公开(公告)号：US09313489B2

公开(公告)日：2016-04-12

申请号：US13764119

申请日：2013-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jianle Chen ,  Min-su Cheon ,  Jae-chool Lee ,  Jung-hye Min ,  Hae-kyung Jung ,  Il-koo Kim ,  Sang-rae Lee ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N19/50 ,  H04N19/105 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/46 ,  H04N19/30 ,  H04N19/122 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/19 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

CPC classification number: H04N19/50 ,  H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/147 ,  H04N19/176 ,  H04N19/19 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/96 ,  Y02T10/84

Abstract: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit.

公开(公告)号：US09307238B2

公开(公告)日：2016-04-05

申请号：US14300047

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jianle Chen ,  Min-su Cheon ,  Jae-chool Lee ,  Jung-hye Min ,  Hae-kyung Jung ,  Il-koo Kim ,  Sang-rae Lee ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N19/50 ,  H04N19/105 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/46 ,  H04N19/30 ,  H04N19/122 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/19 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

CPC classification number: H04N19/50 ,  H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/147 ,  H04N19/176 ,  H04N19/19 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/96 ,  Y02T10/84

Abstract: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit.

公开(公告)号：US09294781B2

公开(公告)日：2016-03-22

申请号：US14696959

申请日：2015-04-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Woo-jin Han ,  Tammy Lee ,  Il-koo Kim ,  Min-su Cheon

IPC: H04N19/00 ,  H04N19/60 ,  H04N19/46 ,  H04N19/122 ,  H04N19/96 ,  H04N19/44 ,  H04N19/635 ,  H04N19/172 ,  H04N19/176

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：US09277239B2

公开(公告)日：2016-03-01

申请号：US14643658

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US09258571B2

公开(公告)日：2016-02-09

申请号：US14603218

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Vadim Seregin ,  Il-koo Kim

IPC: H04N19/13 ,  H04N19/60 ,  H04N19/593 ,  H04N19/91 ,  H04N19/169 ,  H04N19/157 ,  H04N19/176 ,  H04N19/44

CPC classification number: H04N19/13 ,  H04N19/157 ,  H04N19/176 ,  H04N19/1883 ,  H04N19/44 ,  H04N19/593 ,  H04N19/60 ,  H04N19/91

Abstract: A method of decoding a video through symbol decoding includes parsing symbols of image blocks from a received bitstream; classifying a current symbol into a prefix bit string and a suffix bit string based on a threshold value determined according to a size of a current block; performing arithmetic decoding of the prefix bit string and the suffix bit string by using respective arithmetic decoding methods determined for each of the prefix bit string and the suffix bit string; performing inverse binarization of the prefix bit string and the suffix bit string by using respective binarization methods determined for each of the prefix bit string and the suffix bit string; and restoring the image blocks by performing an inverse transformation operation and a prediction operation on the current block by using the current symbol restored through the arithmetic decoding and the inverse binarization.

Abstract translation: 通过符号解码对视频进行解码的方法包括从接收到的比特流解析图像块的符号; 基于根据当前块的大小确定的阈值，将当前符号分类为前缀位串和后缀位串; 通过使用为每个前缀位串和后缀位串确定的相应的算术解码方法来执行前缀位串和后缀位串的算术解码; 通过使用为每个前缀位串和后缀位串确定的相应的二进制化方法来执行前缀位串和后缀位串的逆二值化; 以及通过使用通过算术解码和逆二值化恢复的当前符号对当前块执行逆变换操作和预测操作来恢复图像块。

公开(公告)号：US20150023432A1

公开(公告)日：2015-01-22

申请号：US14384992

申请日：2013-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Il-koo Kim ,  Chan-yul Kim ,  Young-o Park ,  Jeong-hoon Park ,  Tammy Lee

IPC: H04N19/30 ,  H04N19/46

CPC classification number: H04N19/30 ,  H04N19/46 ,  H04N19/70

Abstract: Disclosed are a scalable video encoding method and apparatus and a scalable video decoding method and apparatus. The scalable video encoding method adds, into a bitstream, table index information representing one of a plurality of scalable extension type information tables in which available combinations of a plurality of scalable extension types are specified and layer index information representing the scalable extension type of the encoded video among combinations of a plurality of scalable extension types included in a scalable extension type information table.

Abstract translation: 公开了一种可分级视频编码方法和装置以及可伸缩视频解码方法和装置。 可分级视频编码方法将表示多个可伸缩扩展类型信息表中的一个的表索引信息添加到比特流中，其中指定了多个可伸缩扩展类型的可用组合，以及表示编码的可扩展扩展类型的可扩展扩展类型的层索引信息 包括在可伸缩扩展类型信息表中的多个可伸缩扩展类型的组合之间的视频。

公开(公告)号：US08891631B1

公开(公告)日：2014-11-18

申请号：US14335630

申请日：2014-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-jin Han ,  Jung-hye Min ,  Il-koo Kim

IPC: H04N7/12 ,  H04N19/37 ,  H04N19/124 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/157 ,  H04N19/176 ,  H04N19/44

CPC classification number: H04N19/124 ,  H04N19/103 ,  H04N19/105 ,  H04N19/115 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/126 ,  H04N19/13 ,  H04N19/136 ,  H04N19/146 ,  H04N19/157 ,  H04N19/167 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/177 ,  H04N19/18 ,  H04N19/198 ,  H04N19/30 ,  H04N19/37 ,  H04N19/44 ,  H04N19/50 ,  H04N19/61 ,  H04N19/96

Abstract: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region of the at least one maximum coding unit according to operating mode of coding tool, respectively, based on a relationship among a depth of at least one coding unit of the at least one maximum coding unit, a coding tool, and an operating mode, wherein the at least one split region is generated by hierarchically splitting the at least one maximum coding unit according to depths; and outputting a bitstream including encoded video data of the coded depth, information regarding a coded depth of at least one maximum coding unit, information regarding an encoding mode, and information regarding the relationship.

公开(公告)号：US20140334539A1

公开(公告)日：2014-11-13

申请号：US14357048

申请日：2012-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Il-koo Kim ,  Jeong-hoon Park

IPC: H04N19/13 ,  H04N19/18 ,  H04N19/196 ,  H04N19/136

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.

Abstract translation: 视频数据的算术编码/解码方法和装置。 算术解码方法包括通过使用上下文模型对块中最后有效系数的二维位置进行算术解码的前缀比特串，以旁路模式算术解码后缀比特串，并对算术解码前缀进行逆二值化 位串和后缀位串来获取块中最后一个有效系数的位置。

公开(公告)号：US08824551B2

公开(公告)日：2014-09-02

申请号：US14158414

申请日：2014-01-17

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12 ,  H04N7/50 ,  H04N7/26 ,  H04N7/36 ,  H04N7/32 ,  H04N7/34

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：US08644385B2

公开(公告)日：2014-02-04

申请号：US13975802

申请日：2013-08-26

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12

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.