Patents by Inventor Shi-hwa Lee

Shi-hwa 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).

  • APPARATUS AND METHOD OF GENERATING THREE-DIMENSIONAL (3D) PANORAMIC IMAGE
    Publication number: 20130093839
    Abstract: An apparatus and method of generating a three-dimensional (3D) panoramic image, using a single camera. The apparatus may include a frame slit capturing unit to capture a first frame slit in an Nth video frame, and to capture a second frame slit from an (N+2)th video frame, and a 3D image generating unit to generate a left image using the captured first frame slit and the captured second frame slit. Here, the frame slit capturing unit may capture a third frame slit in an (N+1)th video frame, and captures a fourth frame slit in an (N+3)th video frame, and the 3D image generating unit may generate a right image using the captured third frame slit and the captured fourth frame slit.
    Type: Application
    Filed: August 16, 2012
    Publication date: April 18, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young Sun JEON, Young Su MOON, Shi Hwa LEE, Joon Hyuk CHA
  • APPARTUS AND METHOD FOR THREAD PROGRESS TRACKING
    Publication number: 20130097613
    Abstract: Provided is a method and apparatus for measuring a progress or a performance of an application program in a computing environment using a micro-architecture. An apparatus for thread progress tracking may select a thread included in an application program, may determine, based on a predetermined criterion, whether an execution scheme for at least one instruction included in the thread corresponds to an effective execution scheme in which an execution time is uniform or a non-effective execution scheme in which a delayed cycle is included and the execution time is non-uniform, and may generate an effective progress index (EPI) by accumulating an execution time of an instruction executed by the effective execution scheme other than an instruction executed by the non-effective execution scheme.
    Type: Application
    Filed: August 17, 2012
    Publication date: April 18, 2013
    Applicant: Samsung Electronics, Co., Ltd.
    Inventors: Young Sam Shin, Seung Won Lee, Min Young Son, Shi Hwa Lee
  • PROCESSOR AND SYSTEM FOR PROCESSING STREAM DATA AT HIGH SPEED
    Publication number: 20130073756
    Abstract: A processor for processing stream data at a high speed is provided. The processor may include a functional unit to perform an operation on the stream data, an input interface module to perform relaying between the functional unit and an external data producer module that is used to input the stream data to the processor, and an output interface module to perform relaying between the functional unit and an external data consumer module that is used to receive an input of result data regarding a result of the operation performed by the functional unit.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 21, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwon Taek Kwon, Seok Yoon Jung, Shi Hwa Lee
  • SIGNAL PROCESSING APPARATUS AND METHOD FOR PROVIDING 3D SOUND EFFECT
    Publication number: 20130064374
    Abstract: A signal processing apparatus and method providing a 3-dimensional (3D) sound effect may determine a mask related to an ambience of an input signal, separate the input signal into a primary signal and an ambience signal using the mask, decorrelate the ambience signal, and sum the decorrelated ambience signal and the primary signal, accordingly generating an output signal to which a sound effect is applied.
    Type: Application
    Filed: March 28, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Eun Lee, Do-Hyung Kim, Shi Hwa Lee
  • METHOD AND APPARATUS FOR RESTORING IMAGE BY COPYING MEMORY
    Publication number: 20130064463
    Abstract: A method and apparatus for restoring an image by copying a memory may include determining whether to perform an interpolation operation based on block information, and restoring a current image using a reference image depending on whether to perform the interpolation operation.
    Type: Application
    Filed: September 6, 2012
    Publication date: March 14, 2013
    Applicants: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Soo Cho, Gi Ho Park, Won Chang Lee, Shi Hwa Lee, Do Hyung Kim, Joon Ho Song
  • GRAPHICS PROCESSING METHOD AND APPARATUS USING POST FRAGMENT SHADER
    Publication number: 20130063440
    Abstract: Provided is a graphics processing method and apparatus using a post fragment shader. A rendering pipeline of the graphics processing apparatus may include a fragment shader that operates before a raster operator, and a post fragment shader that operates after the raster operator. Each of the fragment shader and the post fragment shader may apply a different effect to each of a plurality of fragments.
