Patent application number | Description | Published |
20090156236 | APPARATUS AND METHOD FOR DETERMINING OPERATION OF LOCATION UPDATE IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for determining operation of location update in a broadband wireless communication system are provided. The apparatus includes a receiver, an interpreter, and a determiner. In an idle mode, the receiver receives a paging advertisement message from a Base Station (BS). The interpreter identifies paging group identification information included in the paging advertisement message. The determiner determines one of execution and non-execution of a location update process due to a change of a paging group if the paging group identification information is different from paging group identification information included in a previously received paging advertisement message. | 06-18-2009 |
20100157945 | Apparatus and method for changing serving cell in a high speed wireless communication system - A Radio Network Controller (RNC) in a high speed wireless communication system includes an apparatus to perform method for changing a serving cell in the high speed wireless communication system. The RNC receives UpLink (UL) cell change determination information representing UL channel states from a serving Base Station (BS) and a target BS. The UL is received if a UL soft handover of a Mobile Station (MS) is initiated depending on a DownLink (DL) channel quality of the MS. The RNC can determine UL cell change timing of the MS using the UL cell change determination information. Thereafter, the RNC can send an instruction of a UL cell change of the MS to the serving BS and the target BS. | 06-24-2010 |
20120315912 | APPARATUS AND METHOD FOR HANDOVER BETWEEN A HETEROGENEOUS COMMUNICATION SYSTEM AND A BROADBAND WIRELESS COMMUNICATION SYSTEM - An operating method, a base station, and terminal of a cell of a first communication system for a handover between the first communication system and a second communication system are provided. The method includes, when a terminal initiates a handover between the first communication system and the second communication system, transmitting, by the base station, a message, requesting to measure a signal level of a downlink, to the terminal, when a signal level measured by the terminal falls below a preset threshold, requesting, by the base station, a handover to the second communication system over a core network, receiving, by the base station, a message, including radio channel parameters the that is required when the terminal accesses to the second communication system, from the second communication system, and forwarding, by the base station, the message, including the radio channel parameters of the second communication system, to the terminal. | 12-13-2012 |
20140349657 | APPARATUS AND METHOD FOR HANDOVER BETWEEN A HETEROGENEOUS COMMUNICATION SYSTEM AND A BROADBAND WIRELESS COMMUNICATION SYSTEM - An operating method, a base station, and terminal of a cell of a first communication system for a handover between the first communication system and a second communication system are provided. The method includes, receiving, by the base station, a measurement report including measured signal quality, from a terminal, determining, by the base station, a handover initiation to a target radio access network, based on the measured signal quality, transmitting, by the base station, a handover request message to the target radio access network via a core network, receiving, by the base station, radio-related information that is required if the terminal accesses the target radio access network, from the target radio access network via the core network, and transmitting, by the base station, the radio-related information of the target radio access network, to the terminal, wherein the handover between the source radio access network and the target radio access network comprises an inter radio access technology (RAT) handover. | 11-27-2014 |
Patent application number | Description | Published |
20100121517 | METHOD AND APPARATUS FOR GENERATING SAFE PATH OF MOBILE ROBOT - A method for generating a safe path of a mobile robot includes searching for a whole path from a starting point to a destination point within a map information entered in the robot; extracting information about an expected distance between the robot and a peripheral obstacle when the robot moves along the searched whole path; and correcting the whole path locally using the information about the expected distance from the peripheral obstacle. | 05-13-2010 |
20100161224 | APPARATUS AND METHOD FOR DETECTING POSITION AND ORIENTATION OF MOBILE OBJECT - An apparatus for detecting a position and orientation of a mobile object includes: a relative position detection unit for acquiring a relative position with respect to movement of the mobile object; an absolute position detection unit for acquiring an absolute position of the mobile object; and a position updating unit for updating the position and orientation of the mobile object based on an initial or previous position of the mobile object and the relative position. The apparatus further includes: a position correction unit for updating a current position of the mobile object with the absolute position, and correcting the orientation of the mobile object by setting an orientation of the mobile object in the relative position equal to an orientation of the mobile object in the absolute position. | 06-24-2010 |
20110010083 | PATH SEARCH METHOD - A path search method of a mobile object in a grid map having a plurality of cells, each having an identical size, is provided. The path search method includes: generating a block map having a plurality of blocks by merging a specific number of cells in the grid map; obtaining a block path by finding a path from a starting position to a destination position in the block map; and obtaining a final path of the mobile object by performing a cell-based path search on cells in the blocks on the block path. | 01-13-2011 |
