公开(公告)号：US09277247B2

公开(公告)日：2016-03-01

申请号：US14632169

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: H04N19/86 ,  H04N19/635 ,  H04N19/43 ,  H04N19/182 ,  H04N19/59 ,  H04N19/523 ,  H04N19/117 ,  H04N19/82 ,  H04N19/186 ,  G06T3/40 ,  G06T5/00 ,  G06F17/17

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：US09253507B2

公开(公告)日：2016-02-02

申请号：US14632176

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: H04N19/86 ,  H04N19/635 ,  H04N19/43 ,  H04N19/182 ,  H04N19/59 ,  H04N19/523 ,  H04N19/117 ,  H04N19/82 ,  H04N19/186 ,  G06T3/40 ,  G06T5/00 ,  G06F17/17

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：US09179167B2

公开(公告)日：2015-11-03

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: H04N19/86 ,  H04N19/635 ,  H04N19/43 ,  H04N19/182 ,  H04N19/59 ,  H04N19/523 ,  H04N19/117 ,  H04N19/82 ,  G06T3/40 ,  G06T5/00 ,  G06F17/17

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：US09131237B2

公开(公告)日：2015-09-08

申请号：US14515226

申请日：2014-10-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Jung-hye Min

IPC: H04N7/12 ,  H04N19/33 ,  H04N19/105 ,  H04N19/52 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70 ,  H04N19/147 ,  H04N19/51 ,  H04N19/513 ,  H04N19/96 ,  H04N19/103 ,  H04N19/44

CPC classification number: H04N19/33 ,  H04N19/103 ,  H04N19/105 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/44 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding a motion vector includes: selecting a mode from among a first mode in which information indicating a motion vector predictor of at least one motion vector predictor is encoded and a second mode in which information indicating generation of a motion vector predictor based on pixels included in a previously encoded area adjacent to a current block is encoded; determining a motion vector predictor of the current block according to the selected mode and encoding information about the motion vector predictor of the current block; and encoding a difference vector between a motion vector of the current block and the motion vector predictor of the current block.

公开(公告)号：US09113111B2

公开(公告)日：2015-08-18

申请号：US13755041

申请日：2013-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han

IPC: H04N7/12 ,  H04N19/61 ,  H04N19/105 ,  H04N19/52 ,  H04N19/176 ,  H04N19/51 ,  H04N19/513 ,  H04N19/14 ,  H04N19/137

CPC classification number: H04N19/521 ,  H04N19/105 ,  H04N19/137 ,  H04N19/14 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61

Abstract: Provided are a method and apparatus for estimating a motion vector using a plurality of motion vector predictors, an encoder, a decoder, and a decoding method. The method includes calculating spatial similarities between the current block and the plurality of neighboring partitions around the current block, selecting at least one of the neighboring partitions based on the calculated spatial similarities, and estimating a motion vector of the selected partition as the motion vector of the current block.

Abstract translation: 提供了一种使用多个运动矢量预测器，编码器，解码器和解码方法来估计运动矢量的方法和装置。 该方法包括计算当前块和当前块周围的多个相邻分区之间的空间相似度，基于所计算的空间相似度来选择相邻分区中的至少一个，并且将所选择的分区的运动矢量估计为 当前块。

公开(公告)号：US08929436B2

公开(公告)日：2015-01-06

申请号：US13709560

申请日：2012-12-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-jin Han

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/85 ,  H04N19/88 ,  H04N19/90 ,  H04N19/46 ,  H04N21/2343 ,  H04N21/2365 ,  H04N21/2662 ,  H04N21/434 ,  H04N21/4402 ,  H04N21/845 ,  H04N19/164 ,  H04N19/12 ,  H04N19/177

CPC classification number: H04N19/85 ,  H04N19/12 ,  H04N19/164 ,  H04N19/177 ,  H04N19/46 ,  H04N19/88 ,  H04N19/90 ,  H04N21/234327 ,  H04N21/23439 ,  H04N21/2365 ,  H04N21/2662 ,  H04N21/4347 ,  H04N21/440227 ,  H04N21/8451

Abstract: A method and apparatus for video encoding, predecoding, and video decoding for video streaming services. The video encoding method includes encoding first and second video sequences into first and second bitstreams using scalable video coding, wherein at least one of resolution, frame rate, and image quality of the second video sequence is different from that of the first video sequence, and combining the first and second bitstreams into a super bitstream.

