Patents by Inventor Yang-Ho Cho

Yang-Ho Cho 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).

  • Publication number: 20240236510
    Abstract: An image sensor includes a color filter array including a first color filter including a first number of blue pass filtering elements, the first number of red pass filtering elements, and green pass filtering elements in a first pattern, wherein a number of the green pass filtering elements in the first pattern is twice the first number, and a second color filter including a second number of blue pass filtering elements, the second number of red pass filtering elements, and green pass filtering elements in a second pattern, wherein a number of green pass filtering elements in the second pattern is twice the second number, and the second number is greater than the first number. The second color filter may surround an area of the first color filter.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho Cho, Kiwoo Lee, Dong Kyung Nam
  • Patent number: 12015883
    Abstract: An electronic device includes an image sensor including a color filter having a plurality of color channels, a memory storing a plurality of color conversion matrices and instructions, and a processor. The processor is configured to obtain noise information of a color image captured by the image sensor, select a target matrix from among the plurality of the color conversion matrices based on the obtained noise information, and generate a color converted image by applying the selected target matrix to the color image.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: June 18, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yang Ho Cho, Geonwoo Kim, Sung Kwang Cho, Dong Kyung Nam
  • Publication number: 20240187746
    Abstract: An image processing method includes: based on an imaging device generating an input array image of a multi-view through an array lens, determining a first setting parameter indicating whether to use the multi-view or a single view selected from the multi-view; determining a second setting parameter indicating whether a priority is assigned to sensitivity enhancement based on pixel binning or to resolution enhancement based on pixel interpolation; determining an image processing mode based on the first setting parameter and the second setting parameter; and generating an output image by performing image processing on the input array image based on a processing procedure that is based on the determined image processing mode.
    Type: Application
    Filed: October 3, 2023
    Publication date: June 6, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jingu HEO, Byong Min KANG, Juyong PARK, Dong Kyung NAM, Yang Ho CHO
  • Patent number: 11991486
    Abstract: Disclosed is a color transform method performed by an electronic device that includes generating an initial color transformed image by performing color transform on a raw image, determine noise amplification degrees indicating degrees to which noise included in the raw image is amplified by the color transform, processing the determined noise amplification degrees, and generating a final color transformed image by filtering the generated initial color transformed image using the processed noise amplification degrees and at least one of the raw image or luminance information of the raw image.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Geonwoo Kim, Sung Kwang Cho, Yang Ho Cho, Dong Kyung Nam
  • Patent number: 11988849
    Abstract: An imaging device is provided. The imaging device may sense light passing through a corresponding imaging lens and a corresponding color filter in sensing elements disposed in a sensing region for each color channel, and generate sensing data based on a grouping of color intensity values sensed by the sensing elements for each sensing region based on a binning size determined based on an illuminance of light.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Deokyoung Kang, Daekun Yoon, Yang Ho Cho, Dong Kyung Nam
  • Publication number: 20240137661
    Abstract: An image sensor includes a color filter array including a first color filter including a first number of blue pass filtering elements, the first number of red pass filtering elements, and green pass filtering elements in a first pattern, wherein a number of the green pass filtering elements in the first pattern is twice the first number, and a second color filter including a second number of blue pass filtering elements, the second number of red pass filtering elements, and green pass filtering elements in a second pattern, wherein a number of green pass filtering elements in the second pattern is twice the second number, and the second number is greater than the first number. The second color filter may surround an area of the first color filter.
    Type: Application
    Filed: March 13, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho Cho, Kiwoo Lee, Dong Kyung Nam
  • Publication number: 20240135587
    Abstract: A method of learning a parameter of a sensor filter and an apparatus for performing the method are provided. The learning method may include performing a simulation on a target image for each spectrum of a sensor filter, obtaining an output value by inputting the simulated image to a vision model for a vision task, and learning a parameter of the sensor filter based on a loss between a label of the vision model and the output value of the vision model.
    Type: Application
    Filed: April 13, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Kwang CHO, Geonwoo Kim, Yang Ho Cho, Dong Kyung Nam
  • Publication number: 20240111203
    Abstract: An imaging device includes an imaging lens array including a plurality of imaging lenses each with a same focal length, the plurality of imaging lenses being configured to capture a scene; a sensing array comprising a plurality of sensors configured to receive light passing through the plurality of imaging lenses; a processor configured to determine a scene depth plane corresponding to the scene based on a comparison, for each of a plurality of candidate depths, between reference pixel values based on first sensors of the plurality of sensors corresponding to a reference imaging lens of the plurality of imaging lenses and target pixel values that are based on second sensors of the plurality of sensors corresponding to a target imaging lens of the plurality of image lenses; and a lens driver configured to position the imaging lens array to be disposed at a point corresponding to the scene depth plane.
    Type: Application
    Filed: March 14, 2023
    Publication date: April 4, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho CHO, Juyong PARK, Jingu HEO, Dong Kyung NAM
  • Publication number: 20240112440
    Abstract: A method and apparatus for array image processing are provided. The method includes receiving sub images corresponding to different views of an input array image generated through an array lens, generating temporary restored images based on the sub images using a gradient between neighboring pixels of each of the sub images, determining matching information based on a view difference between pixels of the sub images using a neural network model, based on a pixel distance between matching pairs of the pixels of the sub images using the matching information, extracting refinement targets from the matching pairs, refining the matching information by replacing at least some of target pixels included in the refinement targets based on a local search of a region based on pixel locations of the refinement targets, and generating an output image of a single view by merging the temporary restored images based on the refined matching information.
    Type: Application
    Filed: August 22, 2023
    Publication date: April 4, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jingu HEO, Byong Min KANG, Dong Kyung NAM, Yang Ho CHO
  • Publication number: 20240107181
    Abstract: An optimization method includes determining first information related to a difference between the color filter spectrum and the color spectrum or a difference between an image transformed by the color transformation matrix and a ground truth (GT) image in the reset color space, determining second information representing smoothness of the color filter spectrum, third information representing a transmittance of the color filter spectrum, calculating a cost value based on the first information, the second information, and the third information, compare the calculated cost value and a threshold, and updating one of the filter spectrum information and the color transformation matrix in response to the calculated cost value being equal to or greater than the threshold.
    Type: Application
    Filed: March 31, 2023
    Publication date: March 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Geonwoo Kim, Sung Kwang Cho, Yang Ho Cho, Dong Kyung Nam
  • Patent number: 11941781
    Abstract: An image restoration method and apparatus are provided. The image restoration method includes acquiring a target image, and acquiring a restoration image of the target image from an image restoration model to which the target image and pixel position information of the target image are input.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deokyoung Kang, Yang Ho Cho
  • Publication number: 20240048833
    Abstract: An apparatus having a lens assembly array and a method of using the apparatus are provided. The apparatus includes a lens assembly array including a plurality of lens assemblies each including a plurality of individual lenses in a form of an array, an actuator assembly configured to move at least a portion of the plurality of lens assemblies in at least one direction, and a single image sensor configured to generate image data including a plurality of sub-images corresponding to the plurality of lens assemblies based on light passing through the lens assembly array.
    Type: Application
    Filed: June 2, 2023
    Publication date: February 8, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kiwoo LEE, Yang Ho CHO
  • Publication number: 20240022818
    Abstract: An image sensor includes a plurality of lens elements, each lens element of the plurality of lens elements including a plurality of scatterers arranged to concentrate light incident on the image sensor; and a sensing element configured to sense light passing through the plurality of lens elements, wherein one lens element of the plurality of lens elements has a first focal length that is different from a second focal length of another lens element of the plurality of lens elements and is separated from the sensing element by the first focal length.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho CHO, Kyuhwan CHOI, Seunghoon HAN
  • Patent number: 11812149
    Abstract: An image sensor includes a plurality of lens elements, each lens element of the plurality of lens elements including a plurality of scatterers arranged to concentrate light incident on the image sensor; and a sensing element configured to sense light passing through the plurality of lens elements, wherein one lens element of the plurality of lens elements has a first focal length that is different from a second focal length of another lens element of the plurality of lens elements and is separated from the sensing element by the first focal length.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho Cho, Kyuhwan Choi, Seunghoon Han
  • Patent number: 11778350
    Abstract: A method of driving a lens array camera may include simultaneously driving a first group of sensing elements from among a plurality of sensing elements, each sensing element from among the first group of sensing elements corresponding to a same original signal viewpoint, wherein the plurality of sensing elements is included in a sensor corresponding to the lens array camera including N rows of N lenses, N being a natural number.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daekun Yoon, Yang Ho Cho, Kyuhwan Choi, Deokyoung Kang
  • Patent number: 11756975
    Abstract: An image sensor includes a plurality of thin lens elements, each of the plurality of thin lens elements including a plurality of scatterers configured to concentrate light of a partial wavelength band among light incident on the image sensor. The image sensor further includes a micro lens array configured to concentrate light of another wavelength band wider than the partial wavelength band, and a sensing element configured to sense light passing through the plurality of thin lens elements and the micro lens array.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang Ho Cho, Seunghoon Han, Kyuhwan Choi
  • Patent number: 11734800
    Abstract: A method for processing an image by using a neural network is provided. The method includes obtaining a target image; and obtaining a restored image corresponding to the target image by using the neural network, the neural network including a plurality of residual blocks connected sequentially. The obtaining the restored image includes obtaining the restored image by performing, in each residual block of the plurality of residual blocks, image processing on an input image, which is input from a previous residual block, on different scales, and providing results of the image processing performed on the different scales to a subsequent residual block.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONIC CO., LTD.
    Inventors: Deokyoung Kang, Yang Ho Cho
  • Publication number: 20230256824
    Abstract: Provided are an image processing method and an image processing device. The image processing method includes generating an image based on viewpoint information of a user; rendering the image based on information about what is in front of the user; and outputting the rendered image using an optical element.
    Type: Application
    Filed: April 24, 2023
    Publication date: August 17, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jinho LEE, Dong Kyung Nam, Juyong Park, Yang Ho Cho, Kyuhwan Choi, Yoonsun Choi
  • Publication number: 20230228916
    Abstract: An imaging device is provided. The imaging device may sense light passing through a corresponding imaging lens and a corresponding color filter in sensing elements disposed in a sensing region for each color channel, and generate sensing data based on a grouping of color intensity values sensed by the sensing elements for each sensing region based on a binning size determined based on an illuminance of light.
    Type: Application
    Filed: September 30, 2022
    Publication date: July 20, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: DEOKYOUNG KANG, DAEKUN YOON, YANG HO CHO, DONG KYUNG NAM
  • Publication number: 20230206392
    Abstract: An apparatus with image processing includes: one or more processors configured to: generate a full sampling image by demosaicing a first color filter array (CFA)-based input image; based on a trained color conversion model trained for color conversion and noise suppression of the full sampling image, determine a bias and a conversion matrix corresponding to each pixel of the full sampling image; and based on the conversion matrix and the bias, convert a color space of the full sample image, corresponding to the first CFA, into a color space corresponding to a second CFA.
    Type: Application
    Filed: September 6, 2022
    Publication date: June 29, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: SUNG KWANG CHO, Geonwoo KIM, Yang Ho CHO, Deokyoung KANG, Dong Kyung NAM