Patent application number | Description | Published |
20080226143 | CHARACTER NOISE ELIMINATING APPARATUS, CHARACTER NOISE ELIMINATING METHOD, AND CHARACTER NOISE ELIMINATING PROGRAM - To provide a character noise eliminating apparatus that can eliminate a character noise when a fingerprint ridgeline area has a higher density than a character noise area. A character noise eliminating apparatus includes a device for repeating a processing in which a binary image is generated by binarizing an image with a binarization threshold that is inputted by an operator and the binary image is displayed on a data display device, and determining the character noise area, a device for setting density conversion area layers inside and outside the character noise area, and a device for setting a neighboring pixel group within the same density conversion area layer as the density conversion area layer to which a target pixel belongs as a reference area of the target pixel, with respect to pixels in the density conversion area layers, and generating a density converted image applying a local image enhancement. | 09-18-2008 |
20090232397 | APPARATUS AND METHOD FOR PROCESSING IMAGE - An image processing apparatus includes a data storage section configured to store an image data of a streaked pattern image as a gray-scale image and a direction distribution data indicating a direction distribution of a streaked pattern noise in a first area of the streaked pattern image; and a first image enhancing section configured to execute a first image enhancing process in the first area. The direction distribution data relates a first position as a position of a first pixel in the first area and a first direction as a direction of the streaked pattern noise in the first position. The first image enhancing section determines a first reference area as a local area which contains the first pixel based on the first direction such that the first reference area is contained in the first area, and calculates a post-process density as a density after the first image enhancing process in the first pixel based on a first density histogram in the first reference area. | 09-17-2009 |
20090245648 | RIDGE DIRECTION EXTRACTING DEVICE, RIDGE DIRECTION EXTRACTING PROGRAM, AND RIDGE DIRECTION EXTRACTING METHOD - To extract the ridge directivities properly and precisely by suppressing a bad influence of noises having a periodicity. A ridge directivity is assumed along some direction codes set in advance, and the reliability indicating the probability of the assumed direction code being consistent with a valley is obtained for each direction code by a unit of pixel based on a difference between a density of a target pixel and densities of pixels neighboring to the target pixel in a direction orthogonal to the assumed direction code, and the direction having the maximum reliability is determined as the ridge directivity of the target pixel. | 10-01-2009 |
20110058714 | SYSTEM FOR RECOGNIZING FINGERPRINT IMAGE, METHOD AND PROGRAM FOR THE SAME - A fingerprint recognition system for extracting minutiae from a fingerprint image. The fingerprint recognition system generates a corrected image from the input fingerprint image by: eliminating incipient ridges/pores from the fingerprint image by using the density pattern of the pixels of ridge lines/valley lines in the direction orthogonal to the length direction of the ridge lines. The minutiae are extracted from the corrected image. | 03-10-2011 |
20120057764 | STRIPE PATTERN IMAGE ANALYSIS DEVICE, STRIPE PATTERN IMAGE ANALYSIS METHOD, AND PROGRAM THEREOF - Provided is a stripe pattern image analysis device by which a burden of an appraiser regarding a new charting point searching designation operation can be reduced. The device includes a charting point modification element obtaining or modifying a first point located on a first stripe pattern image displayed in a first window, and a second point which is corresponding to the first point and located on a second stripe pattern image displayed in a second window; a nonlinear coordinate transformation element transforming the first stripe pattern image using a nonlinear coordinate transformation so that a first coordinate of the first point in the first window matches a second coordinate of the second point in the second window; and a charting figure edit and display element displaying the first stripe pattern image, transformed by the nonlinear coordinate transformation element by use of the nonlinear coordinate transformation, in the first window. | 03-08-2012 |
20120057797 | PATTERN NOISE REMOVAL DEVICE, PATTERN NOISE REMOVAL METHOD, AND PATTERN NOISE REMOVAL PROGRAM - Disclosed is a pattern noise removal device for removing background pattern noise having periodicity from a digital image, which includes a candidate pixel extracting module for extracting candidate pixels that constitute the background pattern noise from the pixels in the image on the bases of the concentration of each of the pixels, a dot pattern feature extracting module for extracting the feature of a dot pattern formed by each of the candidate pixels and the peripheral neighborhood pixels among the extracted candidate pixels, a dot pattern area extracting module for extracting a dot pattern area including the candidate pixels of the periodicity and the neighborhood pixels, which have the feature of the dot pattern, and a periodic pattern noise removal module for removing the candidate pixels of the periodicity and the neighborhood pixels, which are included in the dot pattern area, as the background pattern noise. | 03-08-2012 |
20130216106 | IMAGE MATCHING DEVICE - A feature-point matching unit calculates a first matching score between first and second biological patterns, based on: first and second feature-point data indicating first and second feature-point sets of first and second ridge patterns included in first and second images of first and second biological patterns respectively, and generates a corresponding feature-point list by extracting a corresponding feature-point set being a set of corresponding feature-points between the first and second feature point sets. A non-linear image conversion unit performs a first non-linear conversion making the first image approximate to the second based on the corresponding feature-point list. A feature point matching unit calculates a second matching score between the first and second biological patterns based on the first image after the first non-linear image conversion and the second. A high matching accuracy is achieved in fingerprint or palmprint matching using a low-quality image. | 08-22-2013 |