Abstract translation: 用于视频流服务的视频编码，预解码和视频解码的方法和装置。 视频编码方法包括使用可缩放视频编码将第一和第二视频序列编码到第一和第二比特流中，其中第二视频序列的分辨率，帧率和图像质量中的至少一个与第一视频序列的分辨率，帧速率和图像质量中的至少一个不同于第一视频序列， 将第一和第二比特流组合成超级比特流。

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：US08885725B2

公开(公告)日：2014-11-11

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: H04N7/12 ,  H04N19/70 ,  H04N19/503 ,  H04N19/96 ,  H04N19/157 ,  H04N19/122 ,  H04N19/46 ,  H04N19/137 ,  H04N19/139 ,  H04N19/119 ,  H04N19/51 ,  H04N19/176 ,  H04N19/61 ,  H04N19/543 ,  H04N19/103

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：US08861609B2

公开(公告)日：2014-10-14

申请号：US14154065

申请日：2014-01-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tammy Lee ,  Woo-jin Han ,  Jung-hye Min

IPC: H04N7/12 ,  H04N19/147 ,  H04N19/103 ,  H04N19/51 ,  H04N19/96 ,  H04N19/105 ,  H04N19/176 ,  H04N19/139 ,  H04N19/583 ,  H04N19/33 ,  H04N19/70

CPC classification number: H04N19/33 ,  H04N19/103 ,  H04N19/105 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/44 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding a motion vector includes: selecting a mode from among a first mode in which information indicating a motion vector predictor of at least one motion vector predictor is encoded and a second mode in which information indicating generation of a motion vector predictor based on pixels included in a previously encoded area adjacent to a current block is encoded; determining a motion vector predictor of the current block according to the selected mode and encoding information about the motion vector predictor of the current block; and encoding a difference vector between a motion vector of the current block and the motion vector predictor of the current block.

Abstract translation: 提供了用于对运动矢量进行编码和解码的方法和装置。 编码运动矢量的方法包括：从表示至少一个运动矢量预测器的运动矢量预测器的信息被编码的第一模式中选择模式，以及第二模式，其中基于 包括在与当前块相邻的先前编码区域中的像素被编码; 根据所选择的模式确定当前块的运动矢量预测器，并且编码关于当前块的运动矢量预测器的信息; 以及对当前块的运动矢量和当前块的运动矢量预测器之间的差矢量进行编码。

公开(公告)号：US08831105B2

公开(公告)日：2014-09-09

申请号：US13755530

申请日：2013-01-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tammy Lee ,  Woo-jin Han

IPC: H04N19/61 ,  H04N19/176 ,  H04N19/51 ,  H04N19/583 ,  H04N19/137 ,  H04N19/14 ,  H04N19/105 ,  H04N7/12

CPC classification number: H04N19/521 ,  H04N19/105 ,  H04N19/137 ,  H04N19/14 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61

Abstract: Provided are a method and apparatus for estimating a motion vector using a plurality of motion vector predictors, an encoder, a decoder, and a decoding method. The method includes calculating spatial similarities between the current block and the plurality of neighboring partitions around the current block, selecting at least one of the neighboring partitions based on the calculated spatial similarities, and estimating a motion vector of the selected partition as the motion vector of the current block.

Abstract translation: 提供了一种使用多个运动矢量预测器，编码器，解码器和解码方法来估计运动矢量的方法和装置。 该方法包括计算当前块和当前块周围的多个相邻分区之间的空间相似度，基于所计算的空间相似度来选择相邻分区中的至少一个，并且将所选择的分区的运动矢量估计为 当前块。