IP Library Granted Patent US 11,194,996
Granted Patent B2
US 11,194,996 · App. 16/723,502 · Granted Dec 7, 2021

Method of unlocking control, mobile terminal, and computer storage medium

Inventors: Yibao Zhou (Guangdong, CN); Haiping Zhang (Guangdong, CN)
Assignee: SHENZHEN HEYTAP TECHNOLOGY CORP., LTD.
G06K9/00255G06F21/32G06K9/00288H04M1/72463
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Quick Facts
Patent No.
US 11,194,996
App. No.
16/723,502
Granted
Dec 7, 2021
Kind
B2
Abstract

An unlocking control method and a related product, the method may include: acquiring, by means of a proximity sensor of a mobile terminal, the distance between a face and the mobile terminal; determining a target biometrics module, the target biometrics module being any one biometrics module to be adjusted to a matching threshold value within a current biometrics apparatus; determining, according to the distance, a target matching threshold value corresponding to the target biometrics module, and adjusting a matching threshold value of the target biometrics module to the target matching threshold value; and performing unlocking control according to the target matching threshold value.

Claims (75)

1. A method of unlocking control, adapted to a mobile terminal configured with a biometric identification apparatus, and the method comprising:

acquiring a distance between a face of a user and the mobile terminal through a proximity sensor of the mobile terminal;

determining a target biometric identification module, wherein the target biometric identification module is any biometric identification module of the biometric identification apparatus and has a matching threshold to be adjusted;

determining a target matching threshold corresponding to the target biometric identification module based on the acquired distance, adjusting the matching threshold of the target biometric identification module to the target matching threshold; and

controlling the unlocking based on the target matching threshold,

wherein the determining the target matching threshold corresponding to the target biometric identification module based on the acquired distance comprises:

acquiring L verification records of the target biometric identification module at the acquired distance from a verification history, wherein L is an integer greater than 1;

acquiring L matching values corresponding to each of the L verification records; and

determining the target matching threshold based on the L matching values.

2. The method according to claim 1 , wherein the determining the target matching threshold corresponding to the target biometric identification module based on the acquired distance comprises:

acquiring a first absolute value of a difference value between a predefined distance of the target biometric identification module and the acquired distance; and

determining the target matching threshold based on the first absolute value.

3. The method according to claim 2 , wherein the determining the target biometric identification module comprises:

acquiring an environment parameter through an environment sensor of the mobile terminal; and

determining the target biometric identification module based on the environment parameter.

4. The method according to claim 3 , wherein the determining the target biometric identification module further comprises:

acquiring a scene parameter of the mobile terminal; and

determining the target biometric identification module based on the scene parameter and the environment parameter.

5. The method according to claim 4 , wherein the method further comprises:

acquiring M verification records of the target biometric identification module corresponding to the scene parameter and the environment parameter from a verification history, wherein M is an integer greater than 1;

acquiring N verification records each having a matching value greater than a target threshold from the M verification records, wherein N is a positive integer less than M; and

determining the predefined distance based on the acquired distance corresponding to each of the N verification records.

6. The method according to claim 1 , wherein the controlling the unlocking based on the target matching threshold comprises:

collecting biometric information through the target biometric identification module;

acquiring a matching value between the biometric information and predefined biometric information; and

initiating predefined biometric identification module for verification when the matching value is less than the target matching threshold and greater than a predefined target threshold, wherein the predefined target threshold is less than the target matching threshold.

7. The method according to claim 6 , wherein the method further comprises:

acquiring a second absolute value of a difference value between the matching value and the target matching threshold; and

determining the predefined biometric identification module based on the second absolute value.

8. The method according to claim 1 , wherein in the determining the target matching threshold based on the L matching values, the target matching threshold is determined to be one of a mean of the L matching values, a minimum value of the L matching values, and a matching value corresponding to a longest time consumed for verification in the L matching values.

9. A mobile terminal, comprising a processor, a proximity sensor connected to the processor, a non-transitory memory, a target biometric identification module, and an environment sensor connected to the processor,

wherein the target biometric identification module is any biometric identification module of a current biometric identification apparatus and has a matching threshold to be adjusted,

wherein the proximity sensor is configured to acquire a distance between a face of a user and the mobile terminal,

wherein the environment sensor is configured to acquire an environment parameter,

wherein the non-transitory memory is configured to store the matching threshold corresponding to the target biometric identification module, and

wherein the processor is configured to:

determine a target matching threshold corresponding to the target biometric identification module based on the acquired distance;

adjust the matching threshold of the target biometric identification module to the target matching threshold;

control unlocking based on the target matching threshold;

acquire a scene parameter of the mobile terminal;

acquire M verification records of the target biometric identification module corresponding to the scene parameter and the environment parameter from the verification history, wherein M is an integer greater than 1;

acquire N verification records having a matching value greater than a target threshold from the M verification records, wherein N is a positive integer less than M; and

determine a predefined distance based on the acquired distance corresponding to each of the N verification records.

10. The mobile terminal according to claim 9 , wherein the non-transitory memory is further configured to store a verification history; and

when determining the target matching threshold corresponding to the target biometric identification module based on the acquired distance, the processor is configured to:

acquire L verification records of the target biometric identification module at the acquired distance from the verification history, wherein L is an integer greater than 1;

acquire L matching values corresponding to each of the L verification records; and

determine the target matching threshold based on the L matching values.

11. The mobile terminal according to claim 9 , wherein the non-transitory memory is further configured to store a predefined distance of the target biometric identification module; and

when determining the target matching threshold corresponding to the target biometric identification module based on the acquired distance, the processor is configured to:

acquire a first absolute value of a difference value between the predefined distance and the acquired distance; and

determine the target matching threshold based on the first absolute value.

12. The mobile terminal according to claim 11 , wherein the processor is further configured to determine the target biometric identification module based on the environment parameter.

13. The mobile terminal according to claim 12 , wherein the processor is further configured to determine the target biometric identification module based on the scene parameter and the environment parameter.

14. The mobile terminal according to claim 9 , wherein

the non-transitory memory is further configured to store a predefined target threshold, a predefined biometric identification module corresponding to the target biometric identification module, and predefined target biometric information corresponding to the target biometric identification module, wherein the predefined target threshold is less than the target matching threshold;

the target biometric identification module is configured to collect biometric information; and

when the processor is configured to control unlocking based on the target matching threshold, the processor is further configured to:

acquire the matching value between the biometric information and the predefined biometric information; and

initiate the predefined biometric identification module for verification when the matching value is less than the target matching threshold and greater than the predefined target threshold.

15. The mobile terminal according to claim 9 , wherein the target matching threshold is determined to be one of a mean of the L matching values, a minimum value of the L matching values, and a matching value corresponding to a longest time consumed for verification in the L matching values.

16. A computer-readable non-transitory storage medium, configured to store a computer program, wherein the computer program enables the computer to execute operations of:

acquiring a distance between a face of a user and a mobile terminal through a proximity sensor of the mobile terminal;

storing a target matching threshold corresponding to a target biometric identification module according to the detected distance;

controlling unlocking based on the target biometric identification module and the target matching threshold;

acquiring an environment parameter and a scene parameter of the mobile terminal;

acquiring M verification records of the target biometric identification module corresponding to the scene parameter and the environment parameter from the verification history, wherein M is an integer greater than 1;

acquiring N verification records having a matching value greater than a target threshold from the M verification records, wherein N is a positive integer less than M; and

determining a predefined distance based on the acquired distance corresponding to each of the N verification records.

17. The computer-readable non-transitory storage medium according to claim 16 , wherein the target matching threshold is determined by: acquiring L verification records of the target biometric identification module at the acquired distance from a verification history, wherein L is an integer greater than 1;

acquiring L matching values corresponding to each of the L verification records; and

determining the target matching threshold based on the L matching values.

18. The computer-readable non-transitory storage medium according to claim 16 , wherein the target matching threshold is determined by:

acquiring a first absolute value of a difference value between a predefined distance of the target biometric identification module and the acquired distance; and

determining the target matching threshold based on the first absolute value.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 21, 2021
From: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
To: SHENZHEN HEYTAP TECHNOLOGY CORP., LTD.
Reel/Frame 057859/0931 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2019
From: ZHOU, YIBAO; ZHANG, HAIPING
To: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Reel/Frame 051348/0317 →
Priority Claims (1)
CN 201710632724.1 · Jul 28, 2017 · national
Continuity (2)
Continuation PCTCN2018096825 · Jul 24, 2018
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