Patents by Inventor Youngjun Yoo

Youngjun Yoo 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: 11971924
    Abstract: A processor-implemented liveness test method includes detecting a face region in a query image, the query image including a test object for a liveness test, determining a liveness test condition to be applied to the test object among at least one liveness test condition for at least one registered user registered in a registration database, determining at least one test region in the query image based on the detected face region and the determined liveness test condition, obtaining feature data of the test object from image data of the determined at least one test region using a neural network-based feature extractor, and determining a result of the liveness test based on the obtained feature data and registered feature data registered in the registration database and corresponding to the determined liveness test condition.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjun Kwak, Byung In Yoo, Youngsung Kim, Chang Kyu Choi, Jaejoon Han
  • Patent number: 11943992
    Abstract: A display device includes an optical module, a light emitting structure, a lower substrate including a display area, and in order within the display area a first area corresponding to the optical module, second area adjacent to the optical module, and a third area including the light emitting structure, a light-transmitting filling layer in the first area and corresponding to the optical module, a light blocking layer in the second area and defining an opening corresponding to the light-transmitting filling layer in the first area, and an upper substrate facing the lower substrate with the light emitting structure and the light blocking layer therebetween.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jongbeom Hong, Yongsub Shim, Reehyang Kim, Youngjun Yoo
  • Publication number: 20240087358
    Abstract: A processor-implemented method includes generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngjun KWAK, Minsu KO, Youngsung KIM, Heewon KIM, Ju Hwan SONG, Byung In YOO, Seon Min RHEE, Yong-il LEE, Jiho CHOI, Seungju HAN
  • Patent number: 11847771
    Abstract: A method includes obtaining at least one image and a ground truth map associated with the at least one image. The method also includes generating multiple optical maps using multiple algorithms and the at least one image. The method further includes, for each algorithm, identifying at least one score for the algorithm using one or more of the optical maps generated using the algorithm and the ground truth map. The ground truth map identifies one or more boundaries associated with one or more foreground objects in the at least one image. The scores identify how well the optical maps generated using the algorithms separate the one or more foreground objects from a background in the at least one image.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: December 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yingmao Li, Chenchi Luo, Youngjun Yoo
  • Patent number: 11823353
    Abstract: A method includes processing, using at least one processor of an electronic device, multiple reference images of a scene using a first convolutional neural network (CNN) to generate a confidence map and a disparity map. The method also includes generating, using the at least one processor, an initial Bokeh image based on the disparity map and the reference images using a depth-of-field (DoF) renderer. The method further includes refining, using the at least one processor, the initial Bokeh image using a second CNN to generate a refined Bokeh image, where the second CNN uses the confidence map, the disparity map, and the reference images to generate the refined Bokeh image.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: November 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chenchi Luo, Yingmao Li, Kaimo Lin, Youngjun Yoo
  • Patent number: 11816855
    Abstract: A method includes obtaining at least three input image frames of a scene captured using at least three imaging sensors. The input image frames include a reference image frame and multiple non-reference image frames. The method also includes generating multiple disparity maps using the input image frames. Each disparity map is associated with the reference image frame and a different non-reference image frame. The method further includes generating multiple confidence maps using the input image frames. Each confidence map identifies weights associated with one of the disparity maps. In addition, the method includes generating a depth map of the scene using the disparity maps and the confidence maps. The imaging sensors are arranged to define multiple baseline directions, where each baseline direction extends between the imaging sensor used to capture the reference image frame and the imaging sensor used to capture a different non-reference image frame.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: November 14, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chenchi Luo, Yingmao Li, Kaimo Lin, Youngjun Yoo
  • Patent number: 11805690
    Abstract: A display device includes: a first substrate including a first region, a second region adjacent to the first region, and a third region adjacent to the second region; a plurality of emission layers on the first substrate; a first anti-reflection layer on the plurality of emission layers, and to transmit a first colored light; a second anti-reflection layer on the plurality of emission layers, and to transmit a second colored light and a third colored light that are different from the first colored light; and a second substrate on the first anti-reflection layer and the second anti-reflection layer.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongbeom Hong, Reehyang Kim, Yongsub Shim, Youngjun Yoo
  • Patent number: 11743574
