Patents by Inventor Li Zhang

Li 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).

  • SIGNALING AND SYNTAX FOR IN-LOOP RESHAPING INFORMATION
    Publication number: 20210321121
    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: June 24, 2021
    Publication date: October 14, 2021
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Jizheng XU, Yue WANG
  • SIGNALING OF RESHAPING INFORMATION IN VIDEO PROCESSING
    Publication number: 20210321140
    Abstract: A video processing method is provided, including: performing a conversion between a coded representation of a video including one or more video regions and the video, wherein the coded representation includes reshaping model information applicable for in-loop reshaping (ILR) of some of the one or more video regions, wherein the reshaping model information provides information for a reconstruction of a video unit of a video region based on a representation in a first domain and a second domain and/or scaling chroma residue of a chroma video unit, wherein the reshaping model information includes a parameter set that includes a first syntax element that derives a number of bits used to represent a second syntax element specifying an absolute delta codeword value from a corresponding bin, and wherein the first syntax element has a value smaller than a threshold.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Inventors: Kai ZHANG, Li ZHANG, Hongbin LIU, Yue WANG
  • ELECTRIC FIELD PROBE AND MAGNETIC FIELD PROBE CALIBRATION SYSTEM AND METHOD BASED ON MULTIPLE COMPONENTS
    Publication number: 20210318404
    Abstract: The present application discloses calibration system and method for an electric field probe and a magnetic field probe based on multiple components. The system includes a microstrip line calibration assembly, a clamp, a vector network analyzer and a data processing unit; two groups of microstrip lines included in the microstrip line calibration assembly can be distributed on different routing layers of the same PCB board or on independent PCB boards; the first group of microstrip lines is single microstrip lines or differential lines under common mode excitation, which are used to generate a main component Hy of a magnetic field, and the second group of microstrip lines is differential lines under differential mode excitation, which are used to generate a main component Ex of an electric field.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Inventors: Xingchang WEI, Li ZHANG
  • MOST PROBABLE MODE LIST CONSTRUCTION FOR MATRIX-BASED INTRA PREDICTION
    Publication number: 20210321090
    Abstract: Devices, systems, and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In a representative aspect, a method for video processing includes generating, for a conversion between a current video block of a video and a coded representation of the current video block, a most probable mode (MPM) list based on a rule, where the rule is based on whether a neighboring video block of the current video block is coded with a matrix based intra prediction (MUP) mode, and performing the conversion between the current video block and the coded representation of the current video block using the MPM list, where the conversion applies a non-MIP mode to the current video block, and where the non-MUP mode is different from the MIP mode.
    Type: Application
    Filed: June 9, 2021
    Publication date: October 14, 2021
    Inventors: Zhipin DENG, Kai ZHANG, Li ZHANG, Hongbin LIU, Jizheng XU
  • ROTARY CAGE TYPE OPTICAL DISK LIBRARY STORAGE SYSTEM CAPABLE OF REPLACING OPTICAL DISKS
    Publication number: 20210319807
    Abstract: Disclosed is a rotary cage type optical disk library storage system capable of replacing optical disks. The device includes a case, a burning device, and a rotary cage storage device. The burning device is fixed in the case and includes a burn cabinet, a disk feeding mechanism and an internal gripping mechanism. Multiple optical disk cartridges are arranged in layers from top to bottom in the burning cabinet. The disk feeding mechanism is located just below the burning cabinet. The internal gripping mechanism can move up and down and grab and place the optical disk. The rotary cage storage device and the burning device are fixed in the case side by side. The rotary cage storage device includes a rotary cage mechanism, a rotary cage cassette placed in the rotary cage mechanism for storing optical disks, and a belt drive mechanism driving the rotary cage mechanism to rotate.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 14, 2021
    Inventors: Li ZHANG, Meng NING, Ziqiang ZHANG, Weixi YOU, Shijie BAI
  • ELECTRONIC DEVICE AND METHOD FOR DETECTING AND COMPENSATING CNC TOOLS
    Publication number: 20210316413
    Abstract: A method for detecting and compensating CNC tools being implemented in an electronic device, receives from a detector first parameters and second parameters in respect of a first tool. Such first parameters include at least one of service life, blade break information, and blade chipping information of the first tool, and such second parameters include at least one of length extension information, length wear information, radial wear information, and blade thickness wear information of the first tool. Based on the first parameters, instructions to process the workpiece are transmitted or not. Upon receiving the second parameters, instructions to adjust operation of the first tool are transmitted, to compensate for deterioration in normal use.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 14, 2021
