公开(公告)号：US09596472B2

公开(公告)日：2017-03-14

申请号：US14603268

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Jianle Chen

IPC: H04N19/91 ,  H04N19/13 ,  H04N19/119 ,  H04N19/136 ,  H04N19/176 ,  H04N19/96 ,  H04N19/157 ,  H04N19/426 ,  H04N19/60 ,  H04N19/18 ,  H04N19/12 ,  H04N19/186 ,  H04N19/61

CPC classification number: 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

Abstract: 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.

公开(公告)号：US09584821B2

公开(公告)日：2017-02-28

申请号：US14609643

申请日：2015-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Woo-jin Han ,  Hae-kyung Jung ,  Il-koo Kim ,  Tammy Lee ,  Jianle Chen

IPC: H04N19/30 ,  H04N19/503 ,  G06T9/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/91 ,  H04N19/13 ,  H04N19/182 ,  H04N19/50 ,  H04N19/60 ,  H04N19/107

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 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.

Abstract translation: 一种解码图像的方法，其中，当预测模式是帧间预测模式时，不是帧内预测模式，所述编码单元中的至少一个预测单元的大小独立于至少一个变换单元的大小来确定 在编码单元中。

公开(公告)号：US09538188B2

公开(公告)日：2017-01-03

申请号：US14630170

申请日：2015-02-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Jianle Chen ,  Woo-jin Han

IPC: H04N19/105 ,  H04N19/176 ,  H04N19/61 ,  H04N19/107 ,  H04N19/109 ,  H04N19/136 ,  H04N19/146 ,  H04N19/182 ,  H04N19/19 ,  H04N19/503 ,  H04N19/513 ,  H04N19/57

CPC classification number: 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

Abstract: 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：US09386325B2

公开(公告)日：2016-07-05

申请号：US14618201

申请日：2015-02-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Jianle Chen ,  Hae-kyung Jung

IPC: H04N19/625 ,  G06T9/00 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/107 ,  H04N19/169

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

Abstract: 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.

Abstract translation: 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：US08971654B2

公开(公告)日：2015-03-03

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: G06K9/36 ,  H04N19/126 ,  H04N19/119 ,  H04N19/122 ,  H04N19/176 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/44 ,  H04N19/503 ,  H04N19/593 ,  G06T9/00 ,  H04N19/124 ,  H04N19/91

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：US08971653B2

公开(公告)日：2015-03-03

申请号：US14299316

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: G06K9/36 ,  H04N19/126 ,  H04N19/119 ,  H04N19/122 ,  H04N19/176 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/44 ,  H04N19/503 ,  H04N19/593 ,  G06T9/00 ,  H04N19/124 ,  H04N19/91

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: An apparatus for decoding an image includes an entropy decoder that performs entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, an inverse transformer that performs inverse-quantization and inverse-transformation on the quantized transformation coefficients of the at least one transformation unit to obtain residuals, and a restorer that performs inter prediction for at least one prediction unit in the coding unit to generate a predictor and restores the image by using the residuals and the predictor.

Abstract translation: 一种用于对图像进行解码的装置包括：熵解码器，进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，对量化变换执行逆量化和逆变换的逆变换器 所述至少一个变换单元的系数以获得残差;以及恢复器，对所述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，并通过使用所述残差和所述预测器恢复所述图像。

公开(公告)号：US08971650B2

公开(公告)日：2015-03-03

申请号：US14299155

申请日：2014-06-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tammy Lee ,  Woo-jin Han ,  Jianle Chen ,  Hae-kyung Jung

IPC: G06K9/36 ,  G06T9/00 ,  H04N19/119 ,  H04N19/122 ,  H04N19/176 ,  H04N19/61 ,  H04N19/107 ,  H04N19/70 ,  H04N19/96

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

Abstract: An image decoding method including determining coding units having a hierarchical structure for decoding an image using split information of a coding unit, determining at least one prediction unit for predicting a coding unit among the coding units using information about a partition type, and determining at least one transformation unit for inversely transforming the coding unit using information about a depth of the at least one transformation unit, wherein the split information of a coding unit, the information about a partition type and the information about a depth of the at least one transformation unit are parsed from a bitstream, parsing from the bitstream transformation coefficients generated by transformation according to the at least one transformation unit generated by dividing the coding unit, and reconstructing residual of the at least one transformation unit by performing inverse quantization, and inverse transformation on the parsed transformation coefficients, and performing intra prediction or inter prediction on the prediction unit to generate a predictor, and reconstructing the image based on the residual and the predictor.

