Patents by Inventor Hyong Euk Lee

Hyong Euk 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 with stereo image processing
    Patent number: 10552972
    Abstract: An image processing apparatus includes a processor configured to calculate a curvature value of a first point in stereo images based on a disparity value corresponding to the first point, and refine the disparity value based on the curvature value.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: February 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minsu Ahn, Jiyeon Kim, Hyong Euk Lee, Young Hun Sung
  • Image processing method and apparatus for rendering an image based on virtual point light (VPL) samplings
    Patent number: 10403034
    Abstract: An image processing method includes determining a number of virtual point light (VPL) samplings for each area of a current frame, applying VPLs sampled in a previous frame to the current frame, adjusting a result of the applying based on the determined number of VPL samplings, and rendering the current frame based on VPLs sampled in the current frame.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: September 3, 2019
    Assignee: Samsung ELectronics Co., Ltd.
    Inventors: Inwoo Ha, Minsu Ahn, Seungin Park, Hyong Euk Lee
  • Device and method to adjust display brightness
    Patent number: 10388252
    Abstract: A method and device for adjusting a brightness of a display includes, determining current viewpoint brightness information of a current viewpoint region on the display corresponding to a user current viewed point or area of the display, determining previous brightness information of a previous viewpoint region of the display corresponding to a previously viewed point or area of the display, and controlling a displaying of a current image, including the current viewpoint region, with an adjusted brightness for a partial region of the display based on a comparison of the current viewpoint brightness information and the previous brightness information.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heesae Lee, Donghoon Sagong, Minjung Son, KeeChang Lee, Hyong Euk Lee
  • 3D RENDERING METHOD AND APPARATUS
    Publication number: 20190236838
    Abstract: A three-dimensional (3D) rendering method for rendering a 3D model includes rendering a 3D model from each viewpoint of direct light sources, obtaining scene information on scenes rendered from each viewpoint of the direct light sources, generating a matched image in which the scenes are matched based on the scene information, and sampling at least one indirect light source from the matched image.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungin PARK, Minsu Ahn, Hyong Euk Lee, Inwoo Ha
  • Particle-based modeling method and apparatus
    Patent number: 10360319
    Abstract: A particle-based modeling method and apparatus may include searching for a second particle neighboring a first particle in a vector field at a current time, and updating a position of each of the first particle and the second particle in each vector field over time, based on correcting a velocity of each of the first particle and the second particle based on a variation satisfying an incompressible constraint condition for each of the first particle and the second particle.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nahyup Kang, Hyong Euk Lee, Ji Yeon Kim
  • Method and device for displaying illumination
    Patent number: 10334697
    Abstract: A method of displaying an illumination includes: based on illumination information, determining, using a least one processor, an illumination area to which an illumination assigned in a virtual space is projected; and visualizing, using the at least one processor, an illumination effect produced by the illumination with respect to a determined boundary area in the illumination area, the determined boundary area including a boundary and a portion of the determined illumination area that is less than all of the determined illumination area.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minjung Son, Donghoon Sagong, KeeChang Lee, Hyong Euk Lee, Heesae Lee
  • 3D graphic rendering method and apparatus
    Patent number: 10332301
    Abstract: A three-dimensional (3D) rendering method and apparatus is disclosed. The 3D rendering apparatus may determine a select shading point in a 3D scene on which shading is to be performed, perform the shading on the determined shading point, and determine shading information of the 3D scene based on a result of the shading performed on the determined shading point.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Inwoo Ha, Minsu Ahn, Hyong Euk Lee, Minjung Son
  • Electronic device configured to display three dimensional (3D) virtual space and method of controlling the electronic device
    Patent number: 10303324
    Abstract: A method of controlling an electronic device includes displaying a three-dimensional (3D) virtual space comprising at least one 3D object, receiving a correspondence command to make a two-dimensional (2D) icon for executing an application correspond to a first object among the at least one 3D object; and assigning an attribute of the 2D icon to the first object.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: May 28, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Sae Lee, Hyong Euk Lee
  • 3D rendering method and apparatus
    Patent number: 10297072
    Abstract: A three-dimensional (3D) rendering method for rendering a 3D model includes rendering a 3D model from each viewpoint of direct light sources, obtaining scene information on scenes rendered from each viewpoint of the direct light sources, generating a matched image in which the scenes are matched based on the scene information, and sampling at least one indirect light source from the matched image.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: May 21, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungin Park, Minsu Ahn, Hyong Euk Lee, Inwoo Ha
  • Image processing apparatus and method
    Patent number: 10262454
    Abstract: An image processing apparatus includes a first shader configured to perform a light shading operation associated with at least one light source on a three-dimensional (3D) model at a first resolution to obtain a light shading result of the first resolution; a second shader configured to perform a surface shading operation on the 3D model at a second resolution different from the first resolution to obtain a surface shading result of the second resolution; and a processor configured to generate a rendering result by combining the light shading result of the first resolution with the surface shading result of the second resolution.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Inwoo Ha, Seungin Park, Minsu Ahn, Hyong Euk Lee
  • Method and apparatus for modeling smoke turbulence based on patch
    Patent number: 10261976
    Abstract: A method and apparatus for modeling smoke turbulence is disclosed. The method of modeling smoke turbulence includes detecting a turbulent area comprising smoke turbulence in a low-resolution image, and searching for a high-resolution patch matching the turbulent area in a memory that comprises high-resolution patches representing smoke turbulence extracted from high-resolution images. The method also models the smoke turbulence by synthesizing the retrieved patch to the low-resolution image.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 16, 2019
    Assignees: Samsung Electronics Co., Ltd., TECHNISCHE UNIVERSITÄT MÜNCHEN
    Inventors: Nahyup Kang, Mengyu Chu, Nils Thuerey, Hyong Euk Lee, Donghoon Sagong
  • 3D rendering and shadow information storing method and apparatus
    Patent number: 10242492
    Abstract: A shadow information storing method and apparatus is disclosed. The shadow information storing apparatus determines a shadow area through rendering a three-dimensional (3D) model based on light radiated from a reference virtual light source, determines a shadow feature value of a vertex of the 3D model based on a distance between a location of the vertex of the 3D model and the shadow area, and stores the determined shadow feature value.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Inwoo Ha, Minsu Ahn, Minjung Son, Hyong Euk Lee
  • System, apparatus, and method for estimating three-dimensional (3D) position and direction precisely
    Patent number: 10197395
    Abstract: A system, apparatus, and method for precisely estimating a three-dimensional (3D) position and a direction. The 3D position and direction estimation apparatus may estimate a distance between at least one receiver and at least one transmitter and a direction of a remote device, based on intensity information of a signal measured at the at least one receiver, may sequentially select the minimum number of intensity information for estimating the 3D position and the direction of the remote device, in a descending order of robustness against noise, based on the estimated distance and direction of the remote device, and may precisely estimate the 3D position and the direction of the remote device based on the selected intensity information.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Hyun Kim, Hyong Euk Lee, Jung Bae Kim, Chang Kyu Choi
  • Method and device for displaying background image
    Patent number: 10181210
    Abstract: At least some example embodiments disclose a method and device for displaying a background image that may change an arrangement of an object based on image information associated with the background image and change a visual effect with respect to an adjacent region of the object.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: January 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Sae Lee, Kee Chang Lee, Hyong Euk Lee
  • Three-dimensional (3D) rendering method and apparatus
    Patent number: 10140755
    Abstract: A three-dimensional (3D) rendering method and apparatus is disclosed. The 3D rendering apparatus determines a vertex for a first shading from among vertices of a 3D model based on characteristic information of the 3D model, performs the first shading on the determined vertex, determines a pixel area for a second shading based on reference information indicating whether the first shading is applied to at least one vertex comprising the pixel area, performs the second shading on the determined pixel area, and generates a rendered image based on the first shading and the second shading.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungin Park, Minsu Ahn, Minjung Son, Hyong Euk Lee, Inwoo Ha
  • Method and apparatus of diagnosing cardiac diseases based on modeling of cardiac motion
    Patent number: 10130332
    Abstract: A method and an apparatus for diagnosing cardiac diseases based on a cardiac motion modeling are provided. The method may include applying physical characteristics of a cardiac motion to a 3D heart shape model, deriving a boundary condition by fusing the 3D heart shape model to which the physical characteristics are applied and a plurality of cardiac ultrasound images according to a temporal change, obtained to acquire a dynamic image, and diagnosing the cardiac diseases using a result of modeling that models the cardiac motion of the user using the boundary condition.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: November 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Yeon Kim, Hyong Euk Lee, Na Hyup Kang
  • Method and apparatus rendering caustics
    Patent number: 10127711
    Abstract: A method of displaying caustics, the method includes determining intersection positions at which rays emitted from a light source pass through particles of a first object and meet a second object; applying caustic textures to the intersection positions; and rendering the first object using a caustic map based on a result of the applying caustic textures to the intersection positions.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hwiryong Jung, Nahyup Kang, Jiyeon Kim, Donghoon Sagong, Hyong Euk Lee, Minjung Son, Inwoo Ha
  • Image processing apparatus and method
    Patent number: 10121282
    Abstract: Provided is an image processing apparatus that may determine whether indirect lights are to be assigned to tiles for tile-based deferred rendering. For example, the image processing apparatus includes a calculator configured to calculate a correlation based on at least one of a first vector representing an object normal direction of a tile to be rendered and a second vector corresponding to a normal vector of an indirect light to be determined to be assigned to the tile, and a determiner configured to determine whether the indirect light is to be assigned to the tile by comparing the correlation to a threshold value.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minsu Ahn, Seungin Park, Hyong Euk Lee, Inwoo Ha
  • Method and apparatus for modeling target object to represent smooth silhouette
    Patent number: 10121253
    Abstract: Provided is a method of modeling a target object, that may obtain depth information from an image in which the target object is represented in a form of particles, obtain distance information between adjacent particles in the image, and detect a silhouette of the target object based on the depth information and the distance information between the adjacent particles in the image.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hwiryong Jung, Nahyup Kang, Jiyeon Kim, Hyong Euk Lee
  • METHOD AND APPARATUS FOR REFINING DEPTH IMAGE
    Publication number: 20180293745
    Abstract: A method of refining a depth image includes extracting shading information of color pixels from a color image, and refining a depth image corresponding to the color image based on surface normal information of an object included in the shading information.
    Type: Application
    Filed: March 6, 2018
    Publication date: October 11, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Inwoo HA, Hyong Euk LEE, Minsu AHN, Young Hun SUNG