Patents by Inventor Kui Wang

Kui Wang 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).

  • Flexible Tiling in Video Coding
    Publication number: 20210329264
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a picture into a plurality of first level tiles. A subset of the first level tiles is partitioned into a plurality of second level tiles. Each second level tile contains a single rectangular slice of picture data. The first level tiles and the second level tiles are encoded into a bitstream. The bitstream is stored for communication toward a decoder.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 21, 2021
    Inventors: Yei-Kui Wang, FNU Hendry, Maxim Borisovitch Sychev
  • Encoder, A Decoder And Corresponding Methods For Tile Configuration Signaling
    Publication number: 20210329305
    Abstract: The present disclosure provides an encoding and decoding device, as well as an encoding and decoding method. In particular, the present disclosure relates to method for decoding of a video bitstream implemented by a decoding device, wherein the video bitstream includes data representing a coded picture comprising tile columns, the decoding method comprising: obtaining a syntax element by parsing the video bitstream, wherein the syntax element is used to derive the width of the tile columns, wherein the width of the tile columns is uniform; predicting the picture according the width of the tile columns.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: Maxim Borisovitch Sychev, FNU Hendry, Ye-Kui Wang
  • Support of Adaptive Resolution Change In Video Coding
    Publication number: 20210329226
    Abstract: A video coding mechanism is disclosed. The mechanism includes receiving a bitstream including a plurality of picture parameter sets (PPSs) and a plurality of pictures at a plurality of picture sizes. A first picture size of a first picture is determined from a first PPS. The first picture is decoded at the first picture size to create a decoded reference picture. The decoded reference picture is stored in a decoded picture buffer. A second picture size of a second picture is determined from a second PPS. The second picture references the decoded reference picture according to inter-prediction. The decoded reference picture is scaled from the first picture size to the second picture size. The second picture is decoded at the second picture size based on the decoded reference picture at the second picture size.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: FNU Hendry, Ye-Kui Wang, Jianle Chen
  • Explicit Address Signaling In Video Coding
    Publication number: 20210329236
    Abstract: A video coding mechanism is disclosed. The mechanism includes receiving a sub-bitstream including: a sub-picture of a picture partitioned into a plurality of slices including a first slice, a parameter set associated with the picture and the sub-picture, and a slice header associated with the first slice. The parameter set is parsed to obtain an identifier and a length of a slice address of the first slice. A slice address for the first slice is determined from the slice header based on the identifier and the length of the slice address. The sub-bitstream is decoded to create a video sequence of sub-pictures including the first slice. The video sequence of sub-pictures is forwarded for display.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Sub-Picture Based Random Access
    Publication number: 20210329263
    Abstract: A method of decoding a coded video bitstream implemented by a video decoder is provided. The method includes receiving, by a receiver of the video decoder, a mixed intra random access point (IRAP) picture including a first sub-picture and a second sub-picture, wherein the first sub-picture is an IRAP picture and the second sub-picture is a non-IRAP sub-picture; receiving, by the receiver; a reference picture list (RPL) for the mixed IRAP picture; decoding, by a processor of the video decoder, the second sub-picture using the RPL; and generating, by the processor, an image based on the second sub-picture as decoded. A corresponding encoding method is also provided.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 21, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Flexible Tile Signaling in Video Coding
    Publication number: 20210329265
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a picture into a plurality of first level tiles. A subset of the first level tiles is partitioned into a plurality of second level tiles. The first level tiles and the second level tiles are encoded into a bitstream. A split indication is encoded into the bitstream. The split indication indicates that at least one of the first level tiles is split into the second level tiles. The bitstream is stored for communication toward a decoder.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 21, 2021
    Inventors: Yei-Kui Wang, FNU Hendry, Maxim Borisovitch Sychev
  • Arbitrary and Wrap-Around Tile Grouping
    Publication number: 20210321100
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a first picture into a plurality of tiles. A group of the tiles is assigned into a first tile group. The first tile group is a rectangular shape that wraps around the first picture in a horizontal direction and a vertical direction. The first tile group is encoded into a bitstream. A flag is encoded into a parameter set in the bitstream to indicate the first tile group is an arbitrary tile group. The bitstream is stored for communication toward a decoder.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 14, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Tile Group Assignment For Raster Scan And Rectangular Tile Groups In Video Coding
    Publication number: 20210321110
