| Patent application number | Description | Published |
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| 20090115600 | CONTEXT-AWARE BASED RFID PRIVACY CONTROL SYSTEM AND PERSONAL PRIVACY PROTECTION METHOD USING THE SAME - Disclosed are a Radio Frequency Identification (RFID) personal privacy control system and a personal privacy protection method using the same which may dynamically process a privacy level according to peripheral circumstances of an RFID tagged object and an owner of the object, thereby securely protecting personal information associated with the RFID tag. The RFID privacy control server, the RFID privacy control server includes a context-aware information collecting unit to collect at least one context-aware information about a user; a privacy level adjusting unit to adjust a privacy level of the user based on the collected context-aware information; and a privacy control unit to determine, according to the adjusted privacy level, whether access of an RFID reader to RFID tag information is allowed, the RFID tag information corresponding to an RFID tag associated with the user. | 05-07-2009 |
| 20090153553 | Method and apparatus for creating 3D face model by using multi-view image information - A method for creating a 3D face model by using multi-view image information, includes: creating a mesh structure for expressing an appearance of a 3D face model by using a first multi-view image obtained by capturing an expressionless face of a performer; and locating joints of a hierarchical structure in the mesh structure, by using a second multi-view image obtained by capturing an expression performance of the performer. Further, the method includes creating a 3D face model that is animated to enable reproduction of a natural expression of the performer, by setting dependency between the joints and the mesh structure. | 06-18-2009 |
| 20090153554 | Method and system for producing 3D facial animation - A method for producing a 3D facial animation using a single facial video stream, includes producing a representative joint focused on a major expression producing element in a 3D standard facial model, producing a statistical feature-point model of various facial expressions of different people in the 3D standard facial model, moving each feature-point of the statistical feature-point model by tracking a change in facial expressions of the video stream, calculating a transformation coefficient of the representative joint corresponding to a variation of the feature-point of the 3D standard facial model, and producing a 3D facial animation by applying the calculated transformation coefficient to transform the representative joint. | 06-18-2009 |
| 20090153569 | Method for tracking head motion for 3D facial model animation from video stream - A head motion tracking method for three-dimensional facial model animation, the head motion tracking method includes acquiring initial facial motion to be fit to an image of a three-dimensional model from an image inputted by a video camera; creating a silhouette of the three-dimensional model and projecting the silhouette; matching the silhouette created from the three-dimensional model with a silhouette acquired by a statistical feature point tracking scheme; and obtaining a motion parameter for the image of the three-dimensional model through motion correction using a texture to perform three-dimensional head motion tracking. In accordance with the present invention, natural three-dimensional facial model animation based on a real image acquired with a video camera can be performed automatically, thereby reducing time and cost. | 06-18-2009 |
| 20090153673 | Method and apparatus for accuracy measuring of 3D graphical model using images - Disclosed is a technology for measuring a degree of accuracy of a 3D graphical model by using images. The technology includes creating camera parameters by calculating a position, a direction, and intrinsic parameters of a camera through a calibration of the camera to a reference image which is photographed for reference during creation of the 3D graphical model of an actually existing object; calculating a position and a direction of the 3D graphical model based on a corresponding relation between the reference image and 3D graphical model data obtained by digitizing the actually existing object; creating a synthesized image by rendering the 3D graphical model using the camera parameters; extracting characteristics of the reference image and the synthesized image; and calculating distance and length errors based on a corresponding relation between the extracted characteristics of the two images. | 06-18-2009 |
