公开(公告)号：US20240080449A1

公开(公告)日：2024-03-07

申请号：US18506669

申请日：2023-11-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Young-o Park

IPC: H04N19/136 ,  H04N19/124 ,  H04N19/172 ,  H04N19/463 ,  H04N19/58 ,  H04N19/70

CPC classification number: H04N19/136 ,  H04N19/124 ,  H04N19/172 ,  H04N19/463 ,  H04N19/58 ,  H04N19/70 ,  H04N19/174

Abstract: A method of determining a reference picture set (RPS), which is a set of reference pictures used in predictive decoding of a current picture that is to be decoded includes: obtaining a flag indicating whether the RPS is determined based on POC values of the current picture and a previous picture or whether the RPS is determined based on an index of a reference RPS, which is an identification value of the reference RPS that is one of pre-defined RPSs and is referred to in determining the RPS, and a delta RPS that is a difference value between a POC vale of a reference picture included in the reference RPS and a POC value of a reference picture included in the RPS; and determining the RPS according to a value of the flag.

公开(公告)号：US20210021845A1

公开(公告)日：2021-01-21

申请号：US17061149

申请日：2020-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  Il-koo KIM ,  Chan-yul KIM ,  Kwang-pyo CHOI

IPC: H04N19/19 ,  H04N19/196 ,  H04N19/463 ,  H04N19/58

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.

公开(公告)号：US20190158866A1

公开(公告)日：2019-05-23

申请号：US16241131

申请日：2019-01-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM

IPC: H04N19/513 ,  H04N19/56 ,  H04N19/58

Abstract: Provided are a motion vector predicting method and an apparatus for encoding and decoding a video. The motion vector prediction method includes: determining, from neighboring blocks of the current block, a plurality of candidate blocks that are referred to so as to predict a motion vector of a current block; determining a candidate motion vector of a first candidate block among the determined plurality of candidate blocks, based on whether a reference image of the first candidate block and a reference image of the current block are long-term reference images; and determining the motion vector of the current block by using a candidate motion vector list including the determined candidate motion vector of the first candidate block and candidate motion vectors from remaining candidate blocks among the determined plurality of candidate blocks.

公开(公告)号：US20190050666A1

公开(公告)日：2019-02-14

申请号：US16078558

申请日：2017-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-ha KIM ,  Tae-kwon CHANG ,  Sung-jin KIM ,  Il-koo KIM ,  Sung-kweon PARK ,  Young-o PARK ,  Won-young JANG

IPC: G06K9/46 ,  G06F3/16

Abstract: A device is provided, wherein the device captures a screen the device when a control signal for controlling one or more pieces of content provided to the device is received, and, when a captured screen corresponds to a template screen, extracts a character string including content information from a preset area of the captured screen, compares the extracted character string with one or more pieces of text included in a preset meaning recognition model, detects text corresponding to the content information, and recognizes content displayed on the screen of the device based on the detected text.

公开(公告)号：US20180310015A1

公开(公告)日：2018-10-25

申请号：US16016031

申请日：2018-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin HAN ,  Elena ALSHINA ,  Jung-hye MIN ,  Alexander ALSHIN ,  Il-koo KIM ,  Nikolay SHLYAKHOV ,  Tammy LEE ,  Sun-il LEE ,  Min-su CHEON ,  Jianle CHEN ,  Vadim SEREGIN ,  Yoon-mi HONG

IPC: H04N19/50 ,  H04N19/96 ,  H04N19/86

CPC classification number: H04N19/59 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.

公开(公告)号：US20180124433A1

公开(公告)日：2018-05-03

申请号：US15854062

申请日：2017-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Jeong-Hoon PARK

IPC: H04N19/91 ,  H04N19/169 ,  H04N19/13 ,  H04N19/82 ,  H04N19/61 ,  H04N19/44 ,  H04N19/18 ,  H04N19/136 ,  H04N19/129 ,  H04N19/96

CPC classification number: H04N19/91 ,  H04N19/129 ,  H04N19/13 ,  H04N19/136 ,  H04N19/18 ,  H04N19/1887 ,  H04N19/44 ,  H04N19/61 ,  H04N19/82 ,  H04N19/96

Abstract: Methods and apparatuses for arithmetic encoding/decoding of video data. The arithmetic decoding method includes arithmetically decoding prefix bit strings representing a two-dimensional location of a last significant coefficient in a block sequentially by using a context model, arithmetically decoding suffix bit strings in a bypass mode, and performing inverse binarization on the arithmetically decoded prefix bit strings and suffix bit strings to acquire the location of the last significant coefficient in the block.

公开(公告)号：US20170337691A1

公开(公告)日：2017-11-23

申请号：US15526607

申请日：2015-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae-gyu LIM ,  Il-koo KIM ,  Seung-hoon HAN

IPC: G06T7/11 ,  G06K9/62 ,  G06T7/168 ,  H04N7/015 ,  H04N7/01

CPC classification number: G06T7/11 ,  G06K9/6212 ,  G06K9/6218 ,  G06T7/168 ,  G06T7/42 ,  G06T2207/20021 ,  G06T2207/20052 ,  H04N7/01 ,  H04N7/0127 ,  H04N7/015

Abstract: Provided are a method and device for generating metadata including frequency characteristic information of an image. Pixel values of a current block among blocks divided from the image are converted into frequency coefficients in the frequency domain. A band value of a frequency band corresponding to each of regions of the current block is determined using the frequency coefficients included in the regions of the current block, the regions of the current block being divided to correspond to different frequency bands. Metadata including the frequency characteristic information of the current block is generated based on the determined band values.

公开(公告)号：US20170238065A1

公开(公告)日：2017-08-17

申请号：US15426642

申请日：2017-02-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae-kwon JANG ,  Sung-jin KIM ,  Il-koo KIM ,  Sung-kweon PARK ,  Young-o PARK ,  Won-young JANG ,  Chang-yeong KIM ,  Joon-hyun LEE

IPC: H04N21/658 ,  H04N21/2668 ,  H04N21/8405 ,  H04N21/25

CPC classification number: H04N21/6582 ,  H04N21/251 ,  H04N21/25866 ,  H04N21/2668 ,  H04N21/4383 ,  H04N21/44008 ,  H04N21/44222 ,  H04N21/4722 ,  H04N21/8405

Abstract: A method of controlling a device that provides content is provided. The method includes receiving a control signal for controlling at least one item of content provided by the device; in response to receiving the control signal, capturing, at preset intervals, a screen of the device on which content is displayed; in response to the captured screen corresponding to a template screen, extracting content information from a preset area of the captured screen; and identifying the content displayed on the screen of the device, based on the extracted content information.

公开(公告)号：US20170118469A1

公开(公告)日：2017-04-27

申请号：US15400424

申请日：2017-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Woo-jin HAN ,  Il-koo KIM

IPC: H04N19/119 ,  H04N19/50 ,  H04N19/44 ,  H04N19/159

CPC classification number: H04N19/50 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/59 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The encoding method includes: splitting a picture of the video into one or more maximum coding units; encoding the picture based on coding units according to depths which are obtained based on a partition type determined according to the depths of the coding units according to depths, determining coding units according to coded depths with respect to each of the coding units according to depths, and thus determining coding units having a tree structure; and outputting data that is encoded based on the partition type and the coding units having the tree structure, information about the coded depths and an encoding mode, and coding unit structure information indicating a size and a variable depth of a coding unit.

公开(公告)号：US20160182914A1

公开(公告)日：2016-06-23

申请号：US15057361

申请日：2016-03-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM

IPC: H04N19/52 ,  H04N19/105 ,  H04N19/176 ,  H04N19/583 ,  H04N19/513 ,  H04N19/573 ,  H04N19/577 ,  H04N19/96 ,  H04N19/103 ,  H04N19/46

CPC classification number: H04N19/52 ,  H04N19/103 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46 ,  H04N19/51 ,  H04N19/513 ,  H04N19/573 ,  H04N19/577 ,  H04N19/583 ,  H04N19/96

Abstract: Provided is an inter prediction method including determining a collocated block of a current block of a current image from among blocks of an image that is restored prior to the current image; preferentially checking whether a first reference list from among reference lists of the collocated block is referred to and selectively checking whether a second reference list is referred to according to whether the first reference list is referred to; based on a result of the checking, determining a single collocated reference list from among the first reference list and the second reference list; determining a reference block of the current block by using motion information of the collocated reference list; and performing inter prediction on the current block by using the determined reference block.