公开(公告)号：US20150256833A1

公开(公告)日：2015-09-10

申请号：US14640621

申请日：2015-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon KIM ,  Ki-won YOO ,  Chang-su HAN ,  Sang-kwon NA ,  Hyung-ju CHUN

IPC: H04N19/132 ,  H04N19/17 ,  H04N19/159 ,  H04N19/167

CPC classification number: H04N19/132 ,  H04N19/159 ,  H04N19/167 ,  H04N19/17

Abstract: A video encoding method includes: receiving an image; up-sampling the received image; and changing a sample value of an up-sampling region included in the up-sampled image and encoding the up-sampled image by using the changed sample value, wherein the up-sampling region is a region inserted into the received image by the up-sampling.

Abstract translation: 视频编码方法包括：接收图像; 对接收到的图像进行上采样; 并且通过使用所述改变的采样值来改变包括在所述上采样图像中的上采样区域的采样值并对所述上采样图像进行编码，其中所述上采样区域是通过所述上取样区域插入到所接收的图像中的区域， 采样。

公开(公告)号：US20170251220A1

公开(公告)日：2017-08-31

申请号：US15519620

申请日：2015-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyung-ju CHUN ,  Chan-sik PARK ,  Ki-won YOO ,  Jae-moon KIM

IPC: H04N19/513 ,  H04N19/44 ,  H04N19/172 ,  H04N19/436 ,  H04N19/176

CPC classification number: H04N19/513 ,  H04N19/105 ,  H04N19/156 ,  H04N19/172 ,  H04N19/176 ,  H04N19/436 ,  H04N19/44

Abstract: A video decoding method includes obtaining a motion vector of a current block belonging to a first picture from a bitstream, performed by a first decoding unit; determining whether a reference block indicated by the motion vector is decoded, performed by the first decoding unit; and decoding the current block, based on whether the reference block is decoded. The reference block is included in a second picture decoded by a second decoding unit. The first picture and the second picture are decoded in parallel.

公开(公告)号：US20170155922A1

公开(公告)日：2017-06-01

申请号：US15321988

申请日：2015-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-won YOO ,  Jae-moon KIM ,  Sang-kwon NA

IPC: H04N19/59 ,  H04N19/172 ,  H04N19/96 ,  H04N19/119 ,  H04N19/157

CPC classification number: H04N19/59 ,  H04N19/119 ,  H04N19/157 ,  H04N19/167 ,  H04N19/172 ,  H04N19/96

Abstract: Provided is a video encoding method including: performing padding outside an input image such that a size of the input image is a multiple of a maximum coding unit; when a current maximum coding unit includes a padding area generated via the padding, determining a coding unit by splitting the current maximum coding unit by using a boundary of the input image and the padding area; determining information indicating whether a coding unit included in the padding area includes a nonzero coefficient to be 0; and encoding a bitstream including the determined information.

公开(公告)号：US20140328388A1

公开(公告)日：2014-11-06

申请号：US14336072

申请日：2014-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon KIM ,  Ki-won YOO ,  Jae-Hyun KIM ,  Kyo-hyuk LEE

IPC: H04N19/105 ,  H04N19/176 ,  H04N19/139

CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/577

Abstract: Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The method of encoding includes: determining, for a current block, bidirectional motion estimation information comprising an L0 motion vector, an L1 motion vector, an L0 reference vector, and an L1 reference picture by performing bidirectional motion estimation on the current block; determining whether to use the determined bidirectional motion estimation information as prediction information of the current block based on whether the L0 reference picture and the L1 reference picture are the same and based on a difference value between the L0 motion vector and the L1 motion vector; and in response to determining to use the determined bidirectional motion estimation information as the prediction information of the current block, encoding the determined bidirectional motion estimation information as the prediction information of the current block.

Abstract translation: 提供了一种用于对视频进行编码的方法和装置以及用于对视频进行解码的方法和装置。 编码方法包括：通过对当前块执行双向运动估计，为当前块确定包括L0运动矢量，L1运动矢量，L0参考矢量和L1参考图像的双向运动估计信息; 基于L0参考图像和L1参考图像是否相同并且基于L0运动矢量和L1运动矢量之间的差值，确定是否使用所确定的双向运动估计信息作为当前块的预测信息; 并且响应于确定使用所确定的双向运动估计信息作为当前块的预测信息，将所确定的双向运动估计信息编码为当前块的预测信息。

公开(公告)号：US20180167614A1

公开(公告)日：2018-06-14

申请号：US15574536

申请日：2016-06-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-sik PARK ,  Jae-moon KIM

IPC: H04N19/119 ,  H04N19/117 ,  H04N19/463 ,  H04N19/176

Abstract: A method of performing embedded compression (EC) on image data includes receiving decoded image data; determining a block size of image data waiting for embedded compression from among the received image data; and comparing the determined block size of the image data waiting for embedded compression with an EC block size that is an embedded compression unit, the method further including: if the determined block size of the image data waiting for embedded compression is equal to or greater than the EC block size, embedding and compressing the received image data; and if the determined block size of the image data waiting for embedded compression is smaller than the EC block size, storing tag information of the received image data.

