Screen unlocking method for electronic terminal, image acquiring method and electronic terminal

  • US 10,289,818 B2
  • Filed: 11/28/2017
  • Issued: 05/14/2019
  • 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, using a hardware processor, recorded debug parameters used for selecting target images in most recent N instances, wherein N is a natural number;

    ranking the recorded debug parameters in a descending order according to frequencies of use of the recorded debug parameters;

    determining a most frequently used debug parameter from the ranked recorded debug parameters;

    adjusting current debug parameters by using the ranked recorded debug parameters sequentially starting from the most frequently used debug parameter, and debugging images currently acquired by using the adjusted current debug parameters, to obtain debugged images;

    selecting a new target image having highest clarity from the debugged images; and

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

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