Patents by Inventor Shengping Zhang

Shengping Zhang 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).

  • 3D mask face anti-spoofing with remote photoplethysmography
    Patent number: 10380444
    Abstract: The present invention relates to 3D mask face anti-spoofing with remote photoplethysmography. More particularly, it relates to a local rPPG correlation model to extract discriminative and robust local rPPG signal patterns so that an imposter can better be detected regardless of the material and quality of the mask.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: August 13, 2019
    Assignee: Hong Kong Baptist University
    Inventors: Pong Chi Yuen, Siqi Liu, Shengping Zhang, Guoying Zhao
  • 3D MASK FACE ANTI-SPOOFING WITH REMOTE PHOTOPLETHYSMOGRAPHY
    Publication number: 20190014999
    Abstract: The present invention relates to 3D mask face anti-spoofing with remote photoplethysmography. More particularly, it relates to a local rPPG correlation model to extract discriminative and robust local rPPG signal patterns so that an imposter can better be detected regardless of the material and quality of the mask.
    Type: Application
    Filed: July 14, 2017
    Publication date: January 17, 2019
    Inventors: Pong Chi YUEN, Siqi LIU, Shengping ZHANG, Guoying ZHAO
  • Skin wound closure apparatus
    Patent number: 8915942
    Abstract: The invention discloses a skin wound closure device capable of promoting skin wound healing and characterized by being capable of randomly adjusting stitching force for a wound. The skin wound closure device includes a support structure respectively arranged at both sides of a skin wound, at least one locking device is arranged above the support structure, the locking device includes a locking bar and a locking buckle arranged on the support structure, the locking bar is movably connected within the locking buckle, and a locking member is arranged on the locking buckle and can lock or loosely fit the locking bar in the locking buckle.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: December 23, 2014
    Assignee: Sichuan Lichen Medical & Pharmaceutical Technology Co., Ltd.
    Inventor: Shengping Zhang
  • SKIN WOUND CLOSURE APPARATUS
    Publication number: 20130072969
    Abstract: The invention discloses a skin wound closure device capable of promoting skin wound healing and characterized by being capable of randomly adjusting stitching force for a wound. The skin wound closure device includes a support structure respectively arranged at both sides of a skin wound, at least one locking device is arranged above the support structure, the locking device includes a locking bar and a locking buckle arranged on the support structure, the locking bar is movably connected within the locking buckle, and a locking member is arranged on the locking buckle and can lock or loosely fit the locking bar in the locking buckle.
    Type: Application
    Filed: June 1, 2011
    Publication date: March 21, 2013
    Applicant: Sichuan Lichen Medical & Pharmaceutical Technology Co., Ltd.
    Inventor: Shengping Zhang