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: 20250122466
    Abstract: The invention relates to the technical field of breast milk oligosaccharide production, and particularly to an Escherichia coli K-12 MG1655 BLBYZT6 and an application thereof. The Escherichia coli K-12 MG1655 BLBYZT6 is preserved in the China General Microbiological Culture Collection Center, with the collection number of CGMCC No. 28317, the collection date of Aug. 31, 2023, and the collection institution address of No. 3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The Escherichia coli K-12 MG1655 BLBYZT6 of the invention is applied in fermentation production of 2?-fucosyllactose and difucosyllactose. The invention improves a yield of the 2?-fucosyllactose, reduces a dry matter proportion of a non-target product, realizes simple separation and purification, is beneficial for industrial production, and can co-produce the difucosyllactose with a purity greater than 90% at the same time.
    Type: Application
    Filed: January 29, 2024
    Publication date: April 17, 2025
    Inventors: Kewen LI, Peigong LI, Qingmin LUAN, Liujuan KONG, Xiaolan XIONG, Yaying XUE, Li ZHANG, Shiying YUAN, Zhenzhen LI, Guilian SUN, Yuanliang DUAN, Yunfei LI
  • Publication number: 20250126285
    Abstract: A method for processing a video includes determining, for a first video unit, a set of local illumination compensation (LIC) parameters including a scaling factor and an offset factor; performing or skipping a pre-process on at least one parameter of the set of LIC parameters; and updating at least one history based local illumination compensation parameter table (HLICT) using at least one parameter of the set of LIC parameters, the at least one HLICT being used for a conversion of subsequent video units.
    Type: Application
    Filed: December 26, 2024
    Publication date: April 17, 2025
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Publication number: 20250126244
    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 the current video block and a bitstream of the video, a target number for a set of intra block copy merge mode with block vector difference (IBC-MBVD) candidates, the target number being indicated in the bitstream and dependent on a target configuration of a coding process for coding the current video block; selecting, based on the target number, the set of IBC-MBVD candidates from a plurality of IBC-MBVD candidates associated with an intra block copy (IBC) base candidate for the current video block; and performing the conversion based on the set of IBC-MBVD candidates.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Inventors: Na ZHANG, Kai Zhang, Jizheng Xu, Mehdi Salehifar, Li Zhang
  • Patent number: 12278998
    Abstract: Methods, systems, and devices for luma mapping with chroma scaling for video and image coding are disclosed. An example method of video processing includes performing, for a current region comprising a luma block, a first chroma block, and a second chroma block, a conversion between the current region of a video and a bitstream representation of the video according to a rule that specifies an order in which, during decoding, the first chroma block and the second chroma block are processed based on mapped sample values of the luma block.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: April 15, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kui Fan, Li Zhang, Kai Zhang, Yue Wang
  • Patent number: 12278949
    Abstract: A method of video processing includes determining, for a conversion between a video component of a video comprising a current video block and a bitstream representation of the video, that a first coding tool is used based on a rule for the current video block; and performing the conversion according to the determining, wherein the first coding tool includes transforming a representation of a visual signal between two color spaces, and where the rule specifies that a first quantization parameter (QP) offset for a luma channel of the current video block is equal to K1 and a second QP offset for a first chroma channel of the current video block is K1+O, where K1 and O are integers.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: April 15, 2025
    Assignees: BEIJING BYTEDANCE TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Weijia Zhu, Yue Wang
  • Patent number: 12276886
    Abstract: A curved display panel includes a first substrate, pixel units disposed on the first substrate, and black matrices disposed on a side of the sub-pixel away from the first substrate. Each of the pixel units includes a plurality of sub-pixels disposed in an array along a first direction and a second direction, each of the sub-pixels includes a long side and a short side, the long side extends along the first direction, the short side extends along the second direction. Each of the black matrices includes a first sub-part and a second sub-part, an orthographic projection of the first sub-part on the first substrate is located at an interval between orthographic projections of two adjacent sub-pixels on the first substrate, and an orthographic projection of the second sub-part on the first substrate overlaps with an orthographic projection of the short side of the sub-pixel on the first substrate.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: April 15, 2025
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jing Lv, Teng Wu, Li Zhang
  • Patent number: 12278985
    Abstract: A method for video processing is disclosed to include: determining, for a conversion between a coded representation of a current block of a video and the current block, a motion vector difference (MVD) precision to be used for the conversion from a set of allowed multiple MVD precisions applicable to a video region containing the current video block; and performing the conversion based on the MVD precision.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: April 15, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Yue Wang
  • Publication number: 20250119574
    Abstract: Motion compensation along different directions is disclosed. A method for video processing includes determining, for a conversion between a current video block of a video and a bitstream representation of the current video block, optical flow associated with the current video block in an optical flow-based motion refinement process or prediction process. The optical flow is derived along directions that are different from a horizontal direction and/or a vertical direction. The method also includes performing the conversion based on the optical flow.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Yang Wang, Jizheng Xu, Yue Wang
  • Publication number: 20250119552
    Abstract: A mechanism for processing video data is disclosed. A determination is made to resize an image with a first size to create a resized image with a second size. A conversion is performed between a visual media data and a bitstream based on the resized image. The conversion includes applying a neural network-based coding model to the resized image to achieve variable rate neural network-based compression.