公开(公告)号：US20170019672A1

公开(公告)日：2017-01-19

申请号：US15123888

申请日：2014-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon KIM ,  Ki-won YOO ,  Sung-dae KIM ,  Chang-su HAN

IPC: H04N19/186 ,  H04N19/132 ,  H04N19/59

CPC classification number: H04N19/186 ,  H04N19/126 ,  H04N19/132 ,  H04N19/59

Abstract: Disclosed is a video data decoding method comprising receiving a bitsream comprising encoded image information; decoding an image based on the encoded image information and obtaining luma data allocated to luma channels comprising a plurality of channels and chroma data allocated to a chroma channel comprising one channel from data generated by decoding the image; merging the obtained luma data as luma data having one component; splitting the obtained chroma data into chroma data having a plurality of components; and reconstructing the image based on the luma data having one component generated by merging the obtained luma data and the split chroma data having the plurality of components.

Abstract translation: 公开了一种视频数据解码方法，包括：接收包括编码图像信息的比特流; 基于编码图像信息对图像进行解码，并且从通过解码图像生成的数据获得分配给包括多个信道的亮度信道和分配给包括一个信道的色度信道的色度数据的亮度数据; 将获得的亮度数据合并为具有一个分量的亮度数据; 将获得的色度数据分割成具有多个分量的色度数据; 并且基于具有通过合并所获得的亮度数据和具有多个分量的分割色度数据而生成的一个分量的亮度数据重建图像。

公开(公告)号：US20160191920A1

公开(公告)日：2016-06-30

申请号：US14910887

申请日：2014-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon KIM ,  Sung-oh KIM ,  Ki-won YOO ,  Hyung-ju CHUN

IPC: H04N19/137 ,  H04N19/96 ,  H04N19/176 ,  H04N19/196 ,  H04N19/119

Abstract: Provided are a method and apparatus for determining a merge mode by using motion information of a previous prediction unit. The method of determining a merge mode includes obtaining a merge mode cost of a lower depth based on a merge mode cost of a coding unit of an upper depth obtained by using motion information of a merge mode of the coding unit of the upper depth corresponding to a merge mode of the coding unit of the lower depth.

Abstract translation: 提供了一种通过使用先前预测单元的运动信息来确定合并模式的方法和装置。 确定合并模式的方法包括：通过使用通过使用对应于上一个深度的上述深度的编码单位的合并模式的运动信息获得的上层深度的编码单位的合并模式成本来获得较低深度的合并模式成本 较低深度的编码单元的合并模式。

公开(公告)号：US20200036966A1

公开(公告)日：2020-01-30

申请号：US15735042

申请日：2016-06-08

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Sang-kwon NA ,  Soo-ik CHAE ,  Ki-won YOO ,  Jae-moon KIM ,  Woo-seok JEONG

IPC: H04N19/103 ,  H04N19/176 ,  H04N19/59

Abstract: Provided is a video decoding method including obtaining a residue of a first bit-depth with respect to a current block by decoding a bitstream; when intra predicting the current block, generating a prediction block of the current block by using a block that is previously decoded at the first bit-depth and then stored in a buffer; and generating a reconstruction block of the first bit-depth by using the prediction block and the residue of the first bit-depth. When the current block is inter predicted, the video decoding method may further include generating a prediction block of a second bit-depth by using an image previously decoded at the second bit-depth, and generating the prediction block of the current block by changing the generated prediction block of the second bit-depth to the first bit-depth. The first bit-depth is higher than the second bit-depth.

公开(公告)号：US20170310976A1

公开(公告)日：2017-10-26

申请号：US15513230

申请日：2015-09-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-kwon NA ,  Sung-oh KIM ,  Jae-moon KIM ,  Ki-won YOO

IPC: H04N19/176 ,  H04N19/61 ,  H04N19/58 ,  H04N19/517 ,  H04N19/423 ,  H04N19/91 ,  H04N19/172

CPC classification number: H04N19/176 ,  H04N19/172 ,  H04N19/423 ,  H04N19/46 ,  H04N19/513 ,  H04N19/517 ,  H04N19/58 ,  H04N19/61 ,  H04N19/91

Abstract: Provided is a video decoding method for reconstructing an image, the video decoding method including: obtaining reference image data from a bitstream; determining an attribute of the reference image data as a long-term reference attribute or a short-term reference attribute, according to a frequency of referring to the reference image data by image data to be decoded; storing the reference image data in a memory by using the attribute of the reference image data; and decoding an image by using the reference image data stored in the memory.

公开(公告)号：US20170223352A1

公开(公告)日：2017-08-03

申请号：US15500756

申请日：2015-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-dae KIM ,  Ki-won YOO ,  Jae-moon KIM ,  Sang-kwon NA

IPC: H04N19/117 ,  H04N19/176 ,  H04N19/182 ,  H04N19/13

CPC classification number: H04N19/117 ,  H04N19/13 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/82

Abstract: A video encoding apparatus comprises an encoder encoding input video; a decoder decoding video data, and a filter to compensate for a pixel value of the encoded video data. An adaptive loop filter (ALF) parameter predictor generates an ALF filter parameter using the decoded video data. The ALF filter parameter is applied to an ALF filter to compensate a current pixel by using a pixel adjacent to the current pixel and a filter coefficient with respect to the neighboring pixel; a sample adaptive offset (SAO) filter unit applied to the decoded video data compensates for a current pixel by using at least one of an edge offset and a band offset; an ALF filter unit applies the ALF filter parameter, the ALF filter to video data to which the SAO filter has been applied; and an entropy encoder performs entropy encoding on the ALF filter parameter.