Patent application number | Description | Published |
20090154294 | METHOD AND SYSTEM FOR RECOGNIZING LOCATION BY USING SOUND SOURCES WITH DIFFERENT FREQUENCIES - Provided are a method and a system for recognizing a location to control the location of a moving object by installing an ultrasonic satellite transmitting an ultrasonic signal. The method includes generating a synchronizing signal at a plurality of the ultrasonic satellites. The ultrasonic satellites simultaneously transmit the ultrasonic signals respectively having different frequency from each other. A receiver of the moving object receiving the ultrasonic signal measures a distance between the receiver of the moving object and each ultrasonic satellite by classifying a frequency of the ultrasonic signal, and calculates a current location of the moving object by using the measured distance. The system includes ultrasonic satellites for transmitting ultrasonic signals, a moving object for recognizing a current location by receiving the ultrasonic signals from the ultrasonic satellites, a reference time broadcasting device for providing a synchronizing signal to the ultrasonic satellites and the moving object in operation, and a server for providing coordinates of the ultrasonic satellites to the moving object. | 06-18-2009 |
20110148922 | APPARATUS AND METHOD FOR MIXED REALITY CONTENT OPERATION BASED ON INDOOR AND OUTDOOR CONTEXT AWARENESS - Provided are an apparatus and method for mixed reality content operation based on indoor and outdoor context awareness. The apparatus for mixed reality content operation includes a mixed reality visualization processing unit superposing at least one of a virtual object and a text on an actual image which is acquired through the camera to generate a mixed reality image; a context awareness processing unit receiving at least one of sensed data peripheral to the mobile device and a location and posture data of the camera to perceive a peripheral context of the mobile device on the basis of the received data; and a mixed reality application content driving unit adding a content in the mixed reality image to generate an application service image, the content being provided in a context linking type according to the peripheral context. | 06-23-2011 |
20120158775 | SYSTEM AND METHOD FOR PROVIDING USER-CUSTOMIZED CONTENT - The system for providing user-customized content includes, a personal information database server in which user profile information and content usage history information are stored, a content server which receives user identification information and user context information from a ubiquitous sensor network, receives the user profile information and the content usage history information from the personal information database server, and searches for customized content corresponding to a user based on the received information, and a content browsing server which processes the customized content received from the content server into a form that can be displayed on a user terminal and provides the processed customized content to the user terminal. Therefore, it is possible to provide a wide range of services to the user and allow the user's personal inclination or preference as well as the user's temporal or spatial context to be subject to the services | 06-21-2012 |
20130155476 | SYSTEM OF DISPLAYING DIGITAL HOLOGRAM BASED ON PROJECTION AND METHOD THEREOF - Disclosed are a system and a method for performing buoyance of a 3D hologram image on a hologram display screen in a projection mode. A system of displaying a digital hologram includes: a composite hologram unit configured to generate a hologram array by receiving hologram data of a fringe pattern and by compositing background image and a foreground image using the received fringe pattern; a hologram projection unit configured to project a hologram image through a wide-angle lens by applying a light to the hologram array; and a hologram display unit configured to perform space buoyance of the hologram image projected by the hologram projection unit on a 3D hologram display screen. The digital hologram content is managed in real time by using the present disclosure, and transmission of the digital hologram content to a remote place and site adaptive display of hologram image media may be achieved. | 06-20-2013 |
20130208010 | METHOD FOR PROCESSING INTERACTION BETWEEN USER AND HOLOGRAM USING VOLUMETRIC DATA TYPE OBJECT WAVE FIELD - Disclosed is a method for processing interaction between a user and hologram using a volumetric data type object wave field. A method for processing interaction between a user and hologram for user's action using a volumetric data type object wave field includes: capturing user action on the holographic image of the object and solving collision between user and object; computing the updated position and rotation of the object by time integration of rigid body equation in collision; calculating the relative position and rotation of the hologram plane with respect to local object coordinates; transforming the hologram in the pre-computed volumetric object wave field grid according to the relative position and rotation of the hologram plane in local object coordinates and reading the object wave fields at all the pixels of the transformed hologram plane in order to generate a new hologram for the transformed object caused by user action. | 08-15-2013 |
20140085692 | METHOD AND SYSTEM FOR PROCESSING HOLOGRAM DATA USING HOLOGRAM FRINGE DATA FORMAT ADAPTIVE TO DATA ENCODING SCHEME - A hologram data processing method using a hologram fringe data format adaptive to a data encoding scheme includes configuring model data of a three-dimensional (3D) object corresponding to source data to be used for generating a hologram, computing hologram fringe data by applying a diffraction transform to a light wave transferred to a hologram plane based on the model data of the 3D object, setting, in the computed hologram fringe data, the hologram fringe data format adaptive to a data encoding scheme for reconstructing the hologram, reconstructing an optical hologram by applying the data encoding scheme to the hologram fringe data, and adjusting the optical hologram by comparing a reconstructed image of the optical hologram to a reconstructed image of a numerical hologram. | 03-27-2014 |
20140313555 | DIGITAL HOLOGRAM SYNTHESIS METHOD AND APPARATUS - Provided are a digital hologram synthesis method and apparatus based on an angular spectrum. The digital hologram synthesis method includes representing an input digital hologram as at least one angular spectrum region by applying Fourier transformation to the input digital hologram, registering the at least one angular spectrum region by projecting the at least one angular spectrum region onto a spherical surface, and generating a synthesis digital hologram based on the registered at least one angular spectrum region. Accordingly, it is possible to generate a new digital hologram with a different orientation or at a different distance using an angular spectrum of a digital hologram generated in advance, without geometric information of an object. In addition, it is possible to readily and intuitively synthesize a new digital hologram while viewing an image visualized in a 3D space. | 10-23-2014 |
20150029565 | DEVICE AND METHOD FOR FEEDBACK BASED DIGITAL HOLOGRAPHIC CONTENT RECONSTRUCTION VERIFICATION - Provided are a device and a method for feedback based digital holographic content reconstruction verification. The device may include a generator to generate a holographic content by receiving a first parameter value, a reconstructor to reconstruct a hologram from the holographic content, and a feedback based interface to adjust the first parameter value to be a second parameter value by receiving feedback on the hologram. | 01-29-2015 |