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).

  • Publication number: 20250056014
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between a current video block of a video and a bitstream of the video, a value for a metric of a blending region in a direction, the blending region being comprised in a target region associated with the current video block, the value being determined from a plurality of predetermined values for the metric, values for samples of the blending region being determined based on values for samples of a first part of the target region and values for samples of a second part of the target region; and performing the conversion based on the value for the metric.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 13, 2025
    Inventors: Zhipin DENG, Kai ZHANG, Li ZHANG
  • Publication number: 20250056613
    Abstract: This application provides a neighbor cell measurement method and a communication apparatus. The method includes: determining N1 to-be-measured neighbor cells of a terminal device, where N1 is a positive integer; obtaining first information, where the first information is used to determine information sending modes of N2 neighbor cells in the N1 neighbor cells, the information sending mode includes a listen before talk LBT mode or a no-LBT mode, and N2 is a positive integer less than or equal to N1; and performing neighbor cell measurement on the N1 neighbor cells based on the first information.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 13, 2025
    Inventors: Zhongyi Shen, Li Zhang, Jing Han, Jiayin Zhang
  • Publication number: 20250049698
    Abstract: The present invention relates to a method for obtaining a bioactive serum fraction derived from fresh rose flowers (Rosa spp.). The present invention also provides bioactive serum fractions and bioactive extracts derived from fresh rose flowers (Rosa spp.) and compositions comprising the same. The present invention further relates to a method of cosmetic treatment for improving skin appearance associated with antioxidant and antiaging properties of the bioactive serum fraction and the bioactive extract derived from fresh rose flowers (Rosa spp.).
    Type: Application
    Filed: December 14, 2022
    Publication date: February 13, 2025
    Applicant: ISP INVESTMENTS LLC
    Inventors: Michael KOGANOV, Olga DUEVA-KOGANOV, Artyom DUEV, Li ZHANG, Paul RECHT, Steven MICCERI
  • Publication number: 20250047891
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between a current video block of a video and a bitstream of the video, a first motion vector (MV) for a target video block, the target video block being determined by applying a sample adjusting process to a plurality of samples of the current video block; adjusting the first MV based on a second MV generated for the target video block; and performing the conversion based on the adjusted first MV.
    Type: Application
    Filed: October 3, 2024
    Publication date: February 6, 2025
    Inventors: Zhipin DENG, Kai Zhang, Li Zhang
  • Publication number: 20250045984
    Abstract: A calibration assembly, including: a base; and a plurality of calibration wires dispersedly connected to the base. An absorption capacity of the calibration wire for X rays is greater than that of the base for X rays. Through a specific structure design of a plurality of calibration wires in the calibration assembly, the calibration wires are dispersedly connected to the base, and taking advantage of the characteristics that the absorption capacity of the calibration wire for X rays is greater than that of the base for X rays, the calibration wires are applied to the calibration phantom, and the calibration phantom is scanned in the scanning system. By continuously adjusting the geometric parameter values in the imaging method, the optimal geometric parameter values that are closest to the real scanning system structure may be obtained, thereby improving the imaging effect of the scanning system.
    Type: Application
    Filed: October 24, 2022
    Publication date: February 6, 2025
    Inventors: Li ZHANG, Zhiqiang CHEN, Yunda SUN, Xinbin LI, Zhenhua ZHAO, Tiao ZHAO, Xin JIN
  • Publication number: 20250047844
    Abstract: Embodiments of the present disclosure provide a method for video processing. The method comprises: obtaining, during a conversion between a current chroma block of a video and a bitstream of the video, the number of lines for determining at least one filter coefficient for a convolutional cross-component model (CCCM) for the current chroma block; and performing the conversion based on the number of lines. Compared with the conventional solution, the proposed method can advantageously improve coding efficiency.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Inventors: Yang WANG, Kai Zhang, Li Zhang
  • Publication number: 20250047855
    Abstract: Method of processing video data is disclosed. A method for video processing includes dividing, for a conversion between a block of a video and a bitstream of the block, syntax elements associated with the block into different groups of syntax elements; applying controls on the different groups of syntax elements separately; and performing the conversion based on the controls.
    Type: Application
    Filed: September 25, 2024
    Publication date: February 6, 2025
    Inventors: Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Weijia Zhu
  • Publication number: 20250048490
    Abstract: Methods, apparatus, and systems that relate to unified extended Discontinuous Reception (eDRX) cycles and Paging Time Window (PTW) lengths for the Core Network (CN) and the Radio Access Network (RAN) are disclosed. In one example aspect, a method for wireless communication includes receiving, by a terminal device, configuration information about a first eDRX cycle for a core network and a second eDRX cycle for an access node. The configuration information indicates applicability of a cycle length that is greater than 10.24 seconds upon the terminal device being in a non-active state. The method also includes performing a communication by the terminal device based on the configuration information.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Inventor: Li ZHANG
  • Publication number: 20250046012
    Abstract: An inspection system and method, the inspection system includes: a carrying device, at least one ray source and a detector assembly. The ray source and the detector assembly are lifted or lowered along a central axis of the carrying device relative to the carrying device. When viewed along the central axis, the ray source is translatable between scanning positions relative to the carrying device. When the ray source is at one of the scanning positions the ray source and the detector assembly are lifted or lowered relative to the carrying device along the central axis, and the ray source emits X-rays; and when the ray source and the detector assembly are lifted or lowered a predetermined distance the ray source translates to another scanning position. The inspection system further reconstructs a three-dimensional scanning image of the object to be inspected based on detection data of the detector assembly.
