公开(公告)号：US20180332309A1

公开(公告)日：2018-11-15

申请号：US15777029

申请日：2016-11-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bo-ra JIN ,  Min-woo PARK

IPC: H04N19/85 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/80 ,  H04N19/91

CPC classification number: H04N19/85 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/14 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/80 ,  H04N19/82 ,  H04N19/91

Abstract: Provided is an image encoding or decoding method and apparatus for post-processing an intra- or inter-predicted block based on pixel gradients. In the image decoding method and apparatus according to an embodiment, prediction mode information of a current block to be decoded and filtering information indicating whether to filter a predicted block are obtained from a bitstream, a first predicted block of the current block is generated based on the prediction mode information, a second predicted block is generated by changing a pixel value of a current pixel in the first predicted block based on gradient values between the current pixel and adjacent pixels of the current pixel, when the filtering information indicates to filter the first predicted block, a residual corresponding to a difference value between the current block and the second predicted block is reconstructed by extracting the residual from the bitstream, and the current block is decoded by adding the residual to the second predicted block.

公开(公告)号：US20180176599A1

公开(公告)日：2018-06-21

申请号：US15126032

申请日：2015-03-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE

IPC: H04N19/597 ,  H04N19/119 ,  H04N19/182 ,  H04N19/176 ,  H04N19/187

CPC classification number: H04N19/597 ,  H04N19/119 ,  H04N19/176 ,  H04N19/182 ,  H04N19/187

Abstract: Provided is a multi-layer video decoding method. The multi-layer video decoding method includes determining a depth block corresponding to a current block; splitting the current block into two regions, based on sample values included in the determined depth block; and performing motion compensation by using the split two regions.

公开(公告)号：US20170359577A1

公开(公告)日：2017-12-14

申请号：US15517800

申请日：2015-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE ,  Byeong-doo CHOI

IPC: H04N19/105 ,  H04N19/597 ,  H04N19/44 ,  H04N19/51 ,  H04N19/30

CPC classification number: H04N19/105 ,  H04N19/30 ,  H04N19/44 ,  H04N19/51 ,  H04N19/597 ,  H04N19/70

Abstract: Provided is a method of decoding a video including a multilayer. The method includes: setting, when a reference picture for inter-layer prediction is included in a reference picture list, first information to indicate that the reference picture is included in the reference picture list; and performing, when a disparity vector is not to be derived from a neighboring block of a current coding unit, residual prediction based on the first information and a default disparity vector.

公开(公告)号：US20170318287A1

公开(公告)日：2017-11-02

申请号：US15517794

申请日：2015-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Min-woo PARK

IPC: H04N19/103 ,  H04N19/159 ,  H04N19/40 ,  H04N19/184 ,  H04N19/114 ,  H04N19/11 ,  H04N19/105

CPC classification number: H04N19/103 ,  H04N19/105 ,  H04N19/11 ,  H04N19/114 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/184 ,  H04N19/40 ,  H04N19/597 ,  H04N19/70

Abstract: Provided is a method of decoding a multi-view image, the method including obtaining, from a bitstream, an intra skip flag indicating whether a current block included in a depth image of the multi-view image is to be reconstructed based on an intra skip mode; obtaining, from the bitstream, intra skip prediction mode information indicating an intra prediction mode to be used for the current block, from among a plurality of intra prediction modes, when the intra skip flag indicates that the current block is to be reconstructed based on the intra skip mode; determining predicted values of samples included in the current block according to an intra prediction method indicated by the intra skip prediction mode information; and reconstructing the current block by determining reconstructed values of the samples, based on the predicted values of the samples.

公开(公告)号：US20170310984A1

公开(公告)日：2017-10-26

申请号：US15517759

申请日：2015-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Min-woo PARK

IPC: H04N19/463 ,  H04N19/52 ,  H04N19/31 ,  H04N19/513 ,  H04N19/70 ,  H04N19/597

CPC classification number: H04N19/463 ,  H04N19/31 ,  H04N19/513 ,  H04N19/52 ,  H04N19/597 ,  H04N19/70

Abstract: According to an embodiment, an image decoding method includes: determining at least one prediction unit included in a current coding unit that is one of at least one coding unit splitting the image; generating a merge candidate list related to a current prediction unit included in the at least one prediction unit; determining a prediction mode to be performed in the prediction unit based on the merge candidate list; and performing prediction according to the determined prediction mode, wherein the generating of the merge candidate list further comprises determining whether to add a view synthesis prediction merging candidate to the merge candidate list based on whether a neighboring prediction unit adjacent to the current prediction unit has been encoded using the view synthesis prediction merging candidate.

公开(公告)号：US20170214939A1

公开(公告)日：2017-07-27

申请号：US15300841

申请日：2015-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Min-woo PARK ,  Yong-jin CHO

IPC: H04N19/593 ,  H04N19/105 ,  H04N19/159 ,  H04N19/46

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/184 ,  H04N19/186 ,  H04N19/46 ,  H04N19/59 ,  H04N19/597 ,  H04N19/70

Abstract: A depth image decoding method according to an embodiment may include obtaining, from a bitstream, a first flag including information about use of an intra contour mode related to intra prediction of a depth image, determining whether to perform prediction in the intra contour mode on a prediction unit of the depth image, based on the first flag, performing prediction in the intra contour mode on the prediction unit upon determining to perform prediction in the intra contour mode on the prediction unit, and decoding the depth image based on a result of the performing of prediction.

公开(公告)号：US20170026662A1

公开(公告)日：2017-01-26

申请号：US15124999

申请日：2015-03-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Min-woo PARK

IPC: H04N19/597 ,  H04N19/513

CPC classification number: H04N19/597 ,  H04N19/513

Abstract: Provided is an inter-layer video decoding method including obtaining, from a bitstream, depth refinement information indicating whether a disparity vector of a current block of a second layer is obtainable by using a depth image of a first layer; and if the depth refinement information indicates that the depth image of the first layer is available, determining the disparity vector of the current block of the second layer, wherein the disparity vector includes a predetermined second component value and a first component value that is determined by using a base disparity vector and the depth image of the first layer.

Abstract translation: 提供了一种层间视频解码方法，包括从比特流获得指示通过使用第一层的深度图像是否可获得第二层的当前块的视差矢量的深度细化信息; 并且如果深度细化信息指示第一层的深度图像可用，则确定第二层当前块的视差矢量，其中视差向量包括预定的第二分量值和由第二分量值确定的第一分量值 使用基本视差矢量和第一层的深度图像。

公开(公告)号：US20160330459A1

公开(公告)日：2016-11-10

申请号：US15109728

申请日：2015-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Chan-yul KIM ,  Min-woo PARK ,  Jin-young LEE ,  Yong-jin CHO

IPC: H04N19/169 ,  H04N19/186

CPC classification number: H04N19/188 ,  H04N19/186 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597 ,  H04N19/70

Abstract: Provided is a multilayer video decoding method. The multilayer video decoding method may include: acquiring a network abstraction layer (NAL) unit from a bitstream of an encoded image; acquiring layer information, which is commonly used to decode base layer encoded data and enhancement layer encoded data, from a parameter included in the NAL unit; and reconstructing the multilayer image by decoding the base layer encoded data and the enhancement layer encoded data by using the layer information, wherein the parameter uses two or more bits to represent any one of information about a profile, tier, and level of layers constituting the multilayer, information about a phase alignment mode of a luma sample grid between layers constituting the multilayer, information about a picture type alignment mode between layers constituting the multilayer, and information specifying a layer set to be decoded.

