Patents by Inventor Sijin Li

Sijin Li 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: 12002221
    Abstract: A control method for a mobile platform includes obtaining a captured image, determining a target first characteristic part of a target object from the captured image, determining a second characteristic part of the target object in the captured image, and switching from tracking the second characteristic part to tracking the target first characteristic part in response to a tracking parameter of the target object meeting a preset tracking condition.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: June 4, 2024
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Lei Pang, Cong Zhao, Liliang Zhang, Gao Zhu, Sijin Li, Yao Liu
  • Patent number: 11976092
    Abstract: Disclosed herein are high Tm RNA nanostructures that can be composed of one or more modules or motifs to build RNA nanostructures with or without layers. The RNA nanostructures can have a core domain and three or more double-stranded arms and formulations thereof to conjugate high copy numbers of therapeutics, pH responsive or enzyme cleavable drug cargo. Also described herein is a design strategy for generation of synthetic RNA oligonucleotides that can self assemble into highly thermostable RNA structures. Also described herein are uses of the RNA nanostructures described herein.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: May 7, 2024
    Assignees: Ohio State Innovation Foundation, University of Kentucky Research Foundation
    Inventors: Peixuan Guo, Mario Vieweger, Xin Li, Sijin Guo, Hongran Yin, Xijun Piao, Yi Shu, Dan Shu, Mehdi Rajabi
  • Patent number: 11782514
    Abstract: A wearable device and its control method, a gesture recognition method, a movable platform control system and a storage medium are provided. The control method may include acquiring key point information of a gesture action of a target user, recognizing an input instruction based upon the key point information, and generating a control instruction based upon the input instruction and executing a task operation according to the control instruction.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: October 10, 2023
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Zhipeng Liu, Sijin Li
  • Publication number: 20230280745
    Abstract: A method is provided for controlling flight of an aircraft carrying an imaging device. The imaging device is mounted at a gimbal. The method includes in response to receiving a triggering operation that triggers the aircraft to operate in an image control mode, obtaining an environment image captured by the imaging device, recognizing a gesture of a target user in the environment image, and in response to recognizing that the gesture of the target user is a start-flight gesture, generating a takeoff control command to control the aircraft to take off. Obtaining the environment image includes after obtaining the triggering operation, controlling the gimbal to rotate to control the imaging device to scan and photograph in a predetermined photographing range, and obtaining the environment image including a characteristic part of the target user that is captured by the imaging device through scanning and photographing in the predetermined photographing range.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Jie QIAN, Xia CHEN, Liliang ZHANG, Cong ZHAO, Zhengzhe LIU, Sijin LI, Lei PANG, Haonan LI
  • Patent number: 11619752
    Abstract: Provided is a CZT semiconductor activity meter and an activity measuring device, which relate to the field of medical apparatus and instruments. The CZT semiconductor activity meter includes a shell, a CZT probe, a package substrate and a processing module, wherein the CZT probe is arranged on an end of the shell, the package substrate is arranged at the middle part of the shell and abuts against an inner wall of the shell, the CZT probe is connected to one side of the package substrate, the other side of the package substrate and the inner wall of the shell together form a package inner cavity, and the processing module is accommodated in the package inner cavity and connected to the package substrate. The CZT semiconductor activity meter has a small volume, is convenient to operate, does not require manual control during detection, and can be used at room temperature.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: April 4, 2023
    Assignee: SHANXI MEDICAL UNIVERSITY
    Inventors: Sijin Li, Haiyan Liu, Gangqiang Zha
  • Publication number: 20220207825
    Abstract: A machine vision-based tree recognition method and device are provided. The machine vision-based tree recognition method may include obtaining a top view image containing a tree and processing the top view image to obtain pixel position information of a tree center of the tree and tree radius information corresponding to the tree center in the top view image.
    Type: Application
    Filed: March 16, 2022
    Publication date: June 30, 2022
    Applicant: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Chuangjie REN, Xinchao LI, Sijin LI, Jiabin LIANG, Yi TIAN
  • Publication number: 20220138946
    Abstract: A control method for a mobile platform includes obtaining a captured image, determining a target first characteristic part of a target object from the captured image, determining a second characteristic part of the target object in the captured image, and switching from tracking the second characteristic part to tracking the target first characteristic part in response to a tracking parameter of the target object meeting a preset tracking condition.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 5, 2022
    Inventors: Lei PANG, Cong ZHAO, Liliang ZHANG, Gao ZHU, Sijin LI, Yao LIU
  • Publication number: 20220099849
    Abstract: Provided is a CZT semiconductor activity meter and an activity measuring device, which relate to the field of medical apparatus and instruments. The CZT semiconductor activity meter includes a shell, a CZT probe, a package substrate and a processing module, wherein the CZT probe is arranged on an end of the shell, the package substrate is arranged at the middle part of the shell and abuts against an inner wall of the shell, the CZT probe is connected to one side of the package substrate, the other side of the package substrate and the inner wall of the shell together form a package inner cavity, and the processing module is accommodated in the package inner cavity and connected to the package substrate. The CZT semiconductor activity meter has a small volume, is convenient to operate, does not require manual control during detection, and can be used at room temperature.
