Patents by Inventor Shengsen Zhang

Shengsen 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: 10659824
    Abstract: Embodiments of the present application disclose a video playback method and apparatus, which relate to the field of video communication technologies. The method includes: receiving a data obtaining request for a video to be played back sent by a client; estimating a current data transmission speed according to historical data transmission speeds; selecting a target video frame discarding scheme from preset video frame discarding schemes, according to the current data transmission speed and a theoretical data transmission speed corresponding to a preset video frame discarding scheme, wherein the theoretical data transmission speed is determined according to the multiplied speed for video playback; and performing discard processing on video data of the video to be played back according to the target video frame discarding scheme, and sending to the client the video data that has been subjected to the discard processing, so that the client plays back the video to be played back.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 19, 2020
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Shiliang Pu, Shengsen Zhang, Guangkai Ding, Wei Wang, Qiqian Lin, Weichun Wang
  • Publication number: 20190313136
    Abstract: Embodiments of the present application disclose a video playback method and apparatus, which relate to the field of video communication technologies. The method includes: receiving a data obtaining request for a video to be played back sent by a client; estimating a current data transmission speed according to historical data transmission speeds; selecting a target video frame discarding scheme from preset video frame discarding schemes, according to the current data transmission speed and a theoretical data transmission speed corresponding to a preset video frame discarding scheme, wherein the theoretical data transmission speed is determined according to the multiplied speed for video playback; and performing discard processing on video data of the video to be played back according to the target video frame discarding scheme, and sending to the client the video data that has been subjected to the discard processing, so that the client plays back the video to be played back.
    Type: Application
    Filed: February 15, 2017
    Publication date: October 10, 2019
    Applicant: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Shiliang Pu, Shengsen Zhang, Guangkai Ding, Wei Wang, Qiqian Lin, Weichun Wang