公开(公告)号：US20150237357A1

公开(公告)日：2015-08-20

申请号：US14632155

申请日：2015-02-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: 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

Abstract: 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.

公开(公告)号：US20150178892A1

公开(公告)日：2015-06-25

申请号：US14636841

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena ALSHINA ,  Alexander ALSHIN ,  Nikolay SHLYAKHOV ,  Byeong-doo CHOI ,  Yoon-mi HONG ,  Woo-jin HAN ,  Tammy LEE

IPC: G06T3/40 ,  H04N19/80 ,  H04N19/59 ,  H04N19/30 ,  H04N19/117 ,  H04N19/182 ,  H04N7/01 ,  H04N19/48 ,  H04N19/523

CPC classification number: G06T3/4007 ,  G06F17/175 ,  H04N7/014 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N19/48 ,  H04N19/523 ,  H04N19/59 ,  H04N19/80

Abstract: Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.

公开(公告)号：US20150178890A1

公开(公告)日：2015-06-25

申请号：US14636787

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena ALSHINA ,  Alexander ALSHIN ,  Nikolay SHLYAKHOV ,  Byeong-doo CHOI ,  Yoon-mi HONG ,  Woo-jin HAN ,  Tammy LEE

IPC: G06T3/40 ,  H04N19/80 ,  H04N7/01 ,  H04N19/523 ,  H04N19/117 ,  H04N19/182 ,  H04N19/48 ,  H04N19/59

CPC classification number: G06T3/4007 ,  G06F17/175 ,  H04N7/014 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N19/48 ,  H04N19/523 ,  H04N19/59 ,  H04N19/80

Abstract: Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.

Abstract translation: 提供了一种用于内插图像的方法和装置。 该方法包括：根据插值位置，从多个不同滤波器中选择第一滤波器，用于在整数像素单元的像素值之间进行内插; 以及通过使用所选择的第一滤波器在整数像素单元的像素值之间进行内插来生成至少一个分数像素单元的至少一个像素值。

公开(公告)号：US20150146793A1

公开(公告)日：2015-05-28

申请号：US14611731

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：US20150055699A1

公开(公告)日：2015-02-26

申请号：US14536082

申请日：2014-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/115

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: A method of decoding an image including extracting information that indicates an intra prediction mode applied to a current block to be decoded, from a bitstream; determining one of neighboring pixels adjacent to the current block and filtered neighboring pixels filtered from the neighboring pixels as reference pixels, based on at least one of a size of the current block and an intra prediction mode of the current block; performing intra prediction on the current block using the extracted information and the determined reference pixels, wherein, when the current block has a size of N×N, where N is integer, the neighboring pixels include 2N neighboring pixels adjacent to an upper side and an upper right side of the current block and 2N neighboring pixels adjacent to a left side and a below left side of the current block.

Abstract translation: 一种从比特流解码包括提取指示应用于要解码的当前块的帧内预测模式的信息的图像的方法; 基于当前块的当前块的大小和帧内预测模式中的至少一个，确定与当前块相邻的相邻像素中的一个和从相邻像素滤波的经滤波的相邻像素作为参考像素; 使用所提取的信息和所确定的参考像素对当前块执行帧内预测，​​其中当当前块具有N×N的大小时，其中N是整数，相邻像素包括与上侧相邻的2N个相邻像素， 当前块的右上侧和与当前块的左侧和左下侧相邻的2N个相邻像素。

公开(公告)号：US20140286591A1

公开(公告)日：2014-09-25

申请号：US14299427

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 ,  H04N19/503 ,  H04N19/91 ,  H04N19/124

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: A method of decoding an image including performing entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, performing inverse-quantization and inverse-transformation on the quantized transformation coefficients of the at least one transformation unit to obtain residuals, and performing inter prediction for at least one prediction unit in the coding unit to generate a predictor and restoring the image by using the residuals and the predictor.

