CN112052711A - Fingerprint input method, identity verification method and device - Google Patents

Fingerprint input method, identity verification method and device Download PDF

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Publication number
CN112052711A
CN112052711A CN201910498994.7A CN201910498994A CN112052711A CN 112052711 A CN112052711 A CN 112052711A CN 201910498994 A CN201910498994 A CN 201910498994A CN 112052711 A CN112052711 A CN 112052711A
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China
Prior art keywords
fingerprint
user
entry
fingerprints
finger
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CN201910498994.7A
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CN112052711B (en
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沙内瓦拉·瑞迪·耶姆
朱虹
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Shanghai Oxi Technology Co Ltd
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Shanghai Oxi Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/13Sensors therefor

Abstract

A fingerprint input method, an identity verification method and a device are provided, the fingerprint input method comprises the following steps: prompting a user to place at least two fingers on the screen; collecting fingerprints of at least two fingers placed by a user; and storing the acquired fingerprint as a fingerprint template. The terminal is through gathering a plurality of fingerprints of user in order to carry out follow-up verification simultaneously, has promoted the efficiency of fingerprint collection, simultaneously, compares in only gathering a fingerprint of user and carries out authentication, has improved the security that the user carries out operations such as unblock, payment.

Description

Fingerprint input method, identity verification method and device
Technical Field
The invention relates to the technical field of fingerprint identification, in particular to a fingerprint input method, an identity verification method and an identity verification device.
Background
Currently, with the increasing development of the intelligent terminal technology, the fingerprint identification technology is also increasingly applied to intelligent terminals such as mobile phones for unlocking, payment or login and other operations. Before the mobile phone performs unlocking or payment operations through fingerprint identification, fingerprint input is required to be performed to generate a fingerprint template, the fingerprint input by a user is acquired in real time and matched with the fingerprint template during unlocking or payment, and corresponding operations can be performed if matching is successful.
In the prior art, if a user performs fingerprint verification, the fingerprint of only one finger is usually verified, and the security is low. Meanwhile, when the terminal needs to collect a plurality of fingerprints of the user, each fingerprint of the user needs to be collected for multiple times, and the process is complicated.
Therefore, a new fingerprint input method is needed to improve the efficiency of fingerprint input and the user experience.
Disclosure of Invention
In order to improve efficiency and safety of fingerprint acquisition and verification, an embodiment of the present invention provides a fingerprint input method, which is applicable to a terminal capable of performing fingerprint acquisition on a screen, and the fingerprint input method includes: prompting a user to place at least two fingers on the screen; collecting fingerprints of at least two fingers placed by a user; and storing the acquired fingerprint as a fingerprint template.
Optionally, the capturing fingerprints of the at least two fingers comprises: determining fingerprint acquisition coordinates for each of the at least two fingers placed by the user; generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and acquiring the fingerprint of each finger in the fingerprint acquisition area.
Alternatively, a plurality of collected fingerprint templates corresponding to the same user may be stored in the form of a fingerprint template group.
Optionally, the storing the captured fingerprint as a fingerprint template comprises: storing the captured fingerprint locally as a fingerprint template and/or sending the captured fingerprint to a server.
Optionally, the fingerprint entry method further includes: and displaying an entry result message, wherein the entry result message comprises whether the fingerprint of the finger placed by the user is successfully acquired by the terminal.
Optionally, the user performs fingerprint supplementary entry according to the entry result message.
The embodiment of the invention also provides an identity verification method, which is suitable for a terminal with a screen capable of fingerprint acquisition, and comprises the following steps: prompting a user to place at least two fingers on the screen; collecting fingerprints of at least two fingers placed by a user; verifying the collected fingerprint to obtain a verification result message of each finger; and judging whether the user passes the identity authentication according to the authentication result message.
Optionally, the capturing fingerprints of the at least two fingers comprises: determining fingerprint acquisition coordinates for each finger placed by a user; generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and acquiring the fingerprint of each finger in the fingerprint acquisition area.
