Patents by Inventor Guangxu MA

Guangxu MA 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 and device for assessing quality of multimedia resource
    Patent number: 10762122
    Abstract: The present disclosure provides a method and device for assessing quality of multimedia resource, wherein the method includes the steps of: determining a cumulative distribution vector of the multimedia resource according to indicator data for describing user behavior on the multimedia resource; determining an upper boundary vector and a lower boundary vector of the multimedia resource according to the cumulative distribution vector; and determining a quality score of the multimedia resource according to the cumulative distribution vector, the upper boundary vector, and the lower boundary vector. The present disclosure can better describe the quality of multimedia resource, and has a great operability. Moreover, after the quality of multimedia resource is assessed by using the quality assessment method of multimedia resource in the examples of the present disclosure, the feedback of online behaviors can be reflected on the final dynamic and optimized ranking and recommendation of the multimedia resource.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: September 1, 2020
    Assignee: Alibaba Group Holding Limited
    Inventors: Bo Wei, Zhibing Qi, Yuantu Wang, Guangxu Ma, Yuping Liu, Yuzong Yin, Jian Yao, Baiyu Pan, Ji Wang
  • METHOD AND DEVICE FOR ASSESSING QUALITY OF MULTIMEDIA RESOURCE
    Publication number: 20200192930
    Abstract: The present disclosure provides a method and device for assessing quality of multimedia resource, wherein the method includes the steps of: determining a cumulative distribution vector of the multimedia resource according to indicator data for describing user behavior on the multimedia resource; determining an upper boundary vector and a lower boundary vector of the multimedia resource according to the cumulative distribution vector; and determining a quality score of the multimedia resource according to the cumulative distribution vector, the upper boundary vector, and the lower boundary vector. The present disclosure can better describe the quality of multimedia resource, and has a great operability. Moreover, after the quality of multimedia resource is assessed by using the quality assessment method of multimedia resource in the examples of the present disclosure, the feedback of online behaviors can be reflected on the final dynamic and optimized ranking and recommendation of the multimedia resource.
    Type: Application
    Filed: September 19, 2016
    Publication date: June 18, 2020
    Inventors: Bo WEI, Zhibing QI, Yuantu; WANG, Guangxu MA, Yuping LIU, Yuzong YIN, Jian YAO, Baiyu PAN, Ji WANG