公开(公告)号：US12008769B2

公开(公告)日：2024-06-11

申请号：US17294000

申请日：2019-11-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dubok Park ,  Kwanghyun Won ,  Tammy Lee

IPC: G06T7/20 ,  G06T3/40 ,  G06T7/00

CPC classification number: G06T7/20 ,  G06T3/40 ,  G06T7/97

Abstract: Provided is an image processing apparatus including a memory storing one or more instructions, and a processor executing the one or more instructions stored in the memory, wherein the processor retargets a current frame image, based on a first scale factor for a previous frame image, a second scale factor for the current frame image, and a weight determined based on previous frame image data and current frame image data.

公开(公告)号：US11825234B2

公开(公告)日：2023-11-21

申请号：US17256560

申请日：2019-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Iljun Ahn ,  Yongsup Park ,  Jaeyeon Park ,  Tammy Lee ,  Minsu Cheon

IPC: H04N7/01 ,  G06N3/08 ,  G06T3/40 ,  G06T5/00 ,  G06F18/22 ,  G06N3/045

CPC classification number: H04N7/0117 ,  G06F18/22 ,  G06N3/045 ,  G06N3/08 ,  G06T3/4007 ,  G06T3/4046 ,  G06T5/002 ,  G06T2207/10016 ,  G06T2207/20084 ,  G06T2207/20182

Abstract: Provided is an image processing apparatus for generating a high-resolution image. The image processing apparatus includes a memory storing one or more instructions and a processor configured to execute the one or more instructions stored in the memory, wherein the processor is configured to extract feature information regarding a low-resolution image of a current frame by using a first convolutional neural network, generate, based on the feature information, a first high-resolution image of the current frame, remove flickering of the first high-resolution image by using a high-resolution image of a previous frame, and remove flickering of a high-resolution image of a next frame by using at least one of a flickering-removed second high-resolution image of the current frame, or the feature information.

公开(公告)号：US11595684B2

公开(公告)日：2023-02-28

申请号：US17197872

申请日：2021-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Jianle Chen

IPC: H04N19/52 ,  H04N19/513 ,  H04N19/517 ,  H04N19/105 ,  H04N19/139 ,  H04N19/65 ,  H04N19/176

Abstract: Provided are methods and apparatus for encoding and decoding motion information. The method of encoding motion information includes: obtaining a motion information candidate by using motion information of prediction units that are temporally or spatially related to a current prediction unit; adding, when the number of motion information included in the motion information candidate is smaller than a predetermined number n, alternative motion information to the motion information candidate so that the number of motion information included in the motion information candidate reaches the predetermined number n; determining motion information with respect to the current prediction unit from among the n motion information candidates; and encoding index information indicating the determined motion information as motion information of the current prediction unit.

公开(公告)号：US11070811B2

公开(公告)日：2021-07-20

申请号：US16820191

申请日：2020-03-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

IPC: H04N19/13 ,  H04N19/46 ,  H04N19/593 ,  H04N19/463 ,  H04N19/186 ,  H04N19/119 ,  H04N19/11 ,  H04N19/154

Abstract: Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

公开(公告)号：US10419751B2

公开(公告)日：2019-09-17

申请号：US16232156

申请日：2018-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang-Hyun Lee ,  Tammy Lee ,  Jianle Chen ,  Dae-sung Cho ,  Woo-jin Han ,  Il-koo Kim

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/103 ,  H04N19/57 ,  H04N19/46 ,  H04N19/61 ,  H04N19/176 ,  H04N19/119

Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method includes: prediction encoding in units of a coding unit as a data unit for encoding a picture, by using partitions determined based on a first partition mode and a partition level, so as to select a partition for outputting an encoding result from among the determined partitions; and encoding and outputting partition information representing a first partition mode and a partition level of the selected partition. The first partition mode represents a shape and directionality of a partition as a data unit for performing the prediction encoding on the coding unit, and the partition level represents a degree to which the coding unit is split into partitions for detailed motion prediction.

公开(公告)号：US10218982B2

公开(公告)日：2019-02-26

申请号：US15874347

申请日：2018-01-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-Jin Han ,  Il-Koo Kim

IPC: H04N19/146 ,  H04N19/109 ,  H04N19/117 ,  H04N19/157 ,  H04N19/82 ,  H04N19/172 ,  H04N19/184 ,  H04N19/105 ,  H04N19/124 ,  H04N19/13 ,  H04N19/14 ,  H04N19/159 ,  H04N19/51 ,  H04N19/61 ,  H04N19/86 ,  H04N19/119 ,  H04N19/182

Abstract: A method of decoding video, the method including receiving and parsing a bitstream which includes encoded video; extracting encoded image data relating to a current picture, which image data is assigned to at least one maximum coding unit, information relating to a coded depth and an encoding mode for each of the at least one maximum coding unit, and filter coefficient information for performing loop filtering on the current picture, from the bitstream; decoding the encoded image data in units of the at least one maximum coding unit, based on the information relating to the coded depth and the encoding mode for each of the at least one maximum coding unit; and performing deblocking on the decoded image data relating to the current picture, and performing loop filtering on the deblocked data, based on continuous one-dimensional (1D) filtering.

公开(公告)号：US10075730B2

公开(公告)日：2018-09-11

申请号：US14724117

申请日：2015-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Jianle Chen

IPC: H04N19/51 ,  H04N19/13 ,  H04N19/61 ,  H04N19/91 ,  H04N19/52 ,  H04N19/593 ,  H04N19/82 ,  H04N19/96

CPC classification number: H04N19/52 ,  H04N19/13 ,  H04N19/51 ,  H04N19/593 ,  H04N19/61 ,  H04N19/82 ,  H04N19/91 ,  H04N19/96

Abstract: Provided are a method and apparatus for intra predicting an image, which generate a prediction value via linear interpolation in horizontal and vertical directions of a current prediction unit. The method includes: generating first and second virtual pixels by using at least one adjacent pixel located upper right and lower left to a current prediction unit; obtaining a first prediction value of a current pixel via linear interpolation using an adjacent left pixel located on the same line as the first virtual pixel and the current pixel; obtaining a second prediction value of the current pixel via linear interpolation using an adjacent upper pixel located on the same column as the second virtual pixel and the current pixel; and obtaining a prediction value of the current pixel by using the first and second prediction values.

公开(公告)号：US10045043B2

公开(公告)日：2018-08-07

申请号：US14724333

申请日：2015-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Jianle Chen

IPC: H04N19/51 ,  H04N19/91 ,  H04N19/13 ,  H04N19/61 ,  H04N19/52 ,  H04N19/593 ,  H04N19/82 ,  H04N19/96

Abstract: Provided are a method and apparatus for intra predicting an image, which generate a prediction value via linear interpolation in horizontal and vertical directions of a current prediction unit. The method includes: generating first and second virtual pixels by using at least one adjacent pixel located upper right and lower left to a current prediction unit; obtaining a first prediction value of a current pixel via linear interpolation using an adjacent left pixel located on the same line as the first virtual pixel and the current pixel; obtaining a second prediction value of the current pixel via linear interpolation using an adjacent upper pixel located on the same column as the second virtual pixel and the current pixel; and obtaining a prediction value of the current pixel by using the first and second prediction values.

公开(公告)号：US10045025B2

公开(公告)日：2018-08-07

申请号：US15496818

申请日：2017-04-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee

IPC: H04N19/124 ,  H04N19/176 ,  H04N19/61 ,  H04N19/463 ,  H04N19/436 ,  H04N19/70 ,  H04N19/174 ,  H04N19/184 ,  H04N19/86

Abstract: A method of decoding a video includes determining an initial value of a quantization parameter (QP) used to perform inverse quantization on coding units included in a slice segment, based on syntax obtained from a bitstream; determining a slice-level initial QP for predicting the QP used to perform inverse quantization on the coding units included in the slice segment, based on the initial value of the QP; and determining a predicted QP of a first quantization group of a parallel-decodable data unit included in the slice segment, based on the slice-level initial QP.

公开(公告)号：US09883186B2

公开(公告)日：2018-01-30

申请号：US15369958

申请日：2016-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Kyo-hyuk Lee

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/147 ,  H04N19/513 ,  H04N19/61 ,  H04N19/96 ,  H04N19/117 ,  H04N19/124 ,  H04N19/159 ,  H04N19/86 ,  H04N19/184

CPC classification number: H04N19/139 ,  H04N19/105 ,  H04N19/117 ,  H04N19/124 ,  H04N19/147 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/865 ,  H04N19/96

Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector including a method of decoding that includes obtaining a current coding unit hierarchically split from a maximum coding unit according to a current depth, obtaining a prediction mode information of a current prediction unit in the current coding unit from bitstream, when a prediction mode of the current prediction unit is inter-prediction mode, determining motion vector predictor candidates from among motion vectors of neighboring prediction units adjacent to the current prediction unit, and determining a motion vector predictor of the current prediction unit from among the motion vector predictor candidates, wherein the neighboring prediction unit comprises a first block directly to the left side of a leftmost block among blocks located directly to a bottom side of the current prediction unit and a second block located directly to a upper side of the first block.