    Inventors: HSING-CHIH HSU, ZHAO-YAO YI, LEI ZHU, CHANG-LI ZHANG, ER-YANG MA, CHIH-SHENG LIN, FENG XIE, MING-TAO LUO
  • Parallel data processing for service function chains spanning multiple servers
    Patent number: 11146506
    Abstract: Systems, computer-readable media, and methods are disclosed for parallel data processing for service function chains with network functions spanning multiple servers. An example system includes a first server hosting a first network function of a service function chain, a second server hosting a second network function of the service function chain, a mirror function deployed in a first switch to replicate a plurality of packets received by the system and to send respective copies of the plurality of packets to the first network function and to at least one of the second network function and a third network function of the service function chain, and a merge function deployed in a second switch to merge respective outputs of the first network function and the at least one of the second network function and the third network function.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 12, 2021
    Assignees: AT&T INTELLECTUAL PROPERTY I, L.P., REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Bo Han, Vijay Gopalakrishnan, Muhammad Bilal Anwer, Zhi-Li Zhang, Yang Zhang
  • Checking order of motion candidates in LUT
    Patent number: 11146786
    Abstract: A method of video processing includes maintaining tables, wherein each table includes a set of motion candidates and each motion candidate is associated with corresponding motion information; and performing a conversion between a first video block and a bitstream representation of a video including the first video block based on at least some of tables, the performing including checking motion candidates in a table in an order defined in a rule until a checking termination criteria is met.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 12, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • BCMA-targeted chimeric antigen receptor as well as preparation method therefor and application thereof
    Patent number: 11142581
    Abstract: The present invention provides a BCMA-targeted chimeric antigen receptor (CAR) as well as a preparation method therefor and an application thereof. Specifically, the present invention provides the BCMA-targeted CAR, which comprises a BCMA-targeted scFv, a hinge region, a transmembrane region, and an intracellular signal structure domain. The present invention provides a nucleic acid molecule for coding the CAR and a corresponding expression vector as well as CAR-T cells and application thereof. The CAR of the present invention targets BCMA-positive cells, and can be used for treating BCMA-positive B-cell lymphoma, multiple myeloma and plasma cell leukemia.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: October 12, 2021
    Assignee: CELLULAR BIOMEDICINE GROUP HK LIMITED
    Inventors: Yutian Wei, Lin Zhu, Yanfeng Li, Yihong Yao, Xin Yao, Jiaqi Huang, Li Zhang, Shigui Zhu, Xiaoteng Lv
  • Selection of coded motion information for LUT updating
    Patent number: 11146785
    Abstract: A method of video decoding includes maintaining a number of tables, wherein each table includes a set of motion candidates, wherein each motion candidate is associated with corresponding motion information derived from previously video blocks, performing a conversion between a video block and a coded representation of the video block, and determining, based on a conversion condition of the video block, whether to update at least one of the tables by adding motion information corresponding to the video block.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: October 12, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Using combined inter intra prediction in video processing
    Patent number: 11146797
    Abstract: Techniques for implementing video processing techniques are described. In one example implementation, a method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, whether a combined inter and intra prediction (CIIP) coding technique is to be applied to the current block based on a characteristic of the current block. The CIIP coding technique uses an intermedia inter prediction value and an intermedia intra prediction value to derive a final prediction value of the current block. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: October 12, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • TWO STEP CROSS-COMPONENT PREDICTION MODE
    Publication number: 20210314595
    Abstract: A method for video bitstream processing includes generating, using a first video block derived from a third video block of a first component and having a first size, a prediction block for a second video block of a video related to a second component, where the first component is different from the second component, and where the second video block has a second size that is different from the first size. The method also includes performing, using the prediction block, a conversion between the second video block and a bitstream representation of the video according to a two-step cross-component prediction mode (TSCPM).
