Patents by Inventor Takahiro Aoki

Takahiro Aoki 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).

  • Publication number: 20170091568
    Abstract: A biometric image capturing apparatus includes an irradiating unit configured to irradiate a subject with light, a camera configured to capture an image of the subject, a polarizing unit which is disposed on an optical path between the irradiating unit and the camera, and configured to allow passage of light in a first polarization direction and light in a second polarization direction, a processor configured to perform computation using a first image captured by the camera according to the light in the first polarization direction that has passed through the polarizing unit and a second image captured by the camera according to the light in the second polarization direction that has passed through the polarizing unit, and to determine whether the subject is a biological body according to a result of the computation performed by the computing unit.
    Type: Application
    Filed: September 27, 2016
    Publication date: March 30, 2017
    Applicants: FUJITSU LIMITED, FUJITSU FRONTECH LIMITED
    Inventors: SOICHI HAMA, Takahiro Aoki, ISAO IWAGUCHI
  • Patent number: 9495576
    Abstract: An image processing apparatus includes a light source to irradiate light on an object, an imaging device to capture the object, a luminance computing unit to compute a luminance at a plurality of positions on the object, and a coefficient computing unit. The coefficient computing unit computes a correction coefficient for each of the plurality of positions, according to a distance from the light source to each of the plurality of positions and the luminance at each of the plurality of positions.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: November 15, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9483683
    Abstract: An alignment apparatus includes: a voting unit that generates multiple pairs of a first feature selected from multiple features representing a first target object represented on one image, and a second feature selected from multiple features representing a second target object represented on the other image, obtains, for each of the pairs, a first translation amount for aligning the first feature with the second feature, and votes, in a coordinate system with coordinates each representing a translation amount, a voting value for the coordinate corresponding to the first translation amount; and a translation amount calculating unit that calculates the total of the voting values for each of the coordinates in the coordinate system, and sets the translation amount corresponding to the coordinate with the largest total of the voting values, as a second translation amount for aligning the first target object with the second target object.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 1, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20160292525
    Abstract: An image analyzing apparatus includes a display, a camera, and a processor. A camera is configured to shoot an image of a subject located in front of the display. A processor is configured to estimate a shape of the subject whose image has been shot by the camera. The processor is configured to establish a display region on the display according to the shape of the subject. The processor is configured to calculate a guidance direction for the subject according to the shape of the subject. And the processor is configured to display on the display region a guidance instruction that is based on the guidance direction.
    Type: Application
    Filed: February 26, 2016
    Publication date: October 6, 2016
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9454693
    Abstract: An image correction apparatus includes a correction factor calculating unit which calculates a correction factor such that a distance between a corrected value obtained by correcting, using the correction factor, a luminance value of a first pixel on the image corresponding to a sensor element with a first filter in an image sensor included in an image capturing unit which generates the image, the first filter having a first transmittance characteristic and a luminance value of a second pixel on the image corresponding to a sensor element with a second filter in the image sensor, the second filter having a second transmittance characteristic, becomes smaller than a distance between the luminance value of the first pixel and the luminance value of the second pixel, and a correcting unit which generates a corrected image by correcting the luminance value of the first pixel using the correction factor.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: September 27, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20160275362
    Abstract: A device includes an illumination device that casts light of a prescribed polarization direction on a scattering body, a camera that picks up images of the scattering body at a plurality of different polarization angles, and a processor that executes a process of generating and outputting an inner layer image, of an inner layer of an inside of the scattering body, in response to a depth from a surface of the scattering body on the basis of the images of the scattering body picked up at the plurality of different polarization angles.
