公开(公告)号：US20190132587A1

公开(公告)日：2019-05-02

申请号：US16232156

申请日：2018-12-26

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Chang-Hyun LEE ,  Tammy LEE ,  Jianle CHEN ,  Dae-sung CHO ,  Woo-jin HAN ,  Il-koo KIM

IPC分类号： H04N19/103 ,  H04N19/57 ,  H04N19/119 ,  H04N19/61 ,  H04N19/176 ,  H04N19/46

CPC分类号： H04N19/103 ,  H04N19/119 ,  H04N19/176 ,  H04N19/46 ,  H04N19/57 ,  H04N19/61

摘要： 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.

公开(公告)号：US20170150146A1

公开(公告)日：2017-05-25

申请号：US15416776

申请日：2017-01-26

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Min-su CHEON ,  Woo-jin HAN ,  Hae-kyung JUNG ,  Il-koo KIM ,  Tammy LEE ,  Jianle CHEN

IPC分类号： H04N19/122 ,  H04N19/119 ,  H04N19/124 ,  H04N19/159 ,  H04N19/13

CPC分类号： 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

摘要： A method of decoding an image in which wherein, when a prediction mode is an inter prediction mode, not an intra prediction mode, a size of at least one prediction unit in the coding unit is determined independently from a size of at least one transformation unit in the coding unit.

公开(公告)号：US20160330449A1

公开(公告)日：2016-11-10

申请号：US15212750

申请日：2016-07-18

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Vadim SEREGIN ,  Jianle CHEN

IPC分类号： H04N19/129 ,  H04N19/96 ,  H04N19/186 ,  H04N19/60

CPC分类号： H04N19/129 ,  H04N19/136 ,  H04N19/18 ,  H04N19/186 ,  H04N19/60 ,  H04N19/625 ,  H04N19/96

摘要： Provided are encoding and decoding methods and apparatuses for a video by selectively determining and using a scan mode. The video encoding method includes: generating transformation coefficients by performing transformation based on a transformation unit to encode an image; determining a scan mode, from among a plurality of scan modes, indicating a scanning direction of the generated transformation coefficients, based on characteristics of the transformation coefficients; and determining and outputting an encoding order of the generated transformation coefficients based on the scanning direction of the determined scan mode.

公开(公告)号：US20160330448A1

公开(公告)日：2016-11-10

申请号：US15212649

申请日：2016-07-18

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Vadim SEREGIN ,  Jianle CHEN

IPC分类号： H04N19/129 ,  H04N19/625 ,  H04N19/186 ,  H04N19/96 ,  H04N19/18 ,  H04N19/136

CPC分类号： H04N19/129 ,  H04N19/136 ,  H04N19/18 ,  H04N19/186 ,  H04N19/60 ,  H04N19/625 ,  H04N19/96

摘要： Provided are encoding and decoding methods and apparatuses for a video by selectively determining and using a scan mode. The video encoding method includes: generating transformation coefficients by performing transformation based on a transformation unit to encode an image; determining a scan mode, from among a plurality of scan modes, indicating a scanning direction of the generated transformation coefficients, based on characteristics of the transformation coefficients; and determining and outputting an encoding order of the generated transformation coefficients based on the scanning direction of the determined scan mode.

公开(公告)号：US20150358638A1

公开(公告)日：2015-12-10

申请号：US14831043

申请日：2015-08-20

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Chang-Hyun LEE ,  Tammy LEE ,  Jianle CHEN ,  Dae-Sung CHO ,  Woo-Jin HAN ,  Il-Koo KIM

IPC分类号： H04N19/513 ,  H04N19/176 ,  H04N19/66 ,  H04N19/172 ,  H04N19/44

CPC分类号： H04N19/103 ,  H04N19/119 ,  H04N19/176 ,  H04N19/46 ,  H04N19/57 ,  H04N19/61

摘要： 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.

摘要翻译： 提供了视频编码方法和装置以及视频解码方法和装置。 视频编码方法包括：通过使用基于第一分区模式和分区级别确定的分区，以编码单位为单位的预测编码，作为用于编码图像的数据单元，以便选择用于输出编码结果的分区 在确定的分区中; 以及编码并输出表示所选分区的第一分区模式和分区级别的分区信息。 第一分区模式表示作为用于在编码单元上执行预测编码的数据单元的分区的形状和方向性，并且分区级别表示编码单元被分割成用于详细运动预测的分区的程度。

公开(公告)号：US20150237358A1

公开(公告)日：2015-08-20

申请号：US14632169

申请日：2015-02-26

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Alexander ALSHIN ,  Elena ALSHINA ,  Jianle CHEN ,  Woo-jin HAN ,  Nikolay SHLYAKHOV ,  Yoon-mi HONG

IPC分类号： H04N19/43 ,  H04N19/523 ,  H04N19/186 ,  H04N19/82 ,  H04N19/117 ,  H04N19/182 ,  H04N19/59

CPC分类号： H04N19/86 ,  G06F17/17 ,  G06F17/175 ,  G06T3/4007 ,  G06T5/002 ,  H04N19/117 ,  H04N19/182 ,  H04N19/186 ,  H04N19/42 ,  H04N19/43 ,  H04N19/521 ,  H04N19/523 ,  H04N19/59 ,  H04N19/635 ,  H04N19/80 ,  H04N19/82

摘要： Provided are a method of interpolating an image by determining interpolation filter coefficients, and an apparatus for performing the same. The method includes: differently selecting an interpolation filter, from among interpolation filters for generating at least one sub-pel-unit pixel value located between integer-pel-unit pixels, based on a sub-pel-unit interpolation location and a smoothness; and generating the at least one sub-pel-unit pixel value by interpolating, using the selected interpolation filter, pixel values of the integer-pel-unit pixels.

