Patent application number | Description | Published |
20090046904 | FINGERPRINT RECOGNITION APPARATUS AND METHOD - Provided are a fingerprint recognition apparatus and method which are capable of protecting registered fingerprint data and recognizing a fingerprint more quickly and accurately. In the fingerprint recognition apparatus, a fingerprint image generator generates fingerprint image data of an input fingerprint, and a memory stores registration fingerprint data for authentication. In a registration mode, a fingerprint recognition processor transforms the fingerprint image data into the irreversible registration fingerprint data using a specific transformation scheme, and stores the transformed registration fingerprint data. In an authentication mode, the fingerprint recognition processor transforms the fingerprint image data into comparison fingerprint data using the specific transformation scheme, compares whether the comparison fingerprint data is identical to the registration fingerprint data, and controls the authentication process according to the comparison result. | 02-19-2009 |
20090079822 | APPARATUS AND METHOD FOR AUTOMATICALLY CONTROLLING POWER OF VIDEO APPLIANCE - Provided is an apparatus and method for automatically controlling power of a video appliance. The apparatus for automatically controlling power of a video appliance includes an image input unit for capturing a viewer's posture, a posture detection unit for detecting posture information from the image captured by the image input unit, a horizontal-level calculation unit for calculating a horizontal level by using the posture information detected by the posture detection unit and comparing the calculated horizontal level with a preset reference horizontal level, an alert-sound output unit for outputting an alert sound corresponding to the horizontal level compared by the horizontal-level calculation unit; and a power-signal transceiver unit for outputting a power-off signal to the video appliance corresponding to the horizontal level compared by the horizontal-level calculation unit. Accordingly, upright posture of viewers watching the video appliance can be ensured since a viewer's posture is detected and power of the video appliance is automatically controlled according to the detected posture. | 03-26-2009 |
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 |
20100128937 | MULTI-IMAGE ACQUISITION APPARATUS - A multi-image acquisition apparatus for use in a biometrics system includes a light splitting filter for reflecting or transmitting multi-image lights representing an image of a target subject provided along an identical light path into different bands; a first image sensor for imaging an iris area by capturing a fraction of the multi-image light which has been transmitted through the light splitting filter; and a second image sensor for imaging a facial area by capturing a fraction of the multi-image light which has been reflected from the light splitting filter. The apparatus further includes a control module for controlling the first image sensor and the second image sensor and providing the images obtained by the first sensor and second sensor for image recognition. | 05-27-2010 |
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 |
20110188712 | METHOD AND APPARATUS FOR DETERMINING FAKE IMAGE - An apparatus for determining a fake image includes an image-acquiring block for acquiring an image captured by and input from a camera; and a background-learning block for learning a background of the image to create a learning background. Further, the apparatus for determining the fake image includes a face extracting-block for extracting a face region of a person to be authenticated when an input image for authentication is transmitted from the camera; and an inter-background comparing block for comparing a present background of an input image with the learning background. Furthermore, the apparatus for determining the fake image includes a motion information-comparing block for extracting motion information in the face region and the present background to compare the same with each other; and a fake image-determining block for determining whether the input image is faked using the compared results of the motion information and the backgrounds. | 08-04-2011 |
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 |
20120105200 | PORTABLE SENSOR APPARATUS AND BIOMETRIC RECOGNITION-BASED SERVICE SYSTEM HAVING THE SAME - A portable sensor apparatus allowing a mobile device to obtain biometric recognition data required for providing various services without changing the structure and size of the mobile device, and a biometric recognition-based service system having the same are provided. The portable sensor apparatus interworking with a mobile device through a short-distance wireless network includes: a sensor unit acquiring biometric recognition data; a short-distance wireless communications unit providing the biometric recognition data to the mobile device through the short-distance wireless network or receiving a request from the mobile device; a microprocessor commanding to acquire the biometric recognition data in response to a request from the mobile device or a user request; and a user interaction unit receiving the user request or displaying an operational state of the portable sensor apparatus. | 05-03-2012 |
20140089236 | LEARNING METHOD USING EXTRACTED DATA FEATURE AND APPARATUS THEREOF - Disclosed is a learning method using extracted data features for simplifying a learning process or improving accuracy of estimation. The learning method includes dividing input learning data into two groups based on a predetermined reference, extracting data features for distinguishing the two divided groups, and performing learning using the extracted data features. | 03-27-2014 |
20140178030 | VIDEO RECORDING APPARATUS FOR VEHICLE AND VIDEO RECORDING METHOD FOR VEHICLE - Disclosed is a video recording apparatus for a vehicle, which includes a camera unit formed so as to change a capturing direction; a driver's viewing direction detecting unit configured to detect a driver's viewing direction; a control unit configured to control the camera unit so that the detected viewing direction corresponds to the capturing direction; and a storing unit configured to store a video obtained by the camera unit. Therefore, a video in a direction at which the driver views is obtained and stored without mounting a plurality of cameras so that it is possible to obtain a video for a situation of an accident of a vehicle of the driver or a vehicle of another driver occurring not only in the front of the driver's vehicle but also in the side of the driver's vehicle. | 06-26-2014 |