公开(公告)号：US20190082177A1

公开(公告)日：2019-03-14

申请号：US16130253

申请日：2018-09-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ki-heum CHO ,  Yong-sup PARK ,  Jae-yeon PARK ,  Chang-han KIM ,  Il-jun AHN ,  Hee-seok OH ,  Tammy LEE ,  Min-su CHEON

IPC: H04N19/117 ,  H04N19/134 ,  H04N19/176 ,  H04N19/80 ,  H04N19/86 ,  G06T3/40

Abstract: An image processing apparatus is provided. The image processing apparatus includes a processor configured to, in response to an image including a plurality of frames being input, change a predetermined parameter to a parameter corresponding to a compression rate of each of the plurality of frames for each frame, and process the input image by using the parameter changed for each frame, and an output interface configured to output the processed image.

公开(公告)号：US20170347119A1

公开(公告)日：2017-11-30

申请号：US15681938

申请日：2017-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/593 ,  H04N19/61 ,  H04N19/587 ,  H04N19/50 ,  H04N19/46 ,  H04N19/44 ,  H04N19/105 ,  H04N19/184 ,  H04N19/176 ,  H04N19/172 ,  H04N19/146 ,  H04N19/139 ,  H04N19/122 ,  H04N19/196 ,  H04N19/96

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.

公开(公告)号：US20150189281A1

公开(公告)日：2015-07-02

申请号：US14643424

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Hae-kyung JUNG ,  Min-su CHEON

IPC: H04N19/122 ,  H04N19/91 ,  H04N19/149 ,  H04N19/70 ,  H04N19/18

CPC classification number: H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/149 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/192 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

Abstract: Provided are a method and a device for encoding a video by using a data unit of a hierarchical structure, and a method and a device for decoding the same. A video encoding device includes: a hierarchical encoder configured to encode a picture of a video based on a data unit of a hierarchical structure; and an entropy coder configured to determine a context model used for entropy coding of a symbol based on hierarchical information of a data unit to which the symbol of the encoded picture belongs, and to entropy encode the symbol using the determined context model.

公开(公告)号：US20150189279A1

公开(公告)日：2015-07-02

申请号：US14643511

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Hae-kyung JUNG ,  Min-su CHEON

IPC: H04N19/12 ,  H04N19/91 ,  H04N19/192 ,  H04N19/157 ,  H04N19/18

CPC classification number: H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/149 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/192 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

Abstract: Provided are a method and a device for encoding a video by using a data unit of a hierarchical structure, and a method and a device for decoding the same. A video encoding device includes: a hierarchical encoder configured to encode a picture of a video based on a data unit of a hierarchical structure; and an entropy coder configured to determine a context model used for entropy coding of a symbol based on hierarchical information of a data unit to which the symbol of the encoded picture belongs, and to entropy encode the symbol using the determined context model.

Abstract translation: 提供了通过使用分层结构的数据单元对视频进行编码的方法和装置，以及用于对其进行解码的方法和装置。 视频编码装置包括：分层编码器，其被配置为基于分层结构的数据单元对视频的图像进行编码; 以及熵编码器，被配置为基于编码图像的符号所属的数据单元的分层信息确定用于码元的熵编码的上下文模型，并且使用所确定的上下文模型对所述符号进行熵编码。

公开(公告)号：US20150189278A1

公开(公告)日：2015-07-02

申请号：US14643483

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Hae-kyung JUNG ,  Min-su CHEON

IPC: H04N19/12 ,  H04N19/91 ,  H04N19/196 ,  H04N19/157 ,  H04N19/18

CPC classification number: H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/149 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/192 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

Abstract: Provided are a method and a device for encoding a video by using a data unit of a hierarchical structure, and a method and a device for decoding the same. A video encoding device includes: a hierarchical encoder configured to encode a picture of a video based on a data unit of a hierarchical structure; and an entropy coder configured to determine a context model used for entropy coding of a symbol based on hierarchical information of a data unit to which the symbol of the encoded picture belongs, and to entropy encode the symbol using the determined context model.

公开(公告)号：US20150156505A1

公开(公告)日：2015-06-04

申请号：US14619323

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su CHEON ,  Jung-hye MIN ,  Woo-jin HAN

IPC: H04N19/44 ,  H04N19/46 ,  H04N19/61 ,  H04N19/109 ,  H04N19/176

CPC classification number: H04N19/44 ,  H04N19/109 ,  H04N19/119 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/63 ,  H04N19/635 ,  H04N19/70 ,  H04N19/96

Abstract: A decoding apparatus for decoding an image by obtaining transformation coefficients of a sub residual block based on location information of a non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from the bitstream.

Abstract translation: 一种解码装置，用于通过基于非零变换系数的位置信息和从比特流获得的非零变换系数的电平信息获得子残差块的变换系数来对图像进行解码。

公开(公告)号：US20150156503A1

公开(公告)日：2015-06-04

申请号：US14619187

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su CHEON ,  Jung-hye MIN ,  Woo-jin HAN

IPC: H04N19/44 ,  H04N19/63 ,  H04N19/61

CPC classification number: H04N19/44 ,  H04N19/109 ,  H04N19/119 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/63 ,  H04N19/635 ,  H04N19/70 ,  H04N19/96

Abstract: A decoding apparatus for decoding an image by obtaining transformation coefficients of a sub residual block based on location information of at least one non-zero transformation coefficient and level information of the at least one non-zero transformation coefficient obtained from a bitstream.

Abstract translation: 一种解码装置，用于通过基于从比特流获得的至少一个非零变换系数和至少一个非零变换系数的位置信息的位置信息获得子残差块的变换系数来解码图像。

公开(公告)号：US20150146792A1

公开(公告)日：2015-05-28

申请号：US14611679

申请日：2015-02-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Woo-jin HAN ,  Tammy LEE ,  Il-koo KIM ,  Min-su CHEON

IPC: H04N19/60 ,  H04N19/44

CPC classification number: H04N19/60 ,  H04N19/122 ,  H04N19/172 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/635 ,  H04N19/96

Abstract: Encoding and decoding a video using transformation index that indicates information that indicates a structure of a transformation unit transforming data of a current coding unit.

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：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。