Patents by Inventor Byeong-Doo CHOI

Byeong-Doo CHOI 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: 20210005693
    Abstract: A display apparatus including a first thin-film transistor, a second thin-film transistor and a third thin-film transistor is provided. The first thin-film transistor includes a first active layer composed of a polysilicon material, a first gate electrode overlapping the first active layer such that a first gate insulating layer is interposed therebetween, a first source electrode and a first drain electrode. The first gate electrode includes n layers. The first source electrode and the first drain electrode are connected to the first active layer. The second thin-film transistor includes a second active layer composed of a polysilicon material, a second gate electrode overlapping the second active layer such that a first gate insulating layer is interposed therebetween, a second source electrode and a second drain electrode. The second gate electrode includes n+1 layers. The second source electrode and the second drain electrode are connected to the second active layer.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 7, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Seong-Pil CHO, Dong-Yup KIM, Kyung-Mo SON, Sang-Soon NOH, Jun-Seuk LEE, Yong-Bin KANG, Kye-Chul CHOI, Sung-Ho MOON, Sang-Gul LEE, Byeong-Keun KIM, Kyoung-Soo LEE, Hyun-Gyo JEONG, Jin-Kyu ROH, Jung-Doo JIN, Ki-Hyun KWON, Hee-Jin JUNG, Jang-Dae KIM, Won-Ho SON, Chan-Ho KIM
  • Patent number: 10863235
    Abstract: Disclosed is a technology for a sensor network, Machine to Machine (M2M) communication, Machine Type Communication (MTC), and Internet of Things (IoT). The present disclosure can be used for intelligent services based on the technology (services related to smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety). A method of reproducing content by a virtual reality device is provided. The method includes transmitting parameters related to functions of a user device; receiving interest metadata related to content that matches a set of the transmitted parameters; receiving and decoding the content corresponding to a version that matches the set of transmitted parameters in a unit of at least one tile corresponding to a view area to be displayed in accordance with a user's viewpoint based on the interest metadata; and rendering the decoded tile based on the interest metadata.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: December 8, 2020
    Inventors: Eric Yip, Byeong-Doo Choi
  • Patent number: 10855968
    Abstract: A method for transmitting stereoscopic video content according to the present disclosure comprises the steps of: generating, on the basis of data of a stereoscopic video which includes a plurality of omnidirectional videos having parallax, a first frame comprising a plurality of first views projected from the plurality of omnidirectional videos; generating a second frame comprising a plurality of second views by packing, on the basis of region-wise packing information, a plurality of first regions included in the plurality of first views; and transmitting data on the generated second frame, wherein the plurality of second views include a plurality of second regions corresponding to the plurality of first regions, and the region-wise packing information includes information on shape, orientation, or transformation for each of the plurality of second regions.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 1, 2020
    Inventor: Byeong-Doo Choi
  • Publication number: 20200359036
    Abstract: Provided are a video encoding method and apparatus having temporal scalability, and a video decoding method and apparatus having temporal scalability. The video encoding method includes: splitting pictures included in a picture sequence into temporal sub-layers; classifying, as a first temporal layer access picture or a second temporal layer access picture, a temporal layer access picture based on whether a picture encoded after the temporal layer access picture is capable of referring to a picture encoded before the temporal layer access picture; and adding, to transmission unit data including the temporal layer access picture, type syntax information for identifying the first temporal layer access picture and the second temporal layer access picture, wherein the picture encoded after the temporal layer access picture belongs to a same temporal sub-layer as the temporal layer access picture or belongs to an upper temporal sub-layer to the temporal layer access picture.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeong-doo Choi, Young-o Park, Il-koo Kim, Jae-Hyun Kim, Jeong-Hoon Park
  • Patent number: 10827160
    Abstract: Provided is a method for displaying a 3-dimensional (3D) image by a device. The method comprises the steps of: transmitting information on a viewport of the device to a server; receiving data about at least one second region corresponding to the viewport among a plurality of regions of a packed 2D image from the server; and displaying the 3D image based on the received data, wherein the packed 2D image is generated by modifying or rearranging at least a part of a plurality of regions of a 2D image projected from the 3D image, and wherein the at least one second region is identified based on an index of each of at least one first region corresponding to the viewport among the plurality of regions of the 3D image and information on a relationship between an index of each of the plurality of regions of the 3D image and an index of each of the plurality of regions of the packed 2D image.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: November 3, 2020
    Inventors: Eric Yip, Byeong-Doo Choi, Jae-Yeon Song
  • Patent number: 10827197
    Abstract: Provided is a multilayer video decoding method including obtaining a multilayer video bitstream; determining, based on the obtained multilayer video bitstream, whether or not a default reference type, in which at least one layer is inter-layer predicted by using at least one reference layer by default, is used; and inter-layer predicting the at least one layer by using the at least one reference layer according to the default reference type, based on the determining of whether or not the default reference type is used, and decoding an image including the at least one layer.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeong-doo Choi, Min-woo Park, Jin-young Lee, Ho-cheon Wey, Chan-yul Kim