    Type: Application
    Filed: February 23, 2016
    Publication date: September 22, 2016
    Applicants: FUJITSU LIMITED, FUJITSU FRONTECH LIMITED
    Inventors: Takahiro Aoki, SOICHI HAMA, ISAO IWAGUCHI
  • Publication number: 20160267316
    Abstract: A processor estimates a shape of a subject on the basis of an image of the subject, and a memory stores the shape of the subject. The processor generates a quadratic surface connecting a plurality of points on the subject on the basis of the shape of the subject, and develops each of the plurality of points to a planar surface contacting the quadratic surface. Thereafter the processor corrects the image of the subject on the basis of a position of each of the plurality of points developed to the planar surface.
    Type: Application
    Filed: February 24, 2016
    Publication date: September 15, 2016
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9430693
    Abstract: 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 i
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: August 30, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Takahiro Aoki, Takashi Shinzaki, Hajime Nada
  • Patent number: 9418274
    Abstract: A biometric authentication apparatus includes a single reading sensor configured to acquire first matching authentication characteristics data being unique to a first hand and used for matching, and second matching authentication characteristics data being unique to a second hand and used for matching; and a communications part configured to externally transmit the first and second matching authentication characteristics data for one person as authentication data and to receive an authentication result.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: August 16, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9412003
    Abstract: 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 conditi
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: August 9, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Hajime Nada, Takahiro Aoki
  • Patent number: 9412014
    Abstract: A biometric information process device includes: a biometric sensor obtaining a plurality of biometric images of a user; a detection portion detecting a surface reflection region of the plurality of biometric images; and a storage portion storing biometric information obtained from biometric images included in the plurality of biometric images, the biometric images having a different surface reflection region from each other.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: August 9, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20160202047
    Abstract: A three-dimensional shape measuring device is provided that enables an accuracy in measuring a three-dimensional shape of a subject to be improved even when a relationship between a luminance value and a distance deviates from an ideal point light source model in which the luminance value is inversely proportional to the square of the distance. A biometric authentication device includes a coefficient setting unit that sets a coefficient that is an index of a power in a model expression for making a luminance value of a captured image be proportional to an inverse of the power of a distance from a light source to a measurement point of the luminance value according to a prescribed condition, and a three-dimensional shape measuring unit that measures the three-dimensional shape of the subject according to the luminance value of the captured image and the coefficient.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 14, 2016
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9373047
    Abstract: A biometric authentication device includes a photographing unit configured to photograph a biological body and acquire biological body information; an authentication unit configured to match registered biological body information that is registered in advance with the biological body information and perform authentication; a posture determination unit configured to determine steadiness of a posture of the biological body based on history of posture information relevant to the posture of the biological body when photographed; and an update determination unit configured to determine to update the registered biological body information when the posture determination unit determines that the posture of the biological body is steady.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: June 21, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Takahiro Aoki, Soichi Hama, Mitsuaki Fukuda
  • Publication number: 20160141636
    Abstract: A separator for a fuel cell, to be disposed opposing to a membrane electrode assembly, is provided. The separator includes a separator central area portion opposing to a center area of the membrane electrode assembly that concerns generating power, an outer edge portion located in an outer edge of the separator central area portion, a rubber molded body made of rubber, the rubber molded body being formed in the outer edge portion by die-casting a die-casting rubber material using die, and an adhesive layer formed in the outer edge portion, for adhering the rubber molded body to the outer edge portion. The adhesive layer is formed over an adhesive layer area that includes and is larger than an area where the rubber molded body is die-casted in the outer edge portion. Thus, a disadvantage due to burrs which are generated when die-casting the rubber molded body can be reduced.
    Type: Application
    Filed: November 6, 2015
    Publication date: May 19, 2016
    Applicants: TOYOTA JODOSHA KABUSHIKI KAISHA, Sumitomo Riko Company Limited
    Inventors: Hideya KADONO, Kenji SATO, Takuya KURIHARA, Fumishige SHIZUKU, Hiroki ITAKURA, Takahiro AOKI
  • Publication number: 20160141637
    Abstract: In a fuel cell separator and the like, a technology for reducing the separation of a flow path rib which rectifies the flow of a fluid is desired. A separator used in a fuel cell is provided, the separator including: a separator main body that includes a fluid flow region through which a reactive gas or a coolant flows, a through-hole through which the reactive gas or the coolant flows, and a connection portion which connects the fluid flow region and the through-hole; and a flow rectifying portion that is arranged by being adhered on the connection portion and that rectifies flow of the reactive gas or the coolant between the fluid flow region and the through-hole, where the flow rectifying portion includes a plurality of protruded portions and a coupling portion which is thinner than the protruded portions and which couples the protruded portions.
