公开(公告)号：US20240276011A1

公开(公告)日：2024-08-15

申请号：US18427172

申请日：2024-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Giyong Choi ,  Minwoo Park ,  Kwangpyo Choi ,  Yinji Piao

IPC: H04N19/577 ,  H04N19/105 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/52 ,  H04N19/573

CPC classification number: H04N19/577 ,  H04N19/105 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/52 ,  H04N19/573

Abstract: An image decoding method, including: obtaining a motion vector of at least one temporal neighboring block included in at least one of a first reference picture and a second reference picture; deriving one or more motion vector candidates from the motion vector of the at least one temporal neighboring block, wherein each motion vector candidate of the one or more motion vector candidates includes a first motion vector indicating a block within the first reference picture and a second motion vector indicating a block within the second reference picture; selecting a motion vector candidate for a current interpolation block from among the one or more motion vector candidates; generating the current interpolation block using a first block within the first reference picture indicated by the first motion vector included in the selected motion vector candidate and a second block within the second reference picture indicated by the second motion vector included in the selected motion vector candidate; and reconstructing a current block using the current interpolation block.

公开(公告)号：US20240223783A1

公开(公告)日：2024-07-04

申请号：US18602566

申请日：2024-03-12

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

CPC classification number: 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：US20240073436A1

公开(公告)日：2024-02-29

申请号：US18238340

申请日：2023-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yinji Piao ,  Kyungah Kim ,  Minsoo Park ,  Minwoo Park ,  Kwangpyo Choi

IPC: H04N19/44 ,  H04N19/105 ,  H04N19/137 ,  H04N19/176

CPC classification number: H04N19/44 ,  H04N19/105 ,  H04N19/137 ,  H04N19/176

Abstract: Provided are an image decoding method and apparatus. The image decoding method includes identifying at least two neighboring sub-blocks that have a same motion vector and are adjacent to each other from among a plurality of neighboring sub-blocks adjacent to a current block, determining a representative motion vector and representative location information corresponding to the at least two neighboring sub-blocks, determining a parameter of a model for determining a motion vector based on the representative motion vector and the representative location information, determining a motion vector of a current sub-block included in the current block, based on location information of the current sub-block and the parameter, and predicting the current block based on the motion vector of the current sub-block wherein the representative motion vector is determined based on the same motion vector, and the representative location information indicates coordinates that are determined based on the at least two neighboring sub-blocks.

公开(公告)号：US20240054602A1

公开(公告)日：2024-02-15

申请号：US17893754

申请日：2022-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongseok Lee ,  Pilkyu Park ,  Kwangpyo Choi ,  Jaehwan Kim ,  Youngo Park ,  Chaeeun Lee

IPC: G06T3/40 ,  G06V10/77 ,  G06V10/56 ,  G06T7/00

CPC classification number: G06T3/4046 ,  G06V10/7715 ,  G06V10/56 ,  G06T7/0002 ,  G06T2207/30168 ,  G06T2207/20081

Abstract: An electronic apparatus includes: a display; and a processor configured to: obtain a first image, identify an application used to obtain the first image, select neural network setting information corresponding to the identified application from among a plurality of pieces of neural network setting information, obtain a second image by artificial intelligence (AI)-upscaling the first image by using an upscaling neural network to which the selected neural network setting information is applied, and output the obtained second image via the display.

公开(公告)号：US11823362B2

公开(公告)日：2023-11-21

申请号：US17097320

申请日：2020-11-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Pilkyu Park ,  Junghye Min ,  Kwangpyo Choi ,  Kyungah Kim ,  Tejas Nair ,  Yumi Sohn

IPC: G06T5/00 ,  H04N9/68 ,  G06T9/00 ,  G06N3/02 ,  G06F18/00 ,  G06N3/045 ,  H04N23/88

CPC classification number: G06T5/009 ,  G06F18/00 ,  G06N3/02 ,  G06N3/045 ,  G06T9/002 ,  H04N9/68 ,  H04N23/88 ,  G06T2207/20208

Abstract: A display apparatus and a controlling method thereof are disclosed. The display apparatus includes: a memory storing one or more instructions; and a processor configured to execute the stored one or more instructions to: obtain encoded data of a first digital image and artificial intelligence (AI) meta-information indicating a specification of a deep neural network (DNN), obtain a second digital image corresponding to the first digital image by decoding the encoded data, obtain a light signal converted from the second digital image according to a previously determined electro-optical transfer function (EOTF), and obtain a display signal by processing the light signal by using an opto-optical transfer function (OOTF) and a high dynamic range (HDR) DNN set according to the AI meta-information.

公开(公告)号：US11748847B2

公开(公告)日：2023-09-05

申请号：US17385995

申请日：2021-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngo Park ,  Yumi Sohn ,  Myungjin Eom ,  Kwangpyo Choi

IPC: G06T3/40 ,  H04N19/85 ,  H04L65/70 ,  H04L65/80 ,  H04L65/75

CPC classification number: G06T3/4046 ,  H04L65/70 ,  H04L65/762 ,  H04L65/80 ,  H04N19/85

Abstract: A terminal for receiving streaming data may receive information of a plurality of different quality versions of an image content; request, based on the information, a server for a version of the image content from among the plurality of different quality versions of the image content; when the requested version of the image content and artificial intelligence (AI) data corresponding to the requested version of the image content are received, determines whether to perform AI upscaling on the received version of the image content, based on the AI data; and based on a result of the determining whether to perform AI upscaling, performs AI upscaling on the received version of the image content through a upscaling deep neural network (DNN) that is trained jointly with a downscaling DNN of the server.

公开(公告)号：US11720997B2

公开(公告)日：2023-08-08

申请号：US16599291

申请日：2019-10-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minseok Choi ,  Kwangpyo Choi ,  Jaehwan Kim

IPC: G06T3/40 ,  H04N19/42 ,  H04N19/33 ,  G06N3/02 ,  H04N19/85

CPC classification number: G06T3/4046 ,  G06N3/02 ,  H04N19/33 ,  H04N19/42 ,  H04N19/85

Abstract: An artificial intelligence (AI) decoding apparatus includes a memory storing one or more instructions, and a processor configured to execute the stored one or more instructions to obtain image data corresponding to a first image that is downscaled from an original image by using first parameters of a first filter kernel included in a first deep neural network (DNN), reconstruct a second image corresponding to the first image, based on the obtained image data, and obtain a third image that is upscaled from the reconstructed second image, by performing an operation between the reconstructed second image and second parameters of a second filter kernel included in a second DNN corresponding to the first DNN. Each of the second parameters is represented by a product of a scale factor and one among integer values, and each of the integer values is 0 or ±2n, where n is an integer.

公开(公告)号：US20220232237A1

公开(公告)日：2022-07-21

申请号：US17713693

申请日：2022-04-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woongil Choi ,  Minwoo Park ,  Kwangpyo Choi ,  Kiho Choi

IPC: H04N19/46 ,  H04N19/189 ,  H04N19/184 ,  H04N19/176

Abstract: An image decoding method may include: receiving a bitstream generated as a result of encoding an image sequence; obtaining, from a sequence parameter set of the bitstream, a first tool set index indicating a tool allowed to decode the bitstream among a plurality of tools; obtaining, from the sequence parameter set, tool flags based on the tool flags, identifying a tool that has been used to encode the image sequence among the plurality of tools; and reconstructing the image sequence based on the identified tool, wherein values of the tool flags are set according to a value of the first tool set index.

公开(公告)号：US20220138904A1

公开(公告)日：2022-05-05

申请号：US17575691

申请日：2022-01-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehwan Kim ,  Jongseok Lee ,  Sunyoung Jeon ,  Kwangpyo Choi ,  Minseok Choi ,  Quockhanh Dinh ,  Youngo Park

IPC: G06T3/40 ,  G06T9/00 ,  G06N3/08 ,  H04N19/85 ,  G06N20/10

Abstract: An artificial intelligence (AI) decoding apparatus includes a memory storing one or more instructions, and a processor configured to execute the stored one or more instructions, to obtain image data corresponding to a first image that is encoded, obtain a second image corresponding to the first image by decoding the obtained image data, determine whether to perform AI up-scaling of the obtained second image, based on the AI up-scaling of the obtained second image being determined to be performed, obtain a third image by performing the AI up-scaling of the obtained second image through an up-scaling deep neural network (DNN), and output the obtained third image, and based on the AI up-scaling of the obtained second image being determined to be not performed, output the obtained second image.

公开(公告)号：US11200639B1

公开(公告)日：2021-12-14

申请号：US17237775

申请日：2021-04-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehwan Kim ,  Youngo Park ,  Kwangpyo Choi

IPC: G06T3/40 ,  G06N3/04 ,  G06N3/08 ,  G06T9/00

Abstract: An artificial intelligence (AI) encoding apparatus includes a processor configured to execute one or more instructions stored in the AI encoding apparatus to: input, to a downscale deep neural network (DNN), a first reduced image downscaled from an original image and a reduction feature map having a resolution lower than a resolution of the original image; obtain a first image AI-downscaled from the original image in the downscale DNN; generate image data by performing a first encoding process on the first image; and output the image data.