  • Patent number: 10791316
    Abstract: Provided is a method for transmitting data about an omnidirectional image by a server. The method comprises the steps of: receiving, from a terminal, information about a viewport of the terminal; selecting, on the basis of information about the viewport and the respective qualities of a plurality of tracks associated with the omnidirectional image, at least one track among the plurality of tracks; and transmitting data about the selected at least one track to the terminal.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: September 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eric Yip, Ji-Hwan Woo, Byeong-Doo Choi
  • Patent number: 10770032
    Abstract: The present disclosure proposes a solution in which an electronic device configures at least one view window existing in an image frame including a plurality of post-processing areas, identifies a plurality of division areas obtained by dividing the configured view window by the plurality of post-processing areas, obtains a compensation parameter on the basis of the plurality of identified division areas, and processes an image in the view window using the obtained compensation parameter.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eric Yip, Byeong-Doo Choi
  • Patent number: 10764593
    Abstract: Provided are a video encoding method and apparatus having temporal scalability, and a video decoding method and apparatus having temporal scalability. The video encoding method includes: splitting pictures included in a picture sequence into temporal sub-layers; classifying, as a first temporal layer access picture or a second temporal layer access picture, a temporal layer access picture based on whether a picture encoded after the temporal layer access picture is capable of referring to a picture encoded before the temporal layer access picture; and adding, to transmission unit data including the temporal layer access picture, type syntax information for identifying the first temporal layer access picture and the second temporal layer access picture, wherein the picture encoded after the temporal layer access picture belongs to a same temporal sub-layer as the temporal layer access picture or belongs to an upper temporal sub-layer to the temporal layer access picture.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeong-doo Choi, Young-o Park, Il-koo Kim, Jae-hyun Kim, Jeong-hoon Park
  • Patent number: 10755472
    Abstract: Methods and apparatuses are provided for transmitting information about an omni-directional image based on user motion information by a server. Motion parameters are received from an apparatus worn by a user for displaying an omni-directional image. User motion information is generated based on the received motion parameters. First packing information corresponding to a user position is generated based on the user motion information. Second packing information corresponding to a position in close proximity to the user position is generated based on the user motion information. Third packing information is generated based on the first packing information and the second packing information At least one of the first packing information, the second packing information, and the third packing information is transmitted to the apparatus.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Hwan Woo, Eric Yip, Byeong-Doo Choi, Dong-Wook Kwon
  • Patent number: 10728565
    Abstract: A video encoding method, a video encoding apparatus, a video decoding method, and a video decoding apparatus are provided. The video encoding method includes reconstructing a first layer image based on encoding information of the first layer image that is obtained from a bitstream, splitting a largest coding unit of a second layer image into coding units based on split information of the second layer image that is obtained from the bitstream, splitting the coding units into prediction units for prediction encoding, determining whether to use a coding tool for decoding a current prediction unit based on at least one among a prediction mode of the current prediction unit among the prediction units, size information of the current prediction unit, and color depth information of the current prediction unit, and decoding the current prediction unit, using the coding tool, in response to the determining to use the coding tool.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-young Lee, Min-woo Park, Ho-cheon Wey, Jae-won Yoon, Yong-jin Cho, Byeong-doo Choi
  • Patent number: 10685467
    Abstract: A method for transmitting virtual reality (VR) content by a device is provided. The method includes obtaining at least two images captured from a target, arranging the at least two images and projecting the at least two images onto a planar surface to configure a 360-degree image corresponding to the VR content, detecting an overlapped region of the at least two images projected and generating rearrangement information about the overlapped region, and transmitting the rearrangement information and the at least two images.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byeong-Doo Choi, Jae-Yun Jeong, Eric Yip
  • Patent number: 10664948
    Abstract: A method and apparatus are provided for processing information about an omni-directional image. The method includes generating a first two-dimensional (2D) image projected from a first omni-directional image, by setting points on the first omni-directional image, which intersect a straight line passing through a first position that is a center of the first omni-directional image and a second position that is a center of a second omni-directional image, to a first pole and a second pole, generating a second 2D image projected from the second omni-directional image, by setting points on the second omni-directional image, which intersect the straight line passing through the first position and the second position, to a third pole and a fourth pole, and generating a third 2D image corresponding to a 2D image projected from a third omni-directional image centered in a third position between the first position and the second position, based on the first 2D image and the second 2D image.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ji-Hwan Woo, Byeong-Doo Choi, Eric Yip
