Abstract: There is provided a biometric authentication method using a portable electronic device. The method includes identifying a gesture of a user to be authenticated through a gesture recognition unit of the portable electronic device and acquiring biometric information of the user through an information input unit of the portable electronic device. The method further includes comparing the identified gesture and the acquired biometric information with an authentication information stored in an information storage unit to perform the biometric authentication of the user, and outputting a result of the biometric authentication.

Abstract: In a biometric information management method, a first comparison result is acquired by comparing first biometric input information with registered first biometric authentication information and a second comparison result is acquired by comparing second biometric input information with registered second biometric authentication information. Further, satisfaction or non-satisfaction of a predetermined authentication information compensation condition is determined based on the first comparison result and the second comparison result. If a result of the determining satisfies the authentication information compensation condition, the first biometric authentication information is compensated by using the first biometric input information or the second biometric authentication information is compensated by using the second biometric input information.

Abstract: An apparatus for generating biometric information, the apparatus includes a biometric scanning module configured to scan a body of a user to generate biometric image information; a seed supplying module configured to supply a secure seed having a security that is effective for a preset time period; a security pattern generating module configured to generate a secure watermark pattern based on the secure seed; and a biometric information generating module configured to generate biometric information to be used for authentication by the use of the biometric image information and the secure watermark pattern.

Abstract: In accordance with an embodiment, the prism is made slimly to correct the distortion of the fingerprint image such as trapezoidal distortion or the like. Therefore, it is possible to manufacture the optical fingerprint recognition apparatus of a compact size. Further, the imaging lens is arranged to have a de-centering amount and/or a tilt angle with respect to the optical axis, which leads to an effect to implement resolution approaching the diffraction limit.

Abstract: A method for an optical fingerprint recognition, the method includes scanning a fingerprint image using a multiple scan which allows alternating a first scan condition and a second scan condition different from each other; determining whether an input fingerprint is a dry fingerprint depending on a darkness level of a fingerprint image derived from the first scan condition; and performing a fingerprint recognition using a fingerprint image derived from the first scan condition or a fingerprint image derived from the second scan condition in accordance with the determination result as to the dry fingerprint.

Abstract: A method and apparatus for authenticating a user is disclosed that includes measuring biometric information of the user to create biometric measurement information, determining whether a private key included in a user authentication request signal matches a private key issued in advance to the user, comparing pre-set biometric authentication information for the user with the biometric measurement information, calculating a matching ratio when a match is detected, authenticating the user having provided the biometric information as an authorized user based on a result of comparison of the calculated matching ratio with a pre-determined biometric authentication threshold value, and providing an updated private key to the information processing device based on a result of comparison of the calculated matching ratio with a pre-determined updated threshold value.

Abstract: The present disclosure provides a method performed by a user authentication apparatus for authenticating a user of an information processing device. The method includes: visually outputting a code image including predetermined information to allow the information processing device to capture the code image; determining whether an authentication request including the code image and authentication identification information is obtained from the information processing device; and performing a user authentication process based on the authentication identification information after the authentication request is obtained.

Abstract: A biometric image output control method in a biometric authentication device comprises the step of generating a biometric image by imaging an living body to be authenticated; determining whether an imaging environment; if the imaging environment satisfies a predetermined recognition condition, controlling a change rate of a size of a biometric image, a change rate of a focal point of the biometric image and a change rate of a brightness of the biometric image according to a distance to the living body to be authenticated; and if the imaging environment does not satisfy the predetermined recognition condition, overly controlling at least one of the change rate of the size of the biometric image, the change rate of the focal point of the biometric image and the change rate of the brightness of the biometric image according to the distance.

Abstract: An authenticating system includes: a biometric information registering device to obtain a first biometric information of a person entering into the area to register the first biometric information with identification information of the person in a database; an biometric authentication device to obtain a second biometric information of the person to authenticate the person based on the first biometric information and the second biometric information; and a biometric information deleting device to obtain a third biometric information of a person leaving the area to delete the first biometric information registered in the database when the first biometric information matches with the third biometric information.