    Type: Application
    Filed: July 6, 2022
    Publication date: February 6, 2025
    Inventors: Li ZHANG, Zhiqiang CHEN, Qingping HUANG, Hui DING, Yong ZHOU, Xin JIN, Liming YAO
  • Publication number: 20250047892
    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 video unit of a video and a bitstream of the video unit, a processing procedure to at least one motion candidate in a motion candidate list; reordering at least one subgroup of motion candidates in the motion candidate list by applying a first reordering procedure to the motion candidate list after the processing procedure, wherein the processing procedure comprises at least one of: a modification process, a motion refinement process, or a second reordering process; and performing the conversion based on the reordered motion candidates.
    Type: Application
    Filed: October 14, 2024
    Publication date: February 6, 2025
    Inventors: Yang WANG, Kai Zhang, Na Zhang, Li Zhang, Hongbin Liu
  • Patent number: 12219136
    Abstract: A video processing method includes determining, for a conversion between a current block of a video and a bitstream representation of the video, whether to enable a level mapping operation or a level remapping operation based on a rule, wherein the level mapping operation or the level remapping operation includes changing between a first representation of a residual coefficient of the current block and a second representation of the residual coefficient of the current block based on neighboring residual coefficients of the residual coefficient; and performing the conversion by selectively using the level mapping operation or the level remapping operation based on the determining.
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: February 4, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Jizheng Xu, Hongbin Liu, Yue Wang
  • Patent number: 12219167
    Abstract: Methods, devices and systems for intra-block coding based decoding or encoding of video while using block vector signaling and/or merge candidates are disclosed. An example method for video processing includes performing a conversion between a video region of a video and a bitstream representation of the video, wherein the bitstream representation selectively includes motion vector difference (MVD) related syntax elements for an intra block copy (IBC) advanced motion vector prediction (AMVP) mode based on a maximum number of a first type of IBC candidates used during the conversion of the video region, wherein, when an IBC mode is applied, samples of the video region are predicted from other samples in a video picture corresponding to the video region.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: February 4, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu
  • Patent number: 12219165
    Abstract: A method of video processing is described. The method includes determining chroma weights used for determining a chroma prediction block of a chroma block of a current block of a video by blending predictions of the chroma block according to a rule, and performing a conversion between the current block and a coded representation of the video according to the determining. The rule specifies that the chroma weights are determined from luma weights of a collocated luma block of the current block. The current block is coded with a geometric partitioning mode.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: February 4, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 12219138
    Abstract: Devices, systems and methods for digital video coding, which includes using multiple transforms, are described. In a representative aspect, a method for video processing includes selecting, as part of a multiple transform selection (MTS) process, a common transform as both a vertical transform and a horizontal transform, and applying, as part of performing a conversion between a current block of a video and a bitstream representation of the video, the vertical transform and the horizontal transform to the current block.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: February 4, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Yang Wang, Yue Wang
  • Patent number: 12219166
    Abstract: Example implementations include methods, apparatuses and computer storage media for video processing. One example method comprises determining, during a conversion between a current video block of a video and a bitstream of the video, a motion candidate for the current video block; refining the motion candidate by performing a local search around the motion candidate based on a template matching cost rule; and performing the conversion based on the refined motion candidate, wherein a search order of the local search is related to a coding mode of the current video block.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: February 4, 2025
    Assignee: LEMON INC.
    Inventors: Na Zhang, Kai Zhang, Hongbin Liu, Li Zhang, Yue Wang
  • Publication number: 20250039434
    Abstract: Embodiments of the present disclosure relates to constraints for usage of updated motion information. A method for video processing is provided, including: determining original motion information associated with a current block; generating updated motion information based on specific prediction mode; and performing, based on the updated motion information, a conversion between the current block and a bitstream representation of a video data including the current block, wherein the specific prediction mode includes one or more of bi-directional optical flow (BIO) refinement, a decoder-side motion vector refinement (DMVR), frame-rate up conversion (FRUC) techniques or a template matching technique.
    Type: Application
    Filed: October 7, 2024
    Publication date: January 30, 2025
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Yue Wang
  • Publication number: 20250039429
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, that a first prediction mode is applied to the current block, determining, in the prediction mode, a block vector for the current video block based on at least one motion candidate and block vector difference information; and performing the conversion based on the block vector.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Inventors: Na ZHANG, Jizheng XU, Kai ZHANG, Mehdi SALEHIFAR, Li ZHANG
  • Publication number: 20250039414
    Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, for a conversion between a video unit of a video and a bitstream of the video, a chroma block of the video unit based on a prediction mode of a luma block of the video unit; and performing the conversion based on the chroma block.
    Type: Application
    Filed: October 14, 2024
    Publication date: January 30, 2025
    Inventors: Zhipin DENG, Kai Zhang, Li Zhang
  • Publication number: 20250039461
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: performing a conversion between a current video block of a video and a bitstream of the video, wherein a syntax element associated with adjustment of samples of the current video block is coded with a bypass mode or a context model.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Inventors: Zhipin DENG, Kai Zhang, Li Zhang
  • Publication number: 20250039407
    Abstract: Devices, systems, and methods for palette mode coding are described. An exemplary method for video processing includes determining, for a conversion between a block of a video region in a video and a bitstream representation of the video, a prediction mode based on one or more allowed prediction modes that include at least a palette mode of the block. An indication of usage of the palette mode is determined according to the prediction mode. The method also includes performing the conversion based on the one or more allowed prediction modes.
    Type: Application
    Filed: October 15, 2024
    Publication date: January 30, 2025
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang