Patents by Inventor Jae-seob Shin
Jae-seob Shin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 12003736Abstract: Disclosed herein is a method for adaptive bidirectional optical flow estimation for inter prediction compensation during video encoding. The method aims to reduce complexity and/or cost of bidirectional optical flow (BIO) at a pixel level or a subblock level.Type: GrantFiled: February 17, 2022Date of Patent: June 4, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Hyo Song Kim, Se-hoon Son, Jae-seob Shin, Sun-young Lee
-
Patent number: 11997292Abstract: Disclosed herein is a method for adaptive bidirectional optical flow estimation for inter prediction compensation during video encoding. The method aims to reduce complexity and/or cost of bidirectional optical flow (BIO) at a pixel level or a subblock level.Type: GrantFiled: February 17, 2022Date of Patent: May 28, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Hyo Song Kim, Se-hoon Son, Jae-seob Shin, Sun-young Lee
-
Patent number: 11997285Abstract: A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information.Type: GrantFiled: December 27, 2022Date of Patent: May 28, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Tae Young Na, Se Hoon Son, Jae Seob Shin
-
Patent number: 11997255Abstract: A video decoding method for predicting a picture, which is split into equal-sized coding tree blocks, in units of blocks, the method includes: reconstructing a block vector for a current coding block in a current coding tree block to be decoded, by decoding block vector information from a bitstream, wherein the current coding block is one of blocks split from the current coding tree block in a tree structure; and setting, as a prediction block of the current coding block, a reference block indicated by the block vector in the picture in which the current coding block is located.Type: GrantFiled: March 16, 2020Date of Patent: May 28, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Kyung Hwan Ko, Jae Seob Shin
-
Patent number: 11991372Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.Type: GrantFiled: October 12, 2022Date of Patent: May 21, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
-
Patent number: 11991365Abstract: A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information.Type: GrantFiled: December 27, 2022Date of Patent: May 21, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Tae Young Na, Se Hoon Son, Jae Seob Shin
-
Publication number: 20240161831Abstract: Provided herein is a memory device for performing a foggy-fine program operation and a method of operating the memory device. The memory device includes a memory block including a plurality of memory cells, a peripheral circuit configured to perform a program operation on selected memory cells among the plurality of cells, and a control logic configured to control the program operation by the peripheral circuit. The control logic is configured to control the peripheral circuit to perform a foggy program operation on first memory cells coupled to a first word line, among the plurality of memory cells, perform a foggy program operation on second memory cells coupled to a second word line adjacent to the first word line, among the memory cells, and perform a fine program operation on the first memory cells by decreasing a verify pass voltage to be applied to the second word line.Type: ApplicationFiled: April 14, 2023Publication date: May 16, 2024Applicant: SK hynix Inc.Inventors: Jae Yeop JUNG, Dong Hun KWAK, Yeong Jo MUN, Hyun Seob SHIN
-
Patent number: 11985335Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.Type: GrantFiled: October 12, 2022Date of Patent: May 14, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
-
Patent number: 11985328Abstract: A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information.Type: GrantFiled: December 27, 2022Date of Patent: May 14, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Tae Young Na, Se Hoon Son, Jae Seob Shin
-
Patent number: 11985327Abstract: A method of inter-predicting a current block using any one of a plurality of bi-prediction modes is disclosed. The method comprises decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bi-prediction modes is applied to the current block. When the mode information indicates that the first mode is applied to the current block, the method further comprises: decoding, from the bitstream, first motion information including differential motion vector information and predicted motion vector information for a first motion vector and second motion information not including at least a portion of predicted motion vector information and differential motion vector information for a second motion vector; and deriving the first motion vector based on the first motion information and deriving the second motion vector based on both at least a portion of the first motion information and the second motion information.Type: GrantFiled: December 27, 2022Date of Patent: May 14, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Tae Young Na, Se Hoon Son, Jae Seob Shin
-
Patent number: 11985336Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.Type: GrantFiled: October 12, 2022Date of Patent: May 14, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
-
Patent number: 11985334Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.Type: GrantFiled: October 12, 2022Date of Patent: May 14, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee, Jung-han Kim
-
Publication number: 20240137568Abstract: Disclosed is a method and apparatus for encoding/decoding a video. According to an embodiment, provided is a method of setting a level for each of one or more regions, including decoding a definition syntax element related to level definition and a designation syntax element related to target designation from a bitstream; defining one or more levels based on the definition syntax element; and setting a target level designated by the designation syntax element among the defined levels for a target region designated by the designation syntax element.Type: ApplicationFiled: January 2, 2024Publication date: April 25, 2024Inventors: Jeong-yeon LIM, Jae Seob SHIN, Sun Young LEE, Se Hoon SON, Tae Young NA, Jae Il KIM
-
Patent number: 11962798Abstract: A video decoding apparatus decodes a sequence of one or more pictures in the unit of blocks which are split from each picture. The apparatus comprising a decoder configured to reconstruct, from a bitstream, a current motion vector difference of the current block among the blocks which belong to the sequence of one or more pictures, and an image decoder configured to predict and decode the current block using the motion vector of the current block. When the current motion vector difference of the current block is zero, the resolution of the current motion vector difference of the current block is set to the ΒΌ pixel precision without the information on the motion vector resolution extracted.Type: GrantFiled: January 5, 2021Date of Patent: April 16, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Sun-young Lee, Se-hoon Son, Jae-seob Shin, Hyeong-duck Kim, Gyeong-taek Lee
-
Patent number: 11924473Abstract: Disclosed herein is a method for decoding a video including determining a coding unit to be decoded by block partitioning, decoding prediction syntaxes for the coding unit, the prediction syntaxes including a skip flag indicating whether the coding unit is encoded in a skip mode, after the decoding of the prediction syntaxes, decoding transform syntaxes including a transformation/quantization skip flag and a coding unit cbf, wherein the transformation/quantization skip flag indicates whether inverse transformation, inverse quantization, and at least part of in-loop filterings are skipped, and the coding unit cbf indicates whether all coefficients in a luma block and two chroma blocks constituting the coding unit are zero, and reconstructing the coding unit based on the prediction syntaxes and the transform syntaxes.Type: GrantFiled: June 2, 2022Date of Patent: March 5, 2024Assignee: SK TELECOM CO., LTD.Inventors: Sun Young Lee, Jeong-yeon Lim, Tae Young Na, Gyeong-taek Lee, Jae-seob Shin, Se Hoon Son, Hyo Song Kim
-
Patent number: 11917212Abstract: Disclosed herein are a QTBT split structure allowing blocks of various shapes capable of more efficiently reflecting various local characteristics of video and a method of efficiently signaling the split structure.Type: GrantFiled: January 20, 2023Date of Patent: February 27, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Jae-seob Shin, Se-hoon Son, Sun-young Lee
-
Patent number: 11902594Abstract: Disclosed herein are a QTBT split structure allowing blocks of various shapes capable of more efficiently reflecting various local characteristics of video and a method of efficiently signaling the split structure.Type: GrantFiled: January 20, 2023Date of Patent: February 13, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Jae-seob Shin, Se-hoon Son, Sun-young Lee
-
Patent number: 11902590Abstract: Disclosed is a method and apparatus for encoding/decoding a video. According to an embodiment, provided is a method of setting a level for each of one or more regions, including decoding a definition syntax element related to level definition and a designation syntax element related to target designation from a bitstream; defining one or more levels based on the definition syntax element; and setting a target level designated by the designation syntax element among the defined levels for a target region designated by the designation syntax element.Type: GrantFiled: October 20, 2022Date of Patent: February 13, 2024Assignee: SK TELECOM CO., LTD.Inventors: Jeong-yeon Lim, Jae Seob Shin, Sun Young Lee, Se Hoon Son, Tae Young Na, Jae Il Kim
-
Patent number: 11838543Abstract: Disclosed are a method for predicting a current block using a current picture referencing mode (also called intra block copy (ibc) mode), and a video encoding or decoding device therefor. The method comprises: decoding, from a bitstream, an enable flag indicating whether the application of the ibc mode is allowed, and type information indicating whether the type of slices is an inter type; depending on the enable flag and the type information, decoding from the bitstream an ibc flag indicating whether a prediction mode for the current block is the ibc mode; when the ibc flag indicates the ibc mode, decoding motion information from the bitstream; and predicting the current block by using a block indicated by the motion information within a current picture in which the current block is located.Type: GrantFiled: June 23, 2022Date of Patent: December 5, 2023Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Se Hoon Son, Jae Seob Shin
-
Patent number: 11838545Abstract: Disclosed are a method for predicting a current block using a current picture referencing mode (also called intra block copy (ibc) mode), and a video encoding or decoding device therefor. The method comprises: decoding, from a bitstream, an enable flag indicating whether the application of the ibc mode is allowed, and type information indicating whether the type of slices is an inter type; depending on the enable flag and the type information, decoding from the bitstream an ibc flag indicating whether a prediction mode for the current block is the ibc mode; when the ibc flag indicates the ibc mode, decoding motion information from the bitstream; and predicting the current block by using a block indicated by the motion information within a current picture in which the current block is located.Type: GrantFiled: June 23, 2022Date of Patent: December 5, 2023Assignee: SK TELECOM CO., LTD.Inventors: Jae Il Kim, Sun Young Lee, Se Hoon Son, Jae Seob Shin