Abstract: An apparatus for processing a fingerprint image, the apparatus includes a noise information estimation unit configured to estimate information for a noise removal from at least two or more images recognized for a first section before a point of time when a fingerprint contact is initiated. The apparatus includes a fingerprint image acquiring unit configured to correct at least one image recognized for a predetermined time period after the completion of the fingerprint contact using the estimated information to acquire the fingerprint image.

Abstract: A method for a face recognition by a face recognition service server, includes receiving a face image that is photographed from a face registration terminal or a face recognition terminal; detecting a face area of the received face image; and quantifying at least one quality factor for the detected face area in order to determine whether the received face image is suitable as sample image required for face recognition. Further, the method includes selecting the received face image as the sample image required for the face recognition when the quality factor satisfies a predetermined quality criterion.

Abstract: An apparatus for identifying a fake face is provided. A first eye image acquirer acquires a first eye image by taking a picture of a subject while radiating a first ray having a first wavelength. A second eye image acquirer acquires a second eye image by taking a picture of the subject while radiating a second ray having a second wavelength that is shorter than the first wavelength. A controller extracts a first area and a second area having brighter lightness than the first area from each of the first and second eye images, calculates a lightness of the first area and a lightness of the second area in the first eye image, and a lightness of the first area and a lightness of the second area in the second eye image, and determines whether the subject uses a fake face based on the calculated lightness.

Abstract: An optical structure for acquiring a fingerprint image with high resolution and minimum distortion is provided. The optical structure includes a prism configured to comprise an input surface to which light is irradiated, a contact surface formed horizontally to be in contact with a finger, and an output surface through which the light that has been irradiated to the input surface and reflected from the finger in contact with the contact surface passes; a lighting unit configured to emit a beam to the input surface of the prism; a reflector unit configured to reflect a fingerprint image passing through the output surface of the prism; a lens unit configured to comprise two or more lenses, each being configured to receive the fingerprint image reflected from the reflector unit; and an image sensor on which the fingerprint image passing through the lens unit is formed.

Abstract: In accordance with the embodiments of the present invention, the biometric information created for biometric authentication is available for a predetermined time after it was acquired. In addition, the authentication processing is performed on the biometric information useful for a predetermined time after the biometric information was acquired when authenticating it. Therefore, the authentication processing can be normally performed on only the biometric information that is acquired immediately when it is necessary for the user to do the financial transaction or individual authentication.

Abstract: A method for an optical fingerprint recognition, the method includes scanning a fingerprint image separately using a multiple exposure which allows alternating a short exposure and a normal exposure; determining whether there is an inflow of external light depending on a darkness level of a fingerprint image derived from the normal exposure; and performing a fingerprint recognition using a fingerprint image derived from the short exposure or the fingerprint image derived from the normal exposure in accordance with the determination result as to the inflow of external light.

Abstract: An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source configured to irradiate light from the inside of the prism; an external light source configured to irradiate light from the outside of the prism; an image sensor configured to acquire diffused light image by the internal light source and transmitted light image by the external light source; and a controller configured to compare the diffused light image and the transmitted light image acquired by the image sensor to determine whether the fingerprint is a fake fingerprint or not.

Abstract: A method for registering a Smartphone when accessing security authentication device and a method for access authentication of a registered Smartphone are provided. When a Smartphone based application searches for a device and attempts an access to the found device, the search and access for the device is limited according to a result of authentication using an activation code.

Abstract: An apparatus for recognizing a face of a person adaptively controls brightness of illumination around the person through image analysis. The apparatus obtains an optimal image through the adaptive brightness control of the illumination regardless of various environments for face recognition.

Abstract: In accordance with the embodiments of the present invention, the biometric information created for biometric authentication is available for a predetermined time after it was acquired. In addition, the authentication processing is performed on the biometric information useful for a predetermined time after the biometric information was acquired when authenticating it. Therefore, the authentication processing can be normally performed on only the biometric information that is acquired immediately when it is necessary for the user to do the financial transaction or individual authentication.

Abstract: In accordance with an embodiment, the prism is made slimly to correct the distortion of the fingerprint image such as trapezoidal distortion or the like. Therefore, it is possible to manufacture the optical fingerprint recognition apparatus of a compact size. Further, the imaging lens is arranged to have a de-centering amount and/or a tilt angle with respect to the optical axis, which leads to an effect to implement resolution approaching the diffraction limit.