20110098874 | METHOD AND APPARATUS FOR NAVIGATING ROBOT - A method of navigating a robot includes creating a robot navigation map using a map database required for navigation of the robot; and creating a path on which no obstacle is located in the map database using the created robot navigation map. Further, the method of navigating the robot includes primarily controlling the robot so that the robot travels along the created path; and secondarily controlling the robot so that the robot avoids an obstacle on the path. | 04-28-2011 |
20120155711 | APPARATUS AND METHOD FOR ANALYZING VIDEO - Disclosed are an apparatus and a method for analyzing a video. The video analyzing apparatus includes a route analyzing unit configured to analyze a subject of a first-person view video and an object represented in the first-person view video based on the first-person view video and generate route information of the subject and the object; and an event analyzing unit configured to classify the first-person view video as a semantic event using the route information. | 06-21-2012 |
20120163662 | METHOD FOR BUILDING OUTDOOR MAP FOR MOVING OBJECT AND APPARATUS THEREOF - The method for building an outdoor map for a moving object according to an exemplary embodiment of the present invention includes: receiving a real satellite image for an outdoor space to which the moving object is to move; calculating pixel information including sizes of length and width pixels and a physical distance of one pixel in the real satellite image; measuring a reference position coordinate for a reference position selected from the real satellite image; and linking a pixel number corresponding to the reference position, the reference position coordinate, and the pixel information to the real satellite image in order to build the outdoor map for the moving object, and further includes creating information on a road network in which the moving object navigates based on the pixel number corresponding to the reference position, the reference position coordinate, and the pixel information. | 06-28-2012 |
20120236287 | EXTERNAL ENVIRONMENT VISUALIZATION APPARATUS AND METHOD - The present invention adjusts images received from plural cameras that are oriented to plural directions and combines the images with distance information. Thereafter, the circumstantial environment is visualized based on a moving object using an augmented reality technique to provide to a user. Specifically, the present invention adjusts images in plural directions and adds the distance information to improve the accuracy and uses a visualization method that displays the images with respect to the moving object. | 09-20-2012 |
20130083965 | APPARATUS AND METHOD FOR DETECTING OBJECT IN IMAGE - An apparatus and method detects an object in an original image captured by an image capturing device. The apparatus and method detects a location of the object using a thermal image for the captured image, designates a region of the detected object as an image inpainting region, restores a region corresponding to the region of the detected object using its surrounding information, examines a difference between the restored image and the original image, and separates an object region from the original image, thereby more accurately detecting the object. | 04-04-2013 |
20130202210 | METHOD FOR HUMAN ACTIVITY PREDICTION FROM STREAMING VIDEOS - A method for human activity prediction from streaming videos includes extracting space-time local features from video streams containing video information related to human activities; and clustering the extracted space-time local features into multiple visual words based on the appearance of the features. Further, the method for the human activity prediction includes computing an activity likelihood value by modeling each activity as an integral histogram of the visual words; and predicting the human activity based on the computed activity likelihood value. | 08-08-2013 |
20130287250 | METHOD AND APPARATUS FOR TRACKING OBJECT IN IMAGE DATA, AND STORAGE MEDIUM STORING THE SAME - Disclosed is a system for tracking an object in an image. A method for tracking an object in an image according to an exemplary embodiment of the present invention includes generating an object model represented by multiple patch histograms of an object that is divided into N partial patch regions and histograms are built from each patch region, forming an object model; estimating the probability of each image pixel being an object pixel; and determining the most promising location of an object in the image by using the estimated object probability values. According to the exemplary embodiment of the present invention, it is possible to more improve separability from a background than a case in which a single histogram mode is used, to increase tracking performance, and to more accurately search the object region than a mean-shift method of the related art. | 10-31-2013 |
20140119609 | IMAGE RECOGNIZING APPARATUS AND METHOD - An image recognizing apparatus includes a sample image acquiring unit configured to acquire a sample image having one or more target objects therein from a camera; and a reference range setting unit configured to calculate image locations and image heights for the respective target objects from the sample image and set a reference range of the image heights depending on the image positions. Further, the image recognizing apparatus includes a selection unit configured to determine whether a candidate area of each target object in the sample image acquired by the camera falls within the reference range to select an effective candidate area. | 05-01-2014 |