    Abstract: An electronic device includes a display, a camera, and a processing device. The processing device is configured to determine whether (i) a user's face or eyes are within the camera's field of view or (ii) a gaze of the user is directed towards the display. The processing device is also configured, in response to determining that (i) the user's face or eyes are not within the camera's field of view or (ii) the gaze of the user is not directed towards the display, to modify a user interface button presented on the display. The user interface button may represent a shutter button configured to cause the camera or another camera of the electronic device to capture one or more images.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: August 29, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: David Liu, Youngjun Yoo
  • Patent number: 11720782
    Abstract: A method includes obtaining, using at least one processor of an electronic device, multiple calibration parameters associated with multiple sensors of a selected mobile device. The method also includes obtaining, using the at least one processor, an identification of multiple imaging tasks. The method further includes obtaining, using the at least one processor, multiple synthetically-generated scene images. In addition, the method includes generating, using the at least one processor, multiple training images and corresponding meta information based on the calibration parameters, the identification of the imaging tasks, and the scene images. The training images and corresponding meta information are generated concurrently, different ones of the training images correspond to different ones of the sensors, and different pieces of the meta information correspond to different ones of the imaging tasks.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: August 8, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chenchi Luo, Gyeongmin Choe, Yingmao Li, Zeeshan Nadir, Hamid R. Sheikh, John Seokjun Lee, Youngjun Yoo
  • Patent number: 11631163
    Abstract: A method includes processing, using at least one processor of an electronic device, each of multiple images using a photometric augmentation engine, where the photometric augmentation engine performs one or more photometric augmentation operations. The method also includes applying, using the at least one processor, multiple layers of a convolutional neural network to each of the images, where each layer generates a corresponding feature map. The method further includes processing, using the at least one processor, at least one of the feature maps using at least one feature augmentation engine between consecutive layers of the multiple layers, where the at least one feature augmentation engine performs one or more feature augmentation operations.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chenchi Luo, Yingmao Li, Youngjun Yoo
  • Publication number: 20230073072
    Abstract: Provided are a display panel and an electronic device. On a plane, a distance between an edge of a blocking metal layer and a bending point of an electrode may be greater than a set distance.
    Type: Application
    Filed: June 3, 2022
    Publication date: March 9, 2023
    Inventors: Jongbeom Hong, Yongsub Shim, Jungmin Choi, Youngjun Yoo, Younho Han
  • Publication number: 20230028122
    Abstract: A display device includes a display panel, an input sensor, a light blocking pattern, and a window. A distance between an edge of the light blocking pattern and an edge of a first conductive pattern of the input sensor satisfies Formula below: L ? T × tan ? ( arcsin ? ( 1 n ? 1 × sin ? 90 ? ° ) ) where L represents the distance, T is a thickness of an insulating layer disposed on the upper side of the light blocking pattern, and n1 is a refractive index. The thickness is measured at the edge of the light blocking pattern.
    Type: Application
    Filed: June 2, 2022
    Publication date: January 26, 2023
    Inventors: JONGBEOM HONG, GUNSHIK KIM, YOUNGJUN YOO
  • Patent number: 11556784
    Abstract: A method includes identifying, by at least one processor, multiple features of input data using a common feature extractor. The method also includes processing, by the at least one processor, at least some identified features using each of multiple pre-processing branches. Each pre-processing branch includes a first set of neural network layers and generates initial outputs associated with a different one of multiple data processing tasks. The method further includes combining, by the at least one processor, at least two initial outputs from at least two pre-processing branches to produce combined initial outputs. In addition, the method includes processing, by the at least one processor, at least some initial outputs or at least some combined initial outputs using each of multiple post-processing branches. Each post-processing branch includes a second set of neural network layers and generates final outputs associated with a different one of the multiple data processing tasks.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chenchi Luo, Yingmao Li, Youngjun Yoo
  • Patent number: 11532091
    Abstract: A method includes obtaining, using at least one processor, an input image frame. The method also includes identifying, using the at least one processor, one or more regions of the input image frame containing redundant information. In addition, the method includes performing, using the at least one processor, an image processing task using the input image frame. The image processing task is guided based on the one or more identified regions of the input image frame. The method may further include obtaining, using the at least one processor, a coarse depth map associated with the input image frame. Performing the image processing task may include refining the coarse depth map to produce a refined depth map, where the refining of the coarse depth map is guided based on the one or more identified regions of the input image frame.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: December 20, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kushal Kardam Vyas, Yingmao Li, Chenchi Luo, George Q. Chen, Hamid R. Sheikh, Youngjun Yoo, Michael O. Polley