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Jizheng XU, Yue WANG
  • INTRA BLOCK COPY MODE WITH DUAL TREE PARTITION
    Publication number: 20210314610
    Abstract: The application relates to an intra block copy mode with dual tree partition. A method of video processing is disclosed. The method of video processing includes: determining, during a conversion between a current video block and a bitstream representation of the current video block, a block vector for the current video block; and performing, at least based on the block vector, the conversion, wherein when the current video block is coded with a coding mode using a reference block for prediction pointing to a same picture that the current video block is located in, and the current video block is a first type of block, the block vector is derived from at least one second type of block.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Jizheng XU, Kai ZHANG, Li ZHANG, Hongbin LIU, Yue WANG
  • MULTI-PARAMETER ADAPTIVE LOOP FILTERING IN VIDEO PROCESSING
    Publication number: 20210314628
    Abstract: Devices, systems and methods for video processing are described. In an exemplary aspect, a method for video processing includes performing a conversion between a coded representation of a video comprising one or more video regions and the video. The coded representation includes first side information that provides a clipping parameter for filtering a reconstruction of a video unit of a video region using a non-linear adaptive loop filter, and wherein the first side information is signaled together with second side information indicative of filter coefficients used in the non-linear adaptive loop filter.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Yue WANG
  • CONFIGURING LUMA-DEPENDENT CHROMA RESIDUE SCALING FOR VIDEO CODING
    Publication number: 20210314572
    Abstract: A method for video processing is provided to include: performing a conversion between a current video block of a video that is a chroma block and a coded representation of the video, wherein, during the conversion, the current video block is constructed based on a first domain and a second domain, and wherein the conversion further includes applying a forward reshaping process and/or an inverse reshaping process to one or more chroma components of the current video block.
    Type: Application
    Filed: May 17, 2021
    Publication date: October 7, 2021
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Jizheng XU, Yue WANG
  • Checking order of motion candidates in LUT
    Patent number: 11140385
    Abstract: A method of video processing includes maintaining tables, wherein each table includes a set of motion candidates and each motion candidate is associated with corresponding motion information; and performing a conversion between a first video block and a bitstream representation of a video including the first video block based on at least some of tables, the performing including checking motion candidates in a table in an order defined in a rule until a checking termination criteria is met.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 5, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Interaction between look up table and shared merge list
    Patent number: 11140383
    Abstract: A method for video processing is provided to comprise: determining, whether to use a temporal prediction for obtaining an adaptive loop filter for a conversion between a current video block of a video and a coded representation of the video, based on whether a cross-tile prediction is enabled; and performing the conversion using an adaptive loop filter that is obtained based on the determining.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: October 5, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Motion candidate list construction for intra block copy (IBC) mode and non-IBC inter mode
    Patent number: 11140412
    Abstract: A method for video processing is provided to include constructing, during a conversion between a current video block and a coded representation of the current video block, an intra block copy (IBC) motion candidate list, wherein insertion of motion candidates to the IBC motion candidate list is subject to a size restriction; and performing the conversion using the IBC motion candidate list.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: October 5, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Storage controller acceleration for neural network training and inference
    Patent number: 11138494
    Abstract: A storage controller of a machine receives training data associated with a neural network model. The neural network model includes a plurality of layers, and the machine further including at least one graphics processing unit. The storage controller trains at least one layer of the plurality of layers of the neural network model using the training data to generate processed training data. A size of the processed data is less than a size of the training data. Training of the at least one layer includes adjusting one or more weights of the at least one layer using the training data. The storage controller sends the processed training data to at least one graphics processing unit of the machine. The at least one graphics processing unit is configured to store the processed training data and train one or more remaining layers of the plurality of layers using the processed training data.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: October 5, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Minwei Feng, Yufei Ren, Yandong Wang, Li Zhang, Wei Zhang
  • Coordination method for sub-block based inter prediction
    Patent number: 11140386
    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: Grant
    Filed: January 28, 2021
    Date of Patent: October 5, 2021
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang