Patents by Inventor Seethal Paluri

Seethal Paluri 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).

  • METHOD AND APPARATUS FOR SIGNALING IMAGE INFORMATION
    Publication number: 20230020666
    Abstract: A method by which a decoding device decodes an image, according the present disclosure, comprises a flag related to whether there is sub-picture information and a flag related to whether a sub-picture includes a single slice, wherein the flag related to whether there is sub-picture information corresponds to a value of 0, and the flag related to whether the sub-picture includes the single slice corresponds to a value of 1.
    Type: Application
    Filed: November 26, 2020
    Publication date: January 19, 2023
    Inventors: Hendry Hendry, Seethal Paluri, Seunghwan Kim
  • IMAGE ENCODING/DECODING METHOD AND APPARATUS BASED ON WRAP-AROUND MOTION COMPENSATION, AND RECORDING MEDIUM STORING BITSTREAM
    Publication number: 20230012751
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method includes obtaining inter prediction information of a current block and wraparound information from a bitstream, and generating a prediction block of the current block based on the inter prediction information and the wraparound information. The wraparound information may include a first flag specifying whether wraparound motion compensation is enabled for a current video sequence including the current block. The first flag may have a first value specifying that the wraparound motion compensation is disabled, based on that one or more subpicture, which is coded independently and has a width different from a width of a current picture, is present in the current video sequence.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 19, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seung Hwan KIM
  • IMAGE DECODING METHOD AND APPARATUS THEREFOR
    Publication number: 20230013803
    Abstract: A method by which a decoding apparatus decodes an image, according to the present disclosure, can signal slice-associated information on the basis of a flag related to whether there is sub-picture information and a flag related to whether a sub-picture includes a single slice.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 19, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • APPARATUS AND METHOD FOR CODING IMAGE ON BASIS OF SIGNALING OF INFORMATION FOR FILTERING
    Publication number: 20230007266
    Abstract: An image decoding method according to embodiments of the present document may comprise the steps of: acquiring, via a bitstream, image information including residual information; generating reconstruction samples on the basis of the residual information; and performing an in-loop filtering procedure for the reconstruction samples so as to generate modified reconstruction samples. The step of generating of the modified reconstruction samples may comprise a step of determining whether the in-loop filtering procedure is performed across virtual boundaries. In an example, wherein the image information includes an SPS, and on the basis of whether reference picture resampling is available, whether the SPS includes additional virtual boundary-related information may be determined.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 5, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • IMAGE CODING APPARATUS AND METHOD BASED ON SIGNALING OF INFORMATION FOR FILTERING
    Publication number: 20230007310
    Abstract: A decoding method performed by a decoding apparatus, according to embodiments of the present document, may comprise the steps of: acquiring, via a bitstream, image information including residual information; generating reconstructed samples of a current picture on the basis of the residual information; and generating modified reconstructed samples by performing an in-loop filtering procedure on the reconstructed samples of the current picture, wherein whether or not the in-loop filtering procedure is performed across virtual boundaries is determined. The virtual boundaries can bring, to the decoding apparatus, advantages from a hardware perspective.
    Type: Application
    Filed: November 17, 2020
    Publication date: January 5, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • SLICE AND TILE CONFIGURATION FOR IMAGE/VIDEO CODING
    Publication number: 20230007278
    Abstract: A video decoding method performed by a video decoding apparatus, according to the present document, comprises: parsing number information about the number of slices of which heights are explicitly signaled in a tile of a current picture from a bitstream; parsing height information about the heights of slices of which heights are explicitly signaled from the bitstream based on the number information; deriving the number of slices in the tile based on the number information and the height information; and decoding the current picture based on the slices in the tile, wherein the height information includes the same number of syntax elements as a value of the number information, and based on the value of the number information being n, the heights of a 0th slice to an n-1th slice in the tile may be derived based on the syntax elements.
    Type: Application
    Filed: November 26, 2020
    Publication date: January 5, 2023
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • IMAGE CODING DEVICE AND METHOD FOR CONTROLLING LOOP FILTERING
    Publication number: 20220417564
    Abstract: According to the embodiments of the present document, information necessary to control in-loop filtering performed across virtual boundaries can be efficiently signaled by a coding device. In one example, information related to whether in-loop filtering is available across virtual boundaries can be signaled.
    Type: Application
    Filed: November 17, 2020
    Publication date: December 29, 2022
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • IMAGE/VIDEO CODING METHOD AND APPARATUS ON BASIS OF PICTURE DIVISION STRUCTURE
    Publication number: 20220417561
    Abstract: A video decoding method performed by a video decoding apparatus according to the present document comprises: parsing number information about the number of slices for which height is explicitly signaled in a tile of a current picture from a bitstream; parsing height information about the height of the slices for which height is explicitly signaled from the bitstream based on the number information; and decoding the current picture based on the number information and the height information.
    Type: Application
    Filed: November 26, 2020
    Publication date: December 29, 2022
    Inventors: Hendry Hendry, Seethal Paluri, Seunghwan Kim
  • METHOD AND DEVICE FOR SIGNALING SLICE-RELATED INFORMATION
    Publication number: 20220417510
    Abstract: In an image decoding method performed by a decoding device according to the present disclosure, whether the number of slices included in the current picture is 1 is determined on the basis of a flag pertaining to whether or not sub-picture information is present, and a flag pertaining to whether a sub-picture includes a single slice.
    Type: Application
    Filed: November 26, 2020
    Publication date: December 29, 2022
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • METHOD FOR CODING IMAGE ON BASIS OF TMVP AND APPARATUS THEREFOR
    Publication number: 20220417498
    Abstract: According to the disclosure of the present document, by signaling NAL unit-related information for a first picture and a collocated reference picture-related information for a second picture following the first picture in a decoding order, a collocated reference picture with respect to the second picture can be limited, and thus the image coding efficiency can be enhanced.
    Type: Application
    Filed: December 7, 2020
    Publication date: December 29, 2022
    Inventors: Hendry HENDRY, Seunghwan KIM, Seethal PALURI
  • IMAGE DECODING METHOD AND DEVICE FOR CODING CHROMA QUANTIZATION PARAMETER OFFSET-RELATED INFORMATION
    Publication number: 20220408088
    Abstract: An image decoding method performed by a decoding device according to the present document comprises the steps of: obtaining CU chroma QP offset-related information for a current chroma block on the basis of the size and tree type of the current chroma block; deriving a chroma QP for the current chroma block on the basis of the CU chroma QP offset-related information; deriving residual samples for the current chroma block on the basis of the chroma QP; and generating a reconstructed picture on the basis of the residual samples, wherein the CU chroma QP offset-related information includes a CU chroma QP offset flag and a CU chroma QP offset index for the current chroma block.
    Type: Application
    Filed: August 20, 2020
    Publication date: December 22, 2022
    Inventors: Jie ZHAO, Seunghwan KIM, Seethal PALURI
  • IMAGE DECODING METHOD FOR CHROMA QUANTIZATION PARAMETER DATA AND APPARATUS THEREFOR
    Publication number: 20220408103
    Abstract: An image decoding method performed by a decoding apparatus, according to the present document, comprises the steps of: acquiring image information comprising a flag indicating whether or not one chroma quantization parameter table is to be applied with respect to chroma components, and prediction information and residual information regarding the chroma components; on the basis of the flag, deriving a chroma quantization parameter for the chroma components; deriving residual samples for the chroma components on the basis of the residual information and the chroma quantization parameter; and generating a reconstructed picture on the basis of prediction samples, which have been derived on the basis of the prediction information, and the residual samples.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 22, 2022
    Inventors: Seethal PALURI, Seunghwan KIM, Jie ZHAO
  • Image decoding method and device therefor
    Patent number: 11533500
    Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: obtaining image information; and generating a reconstructed picture on the basis of the image information.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: December 20, 2022
    Assignee: LG Electronics Inc.
    Inventors: Seethal Paluri, Seunghwan Kim, Jie Zhao
  • IMAGE CODING DEVICE AND METHOD, FOR CONTROLLING LOOP FILTERING
    Publication number: 20220400291
    Abstract: In a decoding method performed by a decoding apparatus according to embodiments of the present document, whether signaling of information related to virtual boundaries is present in a sequence parameter set (SPS) or picture header information may be determined based on a virtual boundaries enabled flag.
