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).

  • Patent number: 12368844
    Abstract: Video coding and decoding methods are described. An example method includes performing a conversion between a current video block of a video and a bitstream representation of the current video block by determining a first intra coding mode to be stored which is associated with the current video block using a differential coding mode, where the first intra coding mode associated with the current video block is determined according to a second prediction mode used by the differential coding mode, and where, in the differential coding mode, a difference between a quantized residual of an intra prediction of the current video block and a prediction of the quantized residual is represented in the bitstream representation for the current video block using a differential pulse coding modulation (DPCM) representation.
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: July 22, 2025
    Assignee: Bytedance Inc.
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Hsiao Chiang Chuang
  • Patent number: 12365406
    Abstract: A system may include a first device and a second device. The first device may be configured to be associated with a component of a machine. The second device may be configured to provide one or more interrogation magnetic signals to the first device; and determine, based on providing the one or more interrogation magnetic signals, whether a response magnetic signal is received from the first device. The second device may selectively provide first wear information indicating a first amount of wear of the component or second wear information indicating a second amount of wear of the component. The first information may be provided when the response magnetic signal is received from the first device. The second wear information may be provided when the response magnetic signal is not received from the first device. The second amount of wear may exceed the first amount of wear.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: July 22, 2025
    Assignee: Caterpillar Inc.
    Inventors: Li Zhang, Eric J. Johannsen
  • Patent number: 12368841
    Abstract: A method for visual media processing, including: computing, during a conversion between a current video block of visual media data and a bitstream representation of the current video block, a cross-component linear model (CCLM) and/or a chroma residual scaling (CRS) factor for the current video block based, at least in part, on neighboring samples of a corresponding luma block which covers a top-left sample of a collocated luma block associated with the current video block, wherein one or more characteristics of the current video block are used for identifying the corresponding luma block.
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: July 22, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang, Jizheng Xu
  • Publication number: 20250234323
    Abstract: The present disclosure provides a method and an apparatus of processing a positioning information, an electronic device, and a storage medium, which may be applied to a field of a positioning technology. The method includes: acquiring, in response to a positioning request, a distance information of each of a plurality of base stations for a terminal device; determining, based on a plurality of distance information, a first position information of the terminal device in a first reference system determined based on the plurality of base stations; and determining a positioning information of the terminal device for a target object based on the first position information and a position information of the target object, where the position information of the target object is determined from a tomography result.
    Type: Application
    Filed: July 19, 2023
    Publication date: July 17, 2025
    Inventors: Zhiqiang CHEN, Li ZHANG, Yunda SU N, Le SHEN, Zhipeng Pl, Shuo WANG
  • Publication number: 20250229993
    Abstract: Provided are a system and a method for positioning a suspected article. The system includes a truss indicating mechanism defining a coordinate system having X, Y and Z directions perpendicular to each other. The truss indicating mechanism includes a first direction moving rail disposed on a truss body in one of the three directions; a second direction moving rail movably disposed on the first direction moving rail in a another of the three directions, the second direction moving rail is movable in the first direction relative to the first direction moving rail; and a ranging indicating device movably disposed on the second direction moving rail, the ranging indicating device is configured to be movable in the second direction relative to the second direction moving rail, and is configured to feed back position information of the suspected article in a to-be-inspected cargo by using coordinate information of the coordinate system.
    Type: Application
    Filed: July 20, 2023
    Publication date: July 17, 2025
    Inventors: Zhiqiang CHEN, Li ZHANG, Yuanjing LI, Qingping HUANG, Yingjia XU, Hui DING, Yong ZHOU, Junhao LIU, Weijun GUO
  • Publication number: 20250234008
    Abstract: A mechanism for processing video data is disclosed. The mechanism determines to predict a value of a residual coefficient based on a cost. A conversion is performed between a visual media data and the media data file based on the residual coefficient. The coefficient may be used in transform coding or transform-skip coding.
