Patents by Inventor Cheng-Xiong Zhang

Cheng-Xiong 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).

  • Patent number: 9204155
    Abstract: An apparatus comprising a codec configured to predict an intra mode for a considered block based on a plurality of group numbers and a plurality of corresponding group indices for a plurality used modes of a plurality of adjacent blocks to the considered block, wherein a group number corresponding to an actual intra mode for the considered block is coded and sent if the predicted intra mode does not match the actual intra mode. Also disclosed is a network component comprising a processor configured to predict an intra mode for a considered block based on a minimum group number and a minimum group index of two used modes for two adjacent blocks of the considered block, and a transmitter configured to send coded bits of a group number for an actual intra mode for the considered block if the actual intra mode does not match the predicted intra mode.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: December 1, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Lingzhi Liu, Guichun Li, Nam Ling, Jianhua Zheng, Cheng-Xiong Zhang
  • Patent number: 8477845
    Abstract: An apparatus comprising an inter-prediction motion compensation unit, a transform unit coupled to the inter-prediction motion compensation unit, a quantization unit coupled to the transform unit such that the transform unit is positioned between the inter-prediction motion compensation unit and the quantization unit, a scanning unit coupled to the quantization unit such that the quantization unit is positioned between the transform unit and the scanning unit, and an adaptive scan order predictor unit coupled to the inter-prediction motion compensation unit, the quantization unit, and the scanning unit. An apparatus comprising an entropy decoding unit, an inverse scanning unit coupled to the entropy decoding unit, an inverse quantization unit coupled to the inverse scanning unit such that the inverse scanning unit is positioned between the entropy coding unit and the inverse quantization unit, and an adaptive scan order predictor unit coupled to the entropy decoding unit and the inverse scanning unit.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: July 2, 2013
    Assignee: Futurewei Technologies, Inc.
    Inventors: Lingzhi Liu, Xiang Li, Jianhua Zheng, Nam Ling, Cheng-Xiong Zhang
  • Publication number: 20120082221
    Abstract: An apparatus comprising a codec configured to predict an intra mode for a considered block based on a plurality of group numbers and a plurality of corresponding group indices for a plurality used modes of a plurality of adjacent blocks to the considered block, wherein a group number corresponding to an actual intra mode for the considered block is coded and sent if the predicted intra mode does not match the actual intra mode. Also disclosed is a network component comprising a processor configured to predict an intra mode for a considered block based on a minimum group number and a minimum group index of two used modes for two adjacent blocks of the considered block, and a transmitter configured to send coded bits of a group number for an actual intra mode for the considered block if the actual intra mode does not match the predicted intra mode.
    Type: Application
    Filed: September 28, 2011
    Publication date: April 5, 2012
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Lingzhi Liu, Guichun Li, Nam Ling, Jianhua Zheng, Cheng-Xiong Zhang
  • Publication number: 20110090955
    Abstract: An apparatus comprising an inter-prediction motion compensation unit, a transform unit coupled to the inter-prediction motion compensation unit, a quantization unit coupled to the transform unit such that the transform unit is positioned between the inter-prediction motion compensation unit and the quantization unit, a scanning unit coupled to the quantization unit such that the quantization unit is positioned between the transform unit and the scanning unit, and an adaptive scan order predictor unit coupled to the inter-prediction motion compensation unit, the quantization unit, and the scanning unit. An apparatus comprising an entropy decoding unit, an inverse scanning unit coupled to the entropy decoding unit, an inverse quantization unit coupled to the inverse scanning unit such that the inverse scanning unit is positioned between the entropy coding unit and the inverse quantization unit, and an adaptive scan order predictor unit coupled to the entropy decoding unit and the inverse scanning unit.
    Type: Application
    Filed: October 15, 2010
    Publication date: April 21, 2011
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Lingzhi Liu, Xiang Li, Jianhua Zheng, Nam Ling, Cheng-Xiong Zhang