Patents by Inventor Seung-Wook Lee

Seung-Wook Lee 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).

  • Patent number: 8265415
    Abstract: An apparatus for transforming an image in a mobile device is disclosed. The apparatus comprises a pen style transformation unit for transforming an original image to a pen style image using a separated Gaussian filter and outputting pen style image, a cartoon style transformation unit for transforming the original image to a cartoon style image and outputting the cartoon style image, a mosaic creation unit for creating a photomosaic to which the original image is applied based on an optimum photo image set and outputting the created photo mosaic by applying the created photo mosaic to the original image, and an image output unit for outputting the images output from the pen style transformation unit, the cartoon style transformation unit, and the mosaic creation unit to an output unit.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: September 11, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yoon-Seok Choi, Bon Ki Koo, Ji Hyung Lee, Bo Youn Kim, Hee Jeong Kim, Il Kyu Park, Seung Wook Lee, Seung Hyup Shin
  • Patent number: 8243579
    Abstract: Embodiments according to the application relates to an OFDM (orthogonal frequency division multiplexing) receiving circuit and methods thereof configured to have a plurality of demodulation paths for an oversampling ADC, which can increase or improve an overall performance of the circuit.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: August 14, 2012
    Assignee: GCT Semiconductor, Inc.
    Inventors: Seung-Wook Lee, Joonbae Park, Jeong Woo Lee, Su Won Kang, Kyeongho Lee
  • Patent number: 8229028
    Abstract: The present invention relates to an apparatus and a method for measuring an in phase and quadrature (IQ) imbalance. One embodiment according to the present general inventive concept can provide a method for measuring a Tx IQ imbalance generated in an IQ up-conversion mixer and an Rx IQ imbalance generated in an IQ down-conversion mixer, that includes measuring a first IQ imbalance corresponding to a first combination of the Rx IQ imbalance with the Tx IQ imbalance, measuring a second IQ imbalance corresponding to a second combination of the Rx IQ imbalance with the Tx IQ imbalance and obtaining the Tx IQ imbalance and the Rx IQ imbalance from the first IQ imbalance and the second IQ imbalance.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: July 24, 2012
    Assignee: GCT Semiconductor, Inc.
    Inventors: Kyeongho Lee, Joonbae Park, Jeong Woo Lee, Seung-Wook Lee, Eal Wan Lee
  • Publication number: 20120162218
    Abstract: Disclosed herein is technology for generating a digital clone. An apparatus for generating a digital clone includes a standard human body model generation unit for extracting information about appearance deformations based on joint control angles of joints from posture-based appearance deformation examples, generating a parametric shape control engine in which the appearance deformation information is incorporated, and incorporating the parametric shape control engine in a standard mesh-type human body model, thus generating a standard human body model. A unique human body model generation unit receives multi-view image examples based on a change in a posture of an actor, generates a 3D model of the actor based on multi-view image examples, and transfers the standard human body model to the 3D model, thus generating a unique human body model, in which unique appearance deformations of the actor based on the change in the posture of the actor are reflected.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ho-Won KIM, Bon-Ki KOO, Seung-Wook LEE
  • Publication number: 20120162272
    Abstract: The present invention relates to a gamma voltage controller, a gradation voltage generator, and a display device including them. The gamma voltage controller corrects luminance in high and low gradations according to a color mode of a display panel, and generates a plurality of gradation voltages through inflection point adjustment, thus minimizing gradation mismatch between color modes.
