Patents by Inventor Moon Jang

Moon Jang 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).

  • Publication number: 20250240418
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may comprise deriving a reconstructed block for a current block, deriving a target boundary for the reconstructed block, determining a filter length of a deblocking filter to be applied for the target boundary, and applying the deblocking filter for the target boundary based on the determined filter length. The filter length may be determined based on at least one of a width or height of a transform block adjacent to the target boundary.
    Type: Application
    Filed: April 11, 2025
    Publication date: July 24, 2025
    Inventor: Hyeong Moon JANG
  • Publication number: 20250240457
    Abstract: An image encoding/decoding method, a method of transmitting a bitstream and a recording medium storing a bitstream are provided. The image decoding method may comprise receiving a neural-network post-filter (NNPF) related supplemental enhancement information (SEI) message to be applied to a current picture, reconstructing NNPF related information based on the NNPF related SEI message, and applying an NNPF to the current picture based on the NNPF related information. The NNPF related SEI message may include a neural-network post-filter characteristics (NNPFC) SEI message including filter identification information and filter property present information, and the NNPFC SEI message may further include base filter present information specifying whether the NNPFC SEI message includes a base neural-network post-processing filter.
    Type: Application
    Filed: April 8, 2025
    Publication date: July 24, 2025
    Inventors: Hendry TAN, Jung Hak NAM, Hyeong Moon JANG, Jaehyun LIM, Seung Hwan KIM
  • Publication number: 20250227313
    Abstract: A feature encoding/decoding method and device, and a computer-readable recording medium generated by the feature encoding method are provided. The feature decoding method according to the present disclosure relates to a feature decoding method performed by a feature decoding device, and may comprise the steps of: acquiring information on a sequence of feature channels in a feature tensor from a bitstream; and determining the sequence of the feature channels on the basis of the information on the sequence of the feature channels.
    Type: Application
    Filed: November 1, 2022
    Publication date: July 10, 2025
    Inventor: Hyeong Moon JANG
  • Publication number: 20250227259
    Abstract: An image coding/decoding method and device are provided. The image decoding method carried out by the image decoding device, according to the present disclosure, may comprise the steps of: determining the number of tiles in a current picture on the basis that the segmentation of the current picture is not restricted; on the basis that the number of tiles in the current picture is a plurality, acquiring from a bitstream, a first flag representing whether tile boundary filtering is available; and, on the basis of the value of the first flag, determining whether to carry out filtering for the boundaries of the tiles belonging to the current picture.
    Type: Application
    Filed: March 26, 2025
    Publication date: July 10, 2025
    Inventors: Nae Ri Park, Jung Hak Nam, Hyeong Moon Jang
  • Patent number: 12355954
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may comprise identifying a current chroma block by splitting an image, identifying whether a matrix based intra prediction mode applies to a first luma sample position corresponding to the current chroma block, identifying whether a predetermined prediction mode applies to a second luma sample position corresponding to the current chroma block, based on the matrix based intra prediction mode doing not apply, and determining an intra prediction mode candidate of the current chroma block based on an intra prediction mode applying to a third luma sample position corresponding to the current chroma block, based on the predetermined prediction mode doing not apply.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: July 8, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyeong Moon Jang, Jin Heo
  • Publication number: 20250216542
    Abstract: An apparatus for controlling a vehicle is introduced. The apparatus may comprise at least three different type of sensors. The first sensor may obtain visual track information about an external object within an image. The second sensor may provide track information in the form of plots corresponding to the external object. The third sensor may collect track information in clusters of points or virtual boxes corresponding to the external object. The apparatus may set a reference angle range and distance based on the first and second track information. The apparatus then may associate these with the third track information and output a signal for vehicle control.
    Type: Application
    Filed: September 20, 2024
    Publication date: July 3, 2025
    Inventors: Nam Hyung Lee, Sung Moon Jang, Hyung Jin Cha, Dong Hyo Son, Su Min Jo, In Sun Lee
  • Patent number: 12348754
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure is performed by an image decoding apparatus. The image decoding method comprises deriving a first flag specifying whether to perform weighted prediction on a current block and a weight index BcwIdx of bi-prediction with CU-level weight (BCW) for the current block, determining whether to perform default weighted prediction or explicit weighted prediction on the current block based on the first flag and BcwIdx, and generating a prediction block for the current block by performing the determined method.
    Type: Grant
    Filed: September 5, 2023
    Date of Patent: July 1, 2025
    Assignee: LG Electronics Inc.
