公开(公告)号：US11910008B2

公开(公告)日：2024-02-20

申请号：US17962245

申请日：2022-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungsoo Jeong ,  Chanyul Kim ,  Minsoo Park ,  Minwoo Park ,  Kiho Choi ,  Narae Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/105 ,  H04N19/119 ,  H04N19/44 ,  H04N19/577

CPC classification number: H04N19/577 ,  H04N19/105 ,  H04N19/119 ,  H04N19/44

Abstract: A video decoding method includes determining, based on an area of a current block, whether a multi-prediction combination mode for predicting the current block by combining prediction results obtained according to a plurality of prediction modes is applied to the current block, when the multi-prediction combination mode is applied to the current block, determining the plurality of prediction modes to be applied to the current block, generating a plurality of prediction blocks of the current block, according to the plurality of prediction modes, and determining a combined prediction block of the current block, by combining the plurality of prediction blocks according to respective weights.

公开(公告)号：US11902513B2

公开(公告)日：2024-02-13

申请号：US17826898

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Narae Choi ,  Minwoo Park ,  Chanyul Kim ,  Minsoo Park ,  Yumi Sohn ,  Seungsoo Jeong ,  Kiho Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N11/02 ,  H04N19/11 ,  H04N19/176

CPC classification number: H04N19/11 ,  H04N19/176

Abstract: Provided are a video decoding method and apparatus and a video encoding method and apparatus which determine whether to use a Most Probable Mode (MPM) list, based on encoding information of a current block, obtain, from a bitstream, intra prediction mode index information indicating one of candidate intra prediction modes included in the MPM list, and determine an intra prediction mode of the current block by using the obtained intra prediction mode index information.

公开(公告)号：US20230388510A1

公开(公告)日：2023-11-30

申请号：US18328572

申请日：2023-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Narae CHOI ,  Minwoo Park ,  Minsoo Park ,  Seungsoo Jeong ,  Kiho Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/132 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46 ,  H04N19/80

CPC classification number: H04N19/132 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46 ,  H04N19/80

Abstract: Provided is a video decoding method including: obtaining, from a bitstream, intra prediction mode information indicating an intra prediction mode of a current block; determining an interpolation filter set to be used in prediction of the current block, based on at least one of a size of the current block and the intra prediction mode indicated by the intra prediction mode information; determining a reference location to which a current sample of the current block refers according to the intra prediction mode; determining, in the interpolation filter set, an interpolation filter that corresponds to the reference location; determining a prediction value of the current sample, according to reference samples of the current block and the interpolation filter; and reconstructing the current block, based on the prediction value of the current sample.

公开(公告)号：US20230119685A1

公开(公告)日：2023-04-20

申请号：US18081195

申请日：2022-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongchan Kim ,  Jinyoung Hwang ,  Yinji Piao

IPC: G06T7/70 ,  G06T9/00 ,  G06V10/25 ,  G06V10/44 ,  G06V10/74

Abstract: A processing device and an operating method of the processing device are provided. An embodiment of the present disclosure provides the processing device that obtains a reconstructed image of the raw image by compressing a raw image at a preset compression ratio, encoding the compressed raw image, and decoding the encoded image, recognizes, in the raw image, a target object and a first region of interest (ROI) including the target object and extracts a first feature vector from the target object recognized in the raw image, recognizes, in the reconstructed image, the target object and a second ROI including the target object and extracts a second feature vector from the target object recognized in the reconstructed image, determines whether the target object is recognized in the reconstructed image, based on a degree of overlap between the first and second ROIs and a degree of similarity between the first and second feature vectors, and adjusts the preset compression ratio according to whether the target object is recognized.

公开(公告)号：US20230038846A1

公开(公告)日：2023-02-09

申请号：US17962245

申请日：2022-10-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungsoo JEONG ,  Chanyul Kim ,  Minsoo Park ,  Minwoo Park ,  Kiho Choi ,  Narae Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/577 ,  H04N19/105 ,  H04N19/119 ,  H04N19/44

Abstract: A video decoding method includes determining, based on an area of a current block, whether a multi-prediction combination mode for predicting the current block by combining prediction results obtained according to a plurality of prediction modes is applied to the current block, when the multi-prediction combination mode is applied to the current block, determining the plurality of prediction modes to be applied to the current block, generating a plurality of prediction blocks of the current block, according to the plurality of prediction modes, and determining a combined prediction block of the current block, by combining the plurality of prediction blocks according to respective weights.

