公开(公告)号：US20220248028A1

公开(公告)日：2022-08-04

申请号：US17728222

申请日：2022-04-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minwoo PARK ,  Minsoo Park ,  Narae Choi ,  Seungsoo Jeong ,  Anish Tamse

IPC: H04N19/137 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176

Abstract: A video decoding method includes, determining a center motion vector of a current block by using a base motion vector of the current block based on affine model-based inter-prediction being performed in the current block, determining a reference range of an area to be referred to, with respect to the current block, based on a size of the current block, based on a reference area having a size of the reference range with respect to a point in a reference picture of the current block, the point being indicated by a central motion vector of the current block, deviating from or including a boundary of the reference picture, changing the reference area by parallelly translating the reference area into a current picture, and determining prediction samples of sub-blocks of the current block in the changed reference area from the reference picture.

公开(公告)号：US11259044B2

公开(公告)日：2022-02-22

申请号：US17272537

申请日：2019-09-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungsoo Jeong ,  Minsoo Park ,  Minwoo Park ,  Kiho Choi ,  Yinji Piao

IPC: H04N11/02 ,  H04N19/56 ,  H04N19/109 ,  H04N19/176

Abstract: Provided is a video decoding method including: determining a prediction mode of a current block to be one of a skip mode and a merge mode; when a motion vector, which is determined from a merge candidate list of the current block, and a merge motion vector difference are to be used, obtaining merge candidate information indicating one candidate in the merge candidate list by performing entropy encoding on a bitstream by applying one piece of context information; determining a base motion vector from one candidate determined from the merge candidate list, based on the merge candidate information; and determining a motion vector of the current block by using a distance index of a merge motion vector difference of the current block and a direction index of the merge motion vector difference to use the base motion vector and the merge motion vector difference.

公开(公告)号：US20250126292A1

公开(公告)日：2025-04-17

申请号：US19002238

申请日：2024-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/593 ,  H04N19/11 ,  H04N19/132 ,  H04N19/136 ,  H04N19/176 ,  H04N19/82

Abstract: A video decoding method includes predicting a current block according to an intra prediction mode of the current block, determining whether to apply position dependent intra prediction filtering to the current block according to the intra prediction mode of the current block, when the position dependent intra prediction filtering is applied to the current block, determining at least one of an upper reference sample, a left reference sample, an upper weight, and a left weight for the position dependent intra prediction filtering of a current sample of the current block according to the intra prediction mode of the current block, and applying the position dependent intra prediction filtering to the current sample of the current block according to at least one of the upper reference sample, the left reference sample, the upper weight, and the left weight.

公开(公告)号：US20250080771A1

公开(公告)日：2025-03-06

申请号：US18950458

申请日：2024-11-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/573 ,  H04N19/105 ,  H04N19/117 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70

Abstract: A method of decoding motion information may include: obtaining, from a bitstream, change information indicating whether to change motion information of a neighboring block; when the change information indicates a change of the motion information and a higher block is able to use one reference picture list, identifying the number of pictures included in the reference picture list of the current block; selecting, as a reference picture of the current block, a reference picture of the neighboring block based on the number of pictures; when the reference picture of the neighboring block is selected as the reference picture of the current block, obtaining a motion vector of the current block by applying an offset to a motion vector of the neighboring block; and reconstructing the current block by using a reference block indicated by the motion vector of the current block in the reference picture of the current block.

公开(公告)号：US12219174B2

公开(公告)日：2025-02-04

申请号：US18605375

申请日：2024-03-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/593 ,  H04N19/11 ,  H04N19/132 ,  H04N19/136 ,  H04N19/176 ,  H04N19/82

Abstract: A video decoding method includes predicting a current block according to an intra prediction mode of the current block, determining whether to apply position dependent intra prediction filtering to the current block according to the intra prediction mode of the current block, when the position dependent intra prediction filtering is applied to the current block, determining at least one of an upper reference sample, a left reference sample, an upper weight, and a left weight for the position dependent intra prediction filtering of a current sample of the current block according to the intra prediction mode of the current block, and applying the position dependent intra prediction filtering to the current sample of the current block according to at least one of the upper reference sample, the left reference sample, the upper weight, and the left weight.

公开(公告)号：US12132914B2

公开(公告)日：2024-10-29

申请号：US17835553

申请日：2022-06-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/119 ,  H04N19/132 ,  H04N19/176 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/119 ,  H04N19/132 ,  H04N19/176 ,  H04N19/593

Abstract: Provided are a video encoding or decoding method and apparatus, which, during video encoding and decoding processes, determine whether an intra prediction mode of the current block is a DC mode, when the intra prediction mode of the current block is the DC mode, in a case where lengths of a height and a width of the current block are the same, determine an average of upper reference samples of the current block and left reference samples of the current block, as a DC value, and in a case where the lengths of the height and the width of the current block are different from each other, determine a weighted average value, which is determined by determining an average of the upper reference samples of the current block as an upper DC value, determine an average of the left reference samples of the current block as a left DC value, and combining the upper value and the left DC value with a predetermined weight, as a DC value, and perform intra prediction on the current block, based on the DC value.

公开(公告)号：US12081745B2

公开(公告)日：2024-09-03

申请号：US17551483

申请日：2021-12-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Narae Choi ,  Minwoo Park ,  Minsoo Park

IPC: H04N19/117 ,  H04N19/107 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/82

CPC classification number: H04N19/117 ,  H04N19/107 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/82

Abstract: Provided is a video decoding method including: obtaining constrained prediction information indicating whether a constrained intra prediction mode is enabled; generating reconstructed samples of a current block by using prediction samples of the current block and residual samples of the current block; when the constrained intra prediction mode is enabled by the constrained prediction information and a prediction mode of a neighboring block is not an intra prediction mode, determining a padding value corresponding to a neighboring sample adjacent to outside of a boundary between the current block and the neighboring block, by using the reconstructed samples of the current block; and performing post-reconstruction filtering on the current block, by using the padding value corresponding to the neighboring sample.

公开(公告)号：US12079749B2

公开(公告)日：2024-09-03

申请号：US17946749

申请日：2022-09-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minsoo Park ,  Minwoo Park

IPC: G06Q10/063 ,  G06Q10/0631 ,  G06Q10/0637 ,  G06Q10/0639 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46

CPC classification number: G06Q10/06312 ,  G06Q10/0637 ,  G06Q10/0639 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46

Abstract: An image decoding method may include obtaining a first coded block flag, when the first coded block flag of the current coding unit indicates that the current coding unit comprises the one or more non-zero significant transform coefficients, identifying whether at least one of a height and a width of the current coding unit is greater than a predetermined size, based on whether the at least one of the height and the width of the current coding unit is greater than the predetermined size, obtaining at least one transform unit, when the at least one of the height and the width of the current coding unit is greater than the predetermined size, obtaining a second coded block flag, obtaining a residual signal of the block of the luma component based on the second coded block flag, and reconstructing the current coding unit based on the residual signal.

公开(公告)号：US12022073B2

公开(公告)日：2024-06-25

申请号：US17426981

申请日：2020-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minsoo Park ,  Minwoo Park ,  Heechul Yang

IPC: H04N19/119 ,  H04N19/14 ,  H04N19/146 ,  H04N19/176

CPC classification number: H04N19/119 ,  H04N19/14 ,  H04N19/146 ,  H04N19/176

Abstract: A video decoding method includes: determining a largest size of a coding unit and a smallest size of the coding unit by using information about the largest size of the coding unit and information about the smallest size of the coding unit, the information being obtained from a bitstream; obtaining, from the bitstream, information about a largest size of a block allowed to be ternary split and information about a smallest size of the block allowed to be ternary split, determining the largest size of the block allowed to be ternary split, determining the smallest size of the block allowed to be ternary split, determining whether to ternary split a current block, and decoding blocks generated by ternary splitting the current block.

公开(公告)号：US12006144B2

公开(公告)日：2024-06-11

申请号：US17517963

申请日：2021-11-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Gyeongdam Baek ,  Minsoo Park ,  Seungjun Lee ,  Mingu Chang ,  Byungkook Yoo ,  Hujong Lee ,  Jimin Choi

IPC: B65G1/04 ,  B65G23/22 ,  B65G23/24

CPC classification number: B65G1/0457 ,  B65G23/22 ,  B65G23/24 ,  B65G2201/0297 ,  B65G2812/02148

Abstract: An apparatus for storage of a carrying material, includes: a body frame; a plurality of loading members installed on the body frame and disposed such that a carrying material forms a plurality of layers in upper and lower directions; a driving unit connected to at least one of the plurality of loading members; and an auxiliary coupling unit provided in a portion of the plurality of loading members for attachment and detachment to and from a neighboring loading member, wherein the plurality of loading members are provided with a plurality of first loading members fixedly installed at a lower end portion of the body frame, and a plurality of second loading members disposed above the first loading member and movably installed on the body frame, wherein the driving unit is connected to at least one of the plurality of second loading members, wherein the auxiliary coupling unit includes an electromagnet installed at one end of the second loading members, and a magnetic body installed at the other end of the second loading members and the body frame to correspond to the electromagnet.