    Type: Application
    Filed: April 10, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Jin SON, Seok Yoon Jung, Shi Hwa Lee, Sang Oak Woo
  • Apparatus and method for enhancing image base on luminance information of pixel
    Patent number: 8385679
    Abstract: An image enhancement apparatus and method based on luminance information of a pixel. The image enhancement apparatus may determine luminance data of each of a plurality of pixels, and may adaptively determine a conversion ratio according to the luminance data to apply the conversion ratio to an input image, thereby performing image-enhancing. The image enhancement apparatus may adaptively converse the input image according to luminance data, thereby precisely and effectively performing image-enhancing.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: February 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Su Moon, Shi Hwa Lee, Ho Jin Lee, Joon Hyuk Cha
  • SIGNAL PROCESSING APPARATUS AND METHOD FOR PROVIDING SPATIAL IMPRESSION
    Publication number: 20130034235
    Abstract: A signal processing apparatus and method for providing a spatial impression. The signal processing apparatus applies a reverberation effect to a summed signal formed by summing original signals corresponding to locations of a plurality of sound sources, and removes a correlation from the summed signal, thereby generating reverberation signals corresponding to the locations of the plurality of sound sources. Next, the signal processing apparatus applies panning information derived from the original signals, thereby reflecting location information of the original signals.
    Type: Application
    Filed: July 5, 2012
    Publication date: February 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kang Eun Lee, Shi Hwa Lee, Do Hyung Kim
  • APPARATUS AND METHOD FOR GENERATING HIGH DYNAMIC RANGE IMAGE FROM WHICH GHOST BLUR IS REMOVED USING MULTI-EXPOSURE FUSION
    Publication number: 20130028509
    Abstract: An apparatus and method for generating a High Dynamic Range (HDR) image from which a ghost blur is removed based on a multi-exposure fusion. The apparatus may include an HDR weight map calculation unit to calculate an HDR weight map for multiple exposure frames that are received, a ghost probability calculation unit to calculate a ghost probability for each image by verifying a ghost blur for the multiple exposure frames, an HDR weight map updating unit to update the calculated HDR weight map based on the calculated ghost probability, and a multi-scale blending unit to generate an HDR image by reflecting the updated HDR weight map to the multiple exposure frames.
    Type: Application
    Filed: February 16, 2012
    Publication date: January 31, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Su Moon, Yong Min Tai, Jung Uk Cho, Shi Hwa Lee
  • Apparatus and method of removing false color in image
    Patent number: 8363932
    Abstract: An image processing method and apparatus is provided, with which a size of a filter window may be decreased by determining an edge direction of each of the pixels constituting an image and by vertically applying an anisotropic filter window to the determined edge direction.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Jin Lee, Young Su Moon, Shi Hwa Lee
  • METHOD AND APPARATUS FOR REMOVING NON-UNIFORM MOTION BLUR USING MULTI-FRAME
    Publication number: 20130016239
    Abstract: A method and apparatus for removing a non-uniform motion blur using a multi-frame may estimate non-uniform motion blur information using a multi-frame including a non-uniform motion blur, and may remove the non-uniform motion blur using the estimated non-uniform motion blur and the multi-frame. The apparatus may also obtain more accurate non-uniform motion blur information by iteratively performing the estimation of the non-uniform motion blur information, and the removal of the non-uniform motion blur.
    Type: Application
    Filed: March 8, 2012
    Publication date: January 17, 2013
    Applicants: Postech Academy-Industry Foundation, Samsung Electronics Co., Ltd
    Inventors: Jung Uk CHO, Seung Yong LEE, Sung Hyun CHO, Shi Hwa LEE, Young Su MOON, Ho Jin CHO
  • Image coding and decoding method and apparatus considering human visual characteristics
    Patent number: 8345771
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Image coding and decoding method and apparatus considering human visual characteristics
    Patent number: 8345772
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Image coding and decoding method and apparatus considering human visual characteristics
    Patent number: 8345773
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • APPARATUS AND METHOD FOR IMAGE PROCESSING
    Publication number: 20120314945
    Abstract: Apparatus and method for correcting a tone of a panoramic image. An image processing apparatus may acquire, from an overlapping region of a left image and a right image, ghost information based on an optimal threshold and a cost map in which a similarity between the left image and the right image is reflected, may generate a tone correction map based on a global tone correction function generated using the ghost information in the overlapping region, and based on a local tone correction level generated using local information of an optimal seam, and may correct the left image and the right image using a final tone correction map generated by applying, to the tone correction map, a weighting based on the left image and a weighting based on the right image.