公开(公告)号：US11516483B2

公开(公告)日：2022-11-29

申请号：US17299193

申请日：2019-12-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woongil Choi ,  Gahyun Ryu ,  Minsoo Park ,  Minwoo Park ,  Seungsoo Jeong ,  Kwangpyo Choi ,  Kiho Choi ,  Narae Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/174 ,  H04N19/105 ,  H04N19/119 ,  H04N19/172 ,  H04N19/70

Abstract: Provided is a video decoding method including obtaining identification information of a first tile and identification information of a last tile from a bitstream, wherein the first and last tiles are included in a first slice, determining an index difference between the first tile and the last tile, based on a result of comparing the identification information of the first tile with the identification information of the last tile, determining the number of tiles included in the first slice, by using the index difference between the first tile and the last tile, and decoding a plurality of tiles included in the first slice according to an encoding order by using the number of tiles included in the first slice, the identification information of the first tile, and the identification information of the last tile.

公开(公告)号：US11470347B2

公开(公告)日：2022-10-11

申请号：US17054347

申请日：2019-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungsoo Jeong ,  Chanyul Kim ,  Minsoo Park ,  Minwoo Park ,  Kiho Choi ,  Narae Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/105 ,  H04N19/119 ,  H04N19/44 ,  H04N19/577

Abstract: A video decoding method includes determining, based on an area of a current block, whether a multi-prediction combination mode for predicting the current block by combining prediction results obtained according to a plurality of prediction modes is applied to the current block, when the multi-prediction combination mode is applied to the current block, determining the plurality of prediction modes to be applied to the current block, generating a plurality of prediction blocks of the current block, according to the plurality of prediction modes, and determining a combined prediction block of the current block, by combining the plurality of prediction blocks according to respective weights.

公开(公告)号：US20220295049A1

公开(公告)日：2022-09-15

申请号：US17826898

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Narae Choi ,  Minwoo Park ,  Chanyul Kim ,  Minsoo Park ,  Yumi Sohn ,  Seungsoo Jeong ,  Kiho Choi ,  Woongil Choi ,  Anish Tamse ,  Yinji Piao

IPC: H04N19/11 ,  H04N19/176

Abstract: Provided are a video decoding method and apparatus and a video encoding method and apparatus which determine whether to use a Most Probable Mode (MPM) list, based on encoding information of a current block, obtain, from a bitstream, intra prediction mode index information indicating one of candidate intra prediction modes included in the MPM list, and determine an intra prediction mode of the current block by using the obtained intra prediction mode index information.

公开(公告)号：US20140355690A1

公开(公告)日：2014-12-04

申请号：US14373496

申请日：2013-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-bum Choi ,  Tammy Lee ,  Il-koo Kim ,  Jeong-hoon Park ,  Jung-hye Min ,  Yinji Piao

IPC: H04N19/91 ,  H04N19/436 ,  H04N19/176

CPC classification number: H04N19/176 ,  H04N19/436 ,  H04N19/91 ,  H04N19/96

Abstract: Provided is a method of performing parallel entropy encoding and parallel entropy decoding by using a plurality of processors. The method includes: sequentially performing entropy encoding on a first row of blocks from among blocks that each have a predetermined size and are obtained by splitting and encoding an image, determining initial entropy coding probability information of a foremost block of a second row of blocks as entropy coding probability information updated by a block of a fixed position of the first row of blocks, sequentially performing entropy encoding on blocks of the second row of blocks which are serially arranged based on the initial entropy coding probability information, and after the entropy encoding is completed to a last block of the first row of blocks, initializing internal state information of an entropy encoded bit string of the first row of blocks.

Abstract translation: 提供了通过使用多个处理器来执行并行熵编码和并行熵解码的方法。 该方法包括：从每个具有预定大小的块中顺次执行对第一行块的熵编码，并通过分割和编码图像获得，确定第二行块的最前面的块的初始熵编码概率信息为 由第一行块的固定位置的块更新的熵编码概率信息，对基于初始熵编码概率信息串行排列的第二块块的块顺序执行熵编码，并且在熵编码之后 完成到第一行块的最后一个块，初始化第一行块的熵编码比特串的内部状态信息。

公开(公告)号：US12294742B2

公开(公告)日：2025-05-06

申请号：US18214197

申请日：2023-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Liang Wen ,  Weijing Shi ,  Lizhong Wang ,  Ying Zhang ,  Yinji Piao ,  Xiaoyan Lou

IPC: H04N19/80 ,  H04N19/124 ,  H04N19/137 ,  H04N19/182 ,  H04N19/46 ,  H04N19/85 ,  H04N19/86

Abstract: A video encoding method includes: based on at least one of first distortion aware information about a current encoding unit and second distortion aware information about a corresponding reference encoding unit, determining a first predicted value of the current encoding unit using at least one interpolation filter, wherein the at least one type of interpolation filter may include an artificial intelligence (AI) interpolation filter; and encoding the current encoding unit based on the first predicted value of the current encoding unit.