Patents by Inventor Xiaohui (Echo) Yu

Xiaohui (Echo) Yu 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: 20230237707
    Abstract: A point cloud encoding method comprises: processing position information of a target point in a point cloud to obtain reconstruction information of the position information of the target point; obtaining an initial predicted value of attribute information of the target point according to the reconstruction information of the position information of the target point; filtering the initial predicted value of the attribute information of the target point using a Kalman filter algorithm to obtain a final predicted value of the attribute information of the target point; processing the attribute information of the target point in the point cloud to obtain a real value of the attribute information of the target point; obtaining a residual value of the attribute information of the target point according to the final predicted value and the real value of the attribute information of the target point; and encoding the residual value of the attribute information of the target point to obtain a bitstream.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 27, 2023
    Inventors: Hui YUAN, Lu WANG, Ming LI, Xiaohui WANG, Qi LIU
  • Patent number: 11709368
    Abstract: Embodiments of this application relate to the technical field of optical design, and disclose a method for adjusting field of view angle applied to a waveguide plate in a near-eye display equipment, the waveguide plate forms a tilt angle relative to horizontal direction of human face, the method firstly acquires refractive index, bottom angle of the waveguide plate and a required field of view angle, then calculates the tilt angle of the waveguide plate according to the refractive index and bottom angle of the waveguide plate and the field of view angle, and finally, adjusts the tilt angle to make sure the near-eye display equipment with the field of view angle; the method disclosed by this application enables the waveguide plate to realize low refractive index and large field of view angle at the same time, and features better imaging, lower cost and better stability.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: July 25, 2023
    Assignee: SHENZHEN LOCHN OPTICS HI-TECH CO., LTD.
    Inventors: Hao Huang, Qiang Song, Xiaoming Guo, Xiaohui Zou, Hengshen Xu, Guobin Ma, Tao Wang
  • Publication number: 20230232002
    Abstract: A point cloud coding method, including: partitioning a point cloud, and determining a current coding block; determining a quantization parameter optimization enable identifier, a hierarchical level index, and a quantization parameter offset parameter of the current coding block; determining, according to the hierarchical level index and the quantization parameter offset parameter, a quantization step Qstep corresponding to a level of detail; and upon detecting that the quantization parameter optimization enable identifier is a first value, performing operations for one or more points included in the current coding block.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Hui YUAN, Xiaohui WANG, Ming LI, Lu WANG, Qi LIU
  • Publication number: 20230232016
    Abstract: A point cloud encoding method includes the following. For one or more points in the current coding block, an optimal prediction mode is determined by using a RDO mechanism, where a distortion parameter D in the RDO mechanism is determined according to a reconstruction distortion, and a bitrate parameter R in the RDO mechanism is determined according to a bitrate. A prediction value of the one or more points is determined by predicting the one or more points using the optimal prediction mode. A residual of the one or more points is determined according to the prediction value of the one or more points. Encoding bits are determined by encoding according to the optimal prediction mode and the residual, and the encoding bits are signaled into a bitstream.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Inventors: Hui YUAN, Xiaohui WANG, Ming LI, Lu WANG, Qi LIU
  • Publication number: 20230232004
    Abstract: A point cloud encoding method, including: obtaining attribute information about the attributes of a current point in a point cloud; processing the attribute information of the current point to obtain a residual value of the attribute information of the current point; using a target quantization manner, quantizing the residual value of the attribute information of the current point to obtain a quantized residual value of the attribute information of the current point; the target quantization manner comprises at least two of the following quantization manners: a first quantization manner, a second quantization manner, and a third quantization manner.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Inventors: Hui YUAN, Xiaohui WANG, Ming LI, Lu WANG, Qi LIU
  • Patent number: 11701338
    Abstract: The present invention relates to use of gTso thal in manufacturing a medicament for the promotion of MS-275 to cross the blood-brain barrier (BBB), and belongs to the technical field of pharmaceutical preparation. Administration of the medicament manufactured by the use of the present invention in combination with MS-275 significantly increases MS-275 to cross the BBB into the brain tissue, and prominently promotes the accumulation of MS-275 therein.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: July 18, 2023
    Assignee: Northwest Institute of Plateau Biology, Chinese Academy of Sciences
    Inventors: Xiaohui Zhao, Ting Zhang, Huilan Yue, Jihong Tao, Wenjing Jia, Guoying Zhou, Lixin Wei, Chen Chen
  • Publication number: 20230222515
    Abstract: The disclosure provides a carbon footprint estimation method and system for a vehicle. The method includes the following steps: S100: establishing a carbon footprint model of the vehicle; S200: dividing the carbon footprint model into a first module and a second module, wherein a carbon footprint of the first module can be obtained from a database, and a carbon footprint of the second module cannot be obtained from the database; and S300: estimating, based on the carbon footprint model, the carbon footprints of the first module and the second module in a production stage; where step S300 includes the following sub-steps: S301: obtaining the carbon footprint of the first module in the production stage from the database; and S302: estimating, based on dimension parameters and materials of the second module, the carbon footprint of the second module in the production stage.
