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).

  • Image coding and decoding method and apparatus considering human visual characteristics
    Patent number: 9774862
    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: June 17, 2015
    Date of Patent: September 26, 2017
    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: 9774858
    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: February 23, 2015
    Date of Patent: September 26, 2017
    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: 9774860
    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: June 17, 2015
    Date of Patent: September 26, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Virtual architecture generating apparatus and method, and runtime system, multi-core system and methods of operating runtime system and multi-core system
    Patent number: 9703612
    Abstract: A virtual architecture generating apparatus and method, a runtime system, a multi-core system, and methods of operating the runtime system and the multi-core system may include analyzing a requirement of an application, a feature of the application, and a requirement of a system enabling an execution of the application, and include generating a virtual architecture corresponding to the application, based on a physical architecture of a reconfigurable processor, the analyzed requirements and the analyzed feature.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Young Son, Shi Hwa Lee, Seung Won Lee, Jeong Joon Yoo, Jae Don Lee, Young Sam Shin, Hee Jin Ahn
  • Apparatus and method for memory overlay
    Patent number: 9703593
    Abstract: A memory overlay apparatus includes an internal memory that includes a dirty bit indicating a changed memory area, a memory management unit that controls an external memory to store only changed data so that only data actually being used by a task during overlay is stored and restored, and a direct memory access (DMA) management unit that confirms the dirty bit when the task is changed and that moves a data area of the task between the internal memory and the external memory.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Don Lee, Seung Won Lee, Chae Seok Im, Shi Hwa Lee
  • Apparatus and method of performing tile binning of bezier curve
    Patent number: 9672642
    Abstract: An apparatus and method for tile binning with respect to a Bezier curve. The apparatus may include a curve identification unit to identify a Bezier curve included in input data, a bounding box generation unit to generate a plurality of bounding boxes corresponding to the Bezier curve, and a tile binning unit to perform tile binning with respect to the Bezier curve based on the plurality of bounding boxes.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Joon Yoo, Seok Yoon Jung, Seung Won Lee, Shi Hwa Lee
  • Apparatus and method with enhancement of sound quality
    Patent number: 9596542
    Abstract: An audio processing apparatus and method are provided. The audio processing apparatus includes an envelope detector to detect an envelope of an input signal with respect to a low frequency band, and a signal restorer to restore the input signal including a high frequency band by performing frequency folding of frequency sub-band according the envelope.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Eun Lee, Do Hyung Kim, Shi Hwa Lee
  • Reconfigurable processor for parallel processing and operation method of the reconfigurable processor
    Patent number: 9558003
    Abstract: A reconfigurable processor and an operation method of the reconfigurable processor may include: a status register configured to store a status value used to determine at least one execution mode in a processor; a parallel processing scheduler configured to schedule at least one of a very long instruction word (VLIW) logic and a coarse grained architecture (CGA) logic to be used based on the stored status value; a VLIW register configured to store processed data according to the VLIW logic; and a CGA register configured to store processed data according to the CGA logic.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo Hyun Kim, Joon Ho Song, Do Hyung Kim, Shi Hwa Lee
  • Apparatus and method for managing power based on data
    Patent number: 9501114
    Abstract: Provided is an apparatus and method for managing power based on data. The apparatus may include a code segment searching unit configured to search for at least one code segment in which a power type is inserted, a block determining unit configured to determine at least one block based on the at least one found code segment, and a power mode control unit configured to control the at least one determined block to operate in a power mode corresponding to the power type.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: November 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Young Son, Young Sam Shin, Chae Seok Im, Seung Won Lee, Shi Hwa Lee, Jae Don Lee
  • Method and device for processing a sound signal
    Patent number: 9495978
    Abstract: A method of processing a sound signal is disclosed. The method of processing a sound signal includes receiving a sound signal from the outside of a device, converting the sound signal into a first frequency domain signal, determining whether or not the sound signal is a voice signal using the first frequency domain signal acquired through the conversion, converting the first frequency domain signal into a second frequency domain signal based on the determination, and recognizing the sound signal using the second frequency domain signal acquired through the conversion.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-hwan Jo, Do-hyung Kim, Jae-hyun Kim, Shi-hwa Lee
  • Arithmetic processing apparatus and method for high speed processing of application
    Patent number: 9471309
    Abstract: An arithmetic processing apparatus and method for high speed processing of an application are provided. The arithmetic processing apparatus may include a program control unit to store operation processing information necessary for application operation in a communication channel by executing an application code, and an operation processing unit to process the application operation using the operation processing information stored in the communication channel.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Ho Song, Shi Hwa Lee, Do Hyung Kim
  • Apparatus and method for image processing
    Patent number: 9449423
    Abstract: A method for processing a three-dimensional (3D) image of a ray tracing scheme may be performed by an image processing apparatus by verifying whether local index information matching intersection point information of a ray is present within a prefetch table when intersection point information is received, and by transferring, to a shader, rendering information stored in a local memory based on the local index information, when the local index information matching the intersection point information is present.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: September 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Sam Shin, Seung Won Lee, Shi Hwa Lee, Won Jong Lee, Jae Don Lee, Seok Yoon Jung
  • Computing system and method controlling memory of computing system
    Patent number: 9448844
    Abstract: Provided is a computing system having a hierarchical memory structure. When a data structure is allocated with respect to a task processed in the computing system, the data structure is divided and a portion of the data structure is allocated to a high speed memory of the hierarchical memory structure and a remaining data structure is allocated to a low speed memory of the hierarchical memory.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: September 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Don Lee, Shi Hwa Lee, Seung Won Lee, Chae Seok Lim, Min Kyu Jeong
  • Image coding and decoding method and apparatus considering human visual characteristics
    Patent number: 9414075
    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: June 17, 2015
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Apparatus and method for non-blocking execution of static scheduled processor
    Patent number: 9405546
    Abstract: An apparatus and method for non-blocking execution of a static scheduled processor, the apparatus including a processor to process at least one operation using transferred input data, and an input buffer used to transfer the input data to the processor, and store a result of processing the at least one operation, wherein the processor may include at least one functional unit (FU) to execute the at least one operation, and the at least one FU may process the transferred input data using at least one of a regular latency operation and an irregular latency operation.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: August 2, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwon Taek Kwon, Sang Oak Woo, Shi Hwa Lee, Seok Yoon Jung
  • PROCESSOR AND SYSTEM FOR PROCESSING STREAM DATA AT HIGH SPEED
    Publication number: 20160217085
    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: April 5, 2016
    Publication date: July 28, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwon Taek KWON, Seok Yoon JUNG, Shi Hwa LEE
  • Apparatus and method for traversing hierarchical acceleration structure
    Patent number: 9390545
    Abstract: An apparatus and method for traversing a hierarchical acceleration structure may determine whether a current traversal node is a leaf node, may calculate a first distance from the current traversal node to a pop level and a second distance from a root node to the pop level when the current traversal node is the leaf node, and may determine a hierarchical traversal restarting position by comparing the first distance and the second distance.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: July 12, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Don Lee, Young Sam Shin, Won Jong Lee, Shi Hwa Lee
  • Apparatus and method of reproducing audio data using low power
    Patent number: 9378750
    Abstract: A method and apparatus for reproducing audio data using low power are provided. The apparatus may reproduce the audio data by determining a power mode based on a memory resource of an internal memory, and an amount of a memory required for reproducing the audio data, controlling a power based on the determined power mode, and decoding the audio data.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Yong Son, Kang Eun Lee, Do Hyung Kim, Shi Hwa Lee
  • Image processing apparatus and method for panoramic image using a single camera
    Patent number: 9378544
    Abstract: Provided is an apparatus and method for generating a three-dimensional (3D) panoramic image using a single camera. The image processing apparatus may generate a two-dimensional (2D) reference panoramic image using a central area of each of a plurality of input image frames, and may extract a left-eye strip and a right-eye strip of when a similarity calculated in the plurality of input image frames based on the 2D reference panoramic image has a maximum value.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyuk Cha, Young Su Moon, Young Sun Jeon, Shi Hwa Lee
  • METHOD AND DEVICE FOR PROCESSING A SOUND SIGNAL
    Publication number: 20160163335
    Abstract: A method of processing a sound signal is disclosed. The method of processing a sound signal includes receiving a sound signal from the outside of a device, converting the sound signal into a first frequency domain signal, determining whether or not the sound signal is a voice signal using the first frequency domain signal acquired through the conversion, converting the first frequency domain signal into a second frequency domain signal based on the determination, and recognizing the sound signal using the second frequency domain signal acquired through the conversion.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-hwan JO, Do-hyung KIM, Jae-hyun KIM, Shi-hwa LEE