Mobile terminal and fingerprint data processing method thereof

Abstract

The invention provides a mobile terminal and a fingerprint data processing method thereof. The method includes: reading distance sensing data from data nodes; judging a magnitude relation between the distance sensing data and a first threshold value and between the distance sensing data and a second threshold value; if the distance sensing data is smaller than or equal to the first threshold, changing a current distance state identifier into a first state identifier, and scanning images of a fingerprint acquisition module of the mobile terminal within a current scanning period according to the first state identifier; if the distance sensing data is larger than the first threshold and smaller than the second threshold, determining a distance state between the mobile terminal and a shield according to the current distance state identifier; if the distance sensing data is larger than or equal to the second threshold, changing the current distance state identifier into a second state identifier, stopping scanning operation within the current scanning period according to the second state identifier. By the mobile terminal and the fingerprint data processing method thereof, the problem of power consumption caused by constant wakeup of the mobile terminal due to contact of a moist pocket with a fingerprint acquisition module when the mobile terminal is put in the moist pocket can be solved.

Description

technical field [0001] The invention relates to the technical field of fingerprint authentication, in particular to a mobile terminal fingerprint data processing method and a mobile terminal. Background technique [0002] The fingerprint authentication method is mainly used in mobile terminal lock screen, fingerprint payment and other situations. By comparing the collected fingerprint image with the entered fingerprint template, fingerprint unlocking, fingerprint payment and other functions are realized. Such as figure 1 Shown is a structural schematic diagram of a mobile terminal, figure 1 The mobile terminal includes a fingerprint collection module 1, a fingerprint chip 2 and a processor 3, wherein the fingerprint collection module 1 is used to collect and detect fingerprint images; the fingerprint chip 2 is used to scan, capture and process fingerprint images; the processor 3 uses For controlling further operations according to the fingerprint comparison result, for exa...

AI Technical Summary

Problems solved by technology

[0004] However, after the fingerprint chip 2 starts the fingerprint authentication process, it is in the state of periodically scanning the fingerprint image. When the mobile terminal is placed in a closed space such as a pocket or a handbag, objects such as pockets or bags are relatively close to the mobile terminal, especially During the exercise, the pocket or handbag will frequently touch the fingerprint collection module on the mobile terminal, so that the fingerprint chip scans the image collected by the fingerprint collection module and judges whether the image is a fingerprint image. If the fingerprint chip judges the image as a fingerprint When the image is displayed, the fingerprint chip wakes up the processor for fingerprint recognition operation, which causes unnecessary power consumption and affects the battery life of the mobile terminal

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