Patent application number | Description | Published |
20100061599 | Function activating apparatus and function activating method - A function activating apparatus includes a correspondence storage unit, an operation detecting unit, a feature-amount calculating unit, an encoded-information generating unit, a function retrieving unit, and a function activating unit. The correspondence storage unit stores a correspondence between encoded information and a function to be activated in response to input of biometric information formed of time-series image data. The operation detecting unit detects, from the time-series image data, at least one of the moving direction and acceleration of the input operation of the biometric information. The feature-amount calculating unit calculates the feature amount of at least one of the moving direction and acceleration. The encoded-information generating unit assigns a predetermined code to the feature amount. The function retrieving unit retrieves from the correspondence storage unit a function associated with the encoded information. The function activating unit activates the function. | 03-11-2010 |
20110162068 | Authentication apparatus - An authentication apparatus performs local and global corrections on image data. Local correction uses the shape of a local line indicated by line information contained in a neighboring region on image data whose feature value extracted from the shape of a line is used for authentication. Global correction uses the shape of a global line indicated by line information contained in a region larger than the neighboring region. The authentication apparatus calculates the difference between line information contained in image data corrected by local correction and line information contained in image data corrected by global correction and compares the difference with a threshold. If the difference is less than the threshold, the authentication apparatus outputs, as line information contained in image data, line information corrected by local correction and, if the difference is greater, it outputs, as line information contained in image data, line information corrected by global correction. | 06-30-2011 |
20120014570 | BIOMETRIC AUTHENTICATION DEVICE AND BIOMETRIC AUTHENTICATION METHOD - A biometric authentication device includes: a biometric information acquiring unit which acquires a user's biometric information and generates a biometric image representing the biometric information; a storage unit which stores data concerning registered biometric information of at least one registered user; and a processing unit. The processing unit detects from the biometric image a moderately blurred region having a first degree of blurring and a highly blurred region having a second degree of blurring which is higher than the first degree of blurring, identifies the cause of the occurrence of the highly blurred region and the moderately blurred region, and presents to the user a warning message corresponding to the cause of the occurrence of the blurred regions. | 01-19-2012 |
20120090015 | DEVICE AND METHOD FOR AUTHENTICATING BIOLOGICAL INFORMATION - An biological-information authentication device includes, a biological-information reading section configured to read biological information; a comparing section configured to compare biological information read by the biological-information reading section with registered biological information to determine whether they match; a registration section configured to register biological information; a biological-information-input-operation extraction section configured to extract input operation data indicating an input operation of biological information read by the biological-information reading section. The device further includes an approval-input-operation determination section configured to determine whether the input operation data of the biological information extracted by the input-operation extraction section matches approval input operation data indicating an input operation for approval that is stored in advance when the comparing section determines that the biological information is unregistered biological information and that biological information input next to the unregistered biological information matches the registered biological information of an administrator having approval authority. | 04-12-2012 |
20120189171 | BIOMETRIC INFORMATION PROCESSING APPARATUS, BIOMETRIC INFORMATION PROCESSING METHOD, AND BIOMETRIC INFORMATION PROCESSING COMPUTER PROGRAM - A biometric information processing apparatus includes: a biometric information acquiring unit which acquires a user's biometric information and generates a biometric input image representing the biometric information; and a processing unit. The processing unit implements: generating a first intermediate image by applying first image processing to the biometric input image; generating a second intermediate image by applying second image processing to the biometric input image; detecting, from each of the first and second intermediate images, a singular point candidate; calculating a distance between the singular point candidates detected from each of the first and second intermediate images for the same singular point contained in the biometric information; calculating a quality metric for the biometric input image based on the distance; and if the quality metric is not higher than a predefined threshold value, then prompting the user to have the user's biometric information reacquired by the biometric information acquiring unit. | 07-26-2012 |
