Patents by Inventor Mu LIU

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).

  • 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
  • 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
  • Patent number: 6383426
    Abstract: A foaming and forming method for soft and hard types poly products that includes blending soft or hard type poly material (expanding resin) with selected proportion of additives of carbonic calcium powder, 2-heptanone, soda powder, water, starch power and phosphoric acid-3 to form an evenly blended product solution, injecting the blended product solution into a silicon or steel mold for rapidly generating required air bubbles (beehive shapes) to expand the product solution a number of times, hardening the product solution to form a semi-finished product to be released from the mold immediately, and performing colored painting and embellishment for the semi-finished product to form a light weight and easy to transport poly product.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: May 7, 2002
    Inventors: Kun-Hsiung Chiu, Hua-Mu Liu