Patents by Inventor Linfeng YAN

Linfeng YAN 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: 12610095
    Abstract: System, apparatus, article of manufacture, method and/or computer program embodiments are provided for automated quality control (QC) of media content. An example method can include segmenting, via a first thread implemented by a first program at a node, a video into video segments including video and audio content; providing, via a second thread implemented by the first program, each video segment to a second program at the node; as the second thread provides each video segment to the second program, removing, from storage via a third thread implemented by the first program, one or more video segments provided to the second program by the second thread; for each video segment received by the second program, determining, via the second program, whether the video segment contains a QC issue including monophonic sound, silent/muted audio, black video frames, and/or frozen video frames; and generating QC data comprising information about QC issues detected.
    Type: Grant
    Filed: August 6, 2024
    Date of Patent: April 21, 2026
    Assignee: Roku, Inc.
    Inventors: Shailin Saraiya, Linfeng Yan, Yiming Han
  • Publication number: 20260046464
    Abstract: System, apparatus, article of manufacture, method and/or computer program embodiments are provided for automated quality control (QC) of media content. An example method can include segmenting, via a first thread implemented by a first program at a node, a video into video segments including video and audio content; providing, via a second thread implemented by the first program, each video segment to a second program at the node; as the second thread provides each video segment to the second program, removing, from storage via a third thread implemented by the first program, one or more video segments provided to the second program by the second thread; for each video segment received by the second program, determining, via the second program, whether the video segment contains a QC issue including monophonic sound, silent/muted audio, black video frames, and/or frozen video frames; and generating QC data comprising information about QC issues detected.
    Type: Application
    Filed: August 6, 2024
    Publication date: February 12, 2026
    Inventors: Shailin Saraiya, Linfeng Yan, Yiming Han
  • Publication number: 20250330665
    Abstract: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for classifying ad break markers. An example method can include receiving a media stream comprising audio data and video data, wherein the media stream includes at least one ad break marker; obtaining closed caption data corresponding to the media stream; and determining a classification for the at least one ad break marker based on the closed caption data.
    Type: Application
    Filed: June 30, 2025
    Publication date: October 23, 2025
    Inventors: Nicholas Lineback, Ritwick Babbar, Shailin Saraiya, Linfeng Yan, Yuvaraj Kumar Kesavan
  • Publication number: 20230337980
    Abstract: Disclosed is a portable rapid detection device for cognition, sleep and psychological status. The portable rapid detection device comprises a detection dial plate, an adjusting knob, woven watchbands, screw rods, sweat-absorbent linings and a sweat-absorbent quick-drying pad. The detection dial plate is of a cylindrical structure. The embedded adjusting knob is installed in the middle of the front end of the detection dial plate. The woven watchbands are installed at two ends of the detection dial plate and fixed through the screw rods. The embedded sweat-absorbent lining is installed on the inner side of the woven watchband. The sweat-absorbent quick-drying pad is installed in the middle of the bottom of the detection dial plate and fixed through magnetic attraction.
    Type: Application
    Filed: April 17, 2023
    Publication date: October 26, 2023
    Inventors: Wen WANG, Guangbin CUI, Linfeng YAN, Ying YU, Bo HU, Zhuhong CHEN, Jingting SUN, Zeshun WU