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公开(公告)号：US20220392262A1
公开(公告)日：2022-12-08
申请号：US17680485
申请日：2022-02-25
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji Yachida , Chisato Funayama , Masato Tsukada , Yuka Ogino , Keiichi Chono , Emi Kitagawa , Yasuhiko Yoshida , Yusuke Mori
摘要： 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.
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公开(公告)号：US11501570B2
公开(公告)日：2022-11-15
申请号：US17280226
申请日：2018-09-27
申请人： NEC Corporation
发明人： Keiichi Chono , Masato Tsukada , Chisato Funayama , Ryuichi Akashi , Yuka Ogino , Takashi Shibata , Shoji Yachida , Hiroshi Imai , Emi Kitagawa , Yasuhiko Yoshida , Yusuke Mori
IPC分类号： G06V10/20 , G06V40/19 , G06V40/18 , G06V10/147 , G06V10/62
摘要： An authentication system according to one aspect of the present disclosure includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: track an object included in a video captured by a first capture device; detect a candidate for biometric authentication in the object being tracked; determine whether biometric authentication has been performed for the candidate based on a record of biometric authentication performed for the object being tracked; and perform the biometric authentication for the candidate based on a video of an authentication part of the candidate when the biometric authentication has not been performed for the candidate, the video of the authentication part being captured by a second capture device having a capture range including a part of a capture range of the first capture device.
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公开(公告)号：US20220180662A1
公开(公告)日：2022-06-09
申请号：US17680786
申请日：2022-02-25
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji Yachida , Chisato Funayama , Masato Tsukada , Yuka Ogino , Keiichi Chono , Emi Kitagawa , Yasuhiko Yoshida , Yusuke Mori
摘要： 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.
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公开(公告)号：US10095958B2
公开(公告)日：2018-10-09
申请号：US15125398
申请日：2015-03-20
申请人： NEC Corporation
发明人： Masato Tsukada , Masato Toda , Kenta Senzaki
IPC分类号： G06K9/46 , G06K9/66 , G06K9/62 , G01N21/53 , G06T5/00 , G08B17/12 , G01N21/85 , G06K9/40 , G01N21/17
摘要： In order to properly detect an outbreak of smoke using a photographic image, this detection device is equipped with an extraction unit, a calculation unit, and a detection unit. By using an image analysis result of an input image, that is, a photographic image captured of a scene under surveillance, the extraction unit generates an image for which a noise component is removed from the input image. By using brightness information contained in the generated image, the calculation unit calculates an attenuation factor of reflected light from a captured object in the input image. The detection unit determines whether an outbreak of smoke is present in the scene under surveillance based on the attenuation factor.
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5.发明授权公开(公告)号：US09491331B2
公开(公告)日：2016-11-08
申请号：US14369298
申请日：2012-12-13
申请人： NEC Corporation
发明人： Eiji Kaneko , Masato Tsukada , Gaku Nakano
CPC分类号： H04N1/6086 , H04N1/60 , H04N1/603 , H04N1/6088 , H04N9/045 , H04N9/67 , H04N9/73 , H04N17/002 , H04N17/02
摘要： The present invention is a spectral image processing method including the steps of selecting observed spectral information from a multispectral image of a scene, generating a constraint on a spectral distribution of an illumination and a constraint on a surface reflectance of an object using a basis vector of the illumination and a basis vector of the surface reflectance, generating an observation equation that takes as parameters a weight coefficient of the basis vector of the illumination and a weight coefficient of the basis vector of the surface reflectance using the observed spectral information, the constraint on the spectral distribution of the illumination, and the constraint on the surface reflectance of the object, and calculating the spectral distribution of the illumination and the surface reflectance of the object of the scene from the observation equation.