    Type: Application
    Filed: November 5, 2015
    Publication date: May 19, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Sumitomo Riko Company Limited
    Inventors: Kenji SATO, Hiroki Itakura, Takahiro Aoki
  • Publication number: 20160141638
    Abstract: There is provided a terminal plate comprising a plate stacked body including a first metal plate that is electrically conductive and has a current collecting terminal for power collection, and second metal plates that have higher corrosion resistance than the first metal plate and are placed across the first metal plate. A first gasket is mounted to the second metal plate and is provided to surround at least a gas flow hole used for supply of a gas on the second metal plate-side. A second gasket is mounted to the second metal plate and is provided to surround a cooling water flow area which communicates with a cooling water flow hole used for supply of cooling water on the second metal plate-side. The current collecting terminal is protruded from a plate outer circumferential end of the first metal plate in a direction from one flow hole of the gas flow hole and the cooling water flow hole toward the plate outer circumferential end of the first metal plate.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 19, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Sumitomo Riko Company Limited
    Inventors: Kenji SATO, Hiroki Itakura, Takahiro Aoki
  • Patent number: 9342726
    Abstract: An imaging device that generates a taken image of an object in an image area by taking an image of each line structuring the image area, includes: an inclination estimate unit that estimates an inclination of the object based on a portion of the taken image corresponding to a first line and a portion of the taken image corresponding to a second line; an image estimate unit that estimates an image of the object to be generated when the image is taken having an inclination estimated by the inclination estimate unit, based on the inclination; and a correction process unit that corrects the taken image based on a result of a comparison between the taken image and the image estimated by the image estimated unit.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: May 17, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Mitsuaki Fukuda, Soichi Hama, Takahiro Aoki
  • Patent number: 9336427
    Abstract: A biometric information image-capturing device includes an image capturing unit configured to photograph a body part including biometric information to generate a biometric image in which the biometric information is represented, at least one light source disposed in the periphery of the image capturing unit and configured to illuminate light toward a photographing range of the image capturing unit, and a light guide member disposed to be opposed to the at least one light source in the periphery of the image capturing unit and provided with a concaved portion located at a surface of the light guide member, the concaved portion being nearer to the image capturing unit side than the at least one light source.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: May 10, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Takahiro Aoki, Yukio Hirai
  • Patent number: 9336426
    Abstract: A biometric authentication device includes: a memory configured to store an enrollment feature data; a biometric sensor that obtains a biometric image of a user; and a circuitry configured to: obtain a surface reflection degree of the biometric image; extract a comparison-use feature data from the biometric image; perform a comparing based on a similarity between the comparison-use feature data and the enrollment feature data; and reflect a correction coefficient and the surface reflection degree related to a region of the biometric image to the similarity.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: May 10, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9305209
    Abstract: A biometric authentication apparatus includes a storage unit which stores first shape data representing a shape of biometric information of a registered user's hand with fingers at a first posture and second shape data representing a shape of biometric information of the hand with the fingers at a second posture; a posture specification unit which calculates an index representing a third posture of fingers of a user's hand in a biometric image; a biometric information extraction unit which generates third shape data representing a shape of biometric information of the user's hand in the biometric image; and a correction unit which obtains corrected shape data by correcting the first or the second shape data to cancel a shape difference of the biometric information due to a difference between the third posture and the first or the second posture based on the index for matching.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: April 5, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Mitsuaki Fukuda, Takahiro Aoki, Soichi Hama