image processing device, image processing system, image processing method, and program recording medium for generating a visible image and a near-infrared image
    88.
    发明授权
    Image processing device, image processing system, image processing method, and program recording medium for generating a visible image and a near-infrared image 有权

    公开(公告)号：US11140370B2

    公开(公告)日：2021-10-05

    申请号：US16496516

    申请日：2017-03-31

    Applicant: NEC Corporation

    Inventor： Masato Tsukada

    IPC: H04N9/04 ,  H04N5/33 ,  H04N9/07 ,  H04N9/64 ,  H04N9/77

    Abstract: An image processing device 100 comprises: an acquisition unit 110 that acquires a color image captured in accordance with incident light including visible light and near-infrared light, said color image including a first area and a second area that is captured with reduced near-infrared light in the incident light compared with the first area; an estimation unit f120 that estimates spectral characteristics of the incident light on the basis of color information of the acquired color image, and information modeling the spectral characteristics of the incident lights; a generation unit 130 that generates a visible light image and a near-infrared image on the basis of the estimated spectral characteristics; and a correction unit 140 that corrects the generated visible image and near-infrared image on the basis of the color information of the second area in the color image.

    Image processing method and image processing device with correction of pixel statistical values to reduce random noise
    90.
    发明授权
    Image processing method and image processing device with correction of pixel statistical values to reduce random noise 有权
    图像处理方法和图像处理装置具有校正像素统计值以减少随机噪声

    公开(公告)号：US09501711B2

    公开(公告)日：2016-11-22

    申请号：US14397037

    申请日：2013-04-24

    Applicant: NEC Corporation

    Inventor： Kenta Senzaki ,  Masato Tsukada ,  Hiroaki Kawaguchi

    IPC: G06K9/40 ,  G09G1/14 ,  G09G3/28 ,  G09G3/30 ,  G09G5/00 ,  G09G5/02 ,  G09G5/10 ,  G06K9/46 ,  G06T5/00 ,  G06T5/20 ,  G06K9/52

    CPC classification number: G06K9/4604 ,  G06K9/52 ,  G06T5/002 ,  G06T5/20 ,  G06T2207/20016 ,  G06T2207/20182 ,  G06T2207/20192

    Abstract: The present invention is a method including: correcting difference between a pixel statistical value of a specific layer and a pixel statistical value of a layer that is wider than the specific layer using an edge information of a layer that is wider than the specific layer; correcting the pixel statistical value of the specific layer using post-correction difference and the pixel statistical value of layer that is wider than the specific layer; recorrecting the post-correction pixel statistical value of the specific layer using difference between a pre-correction pixel statistical value of the specific layer and the post-correction pixel statistical value of the specific layer and the edge information of a layer that is wider than the specific layer; and correcting the target pixel by repeating correction and recorrection until the layer reduces its range from the maximum range to the minimum range.

    Abstract translation: 本发明是一种方法，包括：使用比特定层宽的层的边缘信息来校正特定层的像素统计值和比特定层宽的层的像素统计值之间的差; 使用校正后差异和比特定层宽的层的像素统计值来校正特定层的像素统计值; 使用特定层的校正前像素统计值和特定层的校正后像素统计值之间的差以及比该特定层的修正后像素统计值更宽的层的边缘信息之间的差异来重新校正特定层的校正后像素统计值 特定层; 以及通过重复校正和重新校正来校正目标像素，直到该层将其范围从最大范围减小到最小范围。

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