    Type: Application
    Filed: January 10, 2023
    Publication date: July 13, 2023
    Inventors: Yuanfeng PENG, Miao YU, Xiaohui LIU, Dahai MENG
  • Publication number: 20230219711
    Abstract: A packaging box for a bulb lamp is provided, including an enclosure hoody having a cavity inside. An outer side wall of the enclosure body forms an outer side wall of the packaging box, the enclosure body is capable of enclosing the bulb lamp in the cavity along an circumferential direction of the bulb lamp, an inner circumferential surface of the enclosure body has at least one press-contact portion capable of abutting against the bulb lamp, the press-contact portion is capable of pressing against and tightly holding an outer periphery of the bulb lamp, so that the bulb lamp is capable of being stabilized in the cavity.
    Type: Application
    Filed: August 11, 2020
    Publication date: July 13, 2023
    Inventors: Xiaodong QIAN, Wenpo CHEN, Xiaohui YAN, Ruyi WANG, Xinchun WANG, Zihao LIN
  • Publication number: 20230221198
    Abstract: A rapid ultrasonic dual-wave calibrated detection method includes: numbering a plurality of high strength bolts; searching, in a database in equipment, a calibrated empirical value R0e of initial ratios R0 of ultrasonic transverse wave transit time to ultrasonic longitudinal wave transit time for bolts with entirely or partially same specification data, or a calibrated empirical value ke of a slope k of variation of a bolt tension with a ratio of transverse wave transit time to longitudinal wave transit time; measuring ratios Ri of the ultrasonic transverse wave transit time to the longitudinal wave transit time for the plurality of high strength bolts; acquiring a pretightening axial force value, and using the pretightening axial force value in place of an average value of tensions of the plurality of high strength bolts, calculating calibrated another parameter ke or R0e; and calculating axial forces of the high strength bolts.
    Type: Application
    Filed: September 30, 2020
    Publication date: July 13, 2023
    Inventors: Fubin GU, Bo CAO, Feng TIAN, Yang ZHAO, Xiaohui DI, Kun LI, Long YANG, Xuxiang ZHU, Yuping SHEN
  • Publication number: 20230221256
    Abstract: An apparatus for analyzing a plant specimen is disclosed which includes a housing assembly adapted to be in i) an open configuration adapted to receive a plant specimen, and ii) a closed configuration wherein ambient light is controlled therein, a light source disposed in or coupled to the housing assembly, the light source adapted to shine light onto or through the plant specimen when the housing assembly is in the closed configuration, and a camera assembly coupled to the housing assembly, the camera assembly having an image sensor adapted to receive light from the plant specimen in i) a transmittance mode where light transmits through the plant specimen, or ii) a reflectance mode where light is reflected from the plant specimen, the image sensor adapted to thereby capture hyperspectral images of the plant specimen.
    Type: Application
    Filed: March 7, 2023
    Publication date: July 13, 2023
    Applicant: Purdue Research Foundation
    Inventors: Jian JIN, Xiaohui SONG
  • Publication number: 20230210455
    Abstract: The disclosure provides a comprehensive limbal stem cell deficiency diagnostic and staging system that combines observations of physiological parameters such as clinical presentation, central cornea basal cell density, central corneal epithelial thickness, and total corneal nerve fiber length. It has been discovered that the methodology disclosed herein can both accurately and objectively diagnose limbal stem cell deficiency as well as stage its severity.
    Type: Application
    Filed: December 9, 2022
    Publication date: July 6, 2023
    Applicant: The Regents of the University of California
    Inventor: Sophie Xiaohui Deng
  • Publication number: 20230212210
    Abstract: The present application belongs to the field of life health, and discloses a sugar chain and a composition thereof, and use in the prevention and/or treatment of coronavirus infection. The sugar chain contains any one or more of Neu5Ac?2-N1Gal building blocks, and/or any one or more of xFuc-N1Gal-N1(xFuc-N1)GlcNAc building blocks, at the non-reducing end, where, x=0 or 1, and N1=1, 2, 3, 4 or 6. A glycosidic bond formed between Neu5Ac and Gal is an ?2 glycosidic bond. In the xFuc-N1Gal-N1(xFuc-N1)GlcNAc building blocks, a glycosidic bond formed between any two adjacent monosaccharides is an ?1 or ?1 glycosidic bond. The specific building block contained at the non-reducing end of the sugar chain blocks the binding of the virus to the host, thereby blocking virus invasion and infection of the respiratory tract/lung, and achieving the specific prevention and treatment.