| 20090153745 | MULTI-VIEW CAMERA COLOR CALIBRATION METHOD USING COLOR CHECKER CHART - A multi-view camera color calibration method using a color checker chart, includes measuring a brightness range of photographic data being input from multiple cameras; photographing the color checker chart for each camera and adjusting a brightness value of the chart to be within the brightness range of an input image of each camera; correcting brightness of each camera by using a gray patch of the checker chart; modeling a relationship between a color value of the checker chart obtained by each camera and a standard color value provided by the color checker chart; and correcting differences in color as a result of the modeling, to calibrate colors among the multiple cameras. Therefore, the three-dimensional information of a moving object for photography which cannot be photographed by moving only one camera is capable of being restored. | 06-18-2009 |
| 20090154794 | Method and apparatus for reconstructing 3D shape model of object by using multi-view image information - A method for reconstructing a 3D shape model of an object by using multi-view image information, includes: inputting multi-view images obtained by photographing the object from multiple viewpoints in a voxel space, and extracting silhouette information and color information of the multi-view images; reconstructing visual hulls by silhouette intersection using the silhouette information; and approximating polygons of cross-sections of the visual hulls to a natural geometric shape of the object by using the color information. Further, the method includes expressing a 3D geometric shape of the object by connecting the approximated polygons to create a mesh structure; extracting color textures of a surface of the object by projecting meshes of the mesh structure to the multi-view image; and creating a 3D shape model by modeling natural shape information and surface color information of the object. | 06-18-2009 |
| 20090251470 | System and method for compressing a picture - A system for compressing a picture includes: an information extraction unit for extracting information needed for encoding during a picture scene composition and animation process using a modeling object; and a rendering unit for generating an uncompressed picture sequence by rendering the object where the picture scene composition and animation process is performed. Further, the system for compressing a picture includes an encoding unit for generating a compressed bit stream by encoding the picture sequence from the rendering unit based on the information extracted by the information extraction unit. | 10-08-2009 |
| 20100156901 | METHOD AND APPARATUS FOR RECONSTRUCTING 3D MODEL - A method of reconstructing a 3D model includes reconstructing a 3D voxel-based visual hull model using input images of an object captured by a multi view camera; converting the 3D voxel-based visual hull model into a mesh model; and generating a result of view-dependent rendering of a 3D model by performing the view-dependent texture mapping on the mesh model obtained through the conversion. Further, the reconstructing includes defining a 3D voxel space to be reconstructed; and excluding voxels not belonging to the object from the defined 3D voxel space. | 06-24-2010 |
| 20100156935 | METHOD AND APPARATUS FOR DEFORMING SHAPE OF THREE DIMENSIONAL HUMAN BODY MODEL - A method of deforming a shape of a human body model includes the steps of reorganizing human body model data into a joint-skeleton structure-based Non-Uniform Rational B-spline (NURBS) surface model, generating statistical deformation information about control parameters of the NURBS surface model based on parameters of joints and key section curves for specific motions, and deforming the shape of the human body model based on the NURBS surface model and the statistical deformation information. The human body model data includes three-dimensional (3D) human body scan data and a 3D polygon mesh. | 06-24-2010 |
| 20100157020 | MULTIPLE CAMERA CONTROLLING AND IMAGE STORING APPARATUS FOR SYNCHRONIZED MULTIPLE IMAGE ACQUISITION AND METHOD THEREOF - The invention provides a camera controlling and image storing apparatus for synchronized multiple image acquisition and method thereof, which cut down equipment costs by taking a software approach with respect to various demands of viewers for a broadcasting image. A camera controlling and image storing apparatus, the apparatus includes an image acquiring unit for acquiring synchronized images from multiple cameras losslessly, one or more ingest agents for storing the acquired images, and controlling pan, tilt and zoom operations of the cameras based on the acquired images, and a central server for transmitting a control command to the ingest agents, and receiving and integrating collectively the stored images of the ingets agent. | 06-24-2010 |