    Type: Application
    Filed: November 17, 2020
    Publication date: December 15, 2022
    Inventors: Hendry HENDRY, Seethal PALURI, Seunghwan KIM
  • Method and apparatus for processing video signal on basis of inter prediction
    Patent number: 11528484
    Abstract: A method and device derive a motion vector difference of a current block based on layer information and index information, where the layer information indicates a current layer to which a motion vector difference used in inter prediction of the current block belongs and index information indicates a specific combination in the current layer, and thereby the MVD coding efficiency may be significantly increased by coding the horizontal and vertical components of the MVD together based on layer information and index information.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: December 13, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seethal Paluri, Seunghwan Kim, Mehdi Salehifar
  • Scaling list parameter-based video or image coding
    Patent number: 11528477
    Abstract: According to the disclosure of the present document, scaling list data transmitted from an adaptation parameter set (APS) can be signaled through a hierarchical structure. In addition, by setting a limit on the scaling list data transmitted from the APS, it is possible to reduce the amount of data which has to be signaled for video/image coding, and facilitate implementation.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: December 13, 2022
    Assignee: LG Electronics Inc.
    Inventors: Seethal Paluri, Seunghwan Kim, Jie Zhao
  • IMAGE/VIDEO CODING METHOD AND APPARATUS BASED ON INTER PREDICTION
    Publication number: 20220385934
    Abstract: A video decoding method performed by a video decoding apparatus, according to the present document, comprises the steps of: parsing a flag for weighted prediction from a bitstream; parsing a prediction weighted table syntax from the bitstream on the basis of the flag; generating prediction samples by performing weighted prediction on a current block within a current picture on the basis of the prediction weighted table syntax; and generating reconstructed samples for the current block on the basis of the prediction samples, wherein the prediction weighted table syntax may be parsed from a picture header or slice header of the bitstream on the basis of a value of the flag.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 1, 2022
    Inventors: Seethal PALURI, Hendry HENDRY, Jie ZHAO, Seunghwan KIM
  • PREDICTION WEIGHTED TABLE-BASED IMAGE/VIDEO CODING METHOD AND APPARATUS
    Publication number: 20220377319
    Abstract: A video decoding method executed by a video decoding apparatus according to the present document comprises the steps of: parsing a flag associated with weighted prediction from a bitstream; on the basis of the flag, parsing a prediction weighted table syntax from the bitstream; and on the basis of the prediction weighted table syntax, executing a weighted prediction on a current block in a current picture to reconstruct the current picture, wherein on the basis of the value of the flag being 1, the prediction weighted table syntax may be parsed from a picture header of the bitstream, and on the basis of the value of the flag being 0, the prediction weighted table syntax may be parsed from a slice header of the bitstream.
    Type: Application
    Filed: June 16, 2022
    Publication date: November 24, 2022
    Inventors: Seethal PALURI, Hendry HENDRY, Jie ZHAO, Seunghwan Kim
  • Method and device for signaling information related to slice in image/video encoding/decoding system
    Patent number: 11509905
    Abstract: A method by which a video decoding device decodes a video, according to the present document, can comprise the steps of: parsing, from a bitstream, number information related to the number of slices of which the height within a tile of a current picture is explicitly signaled; parsing, from the bitstream, on the basis of the number information, height information related to the height of the slices of which the height is explicitly signaled; deriving the number of slices in the tile on the basis of the number information and the height information; generating prediction samples by predicting the current block of the current picture on the basis of the slices within the tile; generating reconstructed samples on the basis of the prediction samples; and generating a reconstructed picture for the current picture on the basis of the reconstructed samples.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: November 22, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hendry Hendry, Seethal Paluri, Seunghwan Kim
  • Image Decoding Method Using Chroma Quantization Parameter Table, And Device Therefor
    Publication number: 20220368917
    Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: obtaining a flag indicating whether one chroma quantization parameter table is applied to chroma components; obtaining chroma quantization parameter data on the basis of the flag; deriving the chroma quantization parameter table on the basis of the chroma quantization parameter data; deriving a chroma quantization parameter for the chroma components on the basis of the chroma quantization parameter table; deriving residual samples for the chroma components on the basis of the chroma quantization parameter; and generating a reconstructed picture on the basis of the residual samples.
    Type: Application
    Filed: June 24, 2020
    Publication date: November 17, 2022
    Inventors: Seethal PALURI, Seunghwan KIM, Jie ZHAO