    Type: Application
    Filed: January 10, 2019
    Publication date: March 31, 2022
    Inventors: Sijin LI, Haiyan LIU, Gangqiang ZHA
  • Patent number: 11227388
    Abstract: A control method for a mobile platform includes obtaining a captured image, identifying one or more candidate first characteristic parts from the captured image, determining a second characteristic part of a target object in the captured image, determining one or more matching parameters each corresponding to one of the one or more candidate first characteristic parts based on the one or more candidate first characteristic parts and the second characteristic part, determining a target first characteristic part of the target object from the one or more candidate first characteristic parts based on the one or more matching parameters, and switching from tracking the second characteristic part to tracking the target first characteristic part in response to a tracking parameter of the target object meeting a preset tracking condition.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 18, 2022
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Lei Pang, Cong Zhao, Liliang Zhang, Gao Zhu, Sijin Li, Yao Liu
  • Publication number: 20210405763
    Abstract: A wearable device and its control method, a gesture recognition method, a movable platform control system and a storage medium are provided. The control method may include acquiring key point information of a gesture action of a target user, recognizing an input instruction based upon the key point information, and generating a control instruction based upon the input instruction and executing a task operation according to the control instruction.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Applicant: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Zhipeng LIU, Sijin LI
  • Publication number: 20210390329
    Abstract: An image processing method includes: obtaining target image data, the target image data including a target image and depth data corresponding to various pixels in the target image; processing the target image data to obtain a confidence level feature map of semantics of the target image data; and based on the confidence level feature map, determining a position of a target region in the target image data.
    Type: Application
    Filed: August 14, 2021
    Publication date: December 16, 2021
    Inventors: Chuangjie REN, Xinchao LI, Sijin LI
  • Publication number: 20210134001
    Abstract: An imagery method includes obtaining a plurality of images of an object and selecting one or more images related to a moment from the plurality of images based on a selection rule. The plurality of images are captured by one or more imaging devices within a period of time while the object is being tracked. A plurality of triggers each are configured to trigger at least one of a starting time or a stopping time of the period of time for capturing the plurality of images. The plurality of triggers include a detection based on motion/state estimation of the object.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Inventors: Cong ZHAO, Xuyang FENG, Jie QIAN, Sijin LI
  • Publication number: 20210044303
    Abstract: A neural network acceleration device includes a processor and a storage medium. The storage medium stores instructions that, when executed by the processor, cause the processor to obtain an input feature value, perform computation processing on the input feature value to obtain an output feature value, and in response to a fixed-point format of the output feature value being different from a predetermined fixed-point format, perform at least one of a low bit shifting operation or a high bit truncation operation on the output feature value according to the predetermined fixed-point format to obtain a target output feature value. A fixed-point format of the target output feature value is the predetermined fixed-point format.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Inventors: Feng HAN, Qian GU, Sijin LI
  • Patent number: 10896520
    Abstract: An imagery method includes obtaining a plurality of images of an object captured using one or more imaging devices within a period of time while the object is being tracked, performing motion and/or state estimation of the object for the period of time, and selecting one or more images related to a moment from the plurality of images based on the motion and/or state estimation of the object.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: January 19, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Cong Zhao, Xuyang Feng, Jie Qian, Sijin Li
  • Patent number: D968262
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: November 1, 2022
    Assignee: Guangdong Attop Technology Co., Ltd
    Inventor: sijin Li
  • Patent number: D971079
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: November 29, 2022
    Inventor: Sijin Li
  • Patent number: D971080
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: November 29, 2022
    Inventor: Sijin Li
  • Patent number: D972974
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: December 20, 2022
    Inventor: Sijin Li
  • Patent number: D973539
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: December 27, 2022
    Inventor: Sijin Li
  • Patent number: D986108
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: May 16, 2023
    Inventor: Sijin Li