CN111079467B - Fingerprint identification method and device, electronic equipment and storage medium - Google Patents
Fingerprint identification method and device, electronic equipment and storage medium Download PDFInfo
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- CN111079467B CN111079467B CN201811216849.7A CN201811216849A CN111079467B CN 111079467 B CN111079467 B CN 111079467B CN 201811216849 A CN201811216849 A CN 201811216849A CN 111079467 B CN111079467 B CN 111079467B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The disclosure relates to a fingerprint identification method and device, an electronic device and a storage medium, wherein the method is applied to the electronic device and can comprise the following steps: acquiring a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area; when the fingerprint position is matched with the position recorded in a preset fingerprint library, acquiring target fingerprint information of the fingerprint to be identified; and carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result.
Description
Technical Field
The disclosure relates to the technical field of terminals, and in particular relates to a fingerprint identification method and device, electronic equipment and a storage medium.
Background
The fingerprint is a rugged line formed on the skin of the finger of the user, has the characteristics and uniqueness of being unchanged throughout the life, and can rapidly distinguish the identity information of the user. In the related art, more and more electronic devices are provided with fingerprint identification modules, so that fingerprint characteristics of a user can be collected and identified, and the identity identification function of the user is rapidly realized.
Disclosure of Invention
The disclosure provides a fingerprint identification method and device, electronic equipment and storage medium, so as to solve the defects in the related art.
According to a first aspect of embodiments of the present disclosure, a fingerprint identification method is provided and applied to an electronic device; the method comprises the following steps:
acquiring a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area;
when the fingerprint position is matched with the position recorded in a preset fingerprint library, acquiring target fingerprint information of the fingerprint to be identified;
and carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result.
Optionally, the electronic device includes a touch screen module and an off-screen fingerprint recognition module, where the off-screen fingerprint recognition module is used to collect a fingerprint located in the fingerprint detection area, and the off-screen fingerprint recognition module is in a closed state by default;
the acquiring the fingerprint position of the fingerprint to be identified detected in the fingerprint detection area comprises the following steps: detecting the fingerprint position through the touch screen module;
the collecting the target fingerprint information of the fingerprint to be identified comprises the following steps: and when the fingerprint position is matched with the position recorded in the preset fingerprint library, starting the off-screen fingerprint identification module to acquire the target fingerprint information.
Optionally, the acquiring the fingerprint position of the fingerprint to be identified detected in the fingerprint detection area includes:
when a trigger instruction for a particular operation is detected, the fingerprint position is acquired.
Optionally, the specific operation includes at least one of:
payment operation, screen unlocking, launching one or more applications, switching to a specified profile, sending an urgent message to the target object.
Optionally, the acquiring the fingerprint position of the fingerprint to be identified detected in the fingerprint detection area includes:
and determining a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region, and taking the determined sub-region as the fingerprint position.
Optionally, the preset fingerprint library includes at least one fingerprint combination recorded with a preset sequence; when the fingerprint position is matched with the position recorded in the preset fingerprint library, collecting the target fingerprint information of the fingerprint to be identified, including:
when a first fingerprint to be identified is detected, determining a target fingerprint combination, wherein the position of the first fingerprint in each fingerprint combination is matched with the position of the first fingerprint to be identified;
when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination, and other fingerprints to be identified except the first fingerprint to be identified are detected, determining whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination, and collecting fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched.
Optionally, the method further comprises:
and stopping detecting the position of the fingerprint in the fingerprint detection area when the first fingerprint to be identified is not matched with the first fingerprint of the target fingerprint combination.
According to a second aspect of embodiments of the present disclosure, there is provided a fingerprint identification device applied to an electronic apparatus; the device comprises:
an acquisition unit that acquires a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area;
the acquisition unit is used for acquiring target fingerprint information of the fingerprint to be identified when the fingerprint position is matched with the position recorded in a preset fingerprint library;
and the identification unit is used for carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result.
Optionally, the electronic device includes a touch screen module and an off-screen fingerprint recognition module, where the off-screen fingerprint recognition module is used to collect a fingerprint located in the fingerprint detection area, and the off-screen fingerprint recognition module is in a closed state by default;
the acquisition unit includes: the detection subunit is used for detecting the fingerprint position through the touch screen module;
The acquisition unit comprises: and the starting subunit is used for starting the off-screen fingerprint identification module to acquire the target fingerprint information when the fingerprint position is matched with the position recorded in the preset fingerprint library.
