Patents by Inventor Xiangchun Tan

Xiangchun Tan 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).

  • Method of determining video quality
    Patent number: 8902782
    Abstract: A method and a device utilizing an algorithm using measurement data derived from parameters related to a video-streaming player and/or parameters related to data transport is disclosed. The data are used as input data in a model designed to generate a value corresponding to the quality of the multimedia sequence, such as for example a MOS score.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: December 2, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Jörgen Gustafsson, Gunnar Heikkilä, Martin Pettersson, Xiangchun Tan
  • Method of determining video quality
    Patent number: 8339976
    Abstract: A method and a device utilizing an algorithm using measurement data derived from parameters related to a video-streaming player and/or parameters related to data transport is disclosed. The data are used as input data in a model designed to generate a value corresponding to the quality of the multimedia sequence, such as for example a MOS score.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: December 25, 2012
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jörgen Gustafsson, Xiangchun Tan, Gunnar Heikkilä, Martin Pettersson
  • Method And Arrangement For Video Telephony Quality Assessment
    Publication number: 20100053300
    Abstract: In a method of quality assessment for a multimedia signal comprising video telephony media in a video telephony system, the multimedia signal is received SIO, a plurality of parameters of said multimedia signal are extracted S20, and an objective quality measure is determined S30 for the video telephony media based on representations of at least two of the extracted parameters.
    Type: Application
    Filed: February 2, 2007
    Publication date: March 4, 2010
    Inventors: Torbjörn Einarsson, Jörgen Gustafsson, Gunnar Heikkilä, Martin Pettersson, Xiangchun Tan
  • Method of Determining Video Quality
    Publication number: 20100008241
    Abstract: A method and a device utilizing an algorithm using measurement data derived from parameters related to a video-streaming player and/or parameters related to data transport is disclosed. The data are used as input data in a model designed to generate a value corresponding to the quality of the multimedia sequence, such as for example a MOS score.
    Type: Application
    Filed: October 19, 2006
    Publication date: January 14, 2010
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jörgen Gustafsson, Gunnar Heikkilä, Martin Pettersson, Xiangchun Tan