-
公开(公告)号：US20240221420A1
公开(公告)日：2024-07-04
申请号：US18429809
申请日：2024-02-01
申请人： Hitachi, Ltd.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Yo NONOMURA , Keiichiro NAKAZAKI
IPC分类号： G06V40/145 , G06V10/141 , G06V10/143 , H04N23/56 , H04N23/74
CPC分类号： G06V40/145 , G06V10/141 , G06V10/143 , H04N23/56 , H04N23/74
摘要： A photographing apparatus includes: an imaging unit which is arranged at a position opposed to a plurality of fingers to be presented, and is configured to image the plurality of fingers; and a plurality of light sources which are arranged in plurality in an array direction of the plurality of fingers, and are configured to irradiate the plurality of fingers with light from an outside of an opposing region in which the imaging unit is opposed to the plurality of fingers toward an inside of the opposing region.
-
公开(公告)号：US20220351542A1
公开(公告)日：2022-11-03
申请号：US17642630
申请日：2020-08-27
申请人： Hitachi, Ltd.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Yo NONOMURA , Keiichiro NAKAZAKI
IPC分类号： G06V40/145 , H04N5/225 , H04N5/235 , G06V10/143 , G06V10/141
摘要： A photographing apparatus includes: an imaging unit which is arranged at a position opposed to a plurality of fingers to be presented, and is configured to image the plurality of fingers; and a plurality of light sources which are arranged in plurality in an array direction of the plurality of fingers, and are configured to irradiate the plurality of fingers with light from an outside of an opposing region in which the imaging unit is opposed to the plurality of fingers toward an inside of the opposing region.
-
公开(公告)号：US20180247142A1
公开(公告)日：2018-08-30
申请号：US15756289
申请日：2015-02-18
申请人： Hitachi, Ltd.
发明人： Masaru ODA , Akira OMACHI , Yoshihiro IWAMA , Yusuke DAIMON , Daisuke MATSUBARA , Hiroko HASEBE , Akio NAGASAKA , Yusuke MATSUDA , Naoto MIURA
摘要： A biometric authentication device including a housing, a light source unit that is installed on an upper surface of the housing and includes a light source, and an opening that is provided in the upper surface of the housing and located below the light source, and an imaging unit that is disposed inside the housing is disclosed. In the device, an optical axis of the light source intersects with a longitudinal direction of the housing, and the imaging unit images a user's biometric feature irradiated with an irradiation light from the light source through the opening.
-
公开(公告)号：US20150379254A1
公开(公告)日：2015-12-31
申请号：US14737545
申请日：2015-06-12
申请人： HITACHI, LTD.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Takafumi MIYATAKE
CPC分类号： G06F21/32 , G06K9/00892
摘要： The purpose of the present invention is to provide a highly accurate authentication system in a biometric authentication system. The authentication system includes: a measurement device that acquires biometric modality information from a living body of a first user; an input unit that generates at least one item of input information from the biometric modality information; a storage device that stores first feature information acquired from the biometric modality information of the first user, and second feature information acquired based on a correlation between the biometric modality information of the first user and biometric modality information of a second user; and an authentication unit that authenticates the first user by collating the input information with the first feature information and collating the input information with the second feature information.
摘要翻译： 本发明的目的是在生物认证系统中提供高度精确的认证系统。 该认证系统包括：从第一用户的生物体获取生物特征信息的测量装置; 输入单元，其从所述生物测定模态信息生成至少一个输入信息项; 存储从第一用户的生物统计信息获取的第一特征信息的存储装置，以及基于第一用户的生物统计信息与第二用户的生物统计信息之间的相关性获取的第二特征信息; 以及认证单元，其通过将输入信息与第一特征信息进行核对并将输入信息与第二特征信息进行核对来认证第一用户。
-
公开(公告)号：US20230359717A1
公开(公告)日：2023-11-09
申请号：US18024567
申请日：2021-08-25
申请人： Hitachi, Ltd.
发明人： Keiichiro NAKAZAKI , Naoto MIURA , Yusuke MATSUDA , Akio NAGASAKA
CPC分类号： G06F21/32 , G06V40/15 , G06V40/67 , G06V40/1365 , G06V40/172 , H04N23/90 , G06V40/40
摘要： Authentication is performed by confirming that the true operator presents his/her own biometric authentication information at a common portable information terminal. The biometric authentication system has an image capture unit that acquires first and second image data of different biometric areas of an operator during a predetermined period, a display that displays a guide to guide the operator to the location of the biometric area in order to capture different biometric areas of the operator, and a memory that stores biometric authentication information of the operator in advance. Furthermore, the first vital information and the second vital information are extracted from the image data of the different biometric areas, respectively, the identity of the operator is determined based on the first vital information and the second vital information, and if the identity of the operator is confirmed, the biometric authentication is performed.
