Patents by Inventor Kwang-Pyo Choi

Kwang-Pyo 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).

  • Patent number: 10931971
    Abstract: Provided are a method and apparatus for encoding or decoding a 360-degree image. According to an image decoding method and apparatus according to an embodiment, an original 360-degree image is reconstructed by acquiring image data from a bitstream, decoding a projection image of a 360-degree image from the image data, converting the projection image into the 360-degree image, acquiring rotation information of the 360-degree image from the bitstream, and rotating the 360-degree image based on the rotation information.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Elena Alshina, Vladyslav Zakharchenko, Alexander Alshin, Kwang-pyo Choi
  • Publication number: 20210021845
    Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o PARK, Il-koo KIM, Chan-yul KIM, Kwang-pyo CHOI
  • Patent number: 10891711
    Abstract: Provided is an image processing method including: generating an omnidirectional spherical image; determining information regarding a director's view that indicates some regions of the omnidirectional spherical image; generating a projection image by projecting the omnidirectional spherical image to a development view of a polyhedron; dividing, from the projection image, a director's view projection image corresponding to the director's view, based on the information regarding the director's view; reshaping the director's view projection image into a director's view rectangular image by moving a location of at least one of pixels of the director's view projection image; and generating a bitstream which the director's view rectangular image is encoded into.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Vladyslav Zakharchenko, Kwang-pyo Choi, Hyun-jung Kim, Chang-hyun Lee
  • Publication number: 20200390842
    Abstract: The present invention relates to a composition comprising natural plant extracts for alleviating inflammation caused by yellow dust and fine particulate, wherein the plant extracts of the present invention inhibit a production of NO caused by the yellow dust and fine particulate and a production of inflammatory cytokines, thus having an excellent effect on preventing or alleviating skin inflammation caused by the yellow dust, fine particulate and other harmful substances.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 17, 2020
    Inventors: Jae Hun Kim, Seung Ki Lee, Joo Hyuck Lim, Yeon Sook Kim, Won Kang Moon, Chi Ho Choi, Kwang Jun Yoon, Sung Ho Moon, Sung Hyun Lee, Myeong Hun Yeom, Soo Mi Ahn, Kyoung Wook Kim, Mi Kyung Sung, Young Pyo Jang, Jinju Kim
  • Publication number: 20200389658
    Abstract: Provided are an image compressing method including determining a compressed image by performing downsampling using a deep neural network (DNN) on an image; determining a prediction signal by performing prediction based on the compressed image; determining a residual signal based on the compressed image and the prediction signal; and generating a bitstream comprising information about the residual signal, wherein the DNN has a network structure that is predetermined according to training of a downsampling process using information generated in an upsampling process, and an image compressing device for performing the image compressing method. Also, provided are an image reconstructing method of reconstructing a compressed image by using a DNN for upsampling, the compressed image having been compressed by the image compressing method, and an image reconstructing device for performing the image reconstructing method.
    Type: Application
    Filed: February 6, 2018
    Publication date: December 10, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-hwan KIM, Young-o PARK, Jeong-hoon PARK, Jong-seok LEE, Sun-young JEON, Kwang-pyo CHOI
  • Publication number: 20200388003
    Abstract: Embodiments herein disclose a method for producing 360 degree image content on a rectangular projection in an electronic device. The method includes obtaining a 360 degree image content represented by packing one or more projection segments arranged in a rectangular projection. The method includes detecting whether at least one discontinuous boundary is present in the 360-degree image content. The at least one discontinuous boundary is detected using the packing of one or more projection segments. The method includes applying at least one padding information on the at least one discontinuous boundary. The method includes producing another 360 degree image content on the rectangular projection in the electronic device based on the padding information.
    Type: Application
    Filed: October 10, 2018
    Publication date: December 10, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Amith DSOUZA, Anubhav SINGH, Sri Nitchith AKULA, Ramkumaar Kovil KANDHADAI, Chirag PUJARA, Raj Narayana GADDE, Elena ALSHINA, Kwang Pyo CHOI
  • Patent number: 10825133
    Abstract: Provided is an image processing method including: acquiring images captured in at least two directions; generating a projection image by projecting the images onto a polyhedron; moving a location of at least one pixel among pixels in the projection image to reshape the projection image into a rectangular image; and processing the rectangular image.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Zakharchenko Vladyslav, Kwang-pyo Choi, Jeong-hoon Park
  • Patent number: 10819989
    Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o Park, Il-koo Kim, Chan-yul Kim, Kwang-pyo Choi
  • Patent number: 10805637
    Abstract: Provided is a video encoding method including obtaining a projected image by projecting a three-dimensional image onto a polyhedron; generating a rectangular image including a first pixel region and a second pixel region, the first pixel region corresponding to the projected image; selecting a block including at least one pixel included in the first pixel region and at least one pixel included in the second pixel region, the block being from among blocks split from the rectangular image and each block having a predetermined size; substituting a pixel value of the at least one pixel included in the second pixel region included in the selected block with a predetermined value; and encoding the selected block.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-seok Choi, Kwang-pyo Choi
  • Patent number: 10757416
    Abstract: Provided is a method for adaptively compressing image data. A refresh rate and a compression rate of the image data are determined based on motion information of the image data, and the image data are compressed based on the determined refresh rate and compression rate.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o Park, Kwang-pyo Choi, Jeong-hoon Park
  • Patent number: 10735724
    Abstract: An image encoding method includes: obtaining imaging information determined during a process of capturing an image; generating metadata for determining a compression strength of the image based on the imaging information; determining the compression strength of the image based on the metadata; and encoding the image based on the determined compression strength.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Woong-il Choi, Jang-hee Ryu, Bong-soo Jung, Kwang-pyo Choi, Jung-won Lee
  • Publication number: 20200162750
    Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o PARK, Il-koo KIM, Chan-yul KIM, Kwang-pyo CHOI
  • Publication number: 20200162751
    Abstract: Provided are an image compressing method including determining a compressed image by performing downsampling using a deep neural network (DNN) on an image; determining a prediction signal by performing prediction based on the compressed image; determining a residual signal based on the compressed image and the prediction signal; and generating a bitstream comprising information about the residual signal, wherein the DNN has a network structure that is predetermined according to training of a downsampling process using information generated in an upsampling process, and an image compressing device for performing the image compressing method. Also, provided are an image reconstructing method of reconstructing a compressed image by using a DNN for upsampling, the compressed image having been compressed by the image compressing method, and an image reconstructing device for performing the image reconstructing method.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-hwan KIM, Young-o PARK, Jeong-hoon PARK, Jong-seok LEE, Sun-young JEON, Kwang-pyo CHOI
  • Publication number: 20200145661
    Abstract: Provided is a method of encoding an image, the method including: determining a subjective quality of the image when the image is compressed; determining at least one degree of compression that changes the subjective quality and is from among degrees of compression indicating how much the image is compressed; and encoding the image by compressing a residual signal of the image, based on compression information according to the determined degree of compression, wherein the subjective quality is determined for each frame by using a Deep Neural Network (DNN). Provided are an image decoding method and an image decoding apparatus for performing the image decoding method for decoding an image by using information encoded according to an image encoding method.
    Type: Application
    Filed: February 6, 2018
    Publication date: May 7, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun-young JEON, Jae-hwan KIM, Young-o PARK, Jeong-hoon PARK, Jong-seok LEE, Kwang-pyo CHOI
  • Publication number: 20200141948
    Abstract: The present invention relates to a composition and a kit for diagnosis of muscle weakness-related disease, which comprises agents for measuring the expression levels of gelsolin and tetranectin, and to a method of diagnosing muscle weakness-related disease by using the same. The composition, kit and method for diagnosis of muscle weakness-related disease according to the present invention make it possible to diagnose muscle weakness-related disease in an easy and rapid manner by molecular diagnosis, thereby systemically managing the muscle weakness-related disease while increasing therapeutic efficacy against the muscle weakness-related disease.
    Type: Application
    Filed: June 19, 2018
    Publication date: May 7, 2020
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Ki-Sun KWON, Ju Yeon KWAK, Seung-Min LEE, Jeong Yi CHOI, Kwang-Pyo LEE, Eun-Soo KWON
  • Patent number: 10635270
    Abstract: Provided is a method of configuring a home screen. The method includes configuring, at a first device, a home screen of a second device, and transmitting, from the first device, information about the home screen to the second device, wherein the home screen includes a graphical user interface (GUI) to be displayed by the second device.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-pyo Choi, Jeong-hoon Park
  • Publication number: 20200120340
    Abstract: Provided is in-loop filtering technology using a trained deep neural network (DNN) filter model. An image decoding method according to an embodiment includes receiving a bitstream of an encoded image, generating reconstructed data by reconstructing the encoded image, obtaining information about a content type of the encoded image from the bitstream, determining a deep neural network (DNN) filter model trained to perform in-loop filtering by using at least one computer, based on the information about the content type, and performing the in-loop filtering by applying the reconstructed data to the determined DNN filter model.
    Type: Application
    Filed: February 6, 2018
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o PARK, Jae-hwan KIM, Jong-seok LEE, Sun-young JEON, Jeong-hoon PARK, Kwang-pyo CHOI
  • Publication number: 20200118241
    Abstract: Provided is an image processing method including: generating an omnidirectional spherical image; determining information regarding a director's view that indicates some regions of the omnidirectional spherical image; generating a projection image by projecting the omnidirectional spherical image to a development view of a polyhedron; dividing, from the projection image, a director's view projection image corresponding to the director's view, based on the information regarding the director's view; reshaping the director's view projection image into a director's view rectangular image by moving a location of at least one of pixels of the director's view projection image; and generating a bitstream which the director's view rectangular image is encoded into.
    Type: Application
    Filed: April 13, 2017
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Vladyslav ZAKHARCHENKO, Kwang-pyo CHOI, Hyun-jung KIM, Chang-hyun LEE
  • Patent number: 10575002
    Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-o Park, Il-koo Kim, Chan-yul Kim, Kwang-pyo Choi
  • Publication number: 20200059677
    Abstract: Provided is a method, performed by a terminal, of providing content includes determining whether at least one content is included in preference content, based on information about the at least one content provided to the terminal and preference information of a user of the terminal about content; content, which is not included in the preference content, is present in the at least one content, transmitting, to a server, a request to change the first content to second content included in the preference content based on previously stored information about the preference content; and outputting the second content received from the server, in response to the request.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 20, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil-kyu PARK, Kwang-pyo CHOI, Woong-il CHOI, Myung-ho KIM, Sung-chan KIM, Jeong-hoon PARK, Hee-chul YANG, Chang-hyun LEE