Method For Screen Unlocking, Method For Image Acquiring, And Electronic Terminal

  • US 20180268117A1
  • Filed: 05/24/2018
  • Published: 09/20/2018
  • Est. Priority Date: 03/16/2016
  • Status: Active Grant
First Claim
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1. A method for screen unlocking of an electronic terminal, comprising:

  • counting a most frequently used debug parameter according to recorded debug parameters used for image selection in the most recent N instances, wherein N is a natural number and the debug parameters comprise capacity auto control (CAC) parameters;

    wherein the debug parameters are adjusted for several times when the electronic terminal acquires a fingerprint image entered by a user through an acquiring module, to process the fingerprint image acquired with the debug parameters adjusted each time, to select a target fingerprint image;

    wherein the CAC parameters comprise at least one of a gain parameter, an analog-to-digital converter (ADC) parameter, and a pixel gain parameter;

    performing auto-adjustment on the debug parameters from the most frequently used debug parameter, and debugging an image current acquired with the debug parameters adjusted, to obtain debugged images;

    selecting a target image from the debugged images; and

    identifying whether the target image satisfies an unlocking condition, and unlocking a screen of the electronic terminal when the unlocking condition is satisfied.

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