    Type: Application
    Filed: February 16, 2012
    Publication date: December 13, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyuk CHA, Young Su Moon, Young Sun Jeon, Shi Hwa Lee
  • Task migration system and method thereof
    Patent number: 8332461
    Abstract: A task migration system is provided which transmits a migration request signal for a plurality of first tasks to a migration manager using a resource manager, transmits information used in response to the migration request signal from a migration initiation handler to the migration manager when a first task, of which a migration point is in a capture ready state, among the plurality of first tasks is received from a processor, and captures, using the migration manager, the migration point of the first task in the capture ready state, in response to a migration request signal for the first task in the capture ready state, so that the first task with the captured migration point migrates to a second task.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Sam Shin, Seung Won Lee, Jeong Joon Yoo, Min Young Son, Shi Hwa Lee
  • Method and apparatus for controlling multiple exposures
    Patent number: 8305487
    Abstract: Provided is a multi-exposure controlling method and apparatus. An exposure control unit may set an initial exposure time based on a comparison result between a predetermined brightness confidence interval and an average high brightness that is calculated based on at least one current histogram. A comparison unit may compare the brightness confidence interval and an average low brightness that is calculated based on a subsequent histogram obtained by photographing a subject using the set initial exposure time. The exposure control unit may change the initial exposure time based on a comparison result of the comparison unit.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Hyuk Cha, Young Su Moon, Shi Hwa Lee
  • MULTI-CORE SYSTEM AND METHOD FOR PROCESSING DATA IN PARALLEL IN MULTI-CORE SYSTEM
    Publication number: 20120198182
    Abstract: A multi-core system and a method for processing data in parallel in the multi-core system are provided. In the multi-core system, partitioning and allocating of data may be dynamically controlled based on local memory information. Thus, it is possible to increase an availability of a Central Processing Unit (CPU) and a local memory, and is possible to improve a performance of data parallel processing.
    Type: Application
    Filed: November 28, 2011
    Publication date: August 2, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Young Son, Shi Hwa Lee, Seung Woo Lee, Young Sam Shin
  • APPARATUS AND METHOD FOR PROTECTING MEMORY IN MULTI-PROCESSOR SYSTEM
    Publication number: 20120198206
    Abstract: Memory mapping in small units using a segment and subsegments is described, and thus it is possible to control a memory access even using a small amount of hardware, and it is possible to reduce costs incurred by hardware. Additionally, it is possible to prevent a memory from being destroyed due to a task error in the multi-processor system.
    Type: Application
    Filed: January 19, 2012
    Publication date: August 2, 2012
    Applicants: Konkuk University Industrial Cooperation Corp., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Keun PARK, Jeong Joon Yoo, Seung Won Lee, Shi Hwa Lee, Chae Seok Im
  • METHOD OF DETERMINING MULTIMEDIA ARCHITECTURAL PATTERN, AND APPARATUS AND METHOD FOR TRANSFORMING SINGLE-CORE BASED ARCHITECTURE TO MULTI-CORE BASED ARCHITECTURE
    Publication number: 20120159428
    Abstract: A method and apparatus for authoring an architecture for transforming a single-core based embedded software application to a multi-core based embedded software application, and a method of determining an architectural pattern in a multimedia system. It is possible to perform an architecture authoring operation by using an architectural decision supporter, without prior knowledge and accumulated knowledge regarding a software architecture. Additionally, it is possible to prevent an error from occurring during authoring of an architecture, by using a concurrency-related software architectural pattern that is already evaluated. Thus, it is possible to improve overall quality of software, and to reduce a development time.
    Type: Application
    Filed: December 20, 2011
    Publication date: June 21, 2012
    Applicants: Industry-University Cooperation Foundation Sogang University, Samsung Electronics Co., Ltd.
    Inventors: Soo Yong Park, Seung Won Lee, Shi Hwa Lee, Soo Jin Park