| 20100157022 | METHOD AND APPARATUS FOR IMPLEMENTING MOTION CONTROL CAMERA EFFECT BASED ON SYNCHRONIZED MULTI-IMAGES - A method of implementing a motion control camera effect includes: inputting images of an object captured at one or more points of view; inputting a control parameter containing a motion control camera effect to be applied to the input images, a target time of the motion control camera effect, and a reproducing speed; extracting frames of the target time from the input images; processing the frames using software based on the control parameter; and outputting the processed frames at the reproducing speed. The motion control camera effect includes at least one of a motion control camera effect for a fixed viewpoint still object, a motion control camera effect for a fixed viewpoint moving object, a motion control camera effect for a free viewpoint still object, a motion control camera effect for a free viewpoint moving object, and a dual motion control camera effect. | 06-24-2010 |
| 20100158354 | METHOD OF CREATING ANIMATABLE DIGITAL CLONE FROM MULTI-VIEW IMAGES - The present invention relates to a method of creating an animatable digital clone includes receiving input multi-view images of an actor captured by at least two cameras and reconstructing a three-dimensional appearance therefrom, accepting shape information selectively based on a probability of photo-consistency in the input multi-view images obtained from the reconstruction and transferring a mesh topology of a reference human body model onto a shape of the actor obtained from the reconstruction. The method further includes generating an initial human body model of the actor via transfer of the mesh topology utilizing sectional shape information of the actor's joints, and generating a genuine human body model of the actor from learning genuine behavioral characteristics of the actor by applying the initial human body model to multi-view posture learning images where performance of a predefined motion by the actor is recorded. | 06-24-2010 |
| 20100158372 | APPARATUS AND METHOD FOR SEPARATING FOREGROUND AND BACKGROUND - Disclosed herein is an apparatus and method for separating a foreground and a background. The apparatus includes a background model creation unit for creating a code book including a plurality of code words in order to separate the foreground and the background, and a foreground/background separation unit for separating the foreground and the background using the created code book. The method includes the steps of creating a code book including a plurality of code words in order to separate the foreground and the background, rearranging the cord words of the created code book on the basis of the number of sample data that belong to each of the code words, and separating the foreground and the background using the code book. | 06-24-2010 |
| 20100277279 | RFID PRIVACY PROTECTION METHOD AND APPARATUS - A Radio Frequency Identification (RFID) privacy protection method and apparatus is provided. The RFID privacy protection method includes: receiving a password of a tag; reading a code value from the tag; performing authentication of a user with respect to the tag using the code value and the password; and deactivating the tag electrically or physically based on a result of the performing. | 11-04-2010 |
| 20100277287 | COMMUNICATION DATA PROTECTION METHOD BASED ON SYMMETRIC KEY ENCRYPTION IN RFID SYSTEM, AND APPARATUS FOR ENABLING THE METHOD - A communication data protection method based on symmetric key encryption, and an apparatus for enabling the method are provided. A communication data protection method using a Radio Frequency Identification (RFID) reader, the method including: receiving, from a tag, tag information including security parameter information and an encrypted Unique Item Identifier (UII); extracting the UII based on the security parameter information; transmitting, to the tag, a request message including a challenge value for replay prevention; and performing a tag authentication by receiving, from the tag, a response message including a handle and the challenge value. | 11-04-2010 |
| 20110037763 | METHOD AND APPARATUS FOR REAL TIME 3D MESH COMPRESSION, BASED ON QUANITZATION - An apparatus for 3D mesh compression based on quantization, includes a data analyzing unit ( | 02-17-2011 |
| 20110046923 | APPARATUS AND METHOD FOR LOW-COMPLEXITY THREE-DIMENSIONAL MESH COMPRESSION - An apparatus for compressing low-complexity 3D mesh, includes: a data analyzing unit for decomposing data of an input 3D mesh model into vertices information, property information representing property of the 3D mesh model, and connectivity information between vertices constituting the 3D mesh model; a mesh model quantizing unit for producing quantized vertices, property and connectivity information of the 3D mesh model by using the vertices, property and connectivity information; and a sharable vertex analysis unit for analyzing sharing information between shared vertices of the 3D mesh model. Further, the apparatus includes a data modulation unit for performing a circular DPCM prediction by using quantized values of the consecutive connectivity information of the 3D mesh model; and an entropy encoding unit for outputting coded data of the quantized vertices and property information, and differential pulse-code modulated connectivity information as a bitstream. | 02-24-2011 |