摘要翻译： 本发明是一种光谱图像处理方法，包括以下步骤：从场景的多光谱图像中选择观测到的光谱信息，使用基本矢量生成对照明的光谱分布的约束和对物体的表面反射率的约束 照射和表面反射率的基矢量，生成观测方程，其使用观察到的光谱信息作为照明的基矢量的权重系数和表面反射率的基矢量的权重系数，约束 照明的光谱分布和对象的表面反射率的约束，以及根据观察方程计算场景的对象的照明光谱分布和表面反射率。
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公开(公告)号：US20150086129A1
公开(公告)日：2015-03-26
申请号：US14396061
申请日：2013-04-24
申请人： NEC Corporation
发明人： Kenta Senzaki , Masato Tsukada , Hiroaki Kawaguchi
CPC分类号： G06T5/20 , G06T5/002 , G06T2207/20016 , G06T2207/20076 , H04N5/2173 , H04N5/357
摘要： The method includes: calculating a pixel statistical value and edge of pixels for each of areas of a multi-layer, the areas each containing a target pixel and having a successively decreased range; correcting the edge based on a pixel statistical value of an area that is wider than a specific area; correcting difference between a pixel statistical value of the specific area and the pixel statistical value of the area that is wider than the specific area using the post-correction edge; correcting the pixel statistical value of the specific area using post-correction difference and the pixel statistical value of the area that is wider than the specific area; and correcting the target pixel by repeating correction of the pixel statistical value of the specific area successively in each area until the area reduces its range from the maximum range to the minimum range.
摘要翻译： 该方法包括：计算多层的每个区域的像素统计值和像素边缘，每个区域包含目标像素并具有连续减小的范围; 基于比特定区域宽的区域的像素统计值来校正边缘; 使用所述校正后边缘来校正所述特定区域的像素统计值和比所述特定区域宽的区域的像素统计值之间的差异; 使用校正后差异以及比特定区域宽的区域的像素统计值来校正特定区域的像素统计值; 并且通过在每个区域中连续地重复校正特定区域的像素统计值来校正目标像素，直到该区域将其范围从最大范围减小到最小范围。
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7.发明申请公开(公告)号：US20220270406A1
公开(公告)日：2022-08-25
申请号：US17621760
申请日：2019-06-25
申请人： NEC Corporation
发明人： Keiichi CHONO , Masato Tsukada , Chisato Funayama , Takahiro Toizumi , Yuka Ogino , Ryuichi Akashi , Ryo Yamakabe
IPC分类号： G06V40/19
摘要： An iris recognition apparatus for performing recognition of a target person based on an iris pattern of the target person, is provided with: an imaging device that performs an imaging processing for sequentially outputting imaged images while changing a focal position; and a determining device that starts a focusing determination for determining whether or not an image is a focused image before the imaging device completes the imaging processing.
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公开(公告)号：US20220189212A1
公开(公告)日：2022-06-16
申请号：US17681995
申请日：2022-02-28
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji Yachida , Chisato Funayama , Masato Tsukada , Yuka Ogino , Keiichi Chono , Emi Kitagawa , Yasuhiko Yoshida , Yusuke Mori
摘要： 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.
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公开(公告)号：US20220189205A1
公开(公告)日：2022-06-16
申请号：US17684793
申请日：2022-03-02
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji Yachida , Chisato Funayama , Masato Tsukada , Yuka Ogino , Keiichi Chono , Emi Kitagawa , Yasuhiko Yoshida , Yasuke Mori
IPC分类号： G06V40/18 , G06V10/22 , G06V10/60 , G06V40/19 , G06V40/20 , G06V40/70 , G06V40/10 , G06V40/16
摘要： The disclosure is inputting a first image captured an image of an authentication target; inputting a second image captured an image of a right eye or a left eye of the target; determining whether the second image is of a left eye or a right eye of the target based on information including the first image, and outputting a determination result as left/right information in association with the second image; detecting an overlap between a region including the second image and a predetermined region in the first image; calculating a verification score by comparing characteristic information that are related to the left/right information with iris characteristic information calculated from the second image, and calculating a first weighted verification score obtained by weighting the verification score with a detection result; and authenticating a target in the second image based on the first weighted verification score, and outputting an authentication result.
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公开(公告)号：US10728579B2
公开(公告)日：2020-07-28
申请号：US16457157
申请日：2019-06-28
申请人： NEC Corporation
发明人： Hirofumi Aoki , Keiichi Chono , Masato Tsukada
IPC分类号： H04N19/159 , H04N19/70 , H04N19/105 , H04N19/167 , H04N19/68 , H04N19/50 , H04N19/196 , H04N19/107 , H04N19/174 , H04N19/44
摘要： A video decoding device includes a demultiplexer which demultiplexes Supplemental-Enhancement-Information having information indicating segments where a refresh has completed in a current picture, the segments including an intra-encoded-segment in the current picture, and a video bitstream including video data of an encoded slice; an extractor which extracts the information from a message which is part of the demultiplexed Supplemental-Enhancement-Information; and a video decoder which decodes image data from the demultiplexed video bitstream.
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