Patents by Inventor Kai Zhang

Kai Zhang 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).

  • Display Panel and Preparation Method thereof, and Display Touch Apparatus
    Publication number: 20240111376
    Abstract: Disclosed is a display panel including a base substrate. The base substrate includes a display region, a wiring lead-out region and a signal access region that are located on a side of the display region. The wiring lead-out region is located between the display region and the signal access region. The wiring lead-out region includes: at least one first power supply line, at least one first touch signal line, and at least one first display signal line that are disposed on the base substrate. The first touch signal line is located on a side of the first power supply line away from the base substrate, and the first display signal line is located on a side of the first power supply line close to the base substrate.
    Type: Application
    Filed: May 11, 2021
    Publication date: April 4, 2024
    Inventors: Wenhui GAO, Peng XU, Shun ZHANG, Tiaomei ZHANG, Kai ZHANG, Zhiliang JIANG, Lingran WANG
  • Syntax For Signaling Cross-Component Video Coding
    Publication number: 20240114141
    Abstract: A method of video processing is provided to include determining, for a conversion between a video block of a video and a bitstream of the video, a parameter of a cross-component linear model (CCLM) for the video block according to a rule, and performing the conversion based on the determining, and wherein the rule specifies to use a variable representing a neighbouring luma sample in the determining of the parameter of the CCLM only in case that the variable has a certain value.
    Type: Application
    Filed: November 27, 2023
    Publication date: April 4, 2024
    Inventors: Yang Wang, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • General Constraints Information for Video Coding
    Publication number: 20240114156
    Abstract: A method for implementing an adaptive color transform (ACT) during image/video encoding and decoding, includes determining, for a conversion between a video including a block and a bitstream of the video, that a size of the block is greater than a maximum allowed size for an ACT mode, and performing, based on the determining, the conversion, wherein, in response to the size of the block being greater than the maximum allowed size for the ACT mode, the block is partitioned into multiple sub-blocks, and wherein each of the multiple sub-blocks share a same prediction mode, and the ACT mode is enabled at a sub-block level.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 4, 2024
    Inventors: Weijia Zhu, Jizheng Xu, Li Zhang, Kai Zhang, Yue Wang
  • Component-Dependent Sub-Block Dividing
    Publication number: 20240114154
    Abstract: Devices, systems and methods for sub-block based prediction are described. In a representative aspect, a method for video encoding includes partitioning, based on a first rule, a luma component of a block of video data into a first set of sub-blocks. The method also includes partitioning, based on a second rule, a first chroma component of the block of video data into a second set of sub-blocks. The first and the second set of sub-blocks include different numbers of sub-blocks. The method also includes performing a subsequent motion prediction based on the first and the second set of sub-blocks.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 4, 2024
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Yue Wang
  • PRECISE ION IMPLANTATION TYPE MODIFIED GEOPOLYMER AND PREPARATION METHOD THEREOF
    Publication number: 20240109809
    Abstract: The present application provides a precise ion implantation type modified geopolymer and an efficient preparation method thereof, wherein the precise ion implantation type modified geopolymer comprise: a geopolymer source material with a specific size, which implanted by Si and Al ions with a designated dose by an ion implanter. The geopolymer source material consists of a mixture of solid waste, alkali activator, and water.
    Type: Application
    Filed: April 5, 2023
    Publication date: April 4, 2024
    Inventors: Haifeng LU, Kai ZHANG, Dong He, Xiaoxuan KONG, Xiangheng XIAO, Hang XU
  • Video region partition based on color format
    Patent number: 11949880
    Abstract: A method of video processing is described. The method includes determining, for a conversion between a current video block of a video and a coded representation of the video, whether a certain partitioning scheme is allowed for the current video block according to a rule that depends on a coding mode type used for representing the current video block in the coded representation and a dimension of the current video block; and performing the conversion based on the determining.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: April 2, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
  • Thickness detection device, method and system
    Patent number: 11946739
    Abstract: Disclosed are a thickness detection device, method and system, a storage medium and a processor. The thickness detection device includes: a detection unit, including a plurality of thickness detection chips, wherein the thickness detection chips are sequentially arranged at least in a second direction; and a common unit, arranged opposite and spaced from the detection unit in a first direction, wherein distances between at least two positions of a first surface of the common unit and the detection unit are different, the second direction is perpendicular to the first direction and a moving direction of an object to be detected, and the first surface is a surface of the common unit which is close to the measurement unit.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 2, 2024
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Yonghui Lin, Kai Zhang, Xiaofeng Sun, Rongxin Song, Tao Qu
  • Unified neural network in-loop filter signaling
    Patent number: 11949918
    Abstract: A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample. The NN filter is applied based on a syntax element of the video unit. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: April 2, 2024
    Assignees: LEMON INC., BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC., BYTEDANCE (HK) LIMITED
    Inventors: Yue Li, Li Zhang, Kai Zhang, Junru Li, Meng Wang, Siwei Ma, Shiqi Wang
  • Concept Of Interweaved Prediction
    Publication number: 20240107053
    Abstract: Methods, systems, and devices related to sub-block based motion prediction in video coding are described. In one representative aspect, a video processing method includes partitioning a video block into a first set of sub-blocks according to a first pattern, partitioning the video block into a second set of sub-blocks according to a second pattern, in which at least one sub-block in the second set has a different size than a sub-block in the first set, and determining a prediction block corresponding to a combination of a first intermediate prediction block that is predictively generated from the first set of sub-blocks and a second intermediate prediction block that is predictively generated from the second set of sub-blocks.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 28, 2024
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Yue Wang
  • SIGNALING AND SYNTAX FOR IN-LOOP RESHAPING INFORMATION
    Publication number: 20240107035
    Abstract: A method for video processing is provided to include: performing a conversion between a current video block of a video and a coded representation of current video block, wherein the conversion uses a coding mode in which the current video block is constructed based on a first domain and a second domain and/or chroma residue is scaled in a luma-dependent manner, and wherein information used for the coding mode is signaled in a parameter set that is different from a sequence parameter set (SPS), a video parameter set (VPS), a picture parameter set (PPS), or an adaptation parameter set (APS) used for carrying adaptive loop filtering (ALF) parameters.
    Type: Application
    Filed: October 24, 2023
    Publication date: March 28, 2024
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Palette Mode For Local Dual Tree
    Publication number: 20240107037
    Abstract: Video processing methods, systems and appratrus are described. One example method includes performing a conversion between a video block of a video and a bitstream of the video using a palette mode in which samples of the video block are represented using a palette of representive color values. A size of the palette of the video block is determined based on whether a local dual tree is applied for the conversion.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 28, 2024
    Inventors: Jizheng Xu, Li Zhang, Ye-kui Wang, Kai Zhang, Weijia Zhu, Yue Wang, Yang Wang, Hongbin Liu
  • JOINT CODING OF CHROMA RESIDUAL AND FILTERING IN VIDEO PROCESSING
    Publication number: 20240107038
    Abstract: An example method of video processing includes determining, for a conversion between a chroma block of a video and a bitstream representation of the video, applicability of a deblocking filter process to at least some samples at an edge of the chroma block based on a mode of joint coding of chroma residuals for the chroma block. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 28, 2024
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang
  • Handling Video Unit Boundaries And Virtual Boundaries
    Publication number: 20240107014
    Abstract: A method of video processing includes determining, for a conversion between a picture of a video that includes one or more blocks and a bitstream representation of the video, whether a virtual boundary is enabled for a block within the picture for a filtering process based on a rule related to a relationship between a bottom boundary of the block and the picture. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 28, 2024
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Reference Picture Resampling
    Publication number: 20240107071
    Abstract: Examples of video encoding methods and apparatus and video decoding methods and apparatus are described. An example method of video processing includes performing a conversion between a current picture of a video and a bitstream of the video according to a rule. The rule specifies that a number of entries in a reference picture list of the current picture is greater than 0 in response to (1) one or more slices in the current picture being allowed to have a slice type other than an Intra (I) slice type, and (2) reference picture list (RPL) information being present in a picture header.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Inventors: Zhipin Deng, Li Zhang, Ye-kui Wang, Kai Zhang
  • Prediction Refinement For Affine Merge And Affine Motion Vector Prediction Mode
    Publication number: 20240107013
    Abstract: A method includes determining, for a conversion between a video block of a video and a bitstream of the video, a size of prediction block corresponding to the video block according to a rule. The method also includes performing the conversion based on the determining. The rule specifies that a first size of the prediction block is determined responsive to whether a prediction refinement using optical flow technique is used for coding the video block. The video block has a second size and is coded using an affine merge mode or an affine advanced motion vector prediction mode.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 28, 2024
    Inventors: Zhipin Deng, Li Zhang, Ye-kui Wang, Kai Zhang, Jizheng Xu
  • Reference Picture Resampling Activation In Video Coding
    Publication number: 20240107006
    Abstract: Methods, apparatus, systems for video processing, including video encoding or video decoding are described. One example method includes performing a conversion between a video comprising a video picture that includes a video slice and a bitstream of the video. The bitstream conforms to a format rule specifying that, in case a slice type of the video slice is type P and temporal motion vector prediction is enabled, usage of reference picture resampling (RPR) for a reference picture in a collocated reference picture list is disabled. The reference picture is indicated by a reference index of a collocated picture of the video slice used for the temporal motion vector prediction.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 28, 2024
    Inventors: Zhipin Deng, Li Zhang, Kai Zhang, Ye-kui Wang, Kui Fan
  • REFERENCE PICTURE INFORMATION SIGNALING IN A VIDEO BITSTREAM
    Publication number: 20240107067
    Abstract: A video processing method is provided to include performing a conversion between a video and a bitstream of the video, wherein the bitstream conforms to a format rule, and wherein the format rule specifies a condition that controls whether or how one or more syntax elements related to picture order counts for a long term reference picture are included in a reference picture list syntax structure in the bitstream.
    Type: Application
    Filed: October 30, 2023
    Publication date: March 28, 2024
    Inventors: Ye-kui Wang, Zhipin Deng, Li Zhang, Kai Zhang, Jizheng Xu
  • BLOCK SIZE DEPENDENT USE OF VIDEO CODING MODE
    Publication number: 20240107016
    Abstract: Methods, systems, and devices for coding or decoding video wherein the picture partition mode is based on block size are described. An example method for video processing includes using a dimension of a virtual pipeline data unit (VPDU) used for a conversion between a video comprising one or more video regions comprising one or more video blocks and a bitstream representation of the video to perform a determination of whether a ternary-tree (TT) or a binary tree (BT) partitioning of a video block of the one or more video blocks is enabled, and performing, based on the determination, the conversion, wherein the dimension is equal to VSize in luma samples, wherein dimensions of the video block are CtbSizeY in luma samples, wherein VSize=min(M, CtbSizeY), and wherein M is a positive integer.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 28, 2024
    Inventors: Zhipin Deng, Li Zhang, Kai Zhang, Hongbin Liu
  • CONSTRAINTS FOR VIDEO CODING AND DECODING
    Publication number: 20240107036
    Abstract: A method of video processing is provided that includes performing a conversion between a block of a video and a bitstream of the video. The bitstream conforms to a formatting rule specifying that a size of a merge estimation region (MER) is indicated in the bitstream and the size of the MER is based on a dimension of a video unit. The MER comprises a region used for deriving a motion candidate for the conversion.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 28, 2024
    Inventors: Kai Zhang, Zhipin Deng, Hongbin Liu, Li Zhang, Jizheng Xu, Ye-kui Wang
  • SUB-BLOCK BASED MOTION CANDIDATE SELECTION AND SIGNALING
    Publication number: 20240107007
    Abstract: Devices, systems and methods for digital video coding, which include sub-block based inter prediction methods, are described. An exemplary method for video processing includes determining, for a conversion between a current block of video and a bitstream representation of the video, a maximum number of candidates in a sub-block based merge candidate list and/or whether to add sub-block based temporal motion vector prediction (SbTMVP) candidates to the sub-block based merge candidate list based on whether temporal motion vector prediction (TMVP) is enabled for use during the conversion or whether a current picture referencing (CPR) coding mode is used for the conversion, and performing, based on the determining, the conversion.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang