Patents by Inventor Li Xu

Li Xu 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: 11962771
    Abstract: An example method of video processing includes performing a conversion between a picture of a video and a bitstream representation of the video. The picture includes one or more sub-pictures, and the bitstream representation conforms to a format rule that specifies that a length of a syntax element is equal to Ceil(Log 2(SS)) bits. SS is greater than 0, and the syntax element indicating a horizontal or a vertical position of a top-left corner of a coding tree unit of a sub-picture of the picture.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 16, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Zhipin Deng, Hongbin Liu, Li Zhang, Jizheng Xu
  • Patent number: 11958789
    Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: April 16, 2024
    Assignee: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhi-quan Yang, Jun-fan Xiong, Ying-yan Zhu, Yi Yang, Yong-shun Han, Muhammad Asif Khan, Jian-bin Xie, Tian-bing Xiang, Bi-hua Zhang, Han-hua Xu, Jie Zhang, Shen-zhang Liu, Qi-jun Jia, Cheng-yin Ye, Gang Li
  • Patent number: 11958730
    Abstract: A carrier vehicle includes a front frame and a rear frame conveniently attachable to and detachable from the front frame. The front frame includes a frame body, at least one battery structure installed along an inner front side wall of the frame body and a connecting rod wheel component at a transverse bottom of the frame body. The rear frame comprises an operating handle, a handle joint base, a hydraulic component having an oil cylinder, a bearing component and a driving assembly. A bottom end of the operating handle is rotatably connected to the handle joint base, which includes a joint fixing base and a microswitch. The bearing component includes a bearing bridge having bridge lugs detachably connected to ends thereof, and a middle part sleeved on the oil cylinder. The front frame and rear frame are transportable in a separated compact configuration, with later simple and fast assembly.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 16, 2024
    Assignee: ZHEJIANG E-P EQUIPMENT CO., LTD.
    Inventors: Hongpeng Xu, Li Chen, Yongxian Ke, Tao Huang, Guoxiang Yang
  • Patent number: 11962814
    Abstract: A method includes performing a conversion between a video including a video picture including one or more tiles and a bitstream of the video. The video picture refers to a picture parameter set, and the picture parameter set conforms to a format rule specifying that the picture parameter set includes a list of column widths for N tile columns, where N is an integer. An (N?1)-th tile column exists in the video picture and the (N?1)-th tile column has a width that is equal to an (N?1)-th entry in a list of explicitly included tile column widths plus one number of coding tree blocks.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: April 16, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Ye-kui Wang, Zhipin Deng, Kui Fan, Jizheng Xu, Hongbin Liu
  • Publication number: 20240121396
    Abstract: Devices, systems and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In one aspect, a method for video processing includes performing a conversion between a current video block of a video and a bitstream representation of the current video block using a matrix based intra prediction (MIP) mode, where the conversion includes performing the upsampling operation in which the final prediction block is determined by using a reduced prediction block of the current video block and by using reconstructed neighboring samples of the current video block according to a rule, and where the reduced prediction block is obtained by performing the matrix vector multiplication operation on reduced boundary samples of the current video block.
    Type: Application
    Filed: November 8, 2023
    Publication date: April 11, 2024
    Inventors: Zhipin Deng, Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu
  • Publication number: 20240115607
    Abstract: The technology described herein is directed to Natural Killer (NK) cell CAR polypeptides comprising intracellular signaling domains, intracellular costimulatory domains, and/or transmembrane domains from NK-associated polypeptides. In various aspects, described herein are polynucleotides, vectors, or cells expressing said NK CAR polypeptides, and pharmaceutical compositions comprising said NK CAR polypeptides, polynucleotides, vectors, or cells. Also described herein are methods of using said NK CAR polypeptides, for example to treat various diseases and disorders, such as cancer or infectious diseases.
    Type: Application
    Filed: January 25, 2022
    Publication date: April 11, 2024
    Applicant: CYTOCARES (SHANGHAI) INC.
    Inventors: Qiming XU, Li CHEN, Huaxing ZHU
  • Publication number: 20240121381
    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: Application
    Filed: November 3, 2023
    Publication date: April 11, 2024
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Hsiao Chiang Chuang
  • Publication number: 20240121884
    Abstract: One way to stop electromagnetic fields from leaking outside of a module is an electric wall. Embodiments of the present disclosure are directed to emulating an electric wall with through vias. The through vias may be arranged around cavities in the printed circuit board. The density of the through vias may be selected based on an expected wavelength of the electromagnetic fields. The printed circuit board may then self-isolate components within the cavities from the electromagnetic fields.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 11, 2024
    Inventors: Hongya Xu, Valter Pasku, Martin Handtmann, Lueder Elbrecht, Li Sun
  • Publication number: 20240121388
    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 video and a bitstream of the video according to a format rule. The format rule specifies that a first field at a sequence level or a picture level or a slice level controls a value of a second field in an adaptation parameter set.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 11, 2024
    Inventors: Zhipin Deng, Li Zhang, Ye-Kui Wang, Kai Zhang, Jizheng Xu
  • Patent number: 11956438
    Abstract: A method of visual media processing includes determining, for a conversion between a current video block of visual media data and a bitstream representation of the current video block, a buffer that stores reference samples for prediction in an intra block copy mode; for a sample spatially located at location of the current video block relative to an upper-left position of a coding tree unit including the current video block and having a block vector, computing a corresponding reference in the buffer at a reference location, wherein the reference location is determined using the block vector and the location; and upon determining that the reference location lies outside the buffer, re-computing the reference location based at least in part on a location of the current video block relative to the coding tree unit including the current video block.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: April 9, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11956449
    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 coded using a combined inter and intra prediction (CIIP) coding technique and a bitstream representation of the video, an intra-prediction mode of the current block independently from an intra-prediction mode of a neighboring 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: November 29, 2022
    Date of Patent: April 9, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 11956439
    Abstract: A method for visual media processing includes performing a conversion between a current video unit of a visual media data and a bitstream representation of the current video unit. The bitstream representation is configured according to a format rule. The format rule specifies a level of a video segment at which one or more syntax elements indicative of a scaling factor by which a chroma residual is scaled for coding the current video unit is selectively included in the bitstream representation.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: April 9, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang, Jizheng Xu
  • Patent number: 11956465
    Abstract: Difference calculation based on partial position is described. In a representative aspect, a method of video processing comprising: calculating, during a conversion between a current block of video and a bitstream representation of the current block, differences between two reference blocks associated with the current block or differences between two reference sub-blocks associated with a sub-block within the current block based on representative positions of the reference blocks or representative positions of the reference sub-blocks; and performing the conversion based on the differences.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: April 9, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Patent number: 11953792
    Abstract: The irregularly-shaped display panel comprises a plurality of pixel units arranged in an array and a shielding layer. some of the pixel units are shielded by the shielding layer to form irregularly-shaped pixel units, and each of the irregularly-shaped pixel unit at least comprises a first irregularly-shaped pixel unit; in the first irregularly-shaped pixel unit, the areas of opening regions of at least two sub-pixels shielded by the shielding layer are different, and the sub-pixel having a larger area of an opening region shielded by the shielding layer has a greater pixel pressure difference.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: April 9, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Li Lv, Tingting Shen, Yunyang Liu, Yuchun Xu, Guangchen Zhang, Zhiwei Li, Haijiang Yuan
  • Patent number: 11956432
    Abstract: An example method of video processing includes determining, for a conversion between a block of a first sub-picture of a video and a bitstream representation of the video, whether to apply a deblocking process across an edge between the block and a neighboring block of a second sub-picture based on whether a loop filtering process is allowed across subpicture boundaries. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 9, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Zhipin Deng, Hongbin Liu, Li Zhang, Jizheng Xu
  • 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
  • Publication number: 20240114133
    Abstract: A method of video processing is provided to include: performing a conversion between a video including one or more video regions including one or more luma blocks and one or more chroma blocks and a coded representation of the video according to a rule; wherein the rule specifies that a chroma block from the one or more chroma blocks having a size M×N is disallowed to be represented in the coded representation using an intra mode or an intra block copy mode, wherein M and N are integers that indicate a width and a height of the chroma block, respectively; wherein the intra mode includes encoding the chroma block based on previously encoded or reconstructed video blocks, and wherein the intra block copy mode includes encoding the chroma block using at least a block vector pointing to a video frame containing a video region.
    Type: Application
    Filed: November 7, 2023
    Publication date: April 4, 2024
    Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu
  • Publication number: 20240108579
    Abstract: Provided is a utidelone liposome composition. The liposome composition mainly contains utidelone, a phospholipid, and optional cholesterol. The liposome composition does not contain an excipient that is prone to causing an allergic reaction of a human body, has a high drug loading capacity and stability, and has a good industrialization potential. Further provided are a method for preparing the utidelone liposome composition and the use thereof.
    Type: Application
    Filed: July 1, 2022
    Publication date: April 4, 2024
    Applicant: Chengdu Biostar Pharmaceuticals, LTD.
    Inventors: Li Tang, Chuan Zhang, Jing Xu, Cheng Zhang, Rongguo Qiu
  • Publication number: 20240111735
    Abstract: A data dictionary generation system automatically populates and updates a data dictionary for listings offering shared data. A data dictionary includes metadata describing the shared data, including the individual objects, such as the individual tables, schemas, views, and functions. The shared data and each individual data object may be described in the data dictionary by a set of data fields that corresponds to the shared dataset or the object type of the individual object. The data dictionary can be presented to data consumers along with the description of the listing to provide data consumers with a comprehensive description of the shared data provided by a listing, including a high-level summary of the shared data and description of each individual object included in the shared data. The data dictionary allows data consumers to understand the contents of the shared data and how to use the shared data.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Inventors: Durga Mahesh Arikatla, Robert K. Chao, Li He, Joyce Lam, Xinyue Liu, Subramanian Muralidhar, Vishnu Dutt Paladugu, Shakhina Pulatova, Stephanie Stillman, Xin Wen, Di Wu, Ziqi Xu
  • Patent number: 11947449
    Abstract: Embodiments of the present disclosure relate to a method, system and computer program product for semantic search based on a graph database. In some embodiments, a method is disclosed. According to the method, the user jobs of a user are obtained from a first software product. Based on the user jobs, target test cases are selected from a plurality of test cases associated with the first software product and a second software product. The target test cases are applied to the first software product and the second software product, and in accordance with a determination that a result of applying the target test cases satisfies a predetermined criterion, an instruction is provided to indicate migrating from the first software product to the second software product. In other embodiments, a system and a computer program product are disclosed.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: April 2, 2024
    Assignee: International Business Machines Corporation
    Inventors: Lei Gao, Jin Wang, A Peng Zhang, Kai Li, Jun Wang, Jing James Xu, Rui Wang, Xin Feng Zhu