Patents by Inventor DONG YAN GUO

DONG YAN GUO 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: 11756306
    Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.
    Type: Grant
    Filed: January 8, 2023
    Date of Patent: September 12, 2023
    Assignee: Hangzhou Juyan Xincheng Technology Co. Ltd.
    Inventors: Xiao Feng Ren, Xin Xie, Yu Guo, Dong Yan Guo, Zhen Hua Wang, Jian Hua Zhang, Du Si Zhang
  • Publication number: 20230222804
    Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.
    Type: Application
    Filed: January 8, 2023
    Publication date: July 13, 2023
    Inventors: XIAO FENG REN, XIN XIE, YU GUO, DONG YAN GUO, ZHEN HUA WANG, JIAN HUA ZHANG, DU SI ZHANG