Optionally, the verifying the acquired fingerprint comprises: selecting a fingerprint from the collected fingerprints, verifying whether the fingerprint matches one of the stored fingerprint templates; and if the first fingerprint template is matched with the fingerprint, verifying whether the other collected fingerprints are matched with other fingerprints in the fingerprint template group where the first fingerprint template is located.
Optionally, the determining, according to the verification result message, whether the user passes the identity verification includes: and if each acquired fingerprint is matched with the stored fingerprint template, judging that the user passes the identity authentication.
Optionally, the verifying the acquired fingerprint comprises: and carrying out fingerprint verification on the acquired fingerprint on the terminal or sending the acquired fingerprint to a server for verification.
Optionally, after obtaining the verification result message of each finger, the identity verification method further includes: and displaying the verification result message of each finger on a terminal screen.
The embodiment of the invention provides a fingerprint input device, which comprises a memory and a processor, wherein a computer program capable of running on the processor is stored in the memory, and the processor executes the program to realize the steps in the fingerprint input method.
The embodiment of the invention provides an identity authentication device, which comprises a memory and a processor, wherein a computer program capable of running on the processor is stored in the memory, and the processor executes the program to realize the steps in the identity authentication method.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following advantages:
in an embodiment of the present invention, the fingerprint entry method includes: prompting a user to place at least two fingers on the screen; collecting fingerprints of at least two fingers placed by a user; and storing the acquired fingerprint as a fingerprint template. The terminal is through gathering a plurality of fingerprints of user in order to carry out follow-up verification simultaneously, has promoted the efficiency of fingerprint collection, simultaneously, compares in only gathering a fingerprint of user and carries out authentication, has improved the security that the user carries out operations such as unblock, payment.
Further, the verifying the acquired fingerprint comprises: selecting a fingerprint from the collected fingerprints, verifying whether the fingerprint matches one of the stored fingerprint templates; and if the first fingerprint template is matched with the fingerprint, verifying whether the other collected fingerprints are matched with other fingerprints in the fingerprint template group where the first fingerprint template is located. By verifying a plurality of fingerprints of a user based on the fingerprint template group, the overhead of a computer can be reduced, and the efficiency of fingerprint verification is improved.
Drawings
Fig. 1 is a schematic flowchart of a fingerprint entry method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of an identity recognition method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fingerprint input device according to an embodiment of the present invention; and
fig. 4 is a schematic structural diagram of an identification apparatus according to an embodiment of the present invention.
Detailed Description
In the embodiment of the present invention, the terminal capable of performing fingerprint recognition on the screen may include various types of smart devices such as a Mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), and the like.
Referring to fig. 1, fig. 1 is a schematic flowchart of a fingerprint entry method according to an embodiment of the present invention, in the embodiment shown in fig. 1, a terminal has a screen capable of performing fingerprint identification, is capable of running client software, and communicates with a server through a mobile internet.
In S11, the user is prompted to place at least two fingers on the screen.
In some embodiments, to implement a multi-fingerprint entry mechanism, the terminal needs to collect multiple fingerprints of the user. Therefore, before fingerprint collection, the terminal displays a prompt message on a screen or plays the prompt message in a voice mode, and the prompt message prompts a user that at least two fingers need to be placed on the screen of the terminal. Specifically, the prompting mode of the terminal may be in other forms, which is not limited in this embodiment of the present invention.
In S12, fingerprints of at least two fingers placed by the user are collected.
In some embodiments, in the process of fingerprint input, a user can place at least two fingers on the screen of the terminal, in the prior art, the user often can only input the fingerprint of a single finger at one time, and the efficiency of fingerprint input is low.
In some embodiments, said capturing fingerprints of said at least two fingers comprises: determining fingerprint acquisition coordinates for each of the at least two fingers placed by the user; generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and acquiring the fingerprint of each finger in the fingerprint acquisition area.
Specifically, in the fingerprint collection process, after a user places at least two fingers on the screen of the terminal, the terminal determines the fingerprint collection coordinates of each finger according to the contact surface of each finger with the screen, for example, if the user places three fingers on the screen, the terminal correspondingly determines the three fingerprint collection coordinates. In some embodiments, the fingerprint acquisition coordinates may be the center of the contact surface of the finger with the screen.
In some embodiments, the terminal generates the fingerprint collection area according to the fingerprint collection coordinates. Specifically, the terminal may generate the fingerprint collection area with the fingerprint collection coordinates as a center. For example, if the fingerprint collection coordinate is (50, 50), the coordinate range of the corresponding fingerprint collection area is an area surrounded by the coordinates (30, 30), (30, 70), (70, 30), and (70, 70). And when the three fingerprint acquisition coordinates are determined, the terminal correspondingly generates three fingerprint acquisition areas.
In some embodiments, the fingerprint of each finger is acquired within the fingerprint acquisition area. The terminal collects a fingerprint in each fingerprint collection area. Therefore, the terminal can complete the acquisition of a plurality of fingerprints at one time.
In some embodiments, the terminal may complete the collection of multiple finger fingerprints for the user after 1-2 seconds while the user places a finger on the terminal screen. In some embodiments, the terminal has a maximum acquirable number for fingerprint acquisition, which is the number of fingerprints that the terminal can acquire at most at one time. When the terminal detects that the number of fingers placed on the screen by the user reaches the maximum collectable number, the terminal can immediately perform fingerprint collection.
In S13, the captured fingerprint is stored as a fingerprint template.
In some embodiments, the storing the captured fingerprint as a fingerprint template comprises: and storing the acquired fingerprint as a fingerprint template locally and/or sending the acquired fingerprint to a cloud server. In some scenarios, such as when a user performs an unlocking operation, the fingerprint template may be stored locally at the terminal for subsequent authentication. In other scenes, the fingerprint template is sent to a server, and in the subsequent verification process, the fingerprint acquired by the terminal is also sent to the server, and the server verifies whether the fingerprint template is matched with the stored fingerprint template.
In some embodiments, the fingerprint entry method further comprises: and displaying an entry result message, wherein the entry result message comprises whether the fingerprint of the finger placed by the user is successfully acquired by the terminal.
In a specific implementation, the entered fingerprint cannot be stored as a fingerprint template due to poor clarity. And after the acquisition is finished, the terminal displays an input result message on a user screen. The entry result message includes whether the fingerprint of the finger placed by the user is successfully acquired by the terminal. Specifically, the terminal displays an entry result message corresponding to each finger fingerprint entered by the user at this time on the screen. For example, after the user places the index finger, the middle finger and the ring finger on the screen for fingerprint entry, the terminal may display on the screen that the index finger and the middle finger of the user are successfully entered and the ring finger of the user is failed to be entered.
In some embodiments, the user performs fingerprint supplementary entry according to the entry result message. And when the input result shows that the fingerprint of a certain finger of the user is not successfully acquired by the terminal, the terminal prompts the user to input the fingerprint of the finger again. If the terminal has entered at least two fingerprints of the user, the user may also choose to forgo entering more fingerprints.
In some embodiments, if the user has only placed a finger on the terminal, the user may still need to perform a supplemental entry of the fingerprint even though the terminal entered a fingerprint for the user.
In some embodiments, multiple fingerprint templates corresponding to the same user are collected and stored in the form of a fingerprint template set.
Referring to fig. 2, fig. 2 is a schematic flow chart of an identity recognition method according to an embodiment of the present invention. The identity recognition method is suitable for the terminal with the screen capable of fingerprint acquisition.
In S21, the user is prompted to place at least two fingers on the screen.
In some embodiments, the user may choose to turn on the multi-fingerprint authentication mode of the terminal. In the multi-fingerprint authentication mode, the user must enter fingerprints for at least two fingers. And the user can also choose not to start the multi-fingerprint verification mode, so that the user only needs to input the fingerprint of one finger in the identity verification process. Compared with the mode that only one fingerprint of the user is collected for identity authentication, the multi-fingerprint authentication mode improves the safety of operations such as unlocking and payment of the user.
Therefore, before fingerprint collection, the terminal displays a prompt message on the screen or plays the prompt message in a voice form, wherein the prompt message prompts the user to place at least two fingers on the screen of the terminal. Specifically, the prompting mode of the terminal may be in other forms, which is not limited in this embodiment of the present invention.
In S22, fingerprints of at least two fingers placed by the user are collected.
In some embodiments, said capturing fingerprints of said at least two fingers comprises: determining fingerprint acquisition coordinates for each of the at least two fingers placed by the user; generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and acquiring the fingerprint of each finger in the fingerprint acquisition area.
For details about S22, reference may be made to the above description about S12, which is not repeated herein.
In S23, the acquired fingerprint is verified to obtain a verification result message for each finger.
In some embodiments, the verifying the captured fingerprint may include: and carrying out fingerprint verification on the acquired fingerprint on the terminal or sending the acquired fingerprint to a server for verification. Specifically, for the storage location of the fingerprint template, the terminal may perform verification locally or send the acquired fingerprint to the server for verification.
In some embodiments, the verifying the captured fingerprint may include: selecting a fingerprint from the collected fingerprints, verifying whether the fingerprint matches one of the stored fingerprint templates; and if the first fingerprint template is matched with the fingerprint, verifying whether the other collected fingerprints are matched with other fingerprints in the fingerprint template group where the first fingerprint template is located.
In a specific implementation, a user places an index finger and a middle finger on a screen, the terminal can select the collected index finger fingerprint to be subjected to fingerprint matching firstly, and the terminal matches the index finger fingerprint with the stored fingerprint templates. And if not, matching the acquired middle finger fingerprint with the stored fingerprint templates, and displaying fingerprint verification results of the two fingers on a screen.
And if the index finger fingerprint is matched with a first fingerprint template in the plurality of stored fingerprint templates, verifying and verifying whether the acquired other fingerprints are matched with other fingerprints in the fingerprint template group where the first fingerprint template is located. By verifying a plurality of fingerprints of a user based on a fingerprint template set, fingerprint verification efficiency can be improved.
In S24, it is determined whether the user passes the authentication according to the authentication result message.
In some embodiments, if each of the captured fingerprints matches a stored fingerprint template, it is determined that the user is authenticated. Because the multi-fingerprint authentication mode requires the user to enter at least two fingerprints, the user needs to enter at least two fingerprints matching the fingerprint template to pass the authentication.
In some embodiments, after obtaining the verification result message of each finger, the identity verification method further includes: and displaying the verification result message of each finger on a terminal screen. The verification result message may include: fingerprint matching, fingerprint mismatching and fingerprint not successfully collected.
In some embodiments, the user performs fingerprint supplementary entry according to the entry result message. The verified and matched finger fingerprints may not be repeatedly entered, and only previously unmatched and unsuccessfully acquired finger fingerprints are entered.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a fingerprint input device according to an embodiment of the present invention. The fingerprint input device comprises a memory 31 and a processor 32, wherein the memory 31 stores a computer program which can run on the processor 32, and the processor 32 realizes the steps in the fingerprint input method when executing the program. The memory 31 may include: ROM, RAM, magnetic or optical disks, and the like. Please refer to the above related description related to fig. 1 for the steps of the fingerprint entry method, which is not described herein again.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an authentication apparatus according to an embodiment of the present invention. The identity authentication device comprises a memory 41 and a processor 42, wherein the memory 41 stores a computer program which can run on the processor 42, and the processor 42 realizes the steps in the identity authentication method when executing the program. The memory 41 may include: ROM, RAM, magnetic or optical disks, and the like. Please refer to the above description related to fig. 2 for the steps of the identity verification method, which is not described herein again.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (14)

