Patents by Inventor Won-hee Choe

Won-hee Choe 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: 10209513
    Abstract: A wearable device that is configured to be worn on a body of a user and a control method thereof are provided. The wearable device includes an image projector configured to project a virtual user interface (UI) screen, a camera configured to capture an image, and a processor configured to detect a target area from the image captured by the camera, control the image projector to project the virtual UI screen, which corresponds to at least one of a shape and a size of the target area, onto the target area, and perform a function corresponding to a user interaction that is input through the virtual UI screen.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: February 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hwan Woo, Won-hee Choe
  • Patent number: 10204593
    Abstract: A display apparatus includes a display configured to display content, a sensor configured to sense ambient light, and a processor configured to, in response to the ambient light satisfying a predetermined condition, divide the screen into at least a first area and a second area based on an attribute of the content and individually control a first output luminance of the first area and a second output luminance of the second area.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: February 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo Lee, Won-hee Choe, Seung-hwan Cho, Jae-hun Cho, Jae-won Choi
  • Patent number: 10187586
    Abstract: Provided is an image generation system and method, more particularly, an image generation system and method which can generate a high dynamic range image from a plurality of images acquired in a single short exposure. The image generation system To includes an image generation system having an image acquisition unit to acquire an image, an image generation unit to generate, from the acquired image, a plurality of images with different resolution and brightness, and an image synthesis unit to synthesize the generated images.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: January 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Myung-jin Eom, Chang-yeong Kim, Seong-deok Lee
  • Patent number: 10140685
    Abstract: A display device is provided. The display device includes: an image processor image-processing contents and scaling the contents at a first scaling magnification; a controller determining a second scaling magnification on the basis of a resolution of the contents scaled at the first scaling magnification and an output resolution of the display device; and a display scaling the contents scaled at the first scaling magnification depending on the second scaling magnification and displaying the contents scaled depending on the second scaling magnification.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: November 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo Lee, Jong-ho Kim, Hyun-hee Park, Jae-hun Cho, Ho-jin Kim, Yong-man Lee, Won-hee Choe, Dong-kyoon Han
  • Patent number: 10127889
    Abstract: Provided is a display system. The display system includes: a display; a sensor that senses light that is irradiated onto the surface of the display; and a controller that locally adjusts the luminance of a partial area in which visibility deteriorates as a result of the irradiated light in all display areas of the display.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-heon Lee, Se-hoon Kim, Won-hee Choe
  • Publication number: 20180013963
    Abstract: Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
    Type: Application
    Filed: August 14, 2017
    Publication date: January 11, 2018
    Inventors: Won-hee CHOE, Jae-hyun KWON, Seong-deok LEE
  • Publication number: 20170353689
    Abstract: A display device is provided. The display device includes a display configured to display at least one of an image and a text; a sensing unit configured to sense ambient illuminance; and a processor configured to gradually increase an output luminance value of the display, if a specific condition is satisfied based on the ambient illuminance sensed by the sensing unit and display attributes.
    Type: Application
    Filed: December 3, 2015
    Publication date: December 7, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-hee CHOE, Min-woo LEE
  • Patent number: 9830846
    Abstract: An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, In-ji Kim, Seong-deok Lee, Chang-yeong Kim
  • Publication number: 20170293996
    Abstract: A display device is provided. The display device includes: an image processor image-processing contents and scaling the contents at a first scaling magnification; a controller determining a second scaling magnification on the basis of a resolution of the contents scaled at the first scaling magnification and an output resolution of the display device; and a display scaling the contents scaled at the first scaling magnification depending on the second scaling magnification and displaying the contents scaled depending on the second scaling magnification.
    Type: Application
    Filed: August 28, 2015
    Publication date: October 12, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo LEE, Jong-ho KIM, Hyun-hee PARK, Jae-hun CHO, Ho-jin KIM, Yong-man LEE, Won-hee CHOE, Dong-kyoon HAN
  • Patent number: 9736403
    Abstract: Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof. The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 15, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Jae-hyun Kwon, Seong-deok Lee
  • Patent number: 9569820
    Abstract: Image correcting methods and apparatuses for removing speckles from an image are provided. The image correcting method includes selecting a first region in an image; removing a speckle from a second region except for the first region from the image by using image information at a predetermined frequency band in the image; and increasing a contrast level of the first region.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Jae-guyn Lim, Seong-deok Lee
  • Publication number: 20170011692
    Abstract: A display apparatus is provided.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 12, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo LEE, Han-tak KWAK, Won-hee CHOE
  • Publication number: 20160372053
    Abstract: A user terminal device is provided. The user terminal device includes a display, a first sensor provided on a front surface of the user terminal device and configured to detect a front illumination, a second sensor provided on a rear surface of the user terminal device and configured to detect a rear illumination, and a controller configured to adjust a luminance of the display based on the front illumination detected by the first sensor and the rear illumination detected by the second sensor.
    Type: Application
    Filed: April 5, 2016
    Publication date: December 22, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-heon LEE, Se-hoon KIM, Jee-young YEOM, Won-hee CHOE, Han-tak KWAK, Seo-young LEE
  • Publication number: 20160358582
    Abstract: Provided is a display system. The display system includes: a display; a sensor that senses light that is irradiated onto the surface of the display; and a controller that locally adjusts the luminance of a partial area in which visibility deteriorates as a result of the irradiated light in all display areas of the display.
    Type: Application
    Filed: October 22, 2015
    Publication date: December 8, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-heon LEE, Se-hoon KIM, Won-hee CHOE
  • Publication number: 20160314762
    Abstract: A display apparatus includes a display configured to display content, a sensor configured to sense ambient light, and a processor configured to, in response to the ambient light satisfying a predetermined condition, divide the screen into at least a first area and a second area based on an attribute of the content and individually control a first output luminance of the first area and a second output luminance of the second area.
    Type: Application
    Filed: April 13, 2016
    Publication date: October 27, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo LEE, Won-hee CHOE, Seung-hwan CHO, Jae-hun CHO, Jae-won CHOI
  • Publication number: 20160306533
    Abstract: A portable device and a method for controlling brightness thereof are provided. The portable device includes a display, a sensor and a controller. The display provides a display region that is displayed with a first brightness. The sensor senses a surrounding brightness of the portable device. The controller controls the display to display a partial region corresponding to a User Interaction (UI) element in the display region with a second brightness based on the sensed surrounding brightness.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 20, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pankaj AGARWAL, Ji-su JUNG, Won-hee CHOE
  • Patent number: 9435922
    Abstract: An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Hee Choe, Seong-Deok Lee, Young-Jin Yoo
  • Patent number: 9361685
    Abstract: There are provided an apparatus and a method for acquiring multi-parametric images from an MRI device. In one general aspect, the apparatus for acquiring multi-parametric images includes an image analyzer configured to determine a significance level of each of a plurality of multi-parametric images relating to a disease, and to determine an acquisition order of the multi-parametric images relating to the disease; and a model constructer configured to construct an acquisition model of the multi-parametric images based on the acquisition order and the multi-parametric images to be used in diagnosing the disease.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: June 7, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong-Kyeong Seong, Jong-Ha Lee, Won-Hee Choe
  • Publication number: 20160127624
    Abstract: A wearable device that is configured to be worn on a body of a user and a control method thereof are provided. The wearable device includes an image projector configured to project a virtual user interface (UI) screen, a camera configured to capture an image, and a processor configured to detect a target area from the image captured by the camera, control the image projector to project the virtual UI screen, which corresponds to at least one of a shape and a size of the target area, onto the target area, and perform a function corresponding to a user interaction that is input through the virtual UI screen.
    Type: Application
    Filed: June 4, 2015
    Publication date: May 5, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hwan WOO, Won-hee CHOE
  • Patent number: 9240060
    Abstract: A method and an apparatus for generating a tomographic image are provided. The method for generating a tomographic image may involve: detecting a principal frequency region corresponding to a portion of a frequency data corresponding to a tomographic image, determining a plurality of sub frequency regions within the principal frequency region, and generating, by a processor, the tomographic image by synthesizing data of the plurality of sub frequency regions.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: January 19, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn Lim, Won-hee Choe, Seong-deok Lee, Woo-young Jang