Abstract translation: 提供了一种多层视频解码方法。 多层视频解码方法可以包括：从编码图像的比特流中获取网络抽象层（NAL）单元; 从包括在NAL单元中的参数获取通常用于解码基本层编码数据和增强层编码数据的层信息; 以及通过使用所述层信息对所述基层编码数据和所述增强层编码数据进行解码来重构所述多层图像，其中，所述参数使用两个或多个位来表示关于构成所述层的信息的轮廓，层和层的信息中的任何一个 多层，关于构成多层的层之间的亮度样本网格的相位对准模式的信息，关于构成多层的层之间的图像类型对准模式的信息，以及指定要解码的层集合的信息。

公开(公告)号：US20160309156A1

公开(公告)日：2016-10-20

申请号：US15192262

申请日：2016-06-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE

IPC: H04N19/139 ,  H04N19/577 ,  H04N19/513 ,  H04N19/169 ,  H04N19/119 ,  H04N19/187

Abstract: Provided is an inter-layer video decoding method including: obtaining subblock size information of a second layer image, which indicates a size of a subblock within a range less than or equal to a maximum size of a coding unit; determining a size of a subblock from a range equal to or greater than a minimum size of the coding unit and less than or equal to the maximum size of the coding unit by using the size information; determining a candidate block that corresponds to a current block included in the second layer image and is included in a first layer image different from the second layer image; obtaining motion information of a subblock of the first layer image corresponding to a subblock of the second layer image, when at least one subblock of the second layer image determined by using the size of the subblock is obtained from the current block; obtaining or predicting motion information of the current block by using the motion information of the subblock of the first layer image, and decoding the current block by using the obtained or predicted motion information of the current block, wherein the subblock of the first layer image is determined to be located in a region inside the candidate block.

Abstract translation: 提供了一种层间视频解码方法，包括：获得指示小于或等于编码单元的最大大小的范围内的子块的大小的第二层图像的子块尺寸信息; 通过使用所述尺寸信息，从等于或大于所述编码单元的最小尺寸的范围确定子块的尺寸并小于或等于所述编码单元的最大尺寸; 确定对应于包括在第二层图像中的当前块的候选块并且被包括在不同于第二层图像的第一层图像中; 当从当前块获得通过使用子块的大小确定的第二层图像的至少一个子块时，获得与第二层图像的子块相对应的第一层图像的子块的运动信息; 通过使用第一层图像的子块的运动信息来获取或预测当前块的运动信息，并且通过使用所获得或预测的当前块的运动信息来解码当前块，其中第一层图像的子块是 被确定为位于候选块内的区域中。

公开(公告)号：US20160249059A1

公开(公告)日：2016-08-25

申请号：US15098544

申请日：2016-04-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE ,  Ho-cheon WEY ,  Yong-jin CHO ,  Byeong-doo CHOI

IPC: H04N19/159 ,  H04N19/186 ,  H04N19/597 ,  H04N19/187 ,  H04N19/30 ,  H04N19/105 ,  H04N19/176

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597 ,  H04N19/96

Abstract: An inter-layer video decoding method according to an embodiment may include: reconstructing a color image and a depth image of a first layer based on encoding information about the color image and the depth image of the first layer obtained from a bitstream; when it is determined that a prediction mode of a current block of a second layer image to be decoded is a view synthesized prediction mode wherein prediction is performed based on an image synthesized from the first layer image, determining whether to perform luminance compensation on the second layer current block to be reconstructed; and reconstructing the current block by determining whether to apply a view synthesized prediction mode to the current block, according to a result of the determining of whether to perform the luminance compensation.

Abstract translation: 根据实施例的层间视频解码方法可以包括：基于从比特流获得的关于彩色图像和第一层的深度图像的编码信息重建第一层的彩色图像和深度图像; 当确定要解码的第二层图像的当前块的预测模式是基于从第一层图像合成的图像执行预测的视图合成预测模式时，确定是否对第二层图像执行亮度补偿 要重构的层电流块; 以及根据确定是否进行亮度补偿的结果，通过确定是否将视点合成预测模式应用于当前块来重构当前块。