Optionally, the acquiring unit includes:
and the acquisition subunit acquires the fingerprint position when detecting a trigger instruction aiming at a specific operation.
Optionally, the specific operation includes at least one of:
payment operation, screen unlocking, launching one or more applications, switching to a specified profile, sending an urgent message to the target object.
Optionally, the acquiring unit includes:
and the sub-region determining sub-unit is used for determining a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region and taking the determined sub-region as the fingerprint position.
Optionally, the preset fingerprint library includes at least one fingerprint combination recorded with a preset sequence; the acquisition unit comprises:
a combination determining subunit, configured to determine, when a first fingerprint to be identified is detected, a target fingerprint combination in which a position of the first fingerprint in each fingerprint combination matches with a position of the first fingerprint to be identified;
And the acquisition subunit is used for sequentially determining whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination and other fingerprints to be identified except the first fingerprint to be identified are detected, and acquiring fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched.
Optionally, the acquisition unit further includes:
and the control subunit stops detecting the position of the fingerprint in the fingerprint detection area when the first fingerprint to be identified is not matched with the first fingerprint of the target fingerprint combination.
According to a third aspect of embodiments of the present disclosure, there is provided an electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to implement the method according to any of the above embodiments by executing the executable instructions.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method as described in any of the above embodiments.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
according to the embodiment, when the fingerprint-based authentication scheme is implemented, on one hand, the position of the collected fingerprint is combined, so that the source side can pass authentication only under the condition that the position of the fingerprint to be identified in the fingerprint detection area and the fingerprint information are correct, and the security of fingerprint identification is improved. On the other hand, the operation of collecting and identifying the fingerprint information is only implemented after the fingerprint position of the fingerprint to be identified is determined to be correct, so that the operation of collecting and identifying the fingerprint information can be avoided when the fingerprint position of the fingerprint to be identified is wrong, the frequency of the operation of collecting and identifying the fingerprint information can be effectively reduced, the power consumption of the electronic equipment is reduced, and the cruising duration of the electronic equipment is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flow chart illustrating a fingerprint recognition method according to an exemplary embodiment.
Fig. 2A is a schematic diagram of a fingerprint detection area, according to an example embodiment.
Fig. 2B is a schematic diagram of a sub-region of a fingerprint detection area, shown according to an example embodiment.
Fig. 3 is a flow chart illustrating another fingerprint identification method according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a fingerprinting according to an exemplary embodiment.
Fig. 5 is a block diagram illustrating a fingerprint recognition device according to an exemplary embodiment.
Fig. 6-10 are block diagrams illustrating another fingerprint recognition device according to an exemplary embodiment.
Fig. 11 is a schematic structural view showing an apparatus for fingerprint recognition according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
Fig. 1 is a flowchart illustrating a fingerprint identification method according to an exemplary embodiment, and as shown in fig. 1, the method is applied to an electronic device, and may include the following steps:
In step 102, a fingerprint position of a fingerprint to be identified detected within a fingerprint detection area is acquired.
In an embodiment, the fingerprint recognition scheme disclosed by the disclosure can be adopted to verify the identity of a user when the user performs a specific operation, so that the security of the specific operation is ensured. Thus, a fingerprint position in the fingerprint detection area where a fingerprint to be identified is detected can be acquired upon detection of a trigger instruction for a specific operation. Wherein the specific operation may include at least one of: payment operation, screen unlocking, launching one or more applications, switching to a specified profile (e.g., meeting profile, outdoor profile, do-not-disturb profile, etc.), sending an emergency message to the target object.
In step 104, when the fingerprint position matches with a position recorded in a preset fingerprint library, the target fingerprint information of the fingerprint to be identified is collected.
In one embodiment, a touch screen module and an off-screen fingerprint recognition module may be mounted on an electronic device, where the off-screen fingerprint recognition module forms a fingerprint detection Area in a Visual Area (VA) of the touch screen module; alternatively, the fingerprint detection area may be located anywhere else on the electronic device, which is not limiting of the present disclosure. The touch screen module is used for detecting the fingerprint position of the fingerprint to be identified (namely, the position of the user in the fingerprint detection area through the finger for touching operation), the under-screen fingerprint identification module is used for collecting the fingerprint in the fingerprint detection area, and the under-screen fingerprint identification module is in a closed state by default. It should be noted that, the under-screen fingerprint recognition module may adopt fingerprint recognition technologies such as optical fingerprint recognition and ultrasonic fingerprint recognition, which is, of course, not limited by the disclosure.
Based on the configuration of the touch screen module and the under-screen fingerprint recognition module, the fingerprint position can be detected by the touch screen module when the step 102 is implemented; and when step 104 is performed, the off-screen fingerprint identification module may be turned on to collect the target fingerprint information when the fingerprint position matches with a position recorded in a preset fingerprint library.
In an embodiment, when the area of the fingerprint detection area is large, the selectable positions may be different each time the user performs a touch operation on the fingerprint detection area. On the one hand, the position of the collected fingerprint (namely the fingerprint to be identified) is combined, so that the source side can pass identity verification only under the condition that the position of the fingerprint to be identified in the fingerprint detection area and the fingerprint information are correct, and the safety of fingerprint identification is improved. On the other hand, the operation of collecting and identifying the fingerprint information is only implemented after the fingerprint position of the fingerprint to be identified is determined to be correct (namely, the under-screen fingerprint identification module is started to collect the fingerprint information), so that the operation of collecting and identifying the fingerprint information (the under-screen fingerprint identification module is in a closed state by default) can be avoided when the fingerprint position of the fingerprint to be identified is wrong, the frequency of the operation of collecting and identifying the fingerprint information can be effectively reduced, the power consumption of the electronic equipment can be reduced, and the endurance of the electronic equipment can be improved.
In step 106, fingerprint identification is performed on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and identity verification is performed on the source side of the fingerprint to be identified according to the identification result.
In an embodiment, the fingerprint detection area may be a continuous area formed by the same fingerprint recognition module, and the area of the fingerprint detection area may accommodate multiple fingers of the user to simultaneously perform touching, so as to collect multiple fingerprints simultaneously. As shown in fig. 2A, it is assumed that the mobile phone 2 is provided with a touch screen module and an off-screen fingerprint recognition module, and the off-screen fingerprint recognition module forms a fingerprint detection area 20 (i.e., an area below a broken line in the visual area VA) in the visual area VA of the touch screen module. As can be seen from FIG. 2A, the fingerprint detection area 20 is larger and covers more than half of the area of the touch screen module. Of course, in other embodiments, the area of the fingerprint detection area 20 may be relatively smaller or relatively larger, so long as it is ensured that it is capable of detecting multiple fingerprints of a user, which the present disclosure is not limited to. By arranging the fingerprint detection area 20 in the visible area of the touch screen module, the fingerprint identification module does not need to occupy the panel side space of the mobile phone 2, so that a larger screen occupation ratio can be realized, and a comprehensive screen effect can be formed or formed approximately. Meanwhile, by arranging the fingerprint detection area 20 with a larger area, a user can implement fingerprint input in the larger area, and the operation experience of the user can be optimized. When the area of the fingerprint detection area is large, particularly when the fingerprint detection area is located in the middle area of the front panel side or the back panel side of the electronic device, a user easily touches the fingerprint detection area during holding the electronic device, so that the fingerprint detection area collects fingerprint information of the user, and accordingly misoperation of the electronic device or misoperation of certain application programs is caused. Therefore, by fingerprinting a plurality of fingerprints, rather than fingerprinting a single fingerprint, the occurrence probability of false unlocking or false opening can be greatly reduced. Of course, the fingerprint identification scheme of the present disclosure may also perform fingerprint identification (identifying fingerprint information and a location of a fingerprint) for a fingerprint to perform identity verification on a source of the fingerprint.
Based on the fingerprint detection area 20 shown in fig. 2A, although the area of the fingerprint detection area is large enough to collect a plurality of fingerprint information, the user does not have to perform a touch operation at the same time to collect fingerprint information. In one case, the fingerprint identification module may acquire all fingerprint information acquired in the fingerprint detection area within a preset period of time. Then, as long as the touch is ensured to be implemented by a plurality of fingers respectively within the preset time, the fingerprint identification module can be enabled to apply a plurality of corresponding fingerprints to one fingerprint identification operation. If the preset time period is exceeded, the fingerprints may be divided into a plurality of fingerprint recognition operations, thereby causing fingerprint recognition failure; or when the number of the collected fingerprint information in the preset time period does not reach the preset number, the collected fingerprint information can be ignored. In another case, the fingerprint recognition module may acquire a preset number of pieces of fingerprint information acquired in the fingerprint detection area. Then, the process of collecting and entering fingerprint identification can be stopped as long as the quantity of the collected fingerprint information reaches the preset quantity. The specific values of the preset number and the preset duration can be flexibly set according to actual conditions, and the disclosure is not limited to the specific values.
