公开(公告)号：US09118915B2

公开(公告)日：2015-08-25

申请号：US14600924

申请日：2015-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Tammy Lee ,  Il-koo Kim

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/139 ,  H04N19/117 ,  H04N19/86 ,  H04N19/159 ,  H04N19/182

CPC classification number: H04N19/86 ,  H04N19/105 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/182 ,  H04N19/395 ,  H04N19/50 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: A method and apparatus for encoding video by using deblocking filtering, and a method and apparatus for decoding video by using deblocking filtering are provided. The method of encoding video includes: splitting a picture into a maximum coding unit; determining coding units of coded depths and encoding modes for the coding units of the maximum coding unit by prediction encoding the coding units of the maximum coding unit based on at least one prediction unit and transforming the coding units based on at least one transformation unit, wherein the maximum coding unit is hierarchically split into the coding units as a depth deepens, and the coded depths are depths where the maximum coding unit is encoded in the coding units; and performing deblocking filtering on video data being inversely transformed into a spatial domain in the coding units, in consideration of the encoding modes.

公开(公告)号：US08923641B2

公开(公告)日：2014-12-30

申请号：US14299446

申请日：2014-06-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min-su Cheon ,  Woo-jin Han ,  Hae-kyung Jung ,  Il-koo Kim ,  Tammy Lee ,  Jianle Chen

IPC: G06K9/36 ,  H04N19/126 ,  H04N19/61 ,  H04N19/91

CPC classification number: H04N19/122 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/124 ,  H04N19/13 ,  H04N19/147 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/30 ,  H04N19/50 ,  H04N19/503 ,  H04N19/60 ,  H04N19/61 ,  H04N19/91 ,  H04N19/96

Abstract: An apparatus for decoding an image includes an entropy decoder that performs entropy decoding to generate quantized transformation coefficients of a transformation unit in a coding unit and an inverse transformer that inverse quantizes the quantized transformation coefficients to generate transformation coefficients of the transformation unit and inverse transforms the transformation coefficients to generate residual components of the transformation unit.

Abstract translation: 用于对图像进行解码的装置包括熵解码器，其进行熵解码以产生编码单元中的变换单元的量化变换系数，以及逆量化变换系数的逆变换器，以生成变换单元的变换系数并逆变换 变换系数以生成变换单元的残差分量。

公开(公告)号：US08897363B2

公开(公告)日：2014-11-25

申请号：US14171454

申请日：2014-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hae-kyung Jung ,  Min-su Cheon ,  Jung-hye Min ,  Il-koo Kim

IPC: H04N7/12 ,  H04N19/147 ,  H04N19/107 ,  H04N19/132 ,  H04N19/593 ,  H04N19/129 ,  H04N19/196 ,  H04N19/187 ,  H04N19/176 ,  H04N19/51 ,  H04N19/167 ,  H04N19/119 ,  H04N19/50 ,  H04N19/88 ,  H04N19/157 ,  H04N19/122 ,  H04N19/61

CPC classification number: H04N19/129 ,  H04N19/107 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/146 ,  H04N19/147 ,  H04N19/157 ,  H04N19/167 ,  H04N19/176 ,  H04N19/187 ,  H04N19/198 ,  H04N19/23 ,  H04N19/30 ,  H04N19/50 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/88 ,  H04N19/96

Abstract: A method and apparatus for decoding a video and a method and apparatus for encoding a video are provided. The method for decoding the video includes: receiving and parsing a bitstream of an encoded video; extracting, from the bitstream, encoded image data of a current picture of the encoded video assigned to a maximum coding unit, and information about a coded depth and an encoding mode according to the maximum coding unit; and decoding the encoded image data for the maximum coding unit based on the information about the coded depth and the encoding mode for the maximum coding unit, in consideration of a raster scanning order for the maximum coding unit and a zigzag scanning order for coding units of the maximum coding unit according to depths.

公开(公告)号：US08885958B2

公开(公告)日：2014-11-11

申请号：US14283752

申请日：2014-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hae-kyung Jung ,  Min-su Cheon ,  Jung-hye Min ,  Il-koo Kim

IPC: G06K9/36 ,  G06T9/00

CPC classification number: H04N19/105 ,  G06T9/00 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/132 ,  H04N19/17 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/96

Abstract: An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from image data and a decoding unit which determines a split structure of a maximum coding unit, according to the split information so that the maximum coding unit is hierarchically split as a depth increases and determines whether the prediction mode of the current coding unit is the skip mode according to the skip information.

Abstract translation: 一种用于对图像进行解码的装置包括：编码信息提取器，其提取指示是否将上层深度的编码单位分割为较深深度的编码单位的分割信息，以及指示当前编码单元的预测模式是否为跳过模式的跳过信息， 根据分割信息，根据分割信息确定最大编码单位的分割结构的图像数据和解码单元，使得最大编码单元随深度增加而分层分割，并确定当前编码单元的预测模式是否为跳过 模式根据跳过信息。

公开(公告)号：US20140307783A1

公开(公告)日：2014-10-16

申请号：US14357043

申请日：2012-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Il-koo Kim ,  Young-o Park

IPC: H04N19/51 ,  H04N19/124 ,  H04N19/61

CPC classification number: H04N19/56 ,  H04N19/124 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61

Abstract: Provided are motion vector determining method and apparatus for determining a motion vector via motion vector prediction.The motion vector determining method involves determining a candidate motion vector list comprising motion vectors of a plurality of candidate blocks referred so as to predict a motion vector of a current block, when a reference image of a first candidate block from among the plurality of candidate blocks is different from a reference image of the current block, determining whether or not to use a motion vector of the first candidate block from the candidate motion vector list, based on whether each of the reference image of the current block and the reference image of the first candidate block is a short-term reference image or a long-term reference image, and determining the motion vector of the current block by using a candidate motion vector selected from among the motion vectors comprised in the candidate motion vector list.

Abstract translation: 提供了用于通过运动矢量预测来确定运动矢量的运动矢量确定方法和装置。 运动矢量确定方法包括确定包括多个候选块的运动矢量的候选运动矢量列表，所述多个候选块被参考用于预测当前块的运动矢量，当来自多个候选块中的第一候选块的参考图像 与当前块的参考图像不同，基于当前块的参考图像和当前块的参考图像中的每一个，确定是否使用来自候选运动矢量列表的第一候选块的运动矢量 第一候选块是短期参考图像或长期参考图像，并且通过使用从候选运动矢量列表中包括的运动矢量中选择的候选运动矢量来确定当前块的运动矢量。

公开(公告)号：US12137226B2

公开(公告)日：2024-11-05

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 ,  H04N19/174 ,  H04N19/463 ,  H04N19/58 ,  H04N19/70 ,  H04N19/86

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：US11006120B2

公开(公告)日：2021-05-11

申请号：US16799362

申请日：2020-02-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim ,  Young-o Park

IPC: H04N19/58 ,  H04N19/136 ,  H04N19/70 ,  H04N19/463 ,  H04N19/124 ,  H04N19/172 ,  H04N19/174 ,  H04N19/86

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 picture order count (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：US10764593B2

公开(公告)日：2020-09-01

申请号：US14412828

申请日：2013-07-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Young-o Park ,  Il-koo Kim ,  Jae-hyun Kim ,  Jeong-hoon Park

IPC: H04N19/44 ,  H04N19/30 ,  H04N19/31 ,  H04N19/70 ,  H04N19/46 ,  H04N19/513 ,  H04N19/52

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.

公开(公告)号：US10575002B2

公开(公告)日：2020-02-25

申请号：US15917051

申请日：2018-03-09

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：US10205942B2

公开(公告)日：2019-02-12

申请号：US15705325

申请日：2017-09-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang-Hyun Lee ,  Tammy Lee ,  Jianle Chen ,  Dae-sung Cho ,  Woo-jin Han ,  Il-koo Kim

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/103 ,  H04N19/61 ,  H04N19/119 ,  H04N19/57 ,  H04N19/176 ,  H04N19/46

Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method includes: prediction encoding in units of a coding unit as a data unit for encoding a picture, by using partitions determined based on a first partition mode and a partition level, so as to select a partition for outputting an encoding result from among the determined partitions; and encoding and outputting partition information representing a first partition mode and a partition level of the selected partition. The first partition mode represents a shape and directionality of a partition as a data unit for performing the prediction encoding on the coding unit, and the partition level represents a degree to which the coding unit is split into partitions for detailed motion prediction.