摘要翻译： 提供了一种通过确定内插滤波器系数来内插图像的方法，以及用于执行图像的装置。 该方法包括：基于子像素单位内插位置和平滑度，从用于产生位于整数像素单位像素之间的至少一个子像素单位像素值的内插滤波器中不同地选择内插滤波器; 以及通过使用所选择的内插滤波器内插所述整数像素单位像素的像素值来生成所述至少一个子像素单位像素值。

公开(公告)号：US20150172696A1

公开(公告)日：2015-06-18

申请号：US14630144

申请日：2015-02-24

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Elena ALSHINA ,  Jianle CHEN ,  Woo-jin HAN

IPC分类号： H04N19/513 ,  H04N19/105 ,  H04N19/176

CPC分类号： H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/136 ,  H04N19/146 ,  H04N19/176 ,  H04N19/182 ,  H04N19/19 ,  H04N19/503 ,  H04N19/513 ,  H04N19/523 ,  H04N19/57 ,  H04N19/61

摘要： A method and apparatus for encoding and decoding a video are provided. The method of encoding the video includes: determining whether a unidirectional motion estimation mode and a bidirectional motion estimation mode are to be used based on a size of a current prediction unit to be encoded, performing the motion estimation and the motion compensation on the current prediction unit according to the determining of whether the unidirectional motion estimation mode and the bidirectional motion estimation mode are to be used, determining an optimum motion estimation mode of the current prediction unit based on an encoding cost of the current prediction unit obtained through the performing of the motion estimation and the motion compensation, and encoding information indicating the determined optimum motion estimation mode based on the size of the current prediction unit.

公开(公告)号：US20150156513A1

公开(公告)日：2015-06-04

申请号：US14618201

申请日：2015-02-10

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Tammy LEE ,  Woo-jin HAN ,  Jianle CHEN ,  Hae-kyung JUNG

IPC分类号： H04N19/625 ,  H04N19/61 ,  H04N19/169

CPC分类号： H04N19/625 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/122 ,  H04N19/169 ,  H04N19/176 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

摘要： An image decoding apparatus in which a size of at least one transformation unit in a coding unit is determined independently from a size of at least one prediction unit in the coding unit.

摘要翻译： 一种图像解码装置，其中独立于编码单元中的至少一个预测单元的大小来确定编码单元中的至少一个变换单元的大小。

公开(公告)号：US20150139333A1

公开(公告)日：2015-05-21

申请号：US14603268

申请日：2015-01-22

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Tammy LEE ,  Jianle CHEN

IPC分类号： H04N19/91 ,  H04N19/60

CPC分类号： H04N19/13 ,  H04N19/119 ,  H04N19/12 ,  H04N19/136 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/184 ,  H04N19/186 ,  H04N19/30 ,  H04N19/426 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91 ,  H04N19/96

摘要： Provided are video encoding and decoding methods and apparatuses. The video encoding method includes: encoding a video based on data units having a hierarchical structure; determining a context model used for entropy encoding a syntax element of a data unit based on at least one piece of additional information of the data units; and entropy encoding the syntax element by using the determined context model.

摘要翻译： 提供了视频编码和解码方法和装置。 视频编码方法包括：基于具有分层结构的数据单元对视频进行编码; 基于数据单元的至少一条附加信息，确定用于对数据单元的语法元素进行熵编码的上下文模型; 以及通过使用所确定的上下文模型对语法元素进行熵编码。

公开(公告)号：US20130336391A1

公开(公告)日：2013-12-19

申请号：US13969816

申请日：2013-08-19

申请人： Samsung Electronics Co., Ltd.

发明人： Tammy LEE ,  Woo-jin HAN ,  Jianle CHEN ,  Hae-kyung JUNG

IPC分类号： H04N7/26

CPC分类号： H04N19/625 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/122 ,  H04N19/169 ,  H04N19/176 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

摘要： Disclosed are an image encoding method and apparatus for encoding an image by grouping a plurality of adjacent prediction units into a transformation unit and transforming the plurality of adjacent prediction into a frequency domain, and an image decoding method and apparatus for decoding an image encoded by using the image encoding method and apparatus.

摘要翻译： 公开了一种图像编码方法和装置，用于通过将多个相邻预测单元分组为变换单元并将多个相邻预测变换为频域来对图像进行编码，以及图像解码方法和装置，用于对通过使用 图像编码方法和装置。