  • Patent number: 11503266
    Abstract: A method includes obtaining, using at least one processor, first and second input image frames, where the first and second input image frames are associated with first and second image planes, respectively. The method also includes obtaining, using the at least one processor, a depth map associated with the first input image frame. The method further includes producing another version of the depth map by performing one or more times: (a) projecting, using the at least one processor, the first input image frame to the second image plane in order to produce a projected image frame using (i) the depth map and (ii) information identifying a conversion from the first image plane to the second image plane and (b) adjusting, using the at least one processor, at least one of the depth map and the information identifying the conversion from the first image plane to the second image plane.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kushal Kardam Vyas, Yingmao Li, Chenchi Luo, George Q. Chen, Hamid R. Sheikh, Youngjun Yoo, Michael O. Polley
  • Publication number: 20220337747
    Abstract: A method for operating an electronic device includes capturing, by an image sensor module, a stream from a pixel array. The method also includes processing, by the image sensor module, the stream to generate a preview stream and a full frame stream. The method further includes compressing, by the image sensor module, the preview stream using a first compression and the full frame stream using a second compression. In addition, the method includes outputting, by the image sensor module, the compressed preview stream and the compressed full frame stream.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Hamid R. Sheikh, Youngjun Yoo, John Seokjun Lee, Michael O. Polley
  • Patent number: 11449968
    Abstract: A method includes obtaining, using at least one processor of an electronic device, multiple video frames of a video stream and multiple depth frames corresponding to the multiple video frames. The method also includes generating, using the at least one processor, multiple blur kernel maps based on the multiple depth frames. The method further includes reducing, using the at least one processor, depth errors in each of the multiple blur kernel maps. The method also includes performing, using the at least one processor, temporal smoothing on the multiple blur kernel maps to suppress temporal artifacts between different ones of the multiple blur kernel maps. In addition, the method includes generating, using the at least one processor, blur effects in the video stream using the multiple blur kernel maps.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaimo Lin, Chenchi Luo, Yingmao Li, Youngjun Yoo
  • Publication number: 20220271106
    Abstract: A display device includes an optical module, a light emitting structure, a lower substrate including a display area, and in order within the display area a first area corresponding to the optical module, second area adjacent to the optical module, and a third area including the light emitting structure, a light-transmitting filling layer in the first area and corresponding to the optical module, a light blocking layer in the second area and defining an opening corresponding to the light-transmitting filling layer in the first area, and an upper substrate facing the lower substrate with the light emitting structure and the light blocking layer therebetween.
    Type: Application
    Filed: November 17, 2021
    Publication date: August 25, 2022
    Inventors: JONGBEOM HONG, YONGSUB SHIM, REEHYANG KIM, YOUNGJUN YOO
  • Patent number: 11412136
    Abstract: A method includes, in a first mode, positioning first and second tiltable image sensor modules of an image sensor array of an electronic device so that a first optical axis of the first tiltable image sensor module and a second optical axis of the second tiltable image sensor module are substantially perpendicular to a surface of the electronic device, and the first and second tiltable image sensor modules are within a thickness profile of the electronic device. The method also includes, in a second mode, tilting the first and second tiltable image sensor modules so that the first optical axis of the first tiltable image sensor module and the second optical axis of the second tiltable image sensor module are not perpendicular to the surface of the electronic device, and at least part of the first and second tiltable image sensor modules are no longer within the thickness profile of the electronic device.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hamid R. Sheikh, Youngjun Yoo, John Seokjun Lee, Michael O. Polley
  • Publication number: 20220207655
    Abstract: A method includes obtaining, using at least one processor of an electronic device, multiple video frames of a video stream and multiple depth frames corresponding to the multiple video frames. The method also includes generating, using the at least one processor, multiple blur kernel maps based on the multiple depth frames. The method further includes reducing, using the at least one processor, depth errors in each of the multiple blur kernel maps. The method also includes performing, using the at least one processor, temporal smoothing on the multiple blur kernel maps to suppress temporal artifacts between different ones of the multiple blur kernel maps. In addition, the method includes generating, using the at least one processor, blur effects in the video stream using the multiple blur kernel maps.
    Type: Application
    Filed: December 31, 2020
    Publication date: June 30, 2022
    Inventors: Kaimo Lin, Chenchi Luo, Yingmao Li, Youngjun Yoo