公开(公告)号：US20250088656A1

公开(公告)日：2025-03-13

申请号：US18960893

申请日：2024-11-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji PIAO ,  Jie CHEN ,  Elena ALSHINA

IPC: H04N19/52 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/635 ,  H04N19/64

Abstract: A video decoding method includes obtaining split information indicating whether to split a current block, splitting the current block into two or more lower blocks when the split information indicates to split the current block, obtaining encoding order information indicating an encoding order of the lower blocks of the current block, determining a decoding order of the lower blocks according to the encoding order information, and decoding the lower blocks according to the decoding order.

公开(公告)号：US20250039476A1

公开(公告)日：2025-01-30

申请号：US18916139

申请日：2024-10-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youxin CHEN ,  Longhai WU ,  Jie CHEN

IPC: H04N21/234 ,  G06T7/00 ,  G06V10/42 ,  H04N21/845

Abstract: The present disclosure discloses a video enhancement method and apparatus. The method includes: segmenting a target video into a plurality of groups of images, the images in the same group belonging to the same scene; determining, for each group of images, a matched video enhancement algorithm using a pre-trained quality assessment model, and performing video enhancement processing on the each group of images using the video enhancement algorithm; and sequentially splicing video enhancement processing results of all groups of images to obtain video enhancement data of the target video. With the present disclosure, the video enhancement processing effect can be improved and the video viewing experience can be improved.

公开(公告)号：US20240428371A1

公开(公告)日：2024-12-26

申请号：US18658694

申请日：2024-05-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Xin JIN ,  Ban CHEN ,  Longhai Wu ,  Jie CHEN ,  Jayoon KOO ,  Cheulhee HAHM

IPC: G06T3/18 ,  G06V10/74 ,  G06V10/82 ,  G06V20/40

Abstract: A method for generating a video intermediate frame includes performing a warp operation on a plurality of target video frames, based on a bidirectional optical flow between the plurality of target video frames, to obtain a plurality of pictures, determining a similarity between sub-pictures corresponding to image sub-regions in the plurality of pictures, predicting, based on the similarity, a network depth of a frame synthesis network matched with a corresponding image sub-region, the network depth increasing as the similarity decreases, performing synthetic processing, using the frame synthesis network, on corresponding sub-pictures of each of the image sub-regions, based on the network depth matched with the corresponding image sub-region, to obtain a plurality of images, and splicing the plurality of images to obtain intermediate frames of the plurality of target video frames, based on each of the image sub-regions.

公开(公告)号：US20180324461A1

公开(公告)日：2018-11-08

申请号：US15773101

申请日：2016-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jie CHEN ,  Jin-young LEE

IPC: H04N19/597 ,  H04N19/159 ,  H04N19/187 ,  H04N19/70 ,  H04N19/107 ,  H04N13/161

CPC classification number: H04N19/597 ,  H04N13/161 ,  H04N19/107 ,  H04N19/159 ,  H04N19/187 ,  H04N19/70

Abstract: Provided are methods and apparatuses for encoding and decoding video. The method of decoding video includes determining a type of an upper-layer data unit including a current coding unit in a hierarchical structure of a data unit; and obtaining, from a bitstream, intra-frame skip mode information of the current coding unit, according to the determined type of the upper-layer data unit, wherein, according to different types of the upper-layer data unit, the intra-frame skip mode information is expressed as code words having different lengths in the bitstream.

公开(公告)号：US20180242021A1

公开(公告)日：2018-08-23

申请号：US15955411

申请日：2018-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jie CHEN ,  Xing guo ZHU ,  Lu YU

IPC: H04N19/625 ,  H04N19/70 ,  H04N19/176 ,  H04N19/96 ,  H04N19/122 ,  H04N19/154

Abstract: Provided are a signal transforming method and a signal transforming device. For example, the signal transforming method includes determining a minimum-value matrix and a maximum-value matrix with respect to elements of a matrix used in frequency transformation, wherein the minimum-value matrix is configured of elements of minimum value and the maximum-value matrix is configured of elements of maximum value; determining a maximum threshold value of a result value of a function indicating at least one selected from transform distortion, normalization, and orthogonality of the matrix; determining a transform matrix configured of elements that are greater than the elements of the minimum-value matrix and less than the elements of the maximum-value matrix at respective positions of the matrix, and in which the result value of the function is less than the maximum threshold value; and transforming an input signal by using the determined transform matrix.

公开(公告)号：US20160134886A1

公开(公告)日：2016-05-12

申请号：US14898291

申请日：2014-06-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jie CHEN ,  Il-koo KIM

IPC: H04N19/52 ,  H04N19/176 ,  H04N19/136 ,  H04N19/44

CPC classification number: H04N19/52 ,  H04N19/136 ,  H04N19/176 ,  H04N19/44 ,  H04N19/503

Abstract: Provided is a method for obtaining motion information in video encoding/decoding, which includes calculating a first predictor of a motion vector of a current block/sub-block according to a motion vector of each reference block in a first reference block set of the current block/sub-block; determining a first motion vector difference between a motion vector of each reference block in a second reference block set of the current block/sub-block and a first predictor of the motion vector of the reference block in the second reference block set of the current block/sub-block; predicting a first motion vector difference between the motion vector of the current block/sub-block and the first predictor of the motion vector of the current block/sub-block according to the first motion vector difference of each reference block in the second reference block set to obtain a predictor of the first motion vector difference of the current block/sub-block; and determining a second predictor of the motion vector of the current block/sub-block according to the predictor of the first motion vector difference of the current block/sub-block and the first predictor of the motion vector of the current block/sub-block. The method makes it possible to improve encoding/decoding performance.

Abstract translation: 提供了一种用于获得视频编码/解码中的运动信息的方法，其包括根据当前的第一参考块集合中的每个参考块的运动矢量来计算当前块/子块的运动矢量的第一预测器 块/子块 确定当前块/子块的第二参考块集合中的每个参考块的运动矢量与当前块的第二参考块集合中的参考块的运动矢量的第一预测器之间的第一运动矢量差 /子块; 根据第二参考块中的每个参考块的第一运动矢量差来预测当前块/子块的运动矢量与当前块/子块的运动矢量的第一预测器之间的第一运动矢量差 设置为获得当前块/子块的第一运动矢量差的预测器; 以及根据当前块/子块的当前块/子块的运动矢量的第一运动矢量差的预测器和当前块/子块的运动矢量的第一预测器，确定当前块/子块的运动矢量的第二预测器， 块。 该方法可以提高编码/解码性能。

公开(公告)号：US20240212235A1

公开(公告)日：2024-06-27

申请号：US18405696

申请日：2024-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sukun YOON ,  Jie CHEN ,  Longhai WU ,  Juan LIU ,  Minji KIM ,  Jinho KIM ,  Hyungsuk LEE

IPC: G06T11/20 ,  G06T7/13 ,  G06T11/60 ,  G06V10/74

CPC classification number: G06T11/203 ,  G06T7/13 ,  G06T11/60 ,  G06V10/761 ,  G06T2207/20164

Abstract: An electronic device includes: a memory storing at least one instruction; and at least one processor configured to execute the at least one instruction to: change a plurality of non-straight lines in a handwritten image to a plurality of straight lines, identify, based on the plurality of straight lines, a first corner in the handwritten image, identify, based on the first corner, a plurality of spaces in the handwritten image, and obtain a floor map image including the plurality of spaces.

公开(公告)号：US20230334819A1

公开(公告)日：2023-10-19

申请号：US18213073

申请日：2023-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongning HAO ,  Guotao SHEN ,  Xiaoli ZHU ,  Qiang HUANG ,  Longhai WU ,  Jie CHEN

IPC: G06V10/60 ,  G06V10/75 ,  G06T7/70

CPC classification number: G06V10/60 ,  G06V10/757 ,  G06T7/70

Abstract: An illuminant estimation method, including acquiring two image frames, wherein a distance between the two image frames is greater than a predetermined distance; detecting shadows included in the two image frames, extracting pixel feature points corresponding to the shadows, determining point cloud information about the shadows, and distinguishing a point cloud of each shadow based on the point cloud information about the shadows; acquiring point cloud information about multiple objects, and distinguishing a point cloud of each object based on the point cloud information corresponding to the multiple objects; matching the point cloud of the each shadow and the point cloud of the each object in order to determine corresponding shadows associated with the multiple objects; and determining a position of an illuminant according to a positional relation between the multiple objects and the corresponding shadows.

公开(公告)号：US20220076674A1

公开(公告)日：2022-03-10

申请号：US17417720

申请日：2019-12-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongchao WU ,  Jie CHEN

IPC: G10L15/22 ,  G10L15/08

Abstract: According to an embodiment, an electronic device is provided. The electronic device includes: at least one processor; and a memory comprising instructions, which when executed, control the at least one processor to: receive a voice instruction of a user at the electronic device; transmit information regarding the voice instruction to a control device for identifying the user by mapping to a first voiceprint which is registered by another electronic device, a second voiceprint of the voice instruction of the user based on a voiceprint mapping model; and perform an operation corresponding to the voice instruction upon the identification of the user.

公开(公告)号：US20200099928A1

公开(公告)日：2020-03-26

申请号：US16467411

申请日：2017-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji PIAO ,  Jie CHEN

IPC: H04N19/119 ,  H04N19/176 ,  H04N19/13 ,  H04N19/159 ,  H04N19/61 ,  H04N19/11 ,  H04N19/80 ,  H04N19/105

Abstract: Provided is a video decoding method including obtaining split information indicating whether a current block is to be split; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks based on the encoding order information, and decoding the at least two lower blocks according to the decoding order.