    Type: Application
    Filed: July 26, 2021
    Publication date: July 6, 2023
    Applicant: Institute of Process Engineering, Chinese Academy of Sciences
    Inventors: Yuguang DU, Jianjun LI, Yueqiang XU, Zhuo WANG, Dongdong LIU, Yalu YAN, Qi WANG, Xin YOU, Xiaohui DU
  • Publication number: 20230211651
    Abstract: A cartridge for a vehicle interior component configured to dispense scent from scent media may comprise a body comprising an inlet port and an outlet port and a chamber to contain scent media; and a valve assembly comprising an inlet valve, an outlet valve and a valve mechanism. The valve assembly may facilitate air flow across scent media in the chamber and may provide a seal to obstruct air flow in the chamber. The valve mechanism may comprise an inlet spring to actuate the inlet valve and an outlet spring to actuate the outlet valve. The inlet spring and the outlet spring may be configured to be compressed in alignment with a connector to facilitate air flow. The component may comprise a console, overhead console, floor console, center console, etc.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 6, 2023
    Inventors: Michael Robert Catlin, Thomas Scott Hodgson, Shane M. Vorac, Weining Song, Xiaohui Pan, Xinqing Zhu
  • Publication number: 20230211442
    Abstract: The present application provides a pin shaft dismounting and mounting device, a frame body connecting structure and work machine. The pin shaft dismounting and mounting device for dismounting and mounting a pin shaft on a connecting seat, the pin shaft is provided with a through hole along the axial direction, and the device includes: a linear drive mechanism, including telescopic rods; and a pull rod configured to pass through the through hole, a first end of the pull rod being provided with an end cap structure, a connecting structure is disposed between a second end of the pull rod and an end portion of each telescopic rod. By the pin shaft dismounting and mounting device, a frame body connecting structure and work machine, the pin shaft may be dismounted and mounted conveniently and the problems of wear and deformation of the piston rod are solved.
    Type: Application
    Filed: January 24, 2022
    Publication date: July 6, 2023
    Inventors: Nan PENG, Xiaohui WEI
  • Patent number: 11695232
    Abstract: Provided is an adapter. The adapter includes a housing and an elastic component. The elastic component is configured to connect the housing with an installation frame. The elastic component includes an installation body, a blocking portion and a clamping elastic piece, the blocking portion and the clamping elastic piece are disposed on the installation body. The installation body is configured to be detachably connected to the housing. A first clamping gap capable of accommodating the installation frame is provided between the blocking portion and the clamping elastic piece.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 4, 2023
    Assignee: Suncall Technologies (SZ) Co., Ltd
    Inventors: Xiaotong Yang, Xiaohui Liu, Masaya Nakagawa
  • Publication number: 20230201202
    Abstract: The present invention provides methods for reducing the viability of cells that express PI3K?, treating myeloid malignancies, and sensitizing cells, particularly cancer cells that express PI3K? to chemotherapeutic agents. The methods comprise contacting a cell or administering to the subject a PI3K inhibitor that inhibits PI3K? in an isoform-specific manner.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 29, 2023
    Inventors: Kris WOOD, Kevin H. Lin, Justine Rutter, Xiaohui Hazel ANG
  • Publication number: 20230205006
    Abstract: A backlight module includes a substrate, a luminous source, an optical film, and a support structure, the luminous source is disposed on the substrate and is opposite to the optical film, the support structure is disposed between the substrate and the optical film, the support structure includes a base plate and at least two elastic support portions arranged at intervals, the base plate is disposed on the substrate, and the elastic support portions are disposed on a side of the base plate away from the substrate, and support the optical film.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Inventors: Xiaohui YANG, Shin Moo KEUN, Haoxuan ZHENG
  • Publication number: 20230204844
    Abstract: A backlight module and a display device are disclosed. The backlight module includes an assembled light plate which is formed by assembling a plurality of light plates. There is a gap between every two adjacent light plates. The backlight module further includes a diffuser plate arranged at a position corresponding to the gap. The diffuser plate covers at least one row of light emitting diodes disposed on at least one of the two adjacent light plates. At least part of the light emitting diodes on the light plate are uncovered.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Inventors: ZHI ZENG, Xiaohui YANG, Haijiang YUAN
  • Patent number: 11685778
    Abstract: Disclosed in the present invention are an antibody targeting LAG-3, a preparation method therefor and the use thereof. In particular, disclosed in the present invention is a novel monoclonal antibody targeting LAG-3. Also disclosed in the present invention is a method for the preparation of the monoclonal antibody. The monoclonal antibody of the present invention is capable of binding LAG-3 antigens with high specificity, and has very high affinity and significant activities such as anti-tumor activity.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 27, 2023
    Assignee: JIANGSU HUAIYU PHARMACEUTICAL CO., LTD.
    Inventors: Ningning Song, Qing Duan, Xiaohui Shao, Peng Wang, Xiaojiao Bian, Qian Wang, Peipei Wei, Yajun Huang, Jian Wu, Meiling Wang, Yuandong Wang, Lina Xu, Tatchi Teddy Yang, Lile Liu
  • Patent number: 11679896
    Abstract: An apparatus and method for continuous catapulting of unmanned aerial vehicles are disclosed, and relate to the technical field of aircraft catapulting and recovery. The apparatus consists of an unmanned aerial vehicle storage apparatus, an unmanned aerial vehicle conveying apparatus, an automatic unmanned aerial vehicle loading apparatus, tackles and a rotary tube-type multi-track unmanned aerial vehicle catapult. The present invention can increase catapulting efficiency of the unmanned aerial vehicles, and is suitable for rapidly forming a cluster of the unmanned aerial vehicles.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 20, 2023
    Assignee: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS
    Inventors: Xiaohui Wei, Tianchi Gao, Zhao Zhang, Hong Nie, Jingqi Huang