20120281890 | BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC INFORMATION PROCESSING DEVICE, BIOMETRIC AUTHENTICATION SYSTEM, BIOMETRIC AUTHENTICATION SERVER, BIOMETRIC AUTHENTICATION CLIENT, AND BIOMETRIC AUTHENTICATION DEVICE CONTROLLING METHOD - A fingerprint image obtaining unit | 11-08-2012 |
20120319817 | BIOMETRIC INFORMATION PROCESSING APPARATUS AND BIOMETRIC INFORMATION PROCESSING METHOD - A biometric information processing apparatus includes: a calculation unit that calculates the direction of each of characteristic lines included in biometric information extracted from a user; a smoothing unit that smoothes each of the characteristic lines; a difference calculation unit that calculates a difference between the direction of each of the characteristic lines and the direction of each of the smoothed characteristic lines; a detection unit that detects, as a change candidate area, a potentially changeable area in the biometric information based on each of the calculated differences; and an estimation unit that estimates the future authentication accuracy using the biometric information, based on the detected change candidate area. | 12-20-2012 |
20130028488 | BIOMETRIC INFORMATION PROCESSING DEVICE, BIOMETRIC-INFORMATION PROCESSING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - An biometric-information processing device includes a biometric-information acquiring unit that generates a biometric image representing biometric information on a surface of a specific portion of a user; a divider that divides the biometric image into multiple blocks; a prior-complexity-degree estimator that estimates, for each of the multiple blocks, a prior complexity degree indicating complexity of a pattern of part included in the biometric information and represented in the block, on a basis of a difference between a direction of the pattern of the part included in the biometric information and represented in the block and a direction of a pattern of other part included in the biometric information and represented in the block adjacent to that block; a posterity-complexity-degree determiner that determines, for each of the multiple blocks, a posterior complexity degree indicating complexity of an image of the part included in the biometric information and represented in the block. | 01-31-2013 |
20130279770 | BIOMETRIC INFORMATION REGISTRATION DEVICE AND BIOMETRIC INFORMATION REGISTRATION METHOD - The quality of biometric information that will be input the next time is estimated. Estimated matching quality information is calculated which indicates the degree of matching between estimated quality information and quality information of the actually input biometric information. Further, past quality information is calculated which indicates how the quality of a plurality of pieces of estimated matching quality information varied in the past. Then, whether or not the biometric information is to be registered is determined according to the estimated matching quality information and the past quality information. | 10-24-2013 |
20140133711 | BIOMETRIC INFORMATION CORRECTION APPARATUS, BIOMETRIC INFORMATION CORRECTION METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR BIOMETRIC INFORMATION CORRECTION - A biometric information correction method includes applying a correction process with respect to a first biometric image representing biometric information of a user to enhance a degree of clarity of the biometric information of the user, thereby creating a second biometric image, extracting a first feature amount representing features of the biometric information from the first biometric image and a second feature amount representing features of the biometric information from the second biometric image, calculating a degree of change representing a difference between the first feature amount and the second feature amount, and outputting the first feature amount when the degree of change indicates that an artifact has been created in the second biometric image. | 05-15-2014 |
20140294261 | BIOMETRIC INFORMATION PROCESSING APPARATUS AND BIOMETRIC INFORMATION PROCESSING METHOD - A biometric information processing apparatus includes: a biometric information acquiring unit which generates a biometric image representing biometric information of a plurality of fingers of a user; and a processor adapted to extract a biometric region capturing biometric information of each of the plurality of fingers in the biometric image; obtain the first distance between the biometric regions corresponding to two adjacent fingers of the plurality of fingers; and estimate an angle of spread between the two adjacent fingers according to a ratio of a value obtained by subtracting a distance between bases of the two fingers from the first distance, to a length from a base of one of the two adjacent fingers to the biometric information. | 10-02-2014 |
20150030216 | IMAGE PROCESSING APPARATUS AND METHOD - A processor configured to execute a process includes receiving image information including biometric information, extracting, from the image information, a first phase component image representing a phase component included in the image information, converting the image information into first frequency information and converts the first phase component image into second frequency information, extracting a first feature vector and a second feature vector respectively on the basis of amplitude information of the first frequency information and the second frequency information determined in advance, and combining the first feature vector and the second feature vector on the basis of a prescribed rule. | 01-29-2015 |