Patents by Inventor Yihui Hu

Yihui Hu 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: 20230316733
    Abstract: A video behavior recognition method is performed by a computer device, the method including: extracting a video image feature from each of at least two frames of target video; performing contribution adjustment on a spatial feature of the video image feature to obtain an intermediate image feature for each frame; fusing, based on priori information, a temporal feature of the intermediate image feature and a cohesive feature corresponding to the temporal feature to obtain a fused feature for each frame, the priori information indicating change information of the intermediate image feature in a temporal dimension, and the cohesive feature being obtained by performing attention processing on the temporal feature; performing temporal feature contribution adjustment on the fused feature to obtain a behavior recognition feature for each frame; and performing video behavior recognition based on the behavior recognition features of the at least two frames.
    Type: Application
    Filed: May 24, 2023
    Publication date: October 5, 2023
    Inventors: Yihui HU, Weidong YANG, Yu CHEN
  • Patent number: 7737173
    Abstract: The invention provides compounds represented by the formula I, each of which compounds may have sphingosine-1-phosphate receptor agonist and or antagonist biological activity: and wherein the variables Y, R4, n, A, X, Z, R1, o, R3, R2 and p are as defined in the specification. These compounds are useful for treating a disease or condition selected from the group consisting of glaucoma, dry eye, angiogenesis, cardiovascular conditions and diseases, and wound healing.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: June 15, 2010
    Assignee: Allergan, Inc.
    Inventors: Richard L. Beard, John E. Donello, Haiqing Yuan, Diana F. Colon, Tien Duong, Xiaoxia Liu, Yihui Hu
  • Publication number: 20070191313
    Abstract: The invention provides compounds represented by the formula I, each of which compounds may have sphingosine-1-phosphate receptor agonist and or antagonist biological activity: and wherein the variables Y, R4, n, A, X, Z, R1, o, R3, R2 and p are as defined in the specification.
    Type: Application
    Filed: February 15, 2007
    Publication date: August 16, 2007
    Inventors: Richard L. Beard, John E. Donello, Haiqing Yuan, Diana F. Colon, Tien Duong, Xiaoxia Liu, Yihui Hu