公开(公告)号：US20150172663A1

公开(公告)日：2015-06-18

申请号：US14635545

申请日：2015-03-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Jeong-hoon PARK

IPC: H04N19/13 ,  H04N19/82 ,  H04N19/61 ,  H04N19/91 ,  H04N19/44

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：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：US20150139321A1

公开(公告)日：2015-05-21

申请号：US14603112

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Young-o PARK

IPC: H04N19/577 ,  H04N19/58 ,  H04N19/573 ,  H04N19/52

CPC classification number: H04N19/56 ,  H04N19/124 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61

Abstract: Provided are motion vector determining method and apparatus for determining a motion vector via motion vector prediction.The motion vector determining method involves determining a candidate motion vector list comprising motion vectors of a plurality of candidate blocks referred so as to predict a motion vector of a current block, when a reference image of a first candidate block from among the plurality of candidate blocks is different from a reference image of the current block, determining whether or not to use a motion vector of the first candidate block from the candidate motion vector list, based on whether each of the reference image of the current block and the reference image of the first candidate block is a short-term reference image or a long-term reference image, and determining the motion vector of the current block by using a candidate motion vector selected from among the motion vectors comprised in the candidate motion vector list.

Abstract translation: 提供了用于通过运动矢量预测来确定运动矢量的运动矢量确定方法和装置。 运动矢量确定方法包括确定包括多个候选块的运动矢量的候选运动矢量列表，所述多个候选块被参考用于预测当前块的运动矢量，当来自多个候选块中的第一候选块的参考图像 与当前块的参考图像不同，基于当前块的参考图像和当前块的参考图像中的每一个，确定是否使用来自候选运动矢量列表的第一候选块的运动矢量 第一候选块是短期参考图像或长期参考图像，并且通过使用从候选运动矢量列表中包括的运动矢量中选择的候选运动矢量来确定当前块的运动矢量。

公开(公告)号：US20150131726A1

公开(公告)日：2015-05-14

申请号：US14603164

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Young-o PARK

IPC: H04N19/52 ,  H04N19/58 ,  H04N19/577

CPC classification number: H04N19/56 ,  H04N19/124 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61

Abstract: Provided are motion vector determining method and apparatus for determining a motion vector via motion vector prediction.The motion vector determining method involves determining a candidate motion vector list comprising motion vectors of a plurality of candidate blocks referred so as to predict a motion vector of a current block, when a reference image of a first candidate block from among the plurality of candidate blocks is different from a reference image of the current block, determining whether or not to use a motion vector of the first candidate block from the candidate motion vector list, based on whether each of the reference image of the current block and the reference image of the first candidate block is a short-term reference image or a long-term reference image, and determining the motion vector of the current block by using a candidate motion vector selected from among the motion vectors comprised in the candidate motion vector list.

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：US20150003516A1

公开(公告)日：2015-01-01

申请号：US14486533

申请日：2014-09-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/196 ,  H04N19/103

CPC classification number: H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/172 ,  H04N19/176 ,  H04N19/198 ,  H04N19/46 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: A method of encoding a video includes: splitting a picture into a maximum coding unit; for the maximum coding unit, determining coding units having a tree structure including coding units of coded depths and determining encoding modes for the coding units of the coded depths by performing encoding based on coding units according to depths, the coding units according to depths obtained by hierarchically splitting the maximum coding unit as a depth deepens; and outputting information about a maximum coding unit size and, for the maximum coding unit, information indicating an order of split information and skip mode information which is selectively determined for the coding units according to depths, information about the encoding modes for the coding units of the coded depths including the split information and the skip mode information which are arranged according to the order, and encoded video data.

Abstract translation: 视频编码方法包括：将图像分割为最大编码单位; 对于最大编码单元，通过基于根据深度的编码单位执行编码，确定具有包括编码深度的编码单位的树结构的编码单元和用于编码深度的编码单元的编码模式，编码单元根据由深度获得的深度， 分级分割最大编码单位，深度加深; 并且输出关于最大编码单元大小的信息，并且对于最大编码单元，指示根据深度选择性地针对编码单元确定的分割信息和跳过模式信息的顺序的信息，关于编码单元的编码模式的信息 包括根据顺序排列的分割信息和跳过模式信息的编码深度和编码视频数据。

公开(公告)号：US20140334535A1

公开(公告)日：2014-11-13

申请号：US14444358

申请日：2014-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/129 ,  H04N19/187 ,  H04N19/146

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：US20140294065A1

公开(公告)日：2014-10-02

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: H04N19/105

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：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：US20140254948A1

公开(公告)日：2014-09-11

申请号：US14283752

申请日：2014-05-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G06T9/00

CPC classification number: H04N19/105 ,  G06T9/00 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/132 ,  H04N19/17 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/96

Abstract: An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from image data and a decoding unit which determines a split structure of a maximum coding unit, according to the split information so that the maximum coding unit is hierarchically split as a depth increases and determines whether the prediction mode of the current coding unit is the skip mode according to the skip information.

Abstract translation: 一种用于对图像进行解码的装置包括：编码信息提取器，其提取指示是否将上层深度的编码单位分割为较深深度的编码单位的分割信息，以及指示当前编码单元的预测模式是否为跳过模式的跳过信息， 根据分割信息，根据分割信息确定最大编码单位的分割结构的图像数据和解码单元，使得最大编码单元随深度增加而分层分割，并确定当前编码单元的预测模式是否为跳过 模式根据跳过信息。