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: 20240141347
    Abstract: An RNA delivery system for the treatment of Huntington's disease. The system comprises a viral vector, the viral vector carries RNA fragments capable of treating Huntington's disease, the viral vector is capable of enrichment in organ tissues of a host and endogenously and spontaneously forming a complex containing the RNA fragments capable of treating Huntington's disease in the organ tissues of the host, and the complex can deliver the RNA fragments into a target tissue to treat Huntington's disease. The safety and reliability of the RNA delivery system for the treatment of Huntington's disease have been fully verified. The system has good medicinal properties, strong versatility, and has economic benefits and application prospects.
    Type: Application
    Filed: September 28, 2023
    Publication date: May 2, 2024
    Inventors: Chenyu ZHANG, Xi CHEN, Zheng FU, Jing LI, Xiang ZHANG, Xinyan ZHOU, Li ZHANG, Mengchao YU, Hongyuan GUO
  • Publication number: 20240146971
    Abstract: Several techniques for video encoding and video decoding are described. One example method includes performing a conversion between a video picture of a video comprising one or more slices and a bitstream of the video picture according to a rule. The rule specifies that that whether a first syntax element indicating a usage of a coding tool is present at a first level is based on a syntax flag indicating whether a syntax structure of a second level is not present at the first level, wherein the second level is higher than the first level, and wherein the second level is the video picture level or higher than the video picture level.
    Type: Application
    Filed: May 19, 2023
    Publication date: May 2, 2024
    Inventors: Li Zhang, Ye-kui Wang
  • Publication number: 20240146927
    Abstract: Techniques for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video picture that includes one or more tiles and one or more rectangular slices and a bitstream of the video according to a rule. The rule specifies that, for iteratively determining information about the one or more rectangular slices, a variable indicating a tile index is updated only for slices having indices that are smaller than a value equal to a number of slices in the video picture minus 1.
    Type: Application
    Filed: November 27, 2023
    Publication date: May 2, 2024
    Inventors: Kai ZHANG, Li Zhang, Ye-Kui Wang, Zhipin Deng, Kui Fan, Jizheng Xu, Hongbin Liu
  • Publication number: 20240146929
    Abstract: Devices, systems, and methods for palette mode coding are described. An exemplary method for video processing includes performing a conversion between a block of a video and a bitstream representation of the video. The bitstream representation is processed according to a format rule that specifies a first indication of usage of a palette mode and a second indication of usage of an intra block copy (IBC) mode are signaled dependent of each other.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 2, 2024
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
  • Publication number: 20240146908
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, a cost metric for a target motion candidate for the target video block at least based on a matching cost of the target motion candidate; and performing the conversion based on a comparison of the cost metric and a further matching cost for the target video block. Compared with the conventional solution, the proposed method can advantageously improve the coding effectiveness and coding efficiency.
    Type: Application
    Filed: December 13, 2023
    Publication date: May 2, 2024
    Inventors: Na Zhang, Kai Zhang, Li Zhang
  • Publication number: 20240146907
    Abstract: Embodiments of the present disclosure provide a method for video processing. The method comprises: determining, during a conversion between a current video block of a video and a bitstream of the video, a geometric partition mode (GPM) partition index for the current video block, the GPM partition index being absent from the bitstream; and performing the conversion based on the GPM partition index. Compared with conventional solutions, the proposed method can advantageously reduce the coding bits while maintaining the coding quality.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Zhipin DENG, Kai ZHANG, Li ZHANG
  • Publication number: 20240146973
    Abstract: Methods, systems and apparatus for video processing are described. One example video processing method includes performing a conversion between a video including a video region and a bitstream of the video according to a rule, wherein the rule specifies that an adaptive loop filtering operation is allowed for the video region in response to an absence of one or more adaptation parameter set (APS) network abstraction layer (NAL) units that include adaptive loop filtering data.