In an embodiment, the preset fingerprint library may include at least one fingerprint combination recorded with a preset sequence; therefore, when a plurality of fingerprints to be identified exist, when the first fingerprint to be identified is detected, determining a target fingerprint combination, of which the position of the first fingerprint in each fingerprint combination is matched with the position of the first fingerprint to be identified; and when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination, and other fingerprints to be identified except the first fingerprint to be identified are detected, sequentially determining whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination, and collecting fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched. When the first fingerprint to be identified is not matched with the first fingerprint of the target fingerprint combination, the position of the fingerprint input by the user is incorrect (namely verification fails), and the position of the fingerprint detection in the fingerprint detection area can be stopped. On the one hand, through combining the positions of a plurality of collected fingerprints and the sequence among the fingerprints, the user can pass identity verification only under the condition that the collected fingerprints, the positions of the fingerprints in the fingerprint detection area and the sequence among the fingerprints are correct, so that the safety of fingerprint identification is improved. On the other hand, fingerprint identification is performed in real time in the process of inputting a plurality of fingerprints by a user, and whether the positions of the fingerprints are correct or not is preferentially detected, so that once the user has the conditions of position errors, mismatching of the fingerprints, wrong sequence and the like in the process of inputting the plurality of fingerprints, verification failure can be determined, the user can be notified of fingerprint errors (without waiting until the user inputs all the fingerprints of the preset quantity), and in fact, the user can quickly re-implement fingerprint input under the condition that the user is authorized to input the fingerprints in error due to mistouching, thereby improving the efficiency of identity verification of the user.
While for the determination of the position, as shown in fig. 2B, the fingerprint detection area 20 may be divided into a plurality of sub-areas in advance. Then, when the acquired fingerprint is located within any one of the sub-regions, the position of the acquired fingerprint can be defined using the any one of the sub-regions. As an exemplary embodiment, a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region may be determined, and the determined sub-region may be used as the fingerprint position. For example, the fingerprint detection area 20 may be divided into 9 sub-areas numbered 1-9. For example, a user inputs a fingerprint by touching sub-region 2 with a finger, then the location of the input fingerprint is sub-region 2 (the location of the fingerprint can be detected by the touch screen module). Of course, the number and shape of the sub-regions of the fingerprint detection area 20 may be flexibly set according to the actual situation, and the present disclosure is not limited thereto.
For ease of understanding, the fingerprint recognition scheme of the present disclosure is described in detail below with reference to examples and figures.
Referring to fig. 3, fig. 3 is a flowchart illustrating another fingerprint recognition method according to an exemplary embodiment. As shown in fig. 3, the method applied to the electronic device may include the following steps:
In step 302, a payment triggering instruction is detected.
In step 304, the location of the first fingerprint is acquired.
In an embodiment, a touch screen module and an off-screen fingerprint recognition module are configured on an electronic device, and the off-screen fingerprint recognition module forms a fingerprint detection area in a visible area of the touch screen module. The touch screen module is used for detecting the fingerprint position of the fingerprint to be identified (namely, the position of the user performing touch operation in the fingerprint detection area through the finger), the under-screen fingerprint identification module is used for collecting the fingerprint in the fingerprint detection area, and the under-screen fingerprint identification module is in a closed state by default. The touch screen module works in a low-frequency scanning state when detecting the fingerprint position, so that compared with the fingerprint acquisition of the under-screen fingerprint identification module, the power consumption of the touch screen module is lower. It should be noted that, the under-screen fingerprint recognition module may adopt fingerprint recognition technologies such as optical fingerprint recognition and ultrasonic fingerprint recognition, which is, of course, not limited by the disclosure.
In an embodiment, the electronic device may acquire a fingerprint position of the fingerprint to be identified detected within the fingerprint detection area when detecting a payment trigger instruction for a payment operation. For example, upon detection of a payment trigger instruction, the fingerprint location may be detected by the touch screen module.
In step 306, a target fingerprint combination is found where the location of the first fingerprint matches the location of the acquired first fingerprint.
In one embodiment, the fingerprint information and the positions of the fingerprints recorded by the fingerprint combination are derived from standard fingerprints which are input by an authorized user through an on-screen fingerprint identification module in advance. In the process of inputting standard fingerprints, the under-screen fingerprint identification module can record fingerprint information of the standard fingerprints, and the touch screen module can record positions of the standard fingerprints, so that fingerprint combinations are established. Based on fingerprint combination record has fingerprint information and corresponding position, the fingerprint identification scheme of this disclosure needs the user to input fingerprint information in the appointed region (appointed position) of fingerprint detection region for illegal user need acquire authorized user's standard fingerprint and corresponding position (only can the user pass identity verification under the condition that fingerprint and this fingerprint's position are all correct that gathers), thereby promoted illegal user's implementation degree of difficulty and cost, helped promote the security guarantee to authorized user. Furthermore, when the authorized user inputs standard fingerprints through the on-screen fingerprint identification module in advance, a plurality of standard fingerprints can be input. Then, the under-screen fingerprint recognition module can record fingerprint information of each standard fingerprint, and the touch screen module can record positions of each standard fingerprint and sequences of each standard fingerprint, so that fingerprint combinations are established. In other words, in this case, the user needs to sequentially input fingerprint information in the designated area (i.e., the designated position) of the fingerprint detection area to pass the authentication (i.e., the user can pass the authentication only if the fingerprint information of the fingerprint, the position of the fingerprint and the sequence of the fingerprints are all correct, which are acquired by the fingerprint identification module), and even if the illegal user acquires the fingerprint of the authorized user, if the position or sequence of the input fingerprint is wrong, the authentication still cannot be passed, thereby improving the implementation difficulty and cost of the illegal user, improving the security of the operations requiring the authentication, such as payment, and helping to promote the security guarantee for the authorized user. Of course, the dimension of the order, i.e. the fingerprint and the position of the fingerprint are matched, can pass verification without consideration, and the disclosure is not limited thereto.
In an embodiment, for the case that an authorized user inputs a plurality of standard fingerprints through the on-screen fingerprint identification module, fingerprint identification can be performed in real time in the process of collecting a plurality of fingerprint information, that is, fingerprint identification can be performed in real time in the process that the user performs a plurality of touch operations in the fingerprint detection area to input a plurality of fingerprints. By carrying out fingerprint identification in real time in the process of inputting a plurality of fingerprints by a user, once the user has the conditions of mismatching, wrong position, wrong sequence and the like in the process of inputting a plurality of fingerprints (the quantity of fingerprints input by the user may not reach the preset quantity at the moment), verification failure can be determined, so that the user can be informed of the misfingerprint, and the user can quickly re-implement fingerprint input under the condition that the user is authorized but the misfingerprint is input due to mistouch in practice, thereby improving the efficiency of identity verification of the user.
In step 308, if the target fingerprint combination is found, then step 310 is entered, otherwise step 322 is entered.
In step 310, if the first fingerprint recorded in the target fingerprint combination matches the first fingerprint collected, the process proceeds to step 312, otherwise, the process proceeds to step 322.
In an embodiment, the fingerprint position of the fingerprint to be identified is determined to be correct preferentially, and the under-screen fingerprint identification module (which is in a closing state by default) is started to identify the fingerprint to be identified under the condition that the fingerprint position is correct, so that the operation of starting the under-screen fingerprint identification module to conduct fingerprint identification when the fingerprint position of the fingerprint to be identified is wrong can be effectively avoided, the frequency of collecting and identifying fingerprint information by the under-screen fingerprint identification module is effectively reduced, the power consumption of the electronic equipment is reduced, and the endurance of the electronic equipment is improved.
In step 312, the locations of other fingerprints than the first fingerprint are detected.
In step 314, if there is a match with the location of the recorded fingerprint in the corresponding sequence in the target fingerprint combination, then step 316 is entered, otherwise step 322 is entered.
In step 316, if there is a match with the fingerprint information of the fingerprints recorded in the corresponding sequence in the target fingerprint combination, the process proceeds to step 318, otherwise, the process proceeds to step 322.
In one embodiment, similarly, a determination is made as to whether the other fingerprint is correctly located before it is identified. When the positions of the other fingerprints are wrong, the identity authentication failure can be directly judged without opening the on-screen fingerprint identification module. And just start the fingerprint identification module under screen (defaults to be in the closed state) and carry out fingerprint identification when the position of other fingerprints is correct, can effectively avoid also opening the operation that the fingerprint identification module under screen carries out fingerprint identification when waiting to discern the fingerprint (in this embodiment is this other fingerprints) fingerprint position mistake to effectively reduce the frequency that the fingerprint identification module under screen gathered and discerned fingerprint information, help reducing electronic equipment's consumption, improve electronic equipment's duration.
In step 318, if all the fingerprints recorded in the target fingerprint combination have been matched, the process proceeds to step 320, otherwise, the process returns to step 312.
In step 320, a payment operation is performed.
In step 322, a determination is made that the verification failed.
In one embodiment, after determining that authentication fails, a corresponding notification message may be displayed to inform the user of the authentication failure.
For example, assume that the fingerprint combinations pre-entered by the authorized user of the handset 2 are shown in table 1:
TABLE 1
As shown in fig. 4, the off-screen fingerprint recognition module sequentially captures a fingerprint 201 in sub-area 2, a fingerprint 202 in sub-area 5, and a fingerprint 202 in sub-area 7. Assuming that fingerprint 201 matches standard fingerprint a, fingerprint 202 matches standard fingerprint B. Then, fingerprint combination 1 is found by steps 304-308, and after determining that the first fingerprint (standard fingerprint a) recorded by fingerprint combination 1 matches fingerprint 201, steps 312-318 are performed twice in a loop to determine that the fingerprint identification operation of the user is verified.
Corresponding to the foregoing embodiments of the fingerprint identification method, the present disclosure further provides embodiments of the fingerprint identification apparatus.
Fig. 5 is a block diagram illustrating a fingerprint recognition device according to an exemplary embodiment. Referring to fig. 5, the apparatus is applied to an electronic device, and may include:
An acquisition unit 51 configured to acquire a fingerprint position of a fingerprint to be identified detected within the fingerprint detection area;
a collecting unit 52 configured to collect target fingerprint information of the fingerprint to be identified when the fingerprint position matches a position recorded in a preset fingerprint library;
the identifying unit 53 is configured to perform fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint database, and perform identity verification on the source party of the fingerprint to be identified according to the identification result.
As shown in fig. 6, fig. 6 is a block diagram of another fingerprint recognition device according to an exemplary embodiment, where, based on the foregoing embodiment shown in fig. 5, the electronic device includes a touch screen module and an off-screen fingerprint recognition module, where the off-screen fingerprint recognition module is used to collect a fingerprint located in the fingerprint detection area, and the off-screen fingerprint recognition module is in a closed state by default;
the acquisition unit 51 includes: a detection subunit 511 configured to detect the fingerprint position through the touch screen module;
the acquisition unit 52 includes: the starting subunit 521 is configured to start the off-screen fingerprint identification module to collect the target fingerprint information when the fingerprint position matches with a position recorded in a preset fingerprint database.
As shown in fig. 7, fig. 7 is a block diagram of another fingerprint recognition device according to an exemplary embodiment, which is based on the embodiment shown in fig. 5 described above, the acquisition unit 51 includes:
an acquisition subunit 512 configured to acquire the fingerprint position when a trigger instruction for a specific operation is detected.
Optionally, the specific operation includes at least one of:
payment operation, screen unlocking, launching one or more applications, switching to a specified profile, sending an urgent message to the target object.
It should be noted that the configuration of the acquisition subunit 512 in the embodiment of the apparatus shown in fig. 7 may also be included in the embodiment of the apparatus shown in fig. 6, which is not limited to this disclosure.
As shown in fig. 8, fig. 8 is a block diagram of another fingerprint recognition device according to an exemplary embodiment, which is based on the embodiment shown in fig. 5 described above, the acquisition unit 51 includes:
a sub-region determining sub-unit 513 configured to determine a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region, and take the determined sub-region as the fingerprint position.
It should be noted that the structure of the sub-region determination subunit 513 in the apparatus embodiment shown in fig. 8 may also be included in the apparatus embodiments of fig. 6 to 7, which is not a limitation of the present disclosure.
As shown in fig. 9, fig. 9 is a block diagram of another fingerprint recognition device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 5, in which the preset fingerprint library includes at least one fingerprint combination recorded with a preset sequence; the acquisition unit 52 includes:
a combination determination subunit 522 configured to determine, when a first fingerprint to be identified is detected, a target fingerprint combination in which the position of the first fingerprint in each fingerprint combination matches the position of the first fingerprint to be identified;
and the collecting subunit 523 is configured to, when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination and other fingerprints to be identified except the first fingerprint to be identified are detected, sequentially determine whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination, and collect fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched.
It should be noted that the structure of the combination determining subunit 521 and the collecting subunit 522 in the embodiment of the apparatus shown in fig. 9 may also be included in the embodiment of the apparatus shown in fig. 6-8, which is not limited to this disclosure.
As shown in fig. 10, fig. 10 is a block diagram of another fingerprint recognition device according to an exemplary embodiment, which is based on the embodiment shown in fig. 9, the acquisition unit 52 further includes:
a control subunit 524 is configured to stop detecting a position of a fingerprint within the fingerprint detection area when the first fingerprint to be identified does not match the first fingerprint of the target fingerprint combination.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
For the device embodiments, reference is made to the description of the method embodiments for the relevant points, since they essentially correspond to the method embodiments. The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the objectives of the disclosed solution. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Correspondingly, the present disclosure also provides a fingerprint identification device, including: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to implement a fingerprint identification method as described in any of the above embodiments, for example the method may comprise: acquiring a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area; when the fingerprint position is matched with the position recorded in a preset fingerprint library, acquiring target fingerprint information of the fingerprint to be identified; and carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result.
Accordingly, the present disclosure also provides a terminal including a memory, and one or more programs, where the one or more programs are stored in the memory, and configured to be executed by the one or more processors, where the one or more programs include instructions for implementing the fingerprint identification method according to any of the foregoing embodiments, for example, the method may include: acquiring a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area; when the fingerprint position is matched with the position recorded in a preset fingerprint library, acquiring target fingerprint information of the fingerprint to be identified; and carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result.
Fig. 11 is a block diagram illustrating an apparatus 1100 for fingerprint identification, according to an example embodiment. For example, apparatus 1100 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 11, apparatus 1100 may include one or more of the following components: a processing component 1102, a memory 1104, a power component 1106, a multimedia component 1108, an audio component 1110, an input/output (I/O) interface 1112, a sensor component 1114, and a communication component 1116.
The processing component 1102 generally controls overall operation of the apparatus 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 1102 may include one or more processors 1120 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 1102 can include one or more modules that facilitate interactions between the processing component 1102 and other components. For example, the processing component 1102 may include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
Memory 1104 is configured to store various types of data to support operations at apparatus 1100. Examples of such data include instructions for any application or method operating on the device 1100, contact data, phonebook data, messages, pictures, videos, and the like. The memory 1104 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power supply component 1106 provides power to the various components of the device 1100. The power supply component 1106 can include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 1100.
Multimedia component 1108 includes a screen between the device 1100 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen module to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, multimedia component 1108 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the apparatus 1100 is in an operational mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 1110 is configured to output and/or input an audio signal. For example, the audio component 1110 includes a Microphone (MIC) configured to receive external audio signals when the device 1100 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 1104 or transmitted via the communication component 1116. In some embodiments, the audio component 1110 further comprises a speaker for outputting audio signals.
The I/O interface 1112 provides an interface between the processing component 1102 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 1114 includes one or more sensors for providing status assessment of various aspects of the apparatus 1100. For example, the sensor assembly 1114 may detect the on/off state of the device 1100, the relative positioning of the components, such as the display and keypad of the device 1100, the sensor assembly 1114 may also detect a change in position of the device 1100 or a component of the device 1100, the presence or absence of user contact with the device 1100, the orientation or acceleration/deceleration of the device 1100, and a change in temperature of the device 1100. The sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. The sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1114 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1116 is configured to facilitate communication between the apparatus 1100 and other devices in a wired or wireless manner. The device 1100 may access a wireless network based on a communication standard, such as WiFi,2G, or 3G, or a combination thereof. In one exemplary embodiment, the communication component 1116 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 1116 further includes a Near Field Communication (NFC) module to facilitate short range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1100 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as a memory 1104 including instructions executable by the processor 1120 of the apparatus 1100 to perform the fingerprint identification method described above. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (14)
1. The fingerprint identification method is characterized by being applied to electronic equipment; the method comprises the following steps:
acquiring a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area;
when the fingerprint position is matched with the position recorded in a preset fingerprint library, acquiring target fingerprint information of the fingerprint to be identified;
fingerprint identification is carried out on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and the identity of the source party of the fingerprint to be identified is verified according to the identification result;
The preset fingerprint library comprises at least one fingerprint combination recorded with a preset sequence; when the fingerprint position is matched with the position recorded in the preset fingerprint library, collecting the target fingerprint information of the fingerprint to be identified, including:
when a first fingerprint to be identified is detected, determining a target fingerprint combination, wherein the position of the first fingerprint in each fingerprint combination is matched with the position of the first fingerprint to be identified;
stopping detecting the position of the fingerprint in the fingerprint detection area when the first fingerprint to be identified is not matched with the first fingerprint of the target fingerprint combination;
the electronic equipment is provided with a touch screen module and an off-screen fingerprint identification module, and the off-screen fingerprint identification module forms a fingerprint detection area in a visible area of the touch screen module; alternatively, the fingerprint detection area is located anywhere else on the electronic device.
2. The method of claim 1, wherein the electronic device comprises a touch screen module and an off-screen fingerprint recognition module, the off-screen fingerprint recognition module is configured to collect a fingerprint located in the fingerprint detection area, and the off-screen fingerprint recognition module is in an off state by default;
The acquiring the fingerprint position of the fingerprint to be identified detected in the fingerprint detection area comprises the following steps: detecting the fingerprint position through the touch screen module;
the collecting the target fingerprint information of the fingerprint to be identified comprises the following steps: and when the fingerprint position is matched with the position recorded in the preset fingerprint library, starting the off-screen fingerprint identification module to acquire the target fingerprint information.
3. The method of claim 1, wherein the acquiring the fingerprint location of the fingerprint to be identified detected within the fingerprint detection area comprises:
when a trigger instruction for a particular operation is detected, the fingerprint position is acquired.
4. A method according to claim 3, wherein the specific operation comprises at least one of:
payment operation, screen unlocking, launching one or more applications, switching to a specified profile, sending an urgent message to the target object.
5. The method of claim 1, wherein the acquiring the fingerprint location of the fingerprint to be identified detected within the fingerprint detection area comprises:
and determining a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region, and taking the determined sub-region as the fingerprint position.
6. The method according to claim 1, wherein the preset fingerprint library comprises at least one fingerprint combination recorded with a preset sequence; when the fingerprint position is matched with the position recorded in the preset fingerprint library, collecting the target fingerprint information of the fingerprint to be identified, including:
when a first fingerprint to be identified is detected, determining a target fingerprint combination, wherein the position of the first fingerprint in each fingerprint combination is matched with the position of the first fingerprint to be identified;
when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination, and other fingerprints to be identified except the first fingerprint to be identified are detected, determining whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination, and collecting fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched.
7. A fingerprint identification device, which is characterized by being applied to electronic equipment; the device comprises:
an acquisition unit that acquires a fingerprint position of a fingerprint to be identified detected in a fingerprint detection area;
the acquisition unit is used for acquiring target fingerprint information of the fingerprint to be identified when the fingerprint position is matched with the position recorded in a preset fingerprint library;
The identification unit is used for carrying out fingerprint identification on the target fingerprint information according to the fingerprint information corresponding to the fingerprint position in the fingerprint library, and carrying out identity verification on the source side of the fingerprint to be identified according to the identification result;
the preset fingerprint library comprises at least one fingerprint combination recorded with a preset sequence; the acquisition unit comprises:
a combination determining subunit, configured to determine, when a first fingerprint to be identified is detected, a target fingerprint combination in which a position of the first fingerprint in each fingerprint combination matches with a position of the first fingerprint to be identified;
a control subunit, configured to stop detecting a position of a fingerprint in the fingerprint detection area when the first fingerprint to be identified is not matched with the first fingerprint of the target fingerprint combination;
the electronic equipment is provided with a touch screen module and an off-screen fingerprint identification module, and the off-screen fingerprint identification module forms a fingerprint detection area in a visible area of the touch screen module; alternatively, the fingerprint detection area is located anywhere else on the electronic device.
8. The apparatus of claim 7, wherein the electronic device comprises a touch screen module and an off-screen fingerprint recognition module, the off-screen fingerprint recognition module is configured to collect a fingerprint located in the fingerprint detection area, and the off-screen fingerprint recognition module is in an off state by default;
The acquisition unit includes: the detection subunit is used for detecting the fingerprint position through the touch screen module;
the acquisition unit comprises: and the starting subunit is used for starting the off-screen fingerprint identification module to acquire the target fingerprint information when the fingerprint position is matched with the position recorded in the preset fingerprint library.
9. The apparatus of claim 7, wherein the acquisition unit comprises:
and the acquisition subunit acquires the fingerprint position when detecting a trigger instruction aiming at a specific operation.
10. The apparatus of claim 9, wherein the particular operation comprises at least one of:
payment operation, screen unlocking, launching one or more applications, switching to a specified profile, sending an urgent message to the target object.
11. The apparatus of claim 7, wherein the acquisition unit comprises:
and the sub-region determining sub-unit is used for determining a sub-region corresponding to the fingerprint to be identified in the fingerprint detection region and taking the determined sub-region as the fingerprint position.
12. The apparatus of claim 7, wherein the library of pre-determined fingerprints comprises at least one fingerprint combination recorded with a pre-determined order; the acquisition unit comprises