Patents by Inventor Seung-woo Nam
Seung-woo Nam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8675766Abstract: A method of transmitting pilot signals by a transmitter in a multiple-input multiple-output (MIMO) antenna system using an orthogonal frequency division multiplexing (OFDM) scheme includes allocating pilot subcarrier locations within a resource block including OFDM symbols in a time domain and subcarriers in a frequency domain based on variables of ‘18k’, ‘9mi’ and ‘floor (ns/2)’, wherein ‘k’ indicates a subchannel index, ‘ns’ indicates a symbol index, ‘mi’ corresponds to ‘(ns+i)mod 2’, ‘i’ indicates an antenna index, wherein ‘floor (n)’ denotes a greatest integer that is not greater than ‘n’; and transmitting the pilot signals to a receiver based on the allocated pilot subcarrier locations.Type: GrantFiled: April 25, 2012Date of Patent: March 18, 2014Assignee: LG Electronics Inc.Inventors: Jin Sam Kwak, Jinsoo Choi, Kiho Nam, Seung Woo Nam
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Publication number: 20140071044Abstract: There are provided a device and method for user interfacing, and a terminal using the same. The user interfacing method includes setting a reference image of an object to be used for user interfacing, recognizing the object to be used for user interfacing from input user-related images, determining depth-related movement of the object by comparing the recognized object and the reference image, and operating an application according to the depth-related movement of the object. Therefore, it is possible to control the terminal using user movement with respect to a distance between the terminal used by the user and the user.Type: ApplicationFiled: September 10, 2013Publication date: March 13, 2014Applicant: Electronics and Telecommunications Research InstituteInventor: Seung Woo NAM
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Patent number: 8630653Abstract: A method includes transmitting a random access preamble, receiving a random access response as a response of the random access preamble, wherein the random access response comprises an uplink resource assignment and a request for transmission of a Channel Quality Indicator (CQI), and transmitting the CQI in the uplink resource assignment.Type: GrantFiled: December 31, 2008Date of Patent: January 14, 2014Assignee: LG Electronics Inc.Inventors: Seung Jin Ahn, Woo Seong Kim, Mu Ryong Kim, Seung Woo Nam, Dae Won Lee, Kwang Il Kim, Su Hwan Lim
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Patent number: 8564594Abstract: A similar shader search apparatus using image feature extraction includes: an image extraction unit configured to classify color, texture, pattern features of a 2D image, into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the image; a shader extraction unit configured to analyze a predetermined stored shader, classify features having an effect upon color, texture, and pattern into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the shader; and a distance function calculation unit configured to receive the image feature value and the shader feature value, calculate the similarity of color between the image and the shader, and calculate the similarity of texture between the image and the shader using the Euclidean distance function.Type: GrantFiled: May 20, 2010Date of Patent: October 22, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Ho Lee, Hee-Kwon Kim, Seung-Woo Nam
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Publication number: 20130266212Abstract: A method of converting a two-dimensional video to a three-dimensional video, the method comprising: comparing an image of an nth frame with an accumulated image until an n?1th frame in the two-dimensional video to calculate a difference in a color value for each pixel; generating a difference image including information on a change in a color value for each pixel of the nth frame; storing an accumulated image until the nth frame by accumulating the information on the change in the color value for each pixel until the nth frame; performing an operation for a pixel in which a change in a color value is equal to or larger than a predetermined level by using the difference image to generate a division image and a depth map image; and converting the image of the nth frame to a three-dimensional image by using the depth map image.Type: ApplicationFiled: April 9, 2013Publication date: October 10, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Hye-Sun KIM, Yun Ji BAN, Kyung Ho JANG, Jung Jae YU, Myung Ha KIM, Ho Wook JANG, Seung Woo NAM, Hae Dong KIM
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Patent number: 8553525Abstract: A method of transmitting data is provided. The method includes generating a frame, the frame comprising a data burst, a submap and a map wherein the submap indicates a resource allocation state of the data burst, and the map indicates a differential adaptive modulation and coding (AMC) level for the submap, and transmitting data using the frame, wherein the differential AMC level is information on change in an AMC level applied to the submap comparing with other submap in a different frame. High-speed data transmission is realized and limited radio resources can be more efficiently used.Type: GrantFiled: November 6, 2008Date of Patent: October 8, 2013Assignee: LG Electronics Inc.Inventors: Jin Soo Choi, Seung Woo Nam, Jong Min Kim, Jong Young Han, Han Gyu Cho, Jae Hoon Chung, Hyung Ho Park
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Patent number: 8488538Abstract: A method for transmitting an uplink control signal includes receiving scheduling information for transmission of the uplink control signal, and transmitting the uplink control signal according to the scheduling information. Various control signals can be transmitted without interference with other control signals while maintaining a single carrier property.Type: GrantFiled: December 30, 2008Date of Patent: July 16, 2013Assignee: LG Electronics Inc.Inventors: Seung Jin Ahn, Seung Woo Nam, Mu Ryong Kim, Hyun Wook Park