Abstract translation: 一种图像解码方法，包括确定具有用于使用编码单元的分割信息对图像进行解码的分层结构的编码单元，使用关于分割类型的信息确定用于预测编码单元中的编码单位的至少一个预测单元，以及至少确定 一个变换单元，用于使用关于所述至少一个变换单元的深度的信息对所述编码单元进行逆变换，其中编码单元的分割信息，关于分区类型的信息以及关于所述至少一个变换单元的深度的信息 从比特流解析，根据通过对编码单位进行分割而生成的至少一个变换单位的变换生成的比特变换系数进行解析，并且通过执行逆量化来重构至少一个变换单元的残差，以及对 解析变换系数，和perf 在所述预测单元上建立帧内预测或帧间预测以生成预测器，以及基于所述残差和所述预测器来重构所述图像。

公开(公告)号：US08953682B2

公开(公告)日：2015-02-10

申请号：US13906088

申请日：2013-05-30

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 ,  H04N11/02 ,  H04N11/04 ,  H04B1/66 ,  H04N19/50 ,  H04N19/119 ,  H04N19/132 ,  H04N19/19 ,  H04N19/122 ,  H04N19/176 ,  H04N19/147 ,  H04N19/103 ,  H04N19/46 ,  H04N19/30 ,  H04N19/96 ,  H04N19/44 ,  H04N19/61

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.

Abstract translation: 公开了一种对视频进行编码的方法，该方法包括：将当前画面分割成至少一个最大编码单元; 根据至少一个分割区域确定编码深度以输出最终的编码结果，所述至少一个分割区域通过根据深度与所述最大编码单元的比例增加的深度来编码所述至少一个分割区域来分割所述最大编码单元的区域， 分割最大编码单位的区域的次数; 以及根据所述至少一个分割区域输出构成最终编码结果的图像数据，以及根据所述至少一个最大编码单元编码关于编码深度的信息和预测模式。

公开(公告)号：US08885959B2

公开(公告)日：2014-11-11

申请号：US14299406

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: G06K9/36 ,  G06T9/00

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 includes performing entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, determining a prediction mode of at least one prediction unit in the coding unit from information indicating a prediction mode for the at least one prediction unit, when the prediction mode is determined to be an inter prediction mode, not in an intra prediction mode, determining a size of the at least one transformation unit in the coding unit regardless of a size of the at least one prediction unit in the coding unit, 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: 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，从表示预测模式的信息确定编码单元中的至少一个预测单元的预测模式 对于所述至少一个预测单元，当所述预测模式被确定为帧间预测模式时，不是在帧内预测模式中，确定所述编码单元中的所述至少一个变换单元的大小，而与所述至少一个预测模式的大小无关 编码单元中的一个预测单元，对所述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，并且对所述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 并使用残差和预测器恢复图像。

公开(公告)号：US08849022B2

公开(公告)日：2014-09-30

申请号：US13925408

申请日：2013-06-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Vadim Seregin ,  Jianle Chen ,  Woo-jin Han

IPC: G06K9/36 ,  H04N19/44 ,  H04N19/176 ,  H04N19/593 ,  H04N19/61 ,  H04N19/119 ,  H04N19/186

CPC classification number: H04N19/00533 ,  H04N19/119 ,  H04N19/176 ,  H04N19/186 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61

Abstract: Encoding and decoding an image may be performed by setting a plurality of segments of a second color component block based on pixel values of a first color component block. The plurality of segments may be predicted by using different context pixels, and the second color component block may be encoded and decoded based on the predicted plurality of segments.

Abstract translation: 可以通过基于第一颜色分量块的像素值设置第二颜色分量块的多个段来执行图像的编码和解码。 可以通过使用不同的上下文像素来预测多个段，并且可以基于预测的多个段对第二颜色分量块进行编码和解码。