Patents by Inventor Tianjiao XU

Tianjiao XU 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).

  • Heart Rate Estimation Method and Apparatus, and Electronic Device Applying Same
    Publication number: 20220409079
    Abstract: The present invention discloses a heart rate estimation method and apparatus, and an electronic device applying same. The heart rate estimation method includes: acquiring a face video; performing face detection on the face video to extract a local face area that is set as heart rate estimation; performing first processing on values of pixel points in the local face area to obtain an initial heart rate signal; performing time-frequency domain conversion on the initial heart rate signal to obtain a frequency domain signal; and performing second processing on the frequency domain signal within a heart rate estimation range to obtain a heart rate estimation value.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 29, 2022
    Inventors: Zhirui ZHANG, Tianjiao XU, Jin WANG