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a picture into a plurality of tiles. A number of the tiles are included in a tile group. The mechanism determines whether the tile group is a raster scan tile group or a rectangular tile group. The number of tiles in the tile group is determined based on whether the tile group is the raster scan tile group or the rectangular tile group. The tiles are encoded into a bitstream based on the tile group. The bitstream is stored for communication toward a decoder.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 14, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Harmonization of Raster Scan And Rectangular Tile Groups In Video Coding
    Publication number: 20210314577
    Abstract: A video coding mechanism is disclosed. The mechanism includes partitioning a picture into a plurality of tiles. A number of the tiles are included in a tile group. A flag is also encoded into a parameter set of a bitstream. The flag is set to a first value when the tile group is a raster scan tile group and a second value when the tile group is a rectangular tile group. The tiles are encoded into the bitstream based on the tile group. The bitstream is stored for communication toward a decoder.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 7, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • End of sequence and end of bitstream NAL units in separate file tracks
    Patent number: 11115669
    Abstract: A device includes, in a first track of the file, a first end of sequence (EOS) network abstraction layer (NAL) unit for a coded video sequence of a bitstream. The first EOS NAL unit is in a first access unit of the coded video sequence. The device also includes, in a second track of the file, a second EOS NAL unit for the coded video sequence. The second EOS NAL unit is in a second access unit of the coded video sequence, the second EOS NAL unit being different from the first EOS NAL unit. The device may perform similar actions for end of bitstream (EOB) NAL units.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: September 7, 2021
    Assignee: QUALCOMM Incorporated
    Inventor: Ye-Kui Wang
  • COPPER-CONTAINING, HIGH-TOUGHNESS AND RAPIDLY DEGRADABLE MAGNESIUM ALLOY, PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20210269899
    Abstract: Provided are a copper-containing, high-toughness and rapidly degradable magnesium alloy, a preparation method therefor and the use thereof, wherein same relate to the field of materials for oil and gas exploitation. When the magnesium alloy is in an as-cast state, an extrusion state or an aging state, a strengthening phase thereof mainly includes an Mg12CuRE-type long-period phase and an Mg5RE phase and an Mg2Cu phase, the Mg12CuRE-type long-period phase has a volume fraction of 3-60%, the Mg5RE phase has a volume fraction of 0.5-20%, and the Mg2Cu phase has a volume fraction of 0.5-15%, wherein RE is a rare-earth metal element.
    Type: Application
    Filed: July 1, 2019
    Publication date: September 2, 2021
    Applicant: CHONGQING UNIVERSITY
    Inventors: Jingfeng WANG, Shiqing GAO, Shijie LIU, Kui WANG, Fusheng PAN
  • Reference Picture Management in Video Coding
    Publication number: 20210258568
    Abstract: A method of decoding a coded video bitstream includes obtaining a reference picture list structure for a current slice represented in the coded video bitstream, wherein the reference picture list structure contains a number of entries; obtaining a default number of active entries in a reference picture list for the current slice; constructing a reference picture list for the current slice, the reference picture list containing a number of active and inactive entries; setting the number of active entries in the reference picture list equal to the number of entries in the reference picture list structure when the default number of active entries in the reference picture list is greater than the number of entries in the reference picture list structure; and obtaining, based on at least one active entry of the reference picture list, at least one reconstructed block of the current slice.
    Type: Application
    Filed: February 16, 2021
    Publication date: August 19, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Header Parameter Set For Video Coding
    Publication number: 20210258598
    Abstract: A video coding mechanism is disclosed. The mechanism includes receiving a bitstream comprising a first header parameter set (HPS) containing a first type of coding tool parameters, a second HPS containing a second type of coding tool parameters, a slice header, and a slice associated with the slice header. The mechanism further includes determining that the slice header contains a first reference to the first HPS and a second reference to the second HPS. The mechanism further includes decoding the slice using the first type of coding tool parameters and the second type of coding tool parameters based on the determination that the slice header contains the first reference and the second reference. The mechanism further includes forwarding the slice for display as part of a decoded video sequence.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 19, 2021
    Inventors: FNU Hendry, Ye-Kui Wang, Jianle Chen
  • Reference Picture Management in Video Coding
    Publication number: 20210258567
    Abstract: A method of decoding a coded video bitstream is provided. The method includes obtaining a first reference picture list structure and a second reference picture list structure represented in the coded video bitstream; deriving, based on the first reference picture list structure and the second reference picture list structure, a first reference picture list of a current slice and a second reference picture list of the current slice, wherein the current slice comprises an intra (I) slice or a uni-predictive (P) slice; and obtaining at least one reconstructed block of the current slice following derivation of the first reference picture list and the second reference picture list.
    Type: Application
    Filed: February 16, 2021
    Publication date: August 19, 2021
    Inventors: Fnu Hendry, Ye-Kui Wang
  • HIGH-STRENGTH MAGNESIUM ALLOY PROFILE, PREPARATION PROCESS THEREFOR AND USE THEREOF
    Publication number: 20210238723
    Abstract: Provided are a high-strength magnesium alloy profile, a preparation process therefor and the use thereof, wherein same relate to the technical field of the formation of high-strength magnesium alloys. A strengthening phase of the high-strength magnesium alloy profile in an extrusion state mainly comprises LPSO phase and ? phase, wherein the volume fraction of LPSO phase is 1-40%; and the volume fraction of ? phase is 1-20%. A strengthening phase of the high-strength magnesium alloy profile in an aging state mainly comprises LPSO phase, ? phase, ?? phase and ?? phase, wherein the volume fraction of LPSO phase is 1-40%; the volume fraction of ? phase is 1-20%; the number density of ?? phase is 1015-1025 m?3, and the length to thickness ratio l/d thereof is 1:20; and the number density of ?? phase is 1014-1024 m?3 and the length to thickness ratio l/d thereof is 1:50.
    Type: Application
    Filed: July 1, 2019
    Publication date: August 5, 2021
    Inventors: Jingfeng WANG, Kui WANG, Shijie LIU, Xing PENG, Fusheng PAN
  • MEDIA DATA PROCESSING METHOD AND APPARATUS
    Publication number: 20210243473
    Abstract: This application provides a media data processing method and apparatus. A media processing device receives a media stream. The media stream includes media data recorded at a plurality of viewpoints. The device obtains metadata information of the media stream. The metadata information includes viewpoint identification information of the viewpoints. The device displays media data of a first viewpoint based on the viewpoint identification information. The device also displays indications of other viewpoints when displaying the media data of the first viewpoint, so that a user of the device can switch to display media data of other viewpoints.
    Type: Application
    Filed: April 16, 2021
    Publication date: August 5, 2021
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuqun Fan, Ye-Kui Wang
  • Liquid crystal composition and liquid crystal display element
    Patent number: 11078420
    Abstract: Provided are a polymerizable compound represented by formula I and a liquid crystal composition comprising the polymerizable compound, particularly a PSVA liquid crystal composition for displays or TV applications and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable compound has a faster polymerization rate, and a “material system” formed from the selected polymerizable component and liquid crystal component has a lower rotary viscosity and better photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problem of the occurrence of residual images to final displays.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 3, 2021
    Assignee: SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIAL CO., LTD.
    Inventors: Jinsong Meng, Ming Li, Kui Wang, Xing Zhang, Guoliang Yun, Zhian Liang, Yiping Wang, Gang Wen
  • Tile Group Signaling In Video Coding
    Publication number: 20210235096
    Abstract: A method for decoding a video bitstream. The bitstream comprises coded data for at least one picture, and each picture comprises at least one tile group. The method includes parsing a flag that specifies whether tile information for a coded picture is present in a parameter set or in a tile group header. The tile information indicates which tiles of the picture are included in a tile group. The method parses the tile information from either the parameter set or the tile group header based on the flag. The method obtains the decoded data of the coded picture based on the tile information.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Inventors: FNU Hendry, Ye-Kui Wang
  • Method for Processing Media Data, Client, and Server
    Publication number: 20210218908
    Abstract: A client, a server, and a method for processing media data, the method including obtaining an overlay and information about a region associated with the overlay, where the information about the region associated with the overlay is used to indicate the region associated with the overlay, and displaying the overlay when a trigger operation for the region associated with the overlay is detected.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Yuqun Fan, Peiyun Di, Ye-Kui Wang
  • MEDIA DATA TRANSMISSION METHOD, CLIENT, AND SERVER
    Publication number: 20210218792
    Abstract: This application provides a media data transmission method and apparatus. The method includes: receiving, by a client, a media presentation description (MPD) file, where the MPD file includes priority indication information, and the priority indication information is used to indicate a priority or priorities of one or more overlays; and processing, by the client, the one or more overlays based on the priority indication information.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Yuqun FAN, Peiyun DI, Ye-Kui WANG