公开(公告)号：US20150139312A1

公开(公告)日：2015-05-21

申请号：US14600859

申请日：2015-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Tammy LEE ,  Il-koo KIM

IPC: H04N19/86 ,  H04N19/80 ,  H04N19/61

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：US20150139301A1

公开(公告)日：2015-05-21

申请号：US14610134

申请日：2015-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/139 ,  H04N19/43 ,  H04N19/436 ,  H04N19/146 ,  H04N19/119 ,  H04N19/176

CPC classification number: H04N19/33 ,  H04N19/119 ,  H04N19/122 ,  H04N19/13 ,  H04N19/139 ,  H04N19/146 ,  H04N19/174 ,  H04N19/176 ,  H04N19/43 ,  H04N19/436 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

Abstract: A video decoding method including: extracting, from a bitstream of an encoded video, at least one of information indicating independent parsing of a data unit and information indicating independent decoding of a data unit; extracting encoded video data and information about a coded depth and an encoding mode according to maximum coding units by parsing the bitstream based on the information indicating independent parsing of the data unit; and decoding at least one coding unit according to a coded depth of each maximum coding unit of the encoded video data, based on the information indicating independent decoding in the data unit and the information about the coded depth and the encoding mode according to maximum coding units.

Abstract translation: 一种视频解码方法，包括：从编码视频的比特流中提取指示数据单元的独立解析的信息和指示数据单元的独立解码的信息中的至少一个; 基于表示数据单元的独立解析的信息，通过解析比特流，根据最大编码单位提取编码视频数据和关于编码深度和编码模式的信息; 并根据编码视频数据的最大编码单位的编码深度，根据表示数据单元中的独立解码的信息和关于编码深度的信息和编码模式，根据最大编码单位来解码至少一个编码单元 。

公开(公告)号：US20150139297A1

公开(公告)日：2015-05-21

申请号：US14602897

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM

IPC: H04N19/13 ,  H04N19/18 ,  H04N19/159

CPC classification number: H04N19/91 ,  H04N19/119 ,  H04N19/13 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60

Abstract: Provided are entropy decoding and encoding methods of a video. The entropy decoding method includes obtaining a transformation unit significant coefficient flag indicating whether a non-zero transformation coefficient exists in the transformation unit, from a bitstream, determining a context model for arithmetically decoding the transformation unit significant coefficient flag, based on the transformation depth of the transformation unit and arithmetically decoding the transformation unit significant coefficient flag based on the determined context model.

Abstract translation: 提供了视频的熵解码和编码方法。 熵解码方法包括：从比特流中获得指示变换单元中是否存在非零变换系数的变换单位有效系数标志，根据变换单位有效系数标志的变换深度确定用于算术解码变换单位有效系数标志的上下文模型 变换单元，并且基于所确定的上下文模型对变换单元有效系数标志进行算术解码。

公开(公告)号：US20150131723A1

公开(公告)日：2015-05-14

申请号：US14603178

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Hae-kyung JUNG ,  Il-koo KIM ,  Min-su CHEON

IPC: H04N19/44 ,  H04N19/50

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/122 ,  H04N19/139 ,  H04N19/146 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/44 ,  H04N19/46 ,  H04N19/50 ,  H04N19/587 ,  H04N19/61 ,  H04N19/96

Abstract: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit for decoding a picture of the encoded video, and encoding information about a coded depth and an encoding mode for coding units of the picture, wherein the size of the maximum coding unit is a maximum size of a coding unit which is a data unit for decoding the picture; and determining a hierarchical structure of the maximum coding unit and the coding units into which the picture is divided according to depths, and decoding the picture based on the coding units, by using the information about the size of the maximum coding unit and the encoding information about the coded depth and the encoded mode.

Abstract translation: 提供了基于层次数据单元的扫描顺序的视频解码方法和装置以及视频编码方法和装置。 解码方法包括：接收和解析编码视频的比特流; 从比特流中提取关于用于对编码视频的图像进行解码的最大编码单元的大小的信息，以及编码关于编码深度的信息和用于编码图像的编码单元的编码模式，其中最大编码单元的大小为 作为用于解码图像的数据单元的编码单元的最大尺寸; 以及根据深度来确定最大编码单位和图像被分割的编码单元的分层结构，并且通过使用关于最大编码单元和编码信息的大小的信息，基于编码单元对图像进行解码 关于编码深度和编码模式。

公开(公告)号：US20150117530A1

公开(公告)日：2015-04-30

申请号：US14589511

申请日：2015-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/11 ,  H04N19/115 ,  H04N19/117 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82 ,  H04N19/96

Abstract: Disclosed are a method and apparatus for encoding a video, and a method and apparatus for decoding a video, in which neighboring pixels used to perform intra prediction on a current block to be encoded are filtered and intra prediction is performed by using the filtered neighboring pixels.

Abstract translation: 公开了一种用于对视频进行编码的方法和装置，以及用于对视频进行解码的方法和装置，其中用于对要编码的当前块进行帧内预测的相邻像素被滤波，并且通过使用滤波的相邻像素执行帧内预测 。

公开(公告)号：US20140294082A1

公开(公告)日：2014-10-02

申请号：US14299942

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy LEE ,  Woo-jin HAN ,  Il-koo KIM ,  Sun-il LEE

IPC: H04N19/56

CPC classification number: H04N19/137 ,  H04N19/103 ,  H04N19/105 ,  H04N19/139 ,  H04N19/14 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/33 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method including prediction encoding performed for the current data unit; determining an occurrence of merging with at least one neighboring data unit based on at least one of the encoding mode and a prediction mode; and determining prediction mode information, merging related information, and prediction related information, and determining encoding information of the data unit including the prediction mode information, the merging related information, and the prediction related information.

公开(公告)号：US20140294077A1

公开(公告)日：2014-10-02

申请号：US14307096

申请日：2014-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Tammy LEE ,  Il-koo KIM

IPC: H04N19/82 ,  H04N19/50

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.

Abstract translation: 提供了一种通过使用解块滤波对视频进行编码的方法和装置，以及通过使用去块滤波来解码视频的方法和装置。 视频编码方法包括：将图像分割为最大编码单位; 基于至少一个预测单元，对最大编码单位的编码单位进行预测编码，确定最大编码单位的编码单位的编码深度编码模式和编码模式，基于至少一个变换单位变换编码单位，其中， 最大编码单位在深度加深的情况下被分层分割为编码单元，编码深度是最大编码单元在编码单元中被编码的深度; 并且考虑到编码模式，对编码单元中的空间域进行逆变换的视频数据进行去块滤波。

公开(公告)号：US20140286590A1

公开(公告)日：2014-09-25

申请号：US14299316

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: H04N19/61 ,  H04N19/124 ,  H04N19/593 ,  H04N19/91 ,  H04N19/503

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 obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, an inverse transformer that performs inverse-quantization and inverse-transformation on the quantized transformation coefficients of the at least one transformation unit to obtain residuals, and a restorer that performs inter prediction for at least one prediction unit in the coding unit to generate a predictor and restores the image by using the residuals and the predictor.

Abstract translation: 一种用于对图像进行解码的装置包括：熵解码器，进行熵解码以获得图像的编码单元中的至少一个变换单元的量化变换系数，对量化变换执行逆量化和逆变换的逆变换器 所述至少一个变换单元的系数以获得残差;以及恢复器，对所述编码单元中的至少一个预测单元执行帧间预测，以生成预测器，并通过使用所述残差和所述预测器恢复所述图像。

公开(公告)号：US20140286431A1

公开(公告)日：2014-09-25

申请号：US14299896

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy LEE ,  Woo-jin HAN ,  Il-koo KIM ,  Sun-il LEE

IPC: H04N19/51

CPC classification number: H04N19/137 ,  H04N19/103 ,  H04N19/105 ,  H04N19/139 ,  H04N19/14 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/33 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method including prediction encoding performed for the current data unit; determining an occurrence of merging with at least one neighboring data unit based on at least one of the encoding mode and a prediction mode; and determining prediction mode information, merging related information, and prediction related information, and determining encoding information of the data unit including the prediction mode information, the merging related information, and the prediction related information.

公开(公告)号：US20140161193A1

公开(公告)日：2014-06-12

申请号：US14177280

申请日：2014-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su CHEON ,  Hae-kyung JUNG ,  Jung-hye MIN ,  Il-koo KIM

IPC: H04N19/60

Abstract: A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video; extracting, from the bitstream, encoded image data of a current picture assigned to a maximum coding unit of the current picture, information regarding a coded depth of the maximum coding unit, information regarding an encoding mode, and coding unit pattern information indicating whether texture information of the maximum coding units has been encoded; and decoding the encoded image data for the maximum coding unit, based on the information regarding the coded depth of the maximum coding unit, the information regarding the encoding mode, and the coding unit pattern information.