Patents by Inventor PAN OU

PAN OU 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).

  • Intraoral three-dimensional scanning system based on stereo vision using a monocular camera
    Patent number: 11375888
    Abstract: An intraoral three-dimensional scanning system with a monocular camera includes the monocular camera. A first mirror and a second mirror perpendicular to each other are provided between the monocular camera and an object to be measured. A bisector of an angle formed by the first mirror and the second mirror is perpendicular to a lens of the monocular camera, and reflecting surfaces of the first mirror and the second mirror face the lens. A third mirror is provided at a side of the first mirror away from the second mirror, and a fourth mirror is provided at a side of the mirror away from the first mirror. The first mirror, the second mirror, the third mirror and the fourth mirror are located in the same plane.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 5, 2022
    Assignee: YUNNAN OBSERVATORIES, CHINESE ACADEMY OF SCIENCES
    Inventors: Qian Long, Pan Ou, Li Zhao, Qiwei Xie, Zicheng Zhao
  • INTRAORAL THREE-DIMENSIONAL SCANNING SYSTEM BASED ON STEREO VISION USING A MONOCULAR CAMERA
    Publication number: 20210093178
    Abstract: An intraoral three-dimensional scanning system with a monocular camera includes the monocular camera. A first mirror and a second mirror perpendicular to each other are provided between the monocular camera and an object to be measured. A bisector of an angle formed by the first mirror and the second mirror is perpendicular to a lens of the monocular camera, and reflecting surfaces of the first mirror and the second mirror face the lens. A third mirror is provided at a side of the first mirror away from the second mirror, and a fourth mirror is provided at a side of the mirror away from the first mirror. The first mirror, the second mirror, the third mirror and the fourth mirror are located in the same plane.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 1, 2021
    Inventors: QIAN LONG, PAN OU, LI ZHAO, QIWEI XIE, ZICHENG ZHAO