| 20110096847 | APPARATUS AND METHOD FOR PARSING BITSTREAM - Disclosed is an apparatus and method for parsing a bitstream. The apparatus may include an input port analyzer to analyze an input port indicating a source of data in a description, a data receiver to receive the data via the analyzed input port, and a parsing controller to control a parsing process based on the data received via the input port. | 04-28-2011 |
| 20110123168 | MULTIMEDIA APPLICATION SYSTEM AND METHOD USING METADATA FOR SENSORY DEVICE - A multimedia application system uses metadata for sensory devices. The system includes: a sensory-device engine for generating a sensory device command (SDC) for controlling the sensory devices based on sensory effect information (SEI) generated to represent sensory effects by using the sensory devices depending on video contents, user preference information (UPI) of the sensory devices and device capability information (DCI) indicative of reproducing capability of the sensory devices; and a sensory-device controller for controlling sensory devices to perform sensory effect reproduction in response to the generated SDC. | 05-26-2011 |
| 20110148865 | METHOD FOR AUTOMATIC RIGGING AND SHAPE SURFACE TRANSFER OF 3D STANDARD MESH MODEL BASED ON MUSCLE AND NURBS BY USING PARAMETRIC CONTROL - The present invention relates to a method for automatic rigging and shape surface transfer of a 3-D standard mesh model based on muscles and Nurbs by using parametric control. The method for automatic rigging and appearance surface transfer of 3-D standard mesh model based on muscle and Nurbs by using parametric control includes: extracting a joint-skeleton structure from scan data of dynamic objects having a skeleton structure, or input 3-D mesh models, generating a muscle and a appearance surface based on anatomy information, and generating a standard mesh model that approximates the appearance of the models by using the extracted joint-skeleton structure and the generated muscle and appearance surface; and performing the transfer of the standard mesh model by controlling the parameter so that the occupying error between the multi-view image information of the dynamic objects and the projection image information of the approximating standard mesh model is in the predetermined allowable error range. | 06-23-2011 |
| 20110148866 | THREE-DIMENSIONAL URBAN MODELING APPARATUS AND METHOD - Disclosed herein is a 3D urban modeling apparatus and method. The 3D urban modeling apparatus includes a calibration unit for calibrating data about a translation and a rotation of at least one capturing device at a time that input aerial images and terrestrial images were captured. A building model generation unit generates at least one 3D building model based on the aerial images and the terrestrial images to which results of the calibration have been applied. A terrain model generation unit generates a 3D terrain model by converting an input digital elevation model into a 3D mesh. A texture extraction unit extracts textures related to the building model and the terrain model from the aerial images and the terrestrial images. A model matching unit generates a 3D urban model by matching the building model with the terrain model, which are based on the textures, with each other. | 06-23-2011 |
| 20110149074 | PORTABLE MULTI-VIEW IMAGE ACQUISITION SYSTEM AND MULTI-VIEW IMAGE PREPROCESSING METHOD - Provided are a portable multi-view image acquisition system and a multi-view image preprocessing method. The portable multi-view image acquisition system may include: a portable studio including a plurality of cameras movable up, down, left and right; and a preprocessor performing a preprocessing including a subject separation from a multi-view image that is photographed by the plurality of cameras. | 06-23-2011 |
| 20110149093 | METHOD AND APPARATUS FOR AUTOMATIC CONTROL OF MULTIPLE CAMERAS - Disclosed are an apparatus and a method for automatic control of multiple cameras capable of supporting an effective camera view angle in a broadcast, a movie, etc. The automatic control apparatus of multiple cameras includes: a first main camera; a first camera driver controlling an operation of the first main camera; a second main camera; a second camera driver controlling an operation of the second main camera; at least one auxiliary camera; at least one third camera driver controlling an operation of the at least one auxiliary camera; and an interoperation processor changing a view angle of the at least one auxiliary camera by controlling the at least one third camera driver in accordance with a view angle changing reference changed by changing the view angle of the first main camera, the second main camera, or the first and second main cameras. | 06-23-2011 |
