Fujitsu Corporation

Matsushita Electric Industrial Co., Ltd.

Sharp Kabushiki Kaisha Corporation

Fujitsu Liimited

Fujitsu Limtited

Satoshi Maeda

Soichi Hama

Yukihiro Abiko

Hirokazu Aritake

Satoshi Semba

Hajime Nada

Shinya Hasegawa

Shigeo Kayashima

Fumio Yamagishi

Masato Nakashima

Shigetake Iwata

Manabu Ishimoto

Masayuki Kato

Takahiro Matsuda

Hiroyuki Ikeda

Junji Tomita

Satoshi Iwata

Yoshimi Toyoda

Mamoru Hokari

Takao Satake

Rie Hasada

Hirokazu Shimada

Hideki Yoshitome

Chie Eiza

Toshiaki Wakama

Hiroshi Kajihara

Hiroyasu Yoshikawa

Yusaku Fujii

Takefumi Inagaki

Youji Houki

Takashi Morihara

Naoto Kawashima

Chikara Nishio

Kazunori Maeda

Kaneyuki Kurokawa

Katsuaki Yamanaka

Tadashi Inuzuka

Yoshitomo Kato

Yuki Iwamasa

Shinji Egashira

Susumu Fujiwara

A monitoring system includes a memory, and a processor coupled to the memory and configured to detect a face area of a subject from a captured image divided into a plurality of blocks according to a number of light emitting elements that irradiate an image capturing range, and control a light emission intensity of a light emitting element corresponding to a block including the face area among the plurality of blocks according to one of a position of the face area and a size of the face area.

Monitoring system and monitoring method

An authentication device includes an illumination device, a camera, and a processor configured to obtain, by capturing by the camera, an image including a subject illuminated with light of the illumination device, extract a target region from the obtained image, and perform determination that processing related to authentication is not allowed when the target region includes a first part of a first luminance value having a difference not less than a threshold value from a second luminance value of a second part of the target region.

Authentication device and authentication method

A biometric-image processing apparatus includes a touch panel, a memory, an image-capturing device configured to capture an image of a living body that is in contact with the touch panel to obtain a biometric image, and a processor coupled to the memory. The processor is configured to execute a process including: calculating a distance between the image-capturing device and the living body, and calculating a rotation angle of the living body to the image-capturing device based on the distance.

Apparatus, method, and program for biometric image processing

A living body sensor obtains a plurality of living body images along an authentication-target living body, and a shape sensor obtains shape information corresponding to each of the plurality of living body images. A processor determines a position of a part of the authentication-target living body captured in each of the plurality of living body images, according to the shape information corresponding to each of the plurality of living body images. The processor compares a biometric feature of each of the plurality of living body images and a registered biometric feature by using a determined position of the part of the authentication-target living body and performs authentication for the authentication-target living body according to a comparison result of comparing the biometric feature of each of the plurality of living body images and the registered biometric feature.

Biometric authentication apparatus and biometric authentication method

A camera captures an image of a subject, and a light source illuminates with light a plane intersecting an optical axis of the camera at a prescribed angle. The processor generates guidance information related to a distance between the subject and the light source on the basis of a pixel value distribution of the image of the subject which is illuminated with the light, and outputs the generated guidance information.

Image capturing apparatus and biometric authentication apparatus to output guidance related to distance

A biometric image processing apparatus includes a touch panel, an biometric sensor configured to capture an image of a living body, and a processor. The processor performs a process including first calculating an amount of movement of the living body that moves on the touch panel while coming into contact with the touch panel, second calculating an amount of movement of each region in images captured by the biometric sensor in a period in which the living body moves on the touch panel while coming into contact with the touch panel, and detecting image noise in the captured images based on the respective amounts of movement calculated by the first calculating and the second calculating.

Biometric image processing apparatus, biometric image processing method, and biometric image processing program

A biometric authentication apparatus includes an imaging device, a display device, a memory, and a processor configured to display, on a screen of the display device, a guidance indicating a target area to be in contact with a part of a human body, detect whether the part of the human body is in contact with the target area, when the part of the human body is in contact with the target area, determine a distance between the imaging device and another part of the human body in accordance with an image captured by the imaging device, the image including the other part of the human body, and perform a change of a display position of the guidance in accordance with the determined distance.