-
公开(公告)号：US20170325721A1
公开(公告)日：2017-11-16
申请号：US15529899
申请日：2014-11-28
申请人： Hitachi, Ltd.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Takafumi MIYATAKE
CPC分类号： A61B5/117 , A61B5/0059 , A61B5/0064 , A61B5/489 , G06K9/00013 , G06K9/68 , G06K2009/00932
摘要： In the conventional art, there has been a problem that it is difficult to perform, with a high usability and at a high precision, authentication that accepts a wide range of variation of showing attitude of a hand or a finger and ensures obtaining a clear blood-vessel image of a finger. Provided is a blood-vessel image capturing apparatus including an opening portion formed in a surface of a housing, plural light sources disposed beside the opening portion and arranged in a lattice pattern, a sensor configured to obtain position information of a hand shown above the opening portion, a light amount control portion configured to select an irradiation light source to irradiate the hand from the plural light sources on a basis of the position information and control a light amount of the irradiation light source, and an image capturing portion configured to capture an image of a blood vessel included in a finger portion of the hand irradiated with light from the irradiation light source.
-
公开(公告)号：US20240126853A1
公开(公告)日：2024-04-18
申请号：US18278057
申请日：2022-02-18
申请人： Hitachi, Ltd.
发明人： Naoto MIURA , Keiichiro NAKAZAKI , Yusuke MATSUDA , Yo NONOMURA , Akio NAGASAKA
IPC分类号： G06F21/32
CPC分类号： G06F21/32
摘要： High-accuracy multimodal biometric authentication of a plurality of body organisms is achieved while suppressing postural fluctuation when the plurality of body organisms are captured. An authentication system stores feature quantities for body organisms in association with users and performs biometric authentication on the basis of images from a capture device. The capture device photographs a first body organism of a first user during a first period and captures a second body organism and a third body organism of the first user during a second period. The authentication processing device calculates a first feature quantity from the first body part photographed during the first period, respectively calculates a second feature quantity and a third feature quantity from the second body organism and the third body organism captured during the second period, and compares with the feature quantities for the body organisms of each user stored at the storage device.
-
公开(公告)号：US20230281284A1
公开(公告)日：2023-09-07
申请号：US17944048
申请日：2022-09-13
申请人： Hitachi, Ltd.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Yo NONOMURA , Keiichiro NAKAZAKI , Masahiro KATO
IPC分类号： G06F21/32 , G06V10/143 , G06V10/141 , G06V10/44 , G06V10/60 , G06V40/10 , G06V40/12
CPC分类号： G06F21/32 , G06V10/143 , G06V10/141 , G06V10/44 , G06V10/60 , G06V40/117 , G06V40/1341 , G06V40/1365 , G06T2207/10152 , G06T2207/10048
摘要： A photographing apparatus includes an irradiation unit configured to irradiate a living body with beams of light having a plurality of wavelengths different from one another, a photographing unit configured to photograph the living body irradiated by the irradiation unit to generate image data of the living body, an image processing module configured to generate, based on the image data generated by the photographing unit, a plurality of pieces of wavelength separation image data, by separation into the plurality of wavelengths, and a control module configured to control, based on the image data and on the plurality of pieces of wavelength separation image data generated by the image processing module, irradiation light amounts of the beams of light having the plurality of wavelengths.
-
公开(公告)号：US20220147731A1
公开(公告)日：2022-05-12
申请号：US17495982
申请日：2021-10-07
申请人： Hitachi, Ltd.
发明人： Yusuke MATSUDA , Naoto MIURA , Akio NAGASAKA , Yo NONOMURA , Keiichiro NAKAZAKI
摘要： To provide an imaging device capable of reducing discomfort caused by visible light. A light source can emit the visible light and invisible light as irradiation light. An imaging unit captures an image of an irradiation region irradiated with the irradiation light to acquire an image. A processor causes the imaging unit to acquire a detection image in a first irradiation mode in which the invisible light is emitted from the light source, and determines whether a biometric object is presented in the irradiation region based on the detection image. When the biometric object is presented, the processor causes the imaging unit to acquire the biometric image obtained by copying the biometric object as the image in a second irradiation mode in which the visible light and the invisible light are emitted from the light source.
-
公开(公告)号：US20220121869A1
公开(公告)日：2022-04-21
申请号：US17497802
申请日：2021-10-08
申请人： Hitachi, Ltd.
发明人： Naoto MIURA , Yusuke MATSUDA , Akio NAGASAKA , Yo NONOMURA , Keiichiro NAKAZAKI
摘要： The objective is to achieve highly accurate authentication even when there is variation in the ambient light environment during biometric imaging. A biometric authentication device includes an image capturing unit that captures images of a living body, a light source for capturing images of the living body, an optical filter that selectively passes and blocks light according to wavelength, a spectroscopic processing unit that separates multiple wavelengths captured simultaneously, respectively, and a calculation unit that calculates the shape and posture of a predetermined part of the living body in the captured images, a background removal unit that removes the background from the image of the living body using the spectral images of the living body and the spectral image of the unwanted ambient light, and an authentication unit that performs biometric authentication using the image of the predetermined part.
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.014 秒)