1. A fingerprint input method is suitable for a terminal with a screen capable of collecting fingerprints, and is characterized in that,
the fingerprint input method comprises the following steps:
prompting a user to place at least two fingers on the screen;
collecting fingerprints of at least two fingers placed by a user; and
the acquired fingerprint is stored as a fingerprint template.
2. The fingerprint entry method of claim 1, wherein the capturing fingerprints of the at least two fingers comprises:
determining fingerprint acquisition coordinates for each of the at least two fingers placed by the user;
generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and
and acquiring the fingerprint of each finger in the fingerprint acquisition area.
3. A fingerprint entry method as claimed in claim 1 wherein a plurality of fingerprint templates corresponding to the same user are stored in the form of a set of fingerprint templates.
4. The fingerprint entry method of claim 1, wherein said storing the captured fingerprint as a fingerprint template comprises:
storing the captured fingerprint locally as a fingerprint template and/or sending the captured fingerprint to a server.
5. The fingerprint entry method of claim 1, further comprising:
and displaying an entry result message, wherein the entry result message comprises whether the fingerprint of the finger placed by the user is successfully acquired by the terminal.
6. The fingerprint entry method of claim 5, wherein the user performs fingerprint supplementary entry according to the entry result message.
7. An identity authentication method is suitable for a terminal with a screen capable of fingerprint acquisition and is characterized in that,
the identity authentication method comprises the following steps:
prompting a user to place at least two fingers on the screen;
collecting fingerprints of at least two fingers placed by a user;
verifying the collected fingerprint to obtain a verification result message of each finger; and
and judging whether the user passes the identity authentication according to the authentication result message.
8. The identity verification method of claim 7, wherein the collecting fingerprints of the at least two fingers comprises:
determining fingerprint acquisition coordinates for each finger placed by a user;
generating a fingerprint acquisition area according to the fingerprint acquisition coordinates; and
and acquiring the fingerprint of each finger in the fingerprint acquisition area.
9. The identity verification method of claim 7, wherein the verifying the captured fingerprint comprises:
selecting a fingerprint from the collected fingerprints, verifying whether the fingerprint matches one of the stored fingerprint templates; and
and if the first fingerprint template is matched with the fingerprint, verifying whether the other collected fingerprints are matched with other fingerprints in the fingerprint template group where the first fingerprint template is located.
10. The method of claim 9, wherein the determining whether the user is authenticated according to the authentication result message comprises:
and if each acquired fingerprint is matched with the stored fingerprint template, judging that the user passes the identity authentication.
11. The identity verification method of claim 7, wherein the verifying the captured fingerprint comprises:
and carrying out fingerprint verification on the acquired fingerprint on the terminal or sending the acquired fingerprint to a server for verification.
12. The authentication method according to claim 7, wherein after acquiring the authentication result message for each finger, the authentication method further comprises:
and displaying the verification result message of each finger on a terminal screen.
13. Fingerprint entry device comprising a memory and a processor, said memory having stored thereon a computer program operable on said processor, characterized in that said processor, when executing said program, carries out the steps of the fingerprint entry method according to any one of claims 1 to 6.
14. A fingerprint entry device comprising a memory and a processor, said memory having stored thereon a computer program operable on said processor, wherein said processor, when executing said program, performs the steps of the method of identity verification according to any one of claims 7 to 12.
CN201910498994.7A 2019-06-06 2019-06-06 Fingerprint input method, identity verification method and device Active CN112052711B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112633194A (en) * 2020-12-28 2021-04-09 广州绿怡信息科技有限公司 Method and device for detecting fingerprint in screen

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN103927658A (en) * 2014-04-08 2014-07-16 深圳市中兴移动通信有限公司 Mobile payment method and terminal
CN106599843A (en) * 2016-12-14 2017-04-26 信利光电股份有限公司 Fingerprint authentication method and device
CN109583320A (en) * 2018-11-08 2019-04-05 Oppo广东移动通信有限公司 Fingerprint identification method and relevant apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103927658A (en) * 2014-04-08 2014-07-16 深圳市中兴移动通信有限公司 Mobile payment method and terminal
CN106599843A (en) * 2016-12-14 2017-04-26 信利光电股份有限公司 Fingerprint authentication method and device
CN109583320A (en) * 2018-11-08 2019-04-05 Oppo广东移动通信有限公司 Fingerprint identification method and relevant apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112633194A (en) * 2020-12-28 2021-04-09 广州绿怡信息科技有限公司 Method and device for detecting fingerprint in screen

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