Patents by Inventor Na Zhang

Na 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).

  • ADAPTIVE MOTION CANDIDATE LIST
    Publication number: 20240187567
    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 current block of a video and a bitstream, reference samples of a sub-template of the current block based on a first set of reference samples of the sub-template in a first reference list and a second set of reference samples of the sub-template in a second reference list; and determining a target motion candidate list based on the reference samples of the sub-template. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency.
    Type: Application
    Filed: April 9, 2022
    Publication date: June 6, 2024
    Inventors: Na ZHANG, Kai ZHANG, Li ZHANG, Hongbin LIU, Zhipin DENG, Yang WANG
  • METHOD, DEVICE, AND MEDIUM FOR VIDEO PROCESSING
    Publication number: 20240187633
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, during a conversion between a target video unit in a target picture of a video and a bitstream of the video, second coding data of the target video unit based on first coding data of the target video unit and at least one refinement process, the at least one refinement process being applied based on a predefined criterion; and performing the conversion based on the second coding data. Compared with the conventional solution, the proposed method can advantageously improve the coding performance and efficiency.
    Type: Application
    Filed: April 21, 2022
    Publication date: June 6, 2024
    Inventors: Zhipin DENG, Li ZHANG, Kai ZHANG, Na ZHANG
  • METHODS AND SYSTEMS FOR IMAGE PROCESSING
    Publication number: 20240185425
    Abstract: Methods and systems for image processing are provided. A target image may be acquired, wherein the target image may include a plurality of elements, an element of which may correspond to a pixel or a voxel. The target image may be decomposed into at least one layer, wherein the at least one layer may include a low frequency sub-image and a high frequency sub-image. The at least one layer may be transformed. The transformed layer may be reconstructed into a composite image.
    Type: Application
    Filed: January 22, 2024
    Publication date: June 6, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Haihua ZHOU, Na ZHANG, Le YANG, Hao CHEN, Wanli TENG, Yueyan BIAN, Chunhua JIANG, Jing YAN
  • Heat dissipation system for high-speed train running in low-vacuum tube
    Patent number: 11999387
    Abstract: A heat dissipation system for a high-speed train running in a low-vacuum tube is provided. Component groups that provide power and resistance for the movement and stop of a train are provided at a periphery, close to the train, in a low-vacuum tube. The component group is provided with a group A cooling assembly. The group A cooling assembly includes a group A cooling-type heat exchanger and/or a group A nozzle assembly attached to the back of the component group. Since the friction between the train running at high speed and the air in the low-vacuum tube and the operation of the key equipment in the low-vacuum tube will generate a lot of heat, the group A cooling assembly in the component group in the low-vacuum tube exchanges the heat with the air in the low-vacuum tube.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: June 4, 2024
    Assignees: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE CO., LTD, HEFEI GENERAL ENVIRONMENTAL CONTROL TECHNOLOGY CO., LTD, HIWING TECHNOLOGY ACADEMY OF CASIC
    Inventors: Xiuping Zhang, Panpan Zhao, Junfeng Wu, Ru Zhang, Xiaoming Kong, Shuangqing Xu, Dao Zhou, Xudong Yuan, Kai Mao, Na Zhang, Ming Zhao, Shaowei Li, Jinglong Bo
  • METHOD, DEVICE, AND MEDIUM FOR VIDEO PROCESSING
    Publication number: 20240171754
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining a first reference picture list (RPL) for a target picture of a video; determining a set of candidate pictures from a plurality of coded pictures of the video, each of the set of candidate pictures having a same temporal layer identity (ID) as the target picture; obtaining a second RPL based on the set of candidate pictures and the first RPL; and performing a conversion between the target picture and a bitstream of the video based on the second RPL. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency.
    Type: Application
    Filed: March 18, 2022
    Publication date: May 23, 2024
    Inventors: Yang WANG, Na ZHANG, Kai ZHANG, Li ZHANG, Tianliang FU
  • METHOD, APPARATUS, AND MEDIUM FOR VIDEO PROCESSING
    Publication number: 20240155111
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: constructing, during a conversion between a target block of a video and a bitstream of the target block, a motion candidate list for a target block which is coded with a geometric partitioning mode (GPM), the candidate list comprising one or more candidates; processing the candidate list before applying the candidate list, each candidate in the processed candidate list having a coded candidate index; and performing the conversion using the processed candidate list.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Na ZHANG, Zhipin DENG, Li ZHANG, Kai ZHANG
  • METHOD, APPARATUS, AND MEDIUM FOR VIDEO PROCESSING
    Publication number: 20240155149
    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 block of a video and a bitstream of the target block, a coding mode applied to the target block; in response to the coding mode being a geometric partitioning mode (GPM), reordering a plurality of motion candidates; and performing the conversion using the reordered plurality of motion candidates.
    Type: Application
    Filed: January 13, 2024
    Publication date: May 9, 2024
    Inventors: Na ZHANG, Zhipin DENG, Li ZHANG, Kai ZHANG
  • METHOD, APPARATUS, AND MEDIUM FOR VIDEO PROCESSING
    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
  • RECURSIVE PREDICTION UNIT IN VIDEO CODING
    Publication number: 20240137510
    Abstract: A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines to split a coding tree unit (CTU) into one or more coding units (CUs). One or more of the CUs may be one or more prediction tree units (PTUs). The mechanism further determines to recursively split the CUs into prediction units (PUs). The method performs a conversion between a visual media data and a bitstream based on the PUs.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Inventors: Kai Zhang, Li Zhang, Zhipin Deng, Na Zhang, Yang Wang
  • Utilization of Recursive Prediction Unit in Video Coding
    Publication number: 20240137498
    Abstract: A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines to apply a prediction splitting tree to a prediction tree unit (PTU). The prediction splitting tree includes a leaf prediction unit (PU). A prediction mode is selected for the leaf PU based on whether the leaf PU is split from the PTU. The method performs a conversion between a visual media data and a bitstream based on the leaf PU.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Inventors: Kai Zhang, Li Zhang, Zhipin Deng, Na Zhang, Yang Wang
  • SUB-PARTITIONING IN INTRA CODING
    Publication number: 20240129466
    Abstract: Methods, devices, and systems related to video processing are disclosed. In one example aspect, a method of video processing includes performing a conversion between a block of a current picture of a video and a coded representation of the video using an intra-subblock partitioning (ISP) mode. A prediction is determined for each sub-partition using an intra-prediction process based on samples in the current picture using the ISP mode. The block is partitioned into multiple sub-partitions including a first sub-partitions having a same top-left corner position as a top-left corner position of the block.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 18, 2024
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Na Zhang, Yue Wang
  • TRANSAMINASE MUTANTS AND USES THEREOF
    Publication number: 20240124853
    Abstract: Provided are transaminase mutants and uses thereof. The transaminase mutant is obtained by one or more amino acid mutations occurring in SEQ ID NO: 2 or is a mutant with a conserved amino acid mutation obtained by taking the sequence SEQ ID NO: 1 of a wild-type CvTA transaminase as a reference. Compared with wild-type transaminases, the catalytic activity of the mutant is improved to different degrees, so that the production efficiency of chiral amine compound synthesis may be improved.
    Type: Application
    Filed: July 6, 2021
    Publication date: April 18, 2024
    Inventors: Hao Hong, Gage James, Yi Xiao, Na Zhang, Xuecheng Jiao, Yulei Ma, Huiyan Mou, Zujian Wang, Kaihua Sun, Xiang Li, Tong Zhao, Shan Cao
  • IMMOBILIZED ENZYMOLYSIS EQUIPMENT FOR RECONSTITUTED RICE MILK POWDER
    Publication number: 20240124825
    Abstract: An immobilized enzymolysis equipment for reconstituted rice milk powder includes a bottom box, a heating device is arranged on an upper surface of the bottom box, and a splash-proof device is arranged on an upper surface of the heating device. Support legs are fixedly connected to corners of a lower surface of the bottom box. A rotating motor is arranged on a bottom surface of an inner cavity of the bottom box. The rotating motor is provided to achieve the effect of rotating a centrifugal device. The centrifugal device is rotationally connected to one side, extending to the upper surface of the bottom box, of the rotating motor, so as to achieve water-milk separation of reconstituted milk powder.
    Type: Application
    Filed: July 24, 2023
    Publication date: April 18, 2024
    Applicant: Harbin University Of Commerce
    Inventors: Na ZHANG, Yang YANG, Xin BIAN, Chunmin MA, Xiaofei LIU, Bing WANG, Yinyuan HE
  • LOW-COST HIGH-EFFICIENCY DRIP IRRIGATION SYSTEM FOR COTTON FIELD AND A USE METHOD THEREOF
    Publication number: 20240122133
    Abstract: Disclosed are a low-cost high-efficiency drip irrigation system for a cotton field and a use method thereof. The drip irrigation system for a cotton field includes a filtering device and a water supply device; wherein the filtering device adopts different types of single filtering devices or combined filtering devices according to different water source types; the water supply device includes multiple stages of main pipes, submain pipes and laterals; the laterals (a drip irrigation tape with labyrinth on one side or a drip irrigation tape inlaid with emitters inside) are laid on the surface of the ground and located below a mulch film. The drip irrigation system adopts the design of large flow (1.5-3.4 L/h), slightly larger pipe diameter (>75 mm), low water pressure (operating pressure of drip irrigation tape being 0.03-0.07 MPa) and suitable drip irrigation uniformity (80%-90%).
    Type: Application
    Filed: December 9, 2023
    Publication date: April 18, 2024
    Applicants: Institute of Cash Crops, Xinjiang Academy of Agricultural Sciences, Shihezi University
    Inventors: Liwen TIAN, Honghai Luo, Hezhong Dong, Na Zhang, Liantao Liu, Guangping Feng, Zhanbiao Wang, Yanjun Zhang, Xianzhe Hao, Jin Li, Zhi Chen, Nan Zhao, Changwen Liu
  • METHOD FOR SYNTHESIZING CHIRAL AMINE COMPOUND
    Publication number: 20240117395
    Abstract: Provided is a method for synthesizing a chiral amine compound. A transaminase is used to transaminate a ketone substrate under the action of an amino donor, to obtain the chiral amine compound; and the conserved amino acid sequence region of the transaminase at least includes a region 1 (MAGLWCVN) and a region 2 (YNTFFKT). With the transaminase with the specific conserved amino acid sequence region to synthesize a large sterically hindered chiral amine, the enzyme catalytic reaction volume is small, the synthesizing route is short, the product yield is high, a high-cost noble metal is not required for catalysis under the synthesizing conditions, three wastes are reduced, and the production cost is saved.
    Type: Application
    Filed: July 6, 2021
    Publication date: April 11, 2024
    Inventors: Hao Hong, Gage James, Yi Xiao, Na Zhang, Xuecheng Jiao, Yulei Ma, Huiyan Mou, Zujian Wang, Kaihua Sun, Ru Jia, Fang Liu, Wenjing Liu
  • TUNGSTEN CMP COMPOSITION INCLUDING A SULFUR CONTAINING ANIONIC SURFACTANT
    Publication number: 20240101865
    Abstract: A chemical mechanical polishing composition for tungsten CMP consists of, consists essentially of, or comprises a liquid carrier, cationic abrasive particles dispersed therein, an iron-containing accelerator, a tungsten etch inhibitor, a sulfur containing anionic surfactant, and has a pH of less than about 5.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 28, 2024
    Inventors: Na ZHANG, Bosky SONI
  • Permanent magnet synchronous motor (PMSM) and method for starting the PMSM
    Patent number: 11942882
    Abstract: A method of starting a permanent magnet synchronous motor (PMSM) with field oriented control (FOC) includes: opening a first control loop of the PMSM; setting a first direction for a first current component of the PMSM; aligning a rotor of the PMSM to the first direction; after aligning the rotor, setting a second direction for the first current component, where the second direction is rotated from the first direction by 90 degrees; after setting the second direction, starting the rotor while the first control loop of the PMSM remains open; after starting the rotor, increasing a rotation speed of the rotor by operating the first control loop in a first closed-loop mode; and after increasing the rotation speed of the rotor, controlling the rotation speed of the rotor by operating the first control loop in a second closed-loop mode different from the first closed-loop mode.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: March 26, 2024
    Assignee: STMICROELECTRONICS (BEIJING) R&D CO. LTD
    Inventor: Na Zhang
  • Esterase Mutant and Use thereof
    Publication number: 20240093167
    Abstract: Provided are an esterase mutant and use thereof. The amino acid sequence of the esterase mutant has a sequence as shown in SEQ ID NO: 1, and sites at which amino acid mutations occur include an N51G site.
    Type: Application
    Filed: March 2, 2021
    Publication date: March 21, 2024
    Inventors: Hao Hong, James Gage, Yi Xiao, Na Zhang, Xuecheng Jiao, Yiming Yang, Xiang Wang, Junqi Zhao
  • Methods and systems for motion candidate derivation
    Patent number: 11936899
    Abstract: Embodiments of the present disclosure provide 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, at least one set of motion candidates for the current video block, each motion candidate comprising predicted motion information determined from neighboring video blocks of the current video block; determining, based on a template of the current video block and from the at least one set of motion candidates, a target motion candidate for the current video block by using a template matching cost rule; and performing the conversion based on the target motion candidate.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: March 19, 2024
    Assignee: LEMON INC.
    Inventors: Na Zhang, Kai Zhang, Hongbin Liu, Li Zhang, Yue Wang
  • Amino Acid Dehydrogenase Mutant and use thereof
    Publication number: 20240084271
    Abstract: Provided are an amino acid dehydrogenase mutant and use thereof. The amino acid sequence of the amino acid dehydrogenase mutant has a sequence as shown in SEQ ID NO: 1, and sites at which amino acid mutations occur include a K144G site.
    Type: Application
    Filed: March 21, 2021
    Publication date: March 14, 2024
    Inventors: Hao Hong, James Gage, Yi Xiao, Na Zhang, Xuecheng Jiao, Rui Li, Yanqing Zhang, Yiming Yang