Abstract translation: 一种解码图像的方法，包括执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，对至少一个变换单元的量化变换系数进行逆量化和逆变换 以获得残差，并对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，并通过使用残差和预测器来恢复图像。

公开(公告)号：US20140205004A1

公开(公告)日：2014-07-24

申请号：US14219230

申请日：2014-03-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/103 ,  H04N19/105 ,  H04N19/177 ,  H04N19/172 ,  H04N19/174 ,  H04N19/136 ,  H04N19/117

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：US20140192890A1

公开(公告)日：2014-07-10

申请号：US14206024

申请日：2014-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Min-su CHEON ,  Woo-jin HAN

IPC: H04N19/51

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/119 ,  H04N19/122 ,  H04N19/137 ,  H04N19/139 ,  H04N19/157 ,  H04N19/176 ,  H04N19/30 ,  H04N19/33 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/533 ,  H04N19/543 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: A method of decoding a video includes determining coding units having a hierarchical structure being data units in which the encoded image is decoded, and sub-units for predicting the coding units, by using information that indicates division shapes of the coding units and information about prediction units of the coding units, parsed from a received bitstream of a encoded image, wherein the sub-units comprise partitions obtained by splitting at least one of a height and a width of the coding units according to at least one of a symmetric ratio and an asymmetric ratio, and reconstructing the image by performing decoding including motion compensation using the partitions for the coding units, using the encoding information parsed from the received bitstream, wherein the coding units having the hierarchical structure comprise coding units of coded depths split hierarchically according to the coded depths and independently from neighboring coding units.

Abstract translation: 解码视频的方法包括：通过使用指示编码单位的分割形状的信息和关于预测的信息，确定具有分层结构的编码单元，其中编码图像被解码的编码单元和用于预测编码单元的子单元 从编码图像的接收比特流解码的编码单元的单位，其中所述子单元包括通过根据对称比率和对称比率中的至少一个分割所述编码单元的高度和宽度中的至少一个而获得的分区 通过使用从接收的比特流解析的编码信息，通过使用编码单元的分区执行包括运动补偿的解码来重构图像，其中具有分层结构的编码单元包括根据编码单元分层分割的编码深度的编码单元 编码深度并且独立于相邻编码单元。

公开(公告)号：US20140192875A1

公开(公告)日：2014-07-10

申请号：US14206139

申请日：2014-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Min-su CHEON ,  Woo-jin HAN

IPC: H04N19/119 ,  H04N19/176 ,  H04N19/137

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/119 ,  H04N19/122 ,  H04N19/137 ,  H04N19/139 ,  H04N19/157 ,  H04N19/176 ,  H04N19/30 ,  H04N19/33 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/533 ,  H04N19/543 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: An apparatus for decoding a video includes a receiver which receives and obtains a bitstream of an encoded image, a processor which determines coding units having a hierarchical structure being data units in which the encoded image is decoded, and sub-units for predicting the coding units, by using information that indicates division shapes of the coding units and information about prediction units of the coding units, obtained from the received bitstream, wherein the sub-units comprise partitions obtained by splitting at least one of a height and a width of the coding units according to at least one of a symmetric ratio and an asymmetric ratio, and a decoder which reconstructs the image by performing decoding including motion compensation using the partitions for the coding units, using the encoding information parsed from received bitstream, wherein the coding units having the hierarchical structure comprise coding units of coded depths split hierarchically according to the coded depths and independently from neighboring coding units.

Abstract translation: 一种用于解码视频的装置包括接收并获得编码图像的比特流的接收机，确定具有分层结构的编码单元的处理器，其中编码图像被解码的数据单元，以及用于预测编码单元的子单元 通过使用从所接收的比特流获得的指示编码单位的划分形状和与编码单元的预测单元有关的信息的信息，其中，所述子单元包括通过分割编码单元的高度和宽度中的至少一个而获得的分区 根据对称比率和非对称比率中的至少一个，单元，以及解码器，其使用从所接收的比特流解析的编码信息，通过使用所述编码单元的分区执行包括运动补偿的解码来重构图像，其中，所述编码单元具有 层次结构包括编码深度的编码单元，根据编码的层次分级分割 并且独立于相邻编码单元。

公开(公告)号：US20140056360A1

公开(公告)日：2014-02-27

申请号：US14071356

申请日：2013-11-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/36 ,  H04N7/26

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 。