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Patent number: 8489087Abstract: An apparatus and a method for controlling a small base station using a macro base station may reduce interference between the small base station and the macro base station. The method includes determining whether a small base station is in a blank state; transmitting a deactivation request message to the macro base station if the small base station is in the blank state; and operating the small base station in an inactive mode if a deactivation response message is received from the macro base station. The inactive mode being a mode of the small base station in which a synchronization channel or a minimal channel is transmitted to enable a terminal in the cell area of the small base station to identify the small base station.Type: GrantFiled: November 16, 2010Date of Patent: July 16, 2013Assignee: Pantech Co., Ltd.Inventors: Seung Woo Nam, Sung Kuk Kim
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Patent number: 8477701Abstract: A method of allocating resources in a wireless communication system includes allocating a plurality of physical resource blocks, each of which includes a plurality of sub-parts, to a virtual resource block, and mapping the virtual resource block to the plurality of physical resource blocks, wherein the virtual resource block is mapped to the sub-parts located in different positions in the range of each physical resource block. The number of resource elements allocated for the virtual resource block is constantly maintained.Type: GrantFiled: September 22, 2008Date of Patent: July 2, 2013Assignee: LG Electronics Inc.Inventors: Seung Woo Nam, Jong Min Kim, Moon Il Lee, Hyung Ho Park, Jin Soo Choi, Jae Hoon Chung, Jong Young Han, Han Gyu Cho
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Publication number: 20130088575Abstract: Provided is an apparatus and method for obtaining depth information using an optical pattern. The apparatus for obtaining depth information using the optical pattern may include: a pattern projector to generate the optical pattern using a light source and an optical pattern projection element (OPPE), and to project the optical pattern towards an object area, the OPPE comprising a pattern that includes a plurality of pattern descriptors; an image obtaining unit to obtain an input image by photographing the object area; and a depth information obtaining unit to measure a change in a position of at least one of the plurality of pattern descriptors in the input image, and to obtain depth information of the input image based on the change in the position.Type: ApplicationFiled: September 13, 2012Publication date: April 11, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Ji Young PARK, Kwang Hyun Shim, Seung Woo Nam, Jae Hoo Lee, Myung Ha Kim, Bon Ki Koo, Dong Won Han
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Publication number: 20130089254Abstract: An apparatus for correcting a stereoscopic image using matching information, includes: a matching information visualizer receiving input of original stereoscopic images and intuitive matching information and visualizing a pair of stereoscopic images based on the intuitive matching information; a correction information processor obtaining a statistical camera parameter based on the intuitive matching information and correcting the received stereoscopic image using the statistical camera parameter; and an error allowable controller providing allowable error information to the correction information processor in consideration of an error allowable degree according to a selected time from the received intuitive matching information and preset human factor guide information, to extract a correlation between stereoscopic images using a stereoscopic image and provided information, thereby helping such that an erroneously photographed image is correctly photographed or correcting the image such that the erroneously pType: ApplicationFiled: June 6, 2012Publication date: April 11, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Hae Dong KIM, Kyung Ho JANG, Jung Jae YU, Myung Ha KIM, Ho Wook JANG, Seung Woo NAM
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Publication number: 20130081132Abstract: An apparatus and method for providing a virtual private network (VPN) service based on mutual authentication are provided, the apparatus including a storage unit configured to store a first public key and a second public key; an authentication unit configured to authenticate a VPN server with the first public key and to authenticate a user device with the second public key; and a tunnel management unit configured to generate a first VPN tunnel and a second VPN tunnel to relay data between the user device and the VPN server based on the authentication of the VPN server and the user device by the authentication unit.Type: ApplicationFiled: November 29, 2011Publication date: March 28, 2013Applicant: SAMSUNG SDS CO., LTD.Inventors: Seok-Min LEE, Nam-Soo JEON, Seung-Woo NAM, Jin-Yong KIM
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Publication number: 20130078291Abstract: The present invention relates to a bio-adhesive agent comprising a surface-modified hydroxyapatite and its use. More specifically, the present invention relates to a bio-adhesive agent for the adhesion between bone and bone, bone and tissue, bone and cartilage, or bone and tendon, or for the adhesion of a shield between bones or of an artificial joint, which comprises a surface-modified hydroxyapatite as an active ingredient, wherein the surface-modified hydroxyapatite is characterized in that a certain linker compound is covalently bonded to the surface of the hydroxyapatite; a method for coating the surface of a metal prosthesis using the surface-modified hydroxyapatite; and a metal prosthesis coated with the surface-modified hydroxyapatite obtained by said method.Type: ApplicationFiled: November 10, 2011Publication date: March 28, 2013Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNGHEE UNIVERSITYInventors: Young Sook Son, Eun Ah Lee, Seung Woo Nam