    Type: Application
    Filed: December 16, 2024
    Publication date: April 10, 2025
    Inventors: Zhaobin Zhang, Semih Esenlik, Yaojun Wu, Yue Li, Kai Zhang, Li Zhang
  • Publication number: 20250119593
    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, a connection to a plurality of filters; applying the plurality of filters with the connection in combination to the video unit; and performing the conversion based on the filtered video unit.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 10, 2025
    Inventors: Junru LI, Kai ZHANG, Li ZHANG, Yue Li
  • Publication number: 20250119541
    Abstract: A method implemented by a video coding apparatus. The method includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample. The NN filter includes an NN filter model generated based on partitioning information of the video unit. Usage of the NN filter is indicated by one or more syntax elements in a bitstream. A conversion is performed between a video media file and a bitstream based on the filtered sample.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Inventors: Yue Li, Kai Zhang, Li Zhang
  • Publication number: 20250119771
    Abstract: Techniques and methods are described for non-cell-defining synchronization signal related methods and apparatus. An example communication method includes receiving, by a network device, a configuration information from a network node; and operating, by the network device, a network by selectively activating a transmission operation according to the configuration information or a status of the network device.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Inventor: Li ZHANG
  • Patent number: 12273527
    Abstract: An example method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, that one or more samples of the video outside the current block are unavailable for a coding process of the conversion. The coding process comprises an adaptive loop filter (ALF) coding process. The method also includes performing, based on the determining, the conversion by using padded samples for the one or more samples of the video. The padded samples are generated by checking for availability of samples in an order.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: April 8, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Yue Wang
  • Patent number: 12273525
    Abstract: A method of video processing is described. The method of video processing includes: performing a conversion between a video comprising video blocks and a coded representation of the video; wherein the coded representation conforms to a format rule, wherein the format rule specifies that context adaptive coding of a block vector predictor (BVP) index of a first video block coded using a block vector (BV) prediction mode and an index for inter mode coding used for coding a second video block is performed by sharing a same context; wherein the BVP index is to an entry in a history-based motion vector predictor list used for generating a block vector predictor for the first video block.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 8, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 12273515
    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: Grant
    Filed: November 28, 2023
    Date of Patent: April 8, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Ye-Kui Wang, Kai Zhang, Jizheng Xu
  • Publication number: 20250113330
    Abstract: This application discloses a cell measurement method and a related apparatus, and relates to the field of communication technologies. The method includes: obtaining cell information; measuring at least one cell indicated by the cell information, to obtain a measurement result; determining at least one target cell based on the measurement result; and sending a positioning request to a first network device, where the positioning request includes information about the at least one target cell. This method provides technical content of how a terminal device should perform cell measurement in a positioning scenario in an idle state or an inactive state. According to the cell measurement method in embodiments of this application, the target cell that satisfies a positioning requirement can be obtained, and the positioning request is performed based on the target cell obtained through measurement, so that positioning accuracy can be improved.
    Type: Application
    Filed: December 12, 2024
    Publication date: April 3, 2025
    Inventors: Yinghao GUO, Li ZHANG
  • Publication number: 20250108979
    Abstract: An inspection system includes a conveying mechanism, a pushing mechanism, a positioning mechanism and an inspection mechanism. The conveying mechanism is configured to convey an object to be inspected. The pushing mechanism is suitable for pushing the object to be inspected in a conveying direction of the conveying mechanism, so as to push the object to be inspected to a first positioning plane and a second positioning plane. The positioning mechanism includes a positioning portion. The positioning portion may move in the conveying direction of the conveying mechanism, so as to define the first positioning plane and the second positioning plane. The object to be inspected abuts against the positioning portion on the first positioning plane and the second positioning plane. The inspection mechanism is suitable for inspecting the object to be inspected when the object to be inspected is located on the first positioning plane and the second positioning plane.
    Type: Application
    Filed: December 25, 2023
    Publication date: April 3, 2025
    Inventors: Zhiqiang CHEN, Li ZHANG, Liang LI, Mingzhi HONG, Zinan WANG, Lei XIE, Ming CHANG
  • Publication number: 20250113042
    Abstract: The present disclosure provides a video processing method, apparatus and electronic device. The method includes: acquiring a first video; processing the first video based on a video processing model to obtain a second video, wherein a training stage of the video processing model includes a differentiable encoder which is configured to simulate quantization and encoding processes performed by an encoder on a video, and the differentiable encoder is capable of performing gradient backpropagation; and encoding the second video.
    Type: Application
    Filed: September 24, 2024
    Publication date: April 3, 2025
    Inventors: Mengxi GUO, Fei ZHAO, Kang LIU, Shijie ZHAO, Hongbin LIU, Junlin LI, Li ZHANG
  • Patent number: 12267520
    Abstract: A method, device, and storage/recording medium for image encoding, including: obtaining first coding information for a first coding unit, in a first image, indicating a scheme for encoding the first coding unit into a first bitstream of the first image; determining, based on a relative position relationship between a target region in a second image obtained from the first image and a second coding unit in the second image, a reuse mode for the second coding unit regarding the first coding information, the second coding unit corresponding to the first coding unit, the target region indicating a region in the second image different from the first image; determining second coding information for the second coding unit based on the reuse mode; and generating a second bitstream for the second image based on the second coding information. Thereby, reducing computational complexity of transcoding and avoiding degradation of coding performance/quality.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: April 1, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Xueqing Li, Li Zhang, Yuwen He
  • Patent number: D1071467
    Type: Grant
    Filed: August 2, 2024
    Date of Patent: April 15, 2025
    Inventor: Li Zhang