    Type: Application
    Filed: April 14, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Seung-Wook Lee, Sang-Min Lim
  • Publication number: 20120162412
    Abstract: Disclosed herein are an image matting apparatus using multiple cameras and a method of generating alpha maps. The apparatus includes a multi-camera unit, a depth estimation unit, an alpha map estimation unit, and an image matting unit. The multi-camera unit acquires a main image generated when a main camera captures an object at a specific camera angle, and acquires a plurality of sub-images generated when a sub-camera captures the object at different camera angles. The depth estimation unit estimates a depth value, corresponding to a distance between the main camera and the object, for each cluster. The alpha map estimation unit estimates an alpha map of the main image using the depth value estimated by the depth estimation unit. The image matting unit extracts a foreground from the main image using the alpha map, and performs image matting using the extracted foreground.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ho-Won KIM, Hyun KANG, Seung-Wook LEE, Bon-Ki KOO
  • Patent number: 8207987
    Abstract: An apparatus for producing digital cartoons includes: an image collection unit for collecting photorealistic image data; and a cartooning processor for performing a rendering process including image abstraction and edge generation on the photorealistic image data collected by the image collection unit to generate cartooned images. The apparatus further includes a stylization unit for producing a cartoon page having various shapes of cartoon frames, resizing the cartooned images to place the resized images into the cartoon frames and adding cartoon elements to the images placed in the cartoon frames.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: June 26, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ji Hyung Lee, Bon Ki Koo, Bo Youn Kim, Hee Jeong Kim, Yoon-Seok Choi, Il Kyu Park, Seung Wook Lee, Hwan-gue Cho, Dong-Sung Ryu, Won-Il Hwang, Bong-Kyung Chun
  • Publication number: 20120079498
    Abstract: A method and apparatus for dynamic resource allocation in a system having at least one processing unit are disclosed. The method of dynamic resource allocation includes receiving information on a task to which resources are allocated and partitioning the task into one or more task parallel units; converting the task into a task block having a polygonal shape according to expected execution times of the task parallel units and dependency between the task parallel units; allocating resources to the task block by placing the task block on a resource allocation plane having a horizontal axis of time and a vertical axis of processing units; and executing the task according to the resource allocation information. Hence, CPU resources and GPU resources in the system can be used in parallel at the same time, increasing overall system efficiency.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 29, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyoung Hoon Kim, In Choon Yeo, Seung Wook Lee, Joong Baik Kim, Il Ho Lee, Jeong Ig Song
  • Publication number: 20120075316
    Abstract: A method and apparatus for compiling and executing an application including Central Processing Unit (CPU) source code and Graphic Processing Unit (GPU) source code. The apparatus includes a hardware device including a CPU and a GPU; a compiler that compiles the GPU source code into a GPU virtual instruction; and a hybrid virtualization block that executes an execution file by translating the GPU virtual instruction into GPU machine code.
    Type: Application
    Filed: September 26, 2011
    Publication date: March 29, 2012
    Inventors: Kyoung Hoon KIM, In Choon Yeo, Seung Wook Lee, Joong Baik Kim, Il Ho Lee, Jeong Ig Song
  • Publication number: 20120060168
    Abstract: A virtualization system for supporting at least two operating systems and resource allocation method of the virtualization system are provided. The method includes allocating resources to the operating systems, calculating, when one of the operating systems is running, workloads for each operating system, and adjusting resources allocated to the operating systems according to the calculated workloads. The present invention determines the workloads of a plurality of operating systems running in the virtualization system and allocates time resources dynamically according to the variation of the workloads.
    Type: Application
    Filed: September 6, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Il Ho LEE, In Choon YEO, Joong Baik KIM, Seung Wook LEE, Kyoung Hoon KIM, Jeong Ig SONG
  • Publication number: 20120060007
    Abstract: A method and apparatus for controlling traffic of multiprocessor system or multi-core system is provided. The traffic control apparatus of a multiprocessor system according to the present invention includes a request handler for processing a traffic request of a first processor, and a Quality of Service (QoS) manager for receiving a QoS guaranty start instruction for a second processor from the multiprocessor system, and for transmitting, when traffic of the second processor is detected, a traffic adjustment signal to the request handler. The request handler adjusts the traffic of the first processor according to the received traffic adjustment signal. The traffic control method and apparatus of the present invention is capable of adjusting the required bandwidths of individual technologies and guaranteeing the real-timeness in the multiprocessor system or multi-core system.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Min Seung BAIK, Joong Baik KIM, Seung Wook LEE, Soon Wan KWON
  • Publication number: 20120020233
    Abstract: An apparatus for receiving data in a communication system includes a parser configured to receive multimedia data and analyze the multimedia data into a plurality of tokens; a plurality of decoding units configured to receive input tokens corresponding to them among the plurality of tokens and decode the multimedia data; and a scheduler configured to schedule the plurality of tokens and transmit the respective input tokens to the plurality of decoding units at precise times, wherein the plurality of decoding units decode the multimedia data by the input tokens transmitted from the scheduler and provide a multimedia service.
    Type: Application
    Filed: July 20, 2011
    Publication date: January 26, 2012
    Applicants: Industry-University Cooperation Foundation Hanyang University, Electronics and Telecommunications Research Institute
    Inventors: Seung-Wook LEE, Bon-Ki Koo, Ho-Won Kim, Chang-Woo Chu, Ji-Hyung Lee, Euee-Seon Jang, Hyun-Gyu Kim, Min-Soo Park, So-Won Kim, Tae-Hee Lim
  • Publication number: 20120014506
    Abstract: A stereo x-ray inspection apparatus and a method for forming a three-dimensional image through volume reconstruction of an image acquired from the same are disclosed. The apparatus includes one x-ray generator and two detectors to acquire two images. The x-ray generator and detectors are arranged in the form of a right-angled triangle, to easily achieve mathematical development and analysis. One of the detectors, which does not just oppose the x-ray generator, is movable and rotatable, to acquire images under the condition that only one detector is moved in accordance with the size of an object, and thus to simplify control operation for the apparatus, so that a more accurate image from an object moving at high speed is acquired.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Nam Ho Lee, Yong Chil Sec, Seung Chan Oh, Seung Wook Lee, Young Gwan Hwang, Myung Kook Moon, Soon Yong Park
  • Patent number: 8085270
    Abstract: An apparatus for processing an effect using style lines, includes a contour line creation unit for creating contour lines using polygons of a three-dimensional (3D) object and location information of a camera; a style line creation unit for putting edge lists, extracted at the time of creating the contour lines, into groups, and creating one or more style lines for each of the groups; and an effect processing unit for representing a line style by inserting the created style lines inside and outside a contour line corresponding to the group. Therefore, representation to appear to have been drawn by a human hand is enabled by adding style lines to existing contour lines in order to represent a line style that belongs to various styles of non-photo realistic rendering.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: December 27, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bo Youn Kim, Bon Ki Koo, Ji Hyung Lee, Hee Jeong Kim, Il Kyu Park, Yoon-Seok Choi, Seung Wook Lee
  • Patent number: 8035933
    Abstract: Disclosed is the structure of a persistent current switch and a control method for the same. In the switch structure, a portion of a superconducting wire to be used as a switch is formed with slits such that the flow of current is controlled by the switch, to facilitate a transition between the superconducting state and the normal state of the superconducting wire. The structure of the persistent current switch includes a first slit longitudinally extending from a first point on one end of a superconducting wire to a second point and from a third point to a fourth point, the second, third, and fourth points being arranged sequentially in a longitudinal line, and second and third slits provided at opposite sides of a region between the second point and the third point where no first slit exists.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: October 11, 2011
    Assignee: Korea Polytechnic University Industry Academic Cooperation Foundation
    Inventors: Hee-Gyoun Lee, Gye-Won Hong, Kyeong Dal Choi, Seung Wook Lee
  • Patent number: 8018990
    Abstract: The present general inventive concept relates to apparatuses and/or methods for measuring an in-phase and quadrature (IQ) imbalance. In one embodiment, a detector can measure an error caused by an IQ imbalance using a first IQ signal including a desired signal and a corresponding image signal by the IQ imbalance. The detector can include a derotator to derotate the first IQ signal by a first angular frequency to obtain a second IQ signal and derotate the first IQ signal by a second angular frequency to obtain a third IQ signal, a DC estimator to obtain a fourth IQ signal corresponding to a DC component of the second IQ signal and a fifth IQ signal corresponding to a DC component of the third IQ signal and a controller can determine a gain error or a phase error from the fourth IQ signal and the fifth IQ signal.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: September 13, 2011
    Assignee: GCT Semiconductor, Inc.
    Inventors: Kyeongho Lee, Joonbae Park, Jeong Woo Lee, Seung-Wook Lee, Eal Wan Lee
  • Patent number: 7995645
    Abstract: The present general inventive concept relates to apparatuses and/or methods for measuring an in-phase and quadrature (IQ) imbalance. In one embodiment, a signal generator can provide a first IQ signal of a DC component during a first period and the first IQ signal of a first angular frequency during a second period, an IQ up-conversion mixer can up-convert the first IQ signal by a second angular frequency during the first period and up-convert the first IQ signal by a third angular frequency during the second period to output a second IQ signal, an IQ down-conversion mixer can down-convert the second IQ signal by the third angular frequency to output a third IQ signal and an IQ imbalance detector can obtain a first IQ imbalance (e.g., Rx IQ imbalance) from the third IQ signal during the first period and a second IQ imbalance (e.g., Tx/Rx IQ imbalance) during the second period.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: August 9, 2011
    Assignee: GCT Semiconductor, Inc.
    Inventors: Kyeongho Lee, Joonbae Park, Jeong Woo Lee, Seung-Wook Lee, Eal Wan Lee
  • Publication number: 20110149074
    Abstract: 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.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Wook LEE, Ho Won KIM, Chang Woo CHU, Bon Ki KOO
  • Patent number: 7952435
    Abstract: Embodiments of a phase lock loop and a method for compensating a temperature thereof can output an initial tuning digital value for a voltage controlled oscillator configured to output a desired phase lock loop frequency compensated according to a temperature change. Embodiments of a phase lock loop and a method for compensating a temperature thereof can simultaneously perform a digital coarse tuning and an analog fine tuning to compensate for a temperature in a limited time.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: May 31, 2011
    Assignee: GCT Semiconductor, Inc.
    Inventors: Seung-Wook Lee, Joonbac Park, Jeong Woo Lee, Su Won Kang, Kyeongho Lee
  • Publication number: 20110107344
    Abstract: A multi-core apparatus and method for balancing load in the multi-core apparatus. The multi-core apparatus includes a first core that sends a save request including a context of a task, when a task is switched from an active state to a sleep state, a second core that receives an execution request and executes a task corresponding to the execution request, and a load balancer that receives the save request transmitted by the first core, and sends the execution request to the second core.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 5, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyoung Hoon KIM, Il Ho LEE, Joong Baik KIM, Seung Wook LEE