    Inventors: Nae Ri Park, Jung Hak Nam, Hyeong Moon Jang
  • Patent number: 12348727
    Abstract: An image encoding/decoding method and apparatus is provided. The image decoding method comprises determining whether first information specifying a value of a picture order count (POC) most significant bit (MSB) cycle of a current picture is present in a picture header, determining a POC MSB of the current picture based on whether the first information is present in the picture header, and deriving a POC of the current picture based on the determined POC MSB. Based on the first information being not present in the picture header and the current picture being not a CLVSS (coded layer video sequence start) picture, a POC difference between the current picture and a previous picture preceding the current picture in decoding order may be less than half a maximum value of a POC least significant bit (LSB) of the current picture.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: July 1, 2025
    Assignee: LG Electronics Inc.
    Inventors: Hendry Hendry, Hyeong Moon Jang, Jaehyun Lim, Nae Ri Park, Seung Hwan Kim
  • Publication number: 20250200958
    Abstract: An embodiment object recognition apparatus includes a LIDAR, a camera, a radar, one or more processors, and a storage device storing a program to be executed by the one or more processors, the program including instructions for identifying a fusion track corresponding to an external object acquired through the camera and the radar, identifying a target fusion track, identifying a LIDAR track corresponding to an external object represented by the target fusion track, identifying a target LIDAR track, identifying second LIDAR points that satisfy a position condition, identifying a third LIDAR point that satisfies a distance condition identified based on a distance from a point corresponding to a host vehicle to the second LIDAR point, and associating and storing the target fusion track and the third LIDAR point based on identifying the third LIDAR point.
    Type: Application
    Filed: May 1, 2024
    Publication date: June 19, 2025
    Inventors: Hyung Jin Cha, Sung Moon Jang, Nam Hyung Lee, Dong Hyo Son, Su Min Jo, In Sun Lee
  • Publication number: 20250193377
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure is performed by an image decoding apparatus. The image decoding method comprises constructing a merge candidate list for a current block based on a prediction mode of the current block, deriving motion information of the current block based on the merge candidate list, and generating a prediction block of the current block based on the motion information. Information on a maximum number of merge candidates included in the merge candidate list may be obtained through a sequence parameter set, and, based on the prediction mode being a subblock-based merge mode, the maximum number of merge candidates may be determined based on whether an affine mode is available for the current block.
    Type: Application
    Filed: February 21, 2025
    Publication date: June 12, 2025
    Applicant: LG ELECTRONICS INC.
    Inventors: Nae Ri Park, Jung Hak Nam, Hyeong Moon Jang
  • Patent number: 12328440
    Abstract: An image encoding/decoding method and apparatus are provided. The image encoding method comprises deriving information for a composite picture generated from one or more source pictures and generating a bitstream by encoding a single composite picture information (CPI) supplemental enhancement information (SEI) message including the information for the composite picture. The composite picture may comprise one or more patches obtained from the source pictures, the information for the composite picture may comprise first information for a source area corresponding to each of the patches in the source pictures and second information for a patch area covered by each of the patches in the composite picture, and each layer including the source pictures may be an output layer.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: June 10, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Hyeong Moon Jang, Jaehyun Lim, Seung Hwan Kim
  • Publication number: 20250184476
    Abstract: An image encoding/decoding method and apparatus are provided. The image decoding method may comprise selecting a first prediction candidate for a first prediction direction of a current block from a first prediction candidate list, selecting a second prediction candidate for a second prediction direction of the current block from a second prediction candidate list, and generating a prediction block for the current block based on the first prediction candidate and the second prediction candidate. The first prediction candidate may be an amvp candidate and the second prediction candidate may be a merge candidate.
    Type: Application
    Filed: April 12, 2023
    Publication date: June 5, 2025
    Inventors: Hyeong Moon JANG, Nae Ri PARK
  • Publication number: 20250175590
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure may comprise constructing an affine merge candidate list for a current block, based on an inter prediction mode of the current block being an affine merge mode, selecting one affine merge candidate from the affine merge candidate list, deriving motion information of the current block based on motion information of the selected affine merge candidate, generating a prediction block of the current block based on the motion information of the current block, and reconstructing the current block based on the prediction block of the current block. The constructing the affine merge candidate list may comprise deriving a constructed affine merge candidate, and the deriving the constructed affine merge candidate may comprise deriving a weight index for bi-prediction of the constructed affine merge candidate.
    Type: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Inventors: Nae Ri PARK, Jung Hak NAM, Hyeong Moon JANG
  • Publication number: 20250168411
    Abstract: An image encoding/decoding method, a bitstream transmission method, and a computer-readable recording medium for storing a bitstream are provided. The image decoding method according to the present disclosure is an image decoding method performed by an image decoding device, and may be an image decoding method comprising the steps of: obtaining size information from a neural-network post-filter characteristics (NNPFC) supplemental enhancement information (SEI) message; and determining the size of an output picture on the basis of the size information, wherein the size information comprises information on the numerator value of the ratio between the size of the output picture and the size of an input picture and information on the denominator value of the ratio.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Applicant: LG ELECTRONICS INC.
    Inventors: Hendry TAN, Jung Hak NAM, Jaehyun LIM, Hyeong Moon JANG, Seung Hwan KIM
  • Patent number: 12301801
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may comprise deriving a reconstructed block for a current block, deriving a target boundary for the reconstructed block, determining a filter length of a deblocking filter to be applied for the target boundary, and applying the deblocking filter for the target boundary based on the determined filter length. The filter length may be determined based on at least one of a width or height of a transform block adjacent to the target boundary.
    Type: Grant
    Filed: January 22, 2024
    Date of Patent: May 13, 2025
    Assignee: LG Electronics Inc.
    Inventor: Hyeong Moon Jang
  • Publication number: 20250150618
    Abstract: An image encoding/decoding method, a bitstream transmission method, and a computer-readable recording medium storing a bitstream are provided. The image decoding method according to the present disclosure, performed by an image decoding apparatus, comprises the steps of: acquiring first information on the basis that the prediction direction of a current block is bidirectional; on the basis that the first information indicates that different prediction types are applied to the respective prediction directions of the current block, deriving, from reference blocks, at least one bidirectional motion information candidate corresponding to the different prediction types; and on the basis of any one of the at least one bidirectional motion information candidate, bidirectionally predicting the current block with the different prediction types, wherein the different prediction types are a sub-block unit (sub PU) prediction type and a non-sub-block unit (non-sub PU) prediction type.
    Type: Application
    Filed: February 15, 2023
    Publication date: May 8, 2025
    Inventors: Hyeong Moon JANG, Nae Ri PARK
  • Publication number: 20250150639
    Abstract: An image encoding/decoding method, a bitstream transmission method, and a computer-readable recording medium storing the bitstream therein are provided. The image decoding method according to the present disclosure, which is an image decoding method performed by an image decoding device, may comprise the steps of: constructing a prediction candidate list for a current block; deriving an error value for the current block on the basis of whether a reference picture referred to by a prediction candidate in the prediction candidate list is a resampled reference picture; and reordering an order of the prediction candidates in the prediction candidate list on the basis of the error value, wherein the error value is derived to a predetermined value on the basis of the reference picture being a resampled reference picture.
    Type: Application
    Filed: April 12, 2023
    Publication date: May 8, 2025
    Inventors: Hyeong Moon JANG, Jung Hak NAM
  • Publication number: 20250142095
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may comprise obtaining palette information and palette index prediction information of a current block from a bitstream, based on a palette mode applying for the current block, constructing a palette predictor for the current block based on the palette information and constructing a palette table for the current block based on the palette predictor, generating a palette index map for the current block based on the palette index prediction information, and decoding the current block based on the palette table and the palette index map, The palette predictor may be selectively updated based on a split structure of the current block.
    Type: Application
    Filed: January 3, 2025
    Publication date: May 1, 2025
    Inventors: Hyeong Moon JANG, Sunmi Yoo, Jung Hak Nam
  • Patent number: 12284330
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure is performed by an image decoding apparatus. The image decoding method comprises constructing a merge candidate list for a current block based on a prediction mode of the current block, deriving motion information of the current block based on the merge candidate list, and generating a prediction block of the current block based on the motion information. Information on a maximum number of merge candidates included in the merge candidate list may be obtained through a sequence parameter set, and, based on the prediction mode being a subblock-based merge mode, the maximum number of merge candidates may be determined based on whether an affine mode is available for the current block.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: April 22, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Nae Ri Park, Jung Hak Nam, Hyeong Moon Jang
  • Patent number: 12278972
    Abstract: An image coding/decoding method and device are provided. The image decoding method carried out by the image decoding device, according to the present disclosure, may comprise the steps of: determining the number of tiles in a current picture on the basis that the segmentation of the current picture is not restricted; on the basis that the number of tiles in the current picture is a plurality, acquiring from a bitstream, a first flag representing whether tile boundary filtering is available; and, on the basis of the value of the first flag, determining whether to carry out filtering for the boundaries of the tiles belonging to the current picture.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: April 15, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Nae Ri Park, Jung Hak Nam, Hyeong Moon Jang