Patents by Inventor Xiao-Mu Liu

Xiao-Mu Liu 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).

  • Face image processing method
    Patent number: 8295557
    Abstract: A face image processing method is applied to an electronic device, such that the electronic device can perform a face detection to a digital image to obtain a face image in the digital image automatically, and perform a skin color detection to the face image to exclude non-skin features such as eyes, eyeglasses, eyebrows, a moustache, a mouth and nostrils on the face image, and form a skin mask in an area range of the face image belonging to skin color, and finally perform a filtering process to the area range of the face image corresponding to the skin mask to filter high-frequency, mid-frequency and low-frequency noises of an abnormal skin color in the area range of the face image, so as to quickly remove blemishes and dark spots existed in the area range of the face image.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: October 23, 2012
    Assignee: Arcsoft Hangzhou Co., Ltd.
    Inventors: Jin Wang, Guo-Gang Wang, Cheng-Jian He, Xiao-Mu Liu, Jian-Feng Li
  • Face image processing method
    Publication number: 20100177981
    Abstract: A face image processing method is applied to an electronic device, such that the electronic device can perform a face detection to a digital image to obtain a face image in the digital image automatically, and perform a skin color detection to the face image to exclude non-skin features such as eyes, eyeglasses, eyebrows, a moustache, a mouth and nostrils on the face image, and form a skin mask in an area range of the face image belonging to skin color, and finally perform a filtering process to the area range of the face image corresponding to the skin mask to filter high-frequency, mid-frequency and low-frequency noises of an abnormal skin color in the area range of the face image, so as to quickly remove blemishes and dark spots existed in the area range of the face image.
    Type: Application
    Filed: January 12, 2009
    Publication date: July 15, 2010
    Applicant: ArcSoft Hangzhou Co., Ltd.
    Inventors: Jin Wang, Guo-Gang Wang, Cheng-Jian He, Xiao-Mu Liu, Jian-Feng Li