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Publication number: 20130021245Abstract: An interactive content control method and a user interface apparatus using the same are provided. The interactive content control method detects a reference length which becomes a reference for controlling interactive content according to a movement of a user, on the basis of skeletal information of the user, detects a comparison length on the basis of the skeletal information, and controls the interactive content according to a result of comparing the reference length and the comparison length. Accordingly, the present invention can provide a highly interactive user interface environment.Type: ApplicationFiled: July 17, 2012Publication date: January 24, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Jae Ho LEE, Ji Young Park, Seung Woo Nam, Hee Kwon Kim
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Patent number: 8270504Abstract: A method for configurating a basic signal allocation unit and a method of transmitting signals using the configurated basic signal allocation unit are disclosed. In particular, a basic frequency domain signal allocation unit is configurated by considering at least one selected from the group consisting of a signaling overhead, a size of a coherent bandwidth and a number of divisors among specific numbers and an OFDM symbol number corresponding to a multiple of a subframe unit, each of the specific numbers multiplied to a predetermined subcarrier spacing to enable a result value of the multiplication to have a difference smaller than a prescribed threshold from a divisor of a system bandwidth. And, a time domain unit is configurated by 1-subframe unit. Accordingly, signaling overhead can be efficiently reduced.Type: GrantFiled: June 24, 2008Date of Patent: September 18, 2012Assignee: LG Electronics Inc.Inventors: Jin Soo Choi, Seung Woo Nam, Jae Hoon Chung, Jin Sam Kwak, Han Gyu Cho, Jong Young Han, Hyung Ho Park
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Patent number: 8265704Abstract: A mobile terminal includes a display screen to display a screen image of a particular character and a virtual keypad, and to detect touch inputs; and a controller to detect a first touch input of touching the particular character and a second touch input of touching a particular key of the virtual keypad, and to control display of display characters on respective key buttons of the virtual keypad, the display characters having at least one attribute of the particular character, if the first and second inputs are a multi-touch. Because a font of particular character is applied to the display character of the virtual keypad or to a newly input character, characters or numbers can be easily input using the display screen of the mobile terminal.Type: GrantFiled: May 4, 2009Date of Patent: September 11, 2012Assignee: LG Electronics Inc.Inventor: Seung-Woo Nam
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Publication number: 20120207237Abstract: A method of transmitting pilot signals by a transmitter in a multiple-input multiple-output (MIMO) antenna system using an orthogonal frequency division multiplexing (OFDM) scheme includes allocating pilot subcarrier locations within a resource block including OFDM symbols in a time domain and subcarriers in a frequency domain based on variables of ‘18k’, ‘9mi’ and ‘floor (ns/2)’, wherein ‘k’ indicates a subchannel index, ‘ns’ indicates a symbol index, ‘mi’ corresponds to ‘(ns+i)mod 2’, ‘i’ indicates an antenna index, wherein ‘floor (n)’ denotes a greatest integer that is not greater than ‘n’; and transmitting the pilot signals to a receiver based on the allocated pilot subcarrier locations.Type: ApplicationFiled: April 25, 2012Publication date: August 16, 2012Applicant: LG ELECTRONICS INC.Inventors: Jin Sam Kwak, Jinsoo Choi, Kiho Nam, Seung Woo Nam
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Publication number: 20120162385Abstract: Disclosed herein are an apparatus and method for acquiring 3D depth information. The apparatus includes a pattern projection unit, an image acquisition unit, and an operation unit. The pattern projection unit projects light, radiated by an infrared light source, into a space in a form of a pattern. The image acquisition unit acquires an image corresponding to the pattern using at least one camera. The operation unit extracts a pattern from the image, analyzes results of the extraction, and calculates information about a 3D distance between objects existing in the space.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Inventors: Ji-Young PARK, Jae-Ho Lee, Seung-Ki Hong, Hee-Kwon Kim, Seung-Woo Nam
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Publication number: 20120154546Abstract: Disclosed herein are an apparatus and method for capturing stereographic images. The apparatus includes two cameras, a screen unit, and a processing unit. The two cameras capture left and right images, respectively. The screen unit receives a matching region between the left and right images from a user. The processing unit corrects errors corresponding to the two cameras based on the matching region, and captures a stereographic image.Type: ApplicationFiled: December 19, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Yun-Ji Ban, Hye-Sun Kim, Ho-Wook Jang, Myung-ha Kim, Seung-Woo Nam
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Publication number: 20120148146Abstract: Disclosed are a system for making 3D contents provided with visual fatigue minimization and a method of the same. More particularly, an exemplary embodiment of the present invention provides a system for making 3D contents including: a human factor information unit generating guide information for making 3D contents by considering factors causing visual fatigue of the 3D contents; and a 3D contents making unit applying guide information generated by the human factor information unit to 3D contents data inputted for making the 3D contents to make the 3D contents, and a method of making 3D contents.Type: ApplicationFiled: December 7, 2011Publication date: June 14, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hae Dong Kim, Jung Jae Yu, Myung Ha Kim, Ho Wook Jang, Hye Sun Kim, Yun Ji Ban, Seung Woo Nam