An image processing apparatus includes a memory and a processor configured to acquire an image in which a subject is captured by a camera, calculate a plurality of spatial frequency characteristics on the basis of each of a plurality of regions included in the image, and perform determination of a tilt of the subject with respect to the camera in accordance with the plurality of spatial frequency characteristics.

Image processing apparatus and image processing method

A computer-implemented method for image processing, the method includes: acquiring an image of a body part captured by an imaging circuit; and determining, in a case where there is a region where luminance is saturated in the acquired image, a cause of the saturation of the luminance based on a distribution of the luminance in the acquired image. The cause is either the distance between the imaging circuit and the body part being shorter than a predetermined distance or an influence of external light.

Image processing apparatus, image processing method, and image processing program

A disclosed illumination apparatus includes first and second light sources that generate light for an illumination area to be illuminated; a first substrate on which the first and second light sources are mounted; and a second substrate that is disposed in an illumination direction of the light of the first and second light sources with respect to the first substrate, the second substrate having first and second diffraction grating elements formed integrally therewith, the first diffraction grating element being provided for the first light source, and the second diffraction grating element being provided for the second light source.

Illumination apparatus

A processor obtains characteristics information of a biometric image captured while casting first or second illumination light onto an authentication target. The first illumination light includes light of a first wavelength, and the second illumination light includes light of the first wavelength and light of a second wavelength. The processor reads characteristics information of a biometric image captured while casting illumination light cast onto the authentication target from a memory that stores first characteristics information of a first biometric image and second characteristics information of a second biometric image. The first biometric image is captured while casting the first illumination light onto a registration target, and the second biometric image is captured while casting the second illumination light onto the registration target. The processor calculates a similarity between the obtained characteristics information and the characteristics information read from the memory, and conducts authentication.

Biometric authentication apparatus, biometric authentication system and biometric authentication method

A biometric image processing device includes: a memory; and a processor coupled to the memory and the processor configured to execute a process, the process comprising: capturing a biometric image of an object by a camera; obtaining a histogram of brightness values from the biometric image; correcting the biometric image by expanding a dynamic range of a partial histogram of the histogram of which an appearance frequency is equal to or more than a threshold; and calculating a distance between the camera and the object on a basis of a high frequency component of the biometric image corrected in the correcting.

Biometric image processing device, biometric image processing method and computer-readable non-transitory medium

A biometric authentication apparatus includes: a biometric sensor configured to capture an image of a hand of a user; a touch panel configured to output a contact signal indicating contact positions of fingers of the user in response to the reception of an operation by the fingers of the user; and control circuitry configured to display, on the touch panel, a plurality of marks each of which indicates position at which any of the fingers of the user is intended to come into contact with the touch panel, acquire the contact signal output from the touch panel, and reduce in size one or more marks among the plurality of marks during acquiring biometric information from the image captured by the biometric sensor when the control circuitry detects, in accordance with the contact signal, that the fingers of the user are in contact with the plurality of marks.

Biometric authentication apparatus, biometric authentication method, and non-transitory computer-readable storage medium for storing program for biometric authentication

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.

Biometric authentication system and method

A method performed by a computer for biometric authentication includes: obtaining, by a processor of the computer, a first image group including a plurality of images that are sequentially captured by a biometric sensor configured to capture at least a part of a region of a body of a user; obtaining, by the processor of the computer, a movement amount of the body and a distance between the body and the biometric sensor; and selecting, by the processor of the computer, a second image group from the first image group in accordance with the movement amount and the distance, the second image group including images to be used in authentication processing with respect to the body, wherein the size of a common region between images to be included in the second image group is adjusted according to the distance.

Device, method, and non-transitory computer-readable storage medium for biometric authentication

Growing community of inventors

Atsugi, Japan

Satoshi Maeda