20140044324 | TENRPRINT CARD INPUT DEVICE, TENPRINT CARD INPUT METHOD AND STORAGE MEDIUM - A system, which computer processes a tenprint card where fingerprint images are imprinted, provides a processing mechanism which automatically crops or segments respective fingerprint images on the tenprint card. In particular, the system provides: a processing mechanism which appropriately crops or segments a slap print image, even if a fingerprint image of slap prints does not fit in a predetermined frame or even if noise other than fingerprints to be cropped or segmented is present within a frame of a four-finger slap, by using a result of matching with rolled prints; and a processing mechanism which checks a correspondence relationship between the rolled prints and the plane prints, assesses a finger position, and detects an error of imprinting position. | 02-13-2014 |
20140205162 | RIDGE DIRECTION EXTRACTION DEVICE, RIDGE DIRECTION EXTRACTION METHOD, AND RIDGE DIRECTION EXTRACTION PROGRAM - A ridge direction extraction unit, which analyses the shape of a ridge in a fingerprint image and extracts the ridge direction that indicates the slope of the ridge, includes: a low confidence region density value conversion module that reduces the density values in a low confidence region to generate a density conversion image; a synthesized image generating module for synthesizing a high confidence region and the low confidence region to generate a synthesized image; an auxiliary direction determining function for determining which ridge direction in the synthesized image is to be the auxiliary direction and deriving the degree of confidence in the auxiliary direction; and a high confidence region expanding module for calculating the degree of confidence in the direction, and correcting the ridge direction in the low confidence direction contiguous with the high confidence region so as to increase the degree of confidence in the ridge direction. | 07-24-2014 |
20150094084 | DISTRIBUTION DEVICE, DISTRIBUTION METHOD, AND TERMINAL DEVICE - A distribution device according to the present application includes a receiving unit, a calculation unit, and a distribution unit. The receiving unit receives location information from a terminal device owned by a user. The calculation unit calculates, once the receiving unit receives the location information, an expected time within which the user arrives from a first coverage region in which communication is possible by way of an out-of-coverage region in which communication is impossible to a second coverage region. The distribution unit distributes an alert to a predetermined distribution destination if the location information of the second coverage region is not received from the terminal device within the expected time calculated by the calculation unit. | 04-02-2015 |
20150220769 | STRIPED PATTERN IMAGE EXAMINATION SUPPORT DEVICE, STRIPED PATTERN IMAGE EXAMINATION SUPPORT METHOD AND PROGRAM - Provided are a striped pattern image examination support device, method, and program. The device includes: image transformation element for transforming at least one of two striped pattern images so as to cause coordinates of charting points, which are points that correspond across the two striped pattern images, to match in a plurality of pairs of the charting points which are included in the two striped pattern images; intersecting point extraction element for calculating coordinates of intersecting points of stripes in the striped pattern images and line segments each of which connects two of the charting points in the striped pattern images; charting diagram display element for displaying the two striped pattern images after transformation by the image transformation element, and displaying figures representing charting points at positions corresponding to coordinates after the transformations of each of the charting points on the two striped pattern images. | 08-06-2015 |
Patent application number | Description | Published |
20120164662 | TEST METHOD ON RENAL DISEASES - Provided is a test method for the assessment of the necessity of renal biopsy in a subject to be tested, who is suspected of having a renal disease. Specifically provided are a test method for a renal disease, including using urinary podocalyxin and one or more additional markers in combination, and a test reagent for use in the test method and a test reagent kit for use in the test method. The present invention allows the discrimination of a poor prognosis group even for poor prognosis cases with no overt findings in a conventional test method, and thus allows the assessment of a renal disease, the assessment of the necessity of renal biopsy, prognostic prediction, and the like to be performed exactly. | 06-28-2012 |
20120164667 | METHOD FOR TEST ON DIABETIC NEPHROPATHY - Provided is a test method for the detection of diabetic nephropathy at an early stage as compared to a conventional method. Specifically provided are: a test method for diabetic nephropathy, including detecting urinary podocalyxin; the test method, further including assessing diabetic nephropathy at least Stage I; a test reagent for use in the test method; and a test reagent kit for use in the test method. The present invention is based on a finding that urinary podocalyxin reflects the development and condition of diabetic nephropathy with high sensitivity at an early stage as compared to urinary albumin. | 06-28-2012 |
20120322087 | METHOD FOR EXAMINING ACUTE RENAL DISORDER - Provided is a test method for acute kidney injury, including detecting urinary podocalyxin. According to the test method, a subject to be tested who has a higher value for the urinary podocalyxin than a reference value can be assessed to have acute kidney injury. Further, as compared to a conventional method, the test method allows acute kidney injury to be assessed accurately and non-invasively, which allows a physical burden on a patient to be reduced. Thus, the test method is useful. | 12-20-2012 |