    Type: Application
    Filed: December 1, 2023
    Publication date: May 2, 2024
    Inventors: Zhipin DENG, Ye-Kui WANG, Li ZHANG, Kai ZHANG
  • Patent number: 11972989
    Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Dongni Liu, Minghua Xuan, Jiao Zhao, Haoliang Zheng, Zhenyu Zhang, Liang Chen, Hao Chen, Jing Liu, Qi Qi
  • Patent number: 11973962
    Abstract: Devices, systems and methods for applying intra-block copy (IBC) in video coding are described. In general, methods for integrating IBC with existing motion compensation algorithms for video encoding and decoding are described. In a representative aspect, a method for video encoding using IBC includes determining whether a current block of the current picture is to be encoded using a motion compensation algorithm, and encoding, based on the determining, the current block by selectively applying an intra-block copy to the current block. In a representative aspect, another method for video encoding using IBC includes determining whether a current block of the current picture is to be encoded using an intra-block copy, and encoding, based on the determining, the current block by selectively applying a motion compensation algorithm to the current block.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: April 30, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11969844
    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: Grant
    Filed: April 12, 2021
    Date of Patent: April 30, 2024
    Assignee: Fulian Yuzhan Precision Technology Co., Ltd
    Inventors: Hsing-Chih Hsu, Zhao-Yao Yi, Lei Zhu, Chang-Li Zhang, Er-Yang Ma, Chih-Sheng Lin, Feng Xie, Ming-Tao Luo
  • Patent number: 11973971
    Abstract: Devices, systems and methods for processing video are described. In a representative aspect, a video processing method is provided to include: maintaining tables, wherein each table includes a set of motion candidates and each motion candidate is associated with corresponding motion information; performing a conversion between a first video block and a bitstream representation of a video including the first video block based on the tables; and updating, after performing of the conversion, zero or more tables, based on an update rule.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: April 30, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11973973
    Abstract: A method of video processing includes determining a refined prediction sample P?(x,y) at a position (x,y) in a video block by modifying a prediction sample P(x,y) at the position (x,y) with a first gradient component Gx(x, y) in a first direction estimated at the position (x,y) and a second gradient component Gy(x, y) in a second direction estimated at the position (x,y) and a first motion displacement Vx(x,y) estimated for the position (x,y) and a second motion displacement Vy(x,y) estimated for the position (x,y), where x and y are integer numbers, and performing a conversion between the video block and a bitstream representation of the video block using a reconstructed sample value Rec(x,y) at the position (x,y) that is obtained based on the refined prediction sample P?(x,y) and a residue sample value Res(x,y).
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: April 30, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 11973959
    Abstract: An example method of video processing includes determining, for a conversion between a block of a chroma component of a video and a bitstream representation of the video, whether or how to apply a filtering process to an edge of the block based on a first quantization information for a first video region comprising samples on one side of the edge and/or a second quantization information for a second video region comprising samples on the other side of the edge according to a rule that is based on a coding mode applicable to the block for coding the samples on the one side or the samples on the other side of the edge. The rule specifies that multiple QP offsets at different video unit levels are used to determine the first quantization information or the second quantization information. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: April 30, 2024
    Assignee: BYTEDANCE INC.
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu
  • Patent number: 11974153
    Abstract: A method includes: receiving, at a user equipment, a first information of a first gap for a first reference signal to be measured and a second information of a second gap for a second reference signal to be measured, wherein the first gap and the second gap overlap at least partially; and, determining at least one of: a first duration of a gap length based on a union of the first gap and the second gap, and a second duration of a gap length based on a selection of the first gap or the second gap corresponding to one of the first reference signal and the second reference signal.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: April 30, 2024
    Assignee: Nokia Technologies Oy
    Inventors: Jing He, Lars Dalsgaard, Li Zhang
  • Patent number: 11973931
    Abstract: A method of video processing is described. The method includes: deriving, for a conversion between a current block of a video and a coded representation of the video, a prediction block for the current block that is determined according to a tool in which weights are used to determine a weighted sum of two initial prediction blocks used to determine the prediction block; and performing the conversion using the prediction block; wherein the deriving includes: applying the weights to two intermediate prediction samples that respectively belong to the two initial prediction blocks to derive a final prediction sample; and performing a right shift operation for the final prediction sample, wherein the right shift operation is pbSample>> (shift1+3)), wherein pbSample represents the final prediction sample, shift1 is set equal to Max(2, 14?bitDepth); and determining the prediction block based on the final prediction sample.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: April 30, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Yang Wang, Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 11974472
    Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunlong Li, Pengcheng Lu, Kui Zhang, Li Liu, Kuanta Huang, Shengji Yang, Xiaochuan Chen, Dacheng Zhang
  • Publication number: 20240137518
    Abstract: A method of processing video data. The method includes using coded information during application of a super resolution (SR) process to a video unit; and performing a conversion between a video including the video unit and a bitstream of the video based on the SR process as applied using the coded information. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
  • Publication number: 20240137571
    Abstract: Methods, systems, apparatus for video processing are described. The processing may include encoding, decoding or transcoding. One example video processing method includes performing a conversion between a video including one or more pictures and a bitstream of the video according to a format rule. The format rule specifies to include, in a general constrain syntax structure, a syntax element indicating whether each picture includes only one slice, and whether a picture header syntax structure is present in a slice header.
    Type: Application
    Filed: November 27, 2023
    Publication date: April 25, 2024
    Inventors: Zhipin Deng, Ye-kui Wang, Li Zhang, Kai Zhang, Kui Fan
  • Publication number: 20240137526
    Abstract: A mechanism for processing video data is disclosed. A value of an annotated region (AR) object label index of an i-th AR object index (ar_object_label_idx[ar_object_idx[i]]) syntax element is determined. The ar_object_label_idx[ar_object_idx[i]] syntax element is specified to be in a range of N to M, where N and M are integers and N is less than M. A conversion is performed between a visual media data and a bitstream based on the ar_object_label_idx[ar_object_idx[i]] syntax element.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Inventors: Ye-Kui Wang, Yang Wang, Li Zhang
  • Publication number: 20240137554
    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: Application
    Filed: December 6, 2023
    Publication date: April 25, 2024
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang