Patents by Inventor Hajime NADA
Hajime NADA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9639679Abstract: A biometric authentication system (1) records, in a storage unit in an associating manner, position information of a feature area on an image of biometric information whose biometric authentication is successful and reference biometric information referred to in the successful biometric authentication, the feature area being specific to a living-body, and detects a feature area that is specific to a living-body from an image of biometric information of an input object to be authenticated, and narrows down the reference biometric information stored in the storage unit to reference biometric information to be compared with the biometric information of the object to be authenticated, based on the degree of similarity between each position information, and authenticates the biometric information of the object to be authenticated by comparing the reference biometric information obtained as a narrowing-down result and the biometric information of the object to be authenticated.Type: GrantFiled: September 18, 2013Date of Patent: May 2, 2017Assignee: FUJITSU LIMITEDInventors: Hajime Nada, Yukihiro Abiko, Shigefumi Yamada
-
Publication number: 20170083144Abstract: A method includes acquiring, from a touch panel, a contact position of a manipulating body and contact information that indicates a degree to which the manipulating body is in contact at the contact position, acquiring, from a camera, a plurality of images captured while the manipulating body is in contact with a plurality of mutually different positions on the touch panel due to manipulations with the manipulating body, creating variation information that indicates a variation in contact information, according to a plurality of contact information corresponding to the plurality of contact positions, and deciding, according to the variation information, suitability of the plurality of images in the biometric authentication to be executed using the plurality of images.Type: ApplicationFiled: July 8, 2016Publication date: March 23, 2017Applicant: FUJITSU LIMITEDInventors: Hajime NADA, Yukihiro Abiko, Soichi Hama, Satoshi Maeda, Satoshi Semba
-
Publication number: 20160328597Abstract: A biometric imaging device includes a processor that outputs an instruction of an operation position on an input device, in response to detection of a first input to the input device, and a camera that captures a biometric image after the detection of the first input.Type: ApplicationFiled: April 27, 2016Publication date: November 10, 2016Applicant: FUJITSU LIMITEDInventors: Yukihiro Abiko, SOICHI HAMA, Satoshi MAEDA, SATOSHI SEMBA, Hajime NADA
-
Publication number: 20160275334Abstract: A terminal apparatus includes an information input device that detects a coordinate value of an input operation position touched by a user, a biometric sensor that captures a capture area of a palm of the user at a time of an input operation to the information input device, to generate biometric data, and a processor. The processor performs a process including matching the biometric data to a corresponding portion of registered biometric data registered in advance and read based on the coordinate value, to compute a similarity of the biometric data to the corresponding portion.Type: ApplicationFiled: March 9, 2016Publication date: September 22, 2016Applicant: FUJITSU LIMITEDInventors: Soichi HAMA, Yukihiro ABIKO, Satoshi MAEDA, Satoshi SEMBA, Hajime NADA
-
Patent number: 9430693Abstract: A biometric authentication apparatus includes: a storage unit which stores identification information and authentication information of a plurality of registrants; a deletion process unit which registers, when receiving a request to delete the authentication information of any of the plurality of registrants, the identification information of the registrant to a deletion list, and deletes, from the storage unit, the authentication information of the registrant corresponding to the identification information registered on the deletion list at predetermined time; and an authentication process unit which matches the biometric information of the plurality of registrants with biometric information of a user based on the authentication information of each registrant and authentication information extracted from biometric data representing the biometric information of the user to determine whether or not to authenticate the user as any of the plurality of registrants other than the registrants corresponding to the iType: GrantFiled: November 24, 2014Date of Patent: August 30, 2016Assignee: FUJITSU LIMITEDInventors: Takahiro Aoki, Takashi Shinzaki, Hajime Nada
-
Patent number: 9412003Abstract: A discriminant function specifying device includes a setting part for calculating a discriminant function by machine learning using a learning input parameter, the discriminant function being for separating a distribution of a genuine similarity from a distribution of impostor similarity, the learning input parameter being set before executing the machine learning, and for setting a plurality of discriminant functions, each of the plurality of discriminant functions being obtained by changing values of the learning input parameter and a learning output parameter, the learning output parameter being a parameter of the calculated discriminant function; a calculation part for calculating an error rate for each of the plurality of discriminant functions set by the setting part; and an extraction part for extracting one discriminant function among the plurality of discriminant functions, the one discriminant function having the error rate calculated by the calculation part which meets a predetermined error conditiType: GrantFiled: March 4, 2015Date of Patent: August 9, 2016Assignee: FUJITSU LIMITEDInventors: Hajime Nada, Takahiro Aoki
-
Patent number: 9298996Abstract: A biometric authentication device includes: a memory; and a processor coupled to the memory and configured to: determine, when authentication with first biometric information has been successful, whether second biometric information different from the first biometric information is from a user corresponding to the first biometric information using a determining method corresponding to one of a plurality of security levels, the determining method being selected from among a plurality of determining methods based on the one of the plurality of security levels, and register, when the second biometric information has been determined to be from the user, the second biometric information associated with the user.Type: GrantFiled: April 3, 2014Date of Patent: March 29, 2016Assignee: FUJITSU LIMITEDInventors: Hajime Nada, Toshio Endoh, Takashi Shinzaki
-
Publication number: 20150254496Abstract: A discriminant function specifying device includes a setting part for calculating a discriminant function by machine learning using a learning input parameter, the discriminant function being for separating a distribution of a genuine similarity from a distribution of impostor similarity, the learning input parameter being set before executing the machine learning, and for setting a plurality of discriminant functions, each of the plurality of discriminant functions being obtained by changing values of the learning input parameter and a learning output parameter, the learning output parameter being a parameter of the calculated discriminant function; a calculation part for calculating an error rate for each of the plurality of discriminant functions set by the setting part; and an extraction part for extracting one discriminant function among the plurality of discriminant functions, the one discriminant function having the error rate calculated by the calculation part which meets a predetermined error conditiType: ApplicationFiled: March 4, 2015Publication date: September 10, 2015Applicant: FUJITSU LIMITEDInventors: Hajime NADA, Takahiro Aoki
-
Patent number: 9070025Abstract: A biometric information processing apparatus includes a biometric sensor configured to acquire biometric information of a first instance, a second instance and a third instance; a processor configured to execute a procedure, the procedure comprising: extracting an authentication feature used for matching from the biometric information of each of the second instance and the third instance; normalizing the relative positions of authentication features of the second instance and the third instance by using the biometric information of the first instance; and extracting a relative feature indicating a relative positional relationship between the authentication features of the second instance and the third instance normalized in the normalizing procedure.Type: GrantFiled: March 18, 2013Date of Patent: June 30, 2015Assignee: FUJITSU LIMITEDInventors: Hajime Nada, Shigefumi Yamada
-
Publication number: 20150154474Abstract: A biometric information registration device includes: a memory; and a processor coupled to the memory and configured to: collect a plurality of biometric information extracted from a plurality of images of a subject, classify a posture of the subject in each of the plurality of images into one of a plurality of classes, count a number of postures that corresponds to each of the plurality of classes, and store biometric information, from among the plurality of biometric information, associated with a certain class for which the number exceeds a threshold.Type: ApplicationFiled: November 26, 2014Publication date: June 4, 2015Applicant: Fujitsu LimitedInventors: Hajime NADA, Takahiro Aoki
-
Publication number: 20150154437Abstract: A biometric authentication apparatus includes: a storage unit which stores identification information and authentication information of a plurality of registrants; a deletion process unit which registers, when receiving a request to delete the authentication information of any of the plurality of registrants, the identification information of the registrant to a deletion list, and deletes, from the storage unit, the authentication information of the registrant corresponding to the identification information registered on the deletion list at predetermined time; and an authentication process unit which matches the biometric information of the plurality of registrants with biometric information of a user based on the authentication information of each registrant and authentication information extracted from biometric data representing the biometric information of the user to determine whether or not to authenticate the user as any of the plurality of registrants other than the registrants corresponding to the iType: ApplicationFiled: November 24, 2014Publication date: June 4, 2015Inventors: Takahiro Aoki, Takashi Shinzaki, Hajime NADA
-
Publication number: 20150043792Abstract: A biometric authentication device includes: a memory; and a processor coupled to the memory and configured to: determine, when authentication with first biometric information has been successful, whether second biometric information different from the first biometric information is from a user corresponding to the first biometric information using a determining method corresponding to one of a plurality of security levels, the determining method being selected from among a plurality of determining methods based on the one of the plurality of security levels, and register, when the second biometric information has been determined to be from the user, the second biometric information associated with the user.Type: ApplicationFiled: April 3, 2014Publication date: February 12, 2015Applicant: FUJITSU LIMITEDInventors: Hajime Nada, Toshio Endoh, Takashi Shinzaki
-
Patent number: 8699763Abstract: A biometric information processing device includes, a biometric sensor configured to acquire a plurality of different biometric information elements; an authentication feature extracting unit configured to extract an authentication feature for use in authentication for each of the plurality of different biometric information elements acquired by the biometric sensor; a supplemental feature extracting unit configured to extract a supplemental feature relating to the authentication feature for each of the plurality of different biometric information elements; and a combined feature extracting unit configured to extract a combined feature in which a plurality of the supplemental features extracted by the supplemental feature extracting unit are reflected.Type: GrantFiled: January 26, 2012Date of Patent: April 15, 2014Assignee: Fujitsu LimitedInventors: Hajime Nada, Toshio Endoh, Takahiro Aoki, Shigefumi Yamada
-
Publication number: 20140020090Abstract: A biometric authentication system (1) records, in a storage unit in an associating manner, position information of a feature area on an image of biometric information whose biometric authentication is successful and reference biometric information referred to in the successful biometric authentication, the feature area being specific to a living-body, and detects a feature area that is specific to a living-body from an image of biometric information of an input object to be authenticated, and narrows down the reference biometric information stored in the storage unit to reference biometric information to be compared with the biometric information of the object to be authenticated, based on the degree of similarity between each position information, and authenticates the biometric information of the object to be authenticated by comparing the reference biometric information obtained as a narrowing-down result and the biometric information of the object to be authenticated.Type: ApplicationFiled: September 18, 2013Publication date: January 16, 2014Applicant: FUJITSU LIMITEDInventors: Hajime NADA, Yukihiro ABIKO, Shigefumi YAMADA
-
Patent number: 8565497Abstract: A biometric authentication device including: a biometric information acquiring unit which generates a biometric input image representing user's biometric input information; and a processing unit.Type: GrantFiled: January 29, 2013Date of Patent: October 22, 2013Assignee: Fujitsu LimitedInventors: Hajime Nada, Yukihiro Abiko, Kazuya Uno
-
Publication number: 20130251213Abstract: A biometric information processing apparatus includes a biometric sensor configured to acquire biometric information of a first instance, a second instance and a third instance; a processor configured to execute a procedure, the procedure comprising: extracting an authentication feature used for matching from the biometric information of each of the second instance and the third instance; normalizing the relative positions of authentication features of the second instance and the third instance by using the biometric information of the first instance; and extracting a relative feature indicating a relative positional relationship between the authentication features of the second instance and the third instance normalized in the normalizing procedure.Type: ApplicationFiled: March 18, 2013Publication date: September 26, 2013Applicant: FUJITSU LIMITEDInventors: Hajime Nada, Shigefumi YAMADA
-
Publication number: 20120250954Abstract: A biometric information processing device includes, a biometric sensor configured to acquire a plurality of different biometric information elements; an authentication feature extracting unit configured to extract an authentication feature for use in authentication for each of the plurality of different biometric information elements acquired by the biometric sensor; a supplemental feature extracting unit configured to extract a supplemental feature relating to the authentication feature for each of the plurality of different biometric information elements; and a combined feature extracting unit configured to extract a combined feature in which a plurality of the supplemental features extracted by the supplemental feature extracting unit are reflected.Type: ApplicationFiled: January 26, 2012Publication date: October 4, 2012Applicant: Fujitsu LimitedInventors: Hajime NADA, Toshio ENDOH, Takahiro AOKI, Shigefumi YAMADA