    Type: Application
    Filed: April 3, 2025
    Publication date: July 17, 2025
    Inventors: Mehdi Salehifar, Yuwen He, Kai Zhang, Li Zhang
  • Patent number: 12363348
    Abstract: Methods, devices and systems for video coding and encoding, which include conforming to constraints on collocated pictures, are described. One example method of video processing includes performing a conversion between a video including a current picture and a bitstream of the video, wherein the bitstream conforms to a format rule, and wherein the format rule specifies that the bitstream includes a flag for disabling a use of a temporal motion vector prediction tool for the current picture based on whether a reference picture in a decoded picture buffer has a spatial resolution and a scaling window offset that are identical to that of the current picture.
    Type: Grant
    Filed: August 16, 2023
    Date of Patent: July 15, 2025
    Assignee: Bytedance Inc.
    Inventors: Ye-kui Wang, Li Zhang
  • Patent number: 12363337
    Abstract: A method for processing a video includes performing a conversion between a current block of visual media data and a corresponding coded representation of the visual media data. The conversion of the current block includes determining whether a use of one or both of a bi-directional optical flow (BIO) technique or a decoder-side motion vector refinement (DMVR) technique to the current block is enabled or disabled. Determining the use of the BIO technique or the DMVR technique is based on a cost criterion associated with the current block.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: July 15, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 12363303
    Abstract: A method of video processing includes performing a conversion between a video including a video region and a bitstream of the video according to a rule. The rule specifies a relationship between enablement of a palette mode and a coding type of the video region. The video region may represent a coding block of the video.
    Type: Grant
    Filed: October 12, 2023
    Date of Patent: July 15, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
  • Patent number: 12363307
    Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a block of a video and a bitstream of the video according to a rule. The conversion is based on an adaptive motion vector difference resolution (AMVR) tool, and the rule specifies that selection of a context for a first bin within a bin string of a first syntax element that specifies the resolution of the motion vector difference associated with an AMVR shift is derived based on usage of a coding mode for the block.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: July 15, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Yang Wang, Li Zhang, Zhipin Deng, Kai Zhang, Hongbin Liu
  • Patent number: 12361549
    Abstract: The present disclosure is related to systems and methods for determining a resolution of a dictionary for a magnetic resonance fingerprinting (MRF) reconstruction. The method includes obtaining one or more tissue properties; determining an image resolution condition based on an image resolution of the MRF reconstruction; and determining, based on a fitness function and the image resolution condition, a target step size for each of the one or more tissue properties. The target step size for the each of the one more tissue properties is an optimal solution of the fitness function, which represents an imaging velocity of the MRF reconstruction. The target step size for the each of the one more tissue properties satisfies the image resolution condition.
    Type: Grant
    Filed: December 24, 2022
    Date of Patent: July 15, 2025
    Assignee: SHENZHEN UNITED IMAGING RESEARCH INSTITUTE OF INNOVATIVE MEDICAL EQUIPMENT INNOVATION RESEARCH
    Inventor: Li Zhang
  • Publication number: 20250225941
    Abstract: In accordance with an embodiment, a display driver is configured to drive pixel units arranged in an array on a display panel that includes a first display area and a second display area to perform image display operations. In response to both the first display area and the second display area performing the image display operations, a time sequence control circuit in the display driver continuously outputs a scanning-related signal, a data-related signal, and a light-emitting-related signal in first duration and second duration. In response to the first display area performing the image display operations and the second display area stopping performing the image display operations, the time sequence control circuit stops outputting the scanning-related signal, the data-related signal, and the light-emitting-related signal in the second duration.
    Type: Application
    Filed: March 28, 2025
    Publication date: July 10, 2025
    Inventors: Li Zhang, Haohui Long, Xiaoyu Li
  • Patent number: 12351952
    Abstract: A compression ski suit includes a top and trousers. The top is integrally knitted, and corresponding functional knitted structures are arranged on shoulder parts, upper arm parts, elbow parts, a chest part and a back part of the top according to functional divisions of human body parts. The trousers are integrally knitted, and corresponding functional knitted structures are arranged on outer thigh parts, inner thigh parts, knee parts and rear shank parts of the trousers according to the functional divisions of the human body parts.
    Type: Grant
    Filed: December 1, 2024
    Date of Patent: July 8, 2025
    Assignee: Suzhou Rainbow Fashion Co., Ltd
    Inventors: Chao Yan, Li Niu, Li Zhang, Yan Zhang
  • Patent number: 12352706
    Abstract: A radiographic inspection device is provided, including: a plurality of inspection channels, a scanning apparatus, a driving apparatus and a controller. The plurality of inspection channels are arranged side by side, and each inspection channel is configured to carry an object to be inspected. The scanning apparatus includes a radiation source mounted outside the plurality of inspection channels, and a receiving apparatus mounted outside the plurality of inspection channels and configured to receive a radiation beam emitted from the radiation source. The driving apparatus is configured to drive the radiation source and the receiving apparatus to move to a vicinity of each inspection channel. The controller is configured to control the scanning apparatus moved to the vicinity of one of the plurality of inspection channels to scan the object in the one of the plurality of inspection channels.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: July 8, 2025
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Li Zhang, Qingping Huang, Mingzhi Hong, Zinan Wang
  • Patent number: 12355979
    Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, a final prediction P(x, y) of a chroma sample at a position (x, y) in the current video block as a combination of prediction results of multiple cross-component linear models (MCCLMs), wherein the MCCLMs are selected based on the position (x, y) of the chroma sample; and performing the conversion based on the final prediction.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: July 8, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 12355983
    Abstract: A method for video processing includes determining, for a conversion between a current video block of a video and a coded representation of the video, whether an intra block copy (IBC) mode in which a prediction block for the current video block is calculated based on a block vector in a picture that includes current video block is enabled based on a rule on a block dimension; and performing the conversion based on the determining.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: July 8, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Publication number: 20250220248
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, for a conversion between a current video unit of a video and a bitstream of the video, a neural network filter to the current video unit at least based on auxiliary information associated with the current video unit, the auxiliary information including at least one of: prediction information of the current video unit, partitioning information of the current video unit, or coding information of a previously coded video unit; and performing the conversion based on the applying.
    Type: Application
    Filed: March 21, 2025
    Publication date: July 3, 2025
    Inventors: Yue LI, Ye-Kui WANG, Junru LI, Chaoyi LIN, Kai ZHANG, Li ZHANG
  • Publication number: 20250220236
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed.
    Type: Application
    Filed: February 4, 2025
    Publication date: July 3, 2025
    Inventors: Wei JIA, Kai ZHANG, Yang WANG, Tianliang FU, Yue LI, Li ZHANG
  • Publication number: 20250214847
    Abstract: A process for forming a porous spherical silica material is provided. The process comprises mixing an alkali silicate with a mineral acid at pH and temperature sufficient to form a silica sol, mixing the silica sol with an oil and a surfactant to form a water-in-oil type emulsion, adding an alkaline solution to the emulsion to form a gel, adding a demulsifying agent and heating to a temperature of from about 60°° C. to about 90° C., and filtering, washing, optionally aging, and drying to obtain the porous spherical silica gel particles.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 3, 2025
    Inventors: Linping Xu, Dave Chapman, Li Zhang, Michael Baptiste, Jr., Jamin L. Krinsky, John H. Hain, Jr.
  • Patent number: 12348713
    Abstract: A method of video processing includes determining a classification of samples of a block in a video picture of a video according to a rule, wherein the video picture is divided into multiple regions, and wherein the rule disallows use of neighboring samples of a current sample across one or more boundaries of the multiple regions for the classification. The one or more boundaries of the multiple regions comprises a virtual boundary for an adaptive loop filtering (ALF) process. The method also includes performing a conversion between the block and a bitstream representation of the video by selectively applying the ALF process according to the classification.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: July 1, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang