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Automated perceptual quality assessment of touchscreen devices

  • US 9,298,312 B2
  • Filed: 02/15/2012
  • Issued: 03/29/2016
  • Est. Priority Date: 06/30/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a video of a user interaction with a touch screen;

    using a computer vision process to identify a gesture in the video;

    detecting a first display update on the touch screen;

    determining a response time of the touch screen with respect to the gesture, wherein determining the response time includes counting one or more frames between the gesture and the first display update;

    tracking a display area update percentage subsequent to the first display update, wherein the display area update percentage is tracked on a frame-by-frame basis;

    conducting a frame rate determination for the touch screen based on the display area percentage update; and

    outputting the response time and a result of the frame rate determination.

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