Patent application number | Description | Published |
20090080778 | PATTERN RECOGNITION METHOD AND APPARATUS FOR DATA PROTECTION - Provided a secure pattern recognition method. The method includes: receiving data and generating a probe by converting the received data into a template for pattern recognition; accessing a gallery that is a template registered and stored in advance; determining a region to which the probe belongs and obtaining the center point of the region; obtaining a hash value of the center point and coordinate of the probe; and determining whether or not the hash value of the center point and a hash value stored in the gallery are equal and determining whether or not the probe and the gallery are classified into the same class by calculating whether or not the coordinate of the probe is inside a decision boundary configured with thresholds on the basis of the coordinates of the center point. | 03-26-2009 |
20090113209 | BIOMETRIC AUTHENTICATION METHOD - Provided is a biometric authentication method. A biometric authentication method in accordance with an aspect of the present invention includes generating a first one-time authentication template from biometric information using one-time transform information, and requesting authentication, comparing the first one-time authentication template with a one-time registration template, updating the one-time registration template and the one-time transform information when authentication is achieved according to a result of the comparison, wherein the updated one-time transform information is used to generate a second one-time authentication template to be authenticated according to the result of the comparison with the updated one-time registration template when successive authentication is requested. | 04-30-2009 |
20090122194 | METHOD AND APPARATUS FOR REDUCING PICTURE - Provided are a method and apparatus for reducing picture, which can obtain a reduced picture by previously creating a picture reduction map that stores effective-pixel locations selected according to a picture reduction scale and a picture reduction algorithm, and then matching an input picture with the picture reduction map. The method for reducing picture includes constructing a picture reduction map according to a size of an incoming picture, and generating a sub-picture for reduction of an input picture by using the picture reduction map. | 05-14-2009 |
20090122979 | METHOD AND APPARATUS FOR PROTECTING PATTERN RECOGNITION DATA - Provided is a data protection technique that converts original data into a secure form so that even if data registered to a system or database is leaked, information relating to original data cannot be exposed from the leaked data. Accordingly, a method of generating a template for protecting data is provided, wherein the method includes: generating a positive numbered (n) registration feature vector g (g=[g | 05-14-2009 |
20100128938 | METHOD AND APPARATUS FOR DETECTING FORGED FACE USING INFRARED IMAGE - A method for detecting a forged face using an infrared image includes: acquiring an infrared image and a photorealistic image captured by one or two cameras; extracting a face region from the photorealistic image; determining, based on analysis of quality characteristics of the infrared image, whether a current face is a forged face or not; and performing face recognition on the extracted face region if it is determined that the current face is a non-forged face. The method further includes capturing an infrared image and a photorealistic image again through the camera without performing face recognition if it is determined that the current face is a forged face. | 05-27-2010 |
20100134250 | FORGED FACE DETECTING METHOD AND APPARATUS THEREOF - A forged face detecting method includes: acquiring a photorealistic image and an infrared image of a subject on which line beams are projected; extracting face features from the infrared image based on characteristics of a pattern of the line beams projected on the acquired infrared image; and detecting whether or not the infrared image is a forged face based on the extracted face features. Said detecting whether or not the infrared image is a forged face includes: checking whether the extracted face features falls within a preset permission range of face features; determining the infrared image to have the forged face if the extracted face features fall out of the range to acquire an infrared image of the subject again; and determining the infrared image to have a non-forged face if the extracted face features falls within the range to perform face recognition for the photorealistic image. | 06-03-2010 |
20100158319 | METHOD AND APPARATUS FOR FAKE-FACE DETECTION USING RANGE INFORMATION - A fake-face detection method using range information includes: detecting face range information and face features from an input face image; matching the face image with the range information; and distinguishing a fake face by analyzing the matched range information. | 06-24-2010 |
20100158371 | APPARATUS AND METHOD FOR DETECTING FACIAL IMAGE - A method of detecting a facial image includes pre-processing an image; and detecting a face region from the pre-processed image to create facial records of the detected face region. Further, the method of detecting the facial image includes detecting the facial image by creating coordinates of the face and eyes in the input image by using the facial records. | 06-24-2010 |
20110037563 | APPARATUS AND METHOD FOR BIOMETRIC REGISTRATION AND AUTHENTICATION - A biometric register includes: a feature extraction unit for performing preprocessing for a fingerprint to extract a feature point m for the fingerprint; a transformation function generation unit for generating a transformation function which is composed of an arbitrary rotation matrix and an arbitrary vector; and a template generation unit for transforming a coordinate of the feature point m using the generated transformation function, and organizing a fuzzy vault using a randomly generated fake feature point and a feature point m | 02-17-2011 |
20110123072 | FINGERPRINT VERIFICATION METHOD AND APPARATUS WITH HIGH SECURITY - A fingerprint verification apparatus that adds chaff fingerprint information to real fingerprint information of a user and then, hides and stores the fingerprint information of the user with a polynomial generated by unique information of the individual, thereby safely protecting the important fingerprint information of the user stored in a storing unit from an external attacker and safely managing an private key using the fingerprint information when using the private key as the unique information for making the polynomial. | 05-26-2011 |
20110302130 | INTELLIGENT VIDEO INFORMATION RETRIEVAL APPARATUS AND METHOD CAPABLE OF MULTI-DIMENSIONAL VIDEO INDEXING AND RETRIEVAL - Provided is an intelligent video information retrieval apparatus capable of multi-dimensional video indexing and retrieval. The intelligent video information retrieval apparatus includes an event detector configured to detect pieces of event information from footage collected by a plurality of video capture devices, a data mart builder configured to generate a data cube using the detected pieces of event information, and capture time and capture location information related to the pieces of event information, and store and manage the generated data cube, and a video retriever configured to receive an event retrieval condition from a user to retrieve event information corresponding to the received event retrieval condition using the data cube, and output the retrieval result to the user. | 12-08-2011 |
20120032781 | REMOTE PERSONAL AUTHENTICATION SYSTEM AND METHOD USING BIOMETRICS - Disclosed herein is a remote personal authentication system and method using biometrics. The remote personal authentication method using biometrics includes receiving a biometric information of a user remotely detected by a biometric information collection device; decrypting, in a hardware security module (HSM) of the user, the received biometric information and biometric information stored in the HSM; and performing personal authentication for the user by comparing the decrypted biometric information with each other in the HSM. | 02-09-2012 |
20120117090 | SYSTEM AND METHOD FOR MANAGING DIGITAL CONTENTS - Disclosed are a system and method for managing digital contents. An exemplary embodiment according to the present invention provides to a system for managing digital contents, including a learning module extracting feature vectors of input digital contents and performing column subspace mapping on the feature vectors to calculate a column subspace projection matrix; an index module using the matrix to perform an index work on the digital contents and then, storing the matrix and the digital contents; and a search module performing the column subspace mapping on the feature vectors of query data when the query data for searching the digital contents are input and searching the digital contents indexed by the matrix having high similarity to the mapped feature vectors of the query data. | 05-10-2012 |
20120124037 | MULTIMEDIA DATA SEARCHING METHOD AND APPARATUS AND PATTERN RECOGNITION METHOD - The present invention relates to multimedia search method and apparatus, and a pattern recognition method. The multimedia search method according to an exemplary embodiment of the present invention includes: searching for data corresponding to search condition data input by a user in search target data; selecting training data for machine learning on the basis of the search result; performing machine learning by using the selected training data; and modifying the search result by using the result of the machine learning. | 05-17-2012 |
20120154522 | OBJECT IMAGE CAPTURE APPARATUS AND METHOD - Disclosed herein is an object image capture apparatus. The object image capture apparatus includes a first camera unit, a second camera unit, and a control unit. The first camera unit obtains a wide-area view image by capturing a wide-area view region. The second camera unit obtains a close-up view image by capturing the close-up view region of the wide-area view region. The control unit controls the second camera unit by dividing the wide-area view image into a plurality of blocks, analyzing the resulting blocks, and defining a target block, in which a moving object is detected, as a close-up view region from among the plurality of blocks. | 06-21-2012 |
20140169664 | APPARATUS AND METHOD FOR RECOGNIZING HUMAN IN IMAGE - Disclosed herein are an apparatus and method for recognizing a human in an image. The apparatus includes a learning unit and a human recognition unit. The learning unit calculates a boundary value between a human and a non-human based on feature candidates extracted from a learning image, detects a feature candidate for which an error is minimized as the learning image is divided into the human and the non-human using the calculated boundary value, and determines the detected feature candidate to be a feature. The human recognition unit extracts a candidate image where a human may be present from an acquired image, and determines whether the candidate image corresponds to a human based on the feature that is determined by the learning unit. | 06-19-2014 |
20140177946 | HUMAN DETECTION APPARATUS AND METHOD - Disclosed herein is an apparatus and method for detecting a person from an input video image with high reliability by using gradient-based feature vectors and a neural network. The human detection apparatus includes an image preprocessing unit for modeling a background image from an input image. A moving object area setting unit sets a moving object area in which motion is present by obtaining a difference between the input image and the background image. A human region detection unit extracts gradient-based feature vectors for a whole body and an upper body from the moving object area, and detects a human region in which a person is present by using the gradient-based feature vectors for the whole body and the upper body as input of a neural network classifier. A decision unit decides whether an object in the detected human region is a person or a non-person. | 06-26-2014 |
20150025598 | ELECTRICAL STIMULATION SYSTEM AND CONTROL METHOD OF ELECTRICAL STIMULATION SYSTEM - Provided is an electrical system including an intelligent learning terminal to analyze biometric information associated with a user and calculate an intensity of electrical stimulation for the user based on a result of the analyzing, and at least one wireless electrical stimulator to provide electrical stimulation to the user based on the calculated intensity of electrical stimulation, wherein the intelligent learning terminal is connected to the at least one wireless electrical stimulator based on wired or wireless communication. | 01-22-2015 |