  • Patent number: 10659778
    Abstract: The present invention relates to a method of playing back a bitstream for transferring a group of pictures, the method comprising the steps of: parsing, when a random access occurs in a first picture, a network abstraction layer (NAL) unit header of at least one second picture following the first picture and determining a NAL unit type of the at least one second picture; removing the at least one second picture from the bitstream on the basis of the determined NAL unit type; and decoding and displaying the bitstream from which the at least one second picture has been removed.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byeong-Doo Choi, Kyung-Mo Park, Jae-Hyeon Bae, Young-Wan So, Jae-Yeon Song, Hyun-Koo Yang
  • Publication number: 20200120325
    Abstract: Provided is a method for displaying a 3-dimensional (3D) image by a device. The method comprises the steps of: transmitting information on a viewport of the device to a server; receiving data about at least one second region corresponding to the viewport among a plurality of regions of a packed 2D image from the server; and displaying the 3D image based on the received data, wherein the packed 2D image is generated by modifying or rearranging at least a part of a plurality of regions of a 2D image projected from the 3D image, and wherein the at least one second region is identified based on an index of each of at least one first region corresponding to the viewport among the plurality of regions of the 3D image and information on a relationship between an index of each of the plurality of regions of the 3D image and an index of each of the plurality of regions of the packed 2D image.
    Type: Application
    Filed: November 14, 2017
    Publication date: April 16, 2020
    Inventors: Eric YIP, Byeong-Doo CHOI, Jae-Yeon SONG
  • Publication number: 20200107007
    Abstract: Provided is a method for transmitting data about an omnidirectional image by a server. The method comprises the steps of: receiving, from a terminal, information about a viewport of the terminal; selecting, on the basis of information about the viewport and the respective qualities of a plurality of tracks associated with the omnidirectional image, at least one track among the plurality of tracks; and transmitting data about the selected at least one track to the terminal.
    Type: Application
    Filed: January 30, 2018
    Publication date: April 2, 2020
    Inventors: Eric YIP, Ji-Hwan WOO, Byeong-Doo CHOI
  • Patent number: 10609412
    Abstract: The present disclosure provides a method for displaying a 360 degree image, capable of performing encoding in tile unit defined as a part of the 360 degree image according to the position occupied within the 360 degree image, the method comprising: an operation for requesting at least one tile corresponding to a view region to be displayed so as to correspond to the viewpoint of a user; an operation for receiving at least one tile corresponding to the view region and decoding the at least one tile received; and an operation for rendering the at least one tile decoded.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 31, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eric Yip, Byeong-Doo Choi
  • Patent number: 10545570
    Abstract: A method for processing virtual reality (VR) content by a content providing device includes identifying cartesian coordinates of a first position on the VR content, estimating a movement of a user of the content providing device, identifying cartesian coordinates of a second position by applying a matrix representing the estimated movement of the user to the cartesian coordinates of the first position, converting the cartesian coordinates of the second position into spherical coordinates of the second position, and providing an area corresponding to the spherical coordinates of the second position to the user.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: January 28, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ji-Hwan Woo, Byeong-Doo Choi
  • Patent number: 10540392
    Abstract: Processing an image includes acquiring, by the image processing apparatus, a target image, extracting a shape of a target object included in the target image, determining a category including the target object based on the extracted shape, and storing the target image by mapping the target image with additional information including at least one keyword related to the category.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: January 21, 2020
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Seong-taek Hwang, Sang-doo Yun, Ha-wook Jeong, Jin-young Choi, Byeong-ho Heo, Woo-sung Kang
  • Publication number: 20190376979
    Abstract: The present invention relates to a method for constructing an Fv library based on a combination of proteins, a method of screening a desired antibody using the constructed Fv library, an Fv antibody screened by the screening method, and an Fv library constructed by the Fv library construction method. The Fv library of the present invention is based on a combination of proteins so that members thereof can be individually analyzed for their function. Moreover, the Fv library enables a desired Fv antibody to be screened without needing a target antigen preparation. In addition, the protein combination based Fv library makes it possible to significantly reduce the number of protein purification processes to thereby reduce costs and time, compared to conventional DNA-based libraries.
    Type: Application
    Filed: April 16, 2019
    Publication date: December 12, 2019
    Applicant: AbTLAS CO., LTD.
    Inventors: Byeong Doo SONG, Jee Sun YUN, Song Yi LEE, Hye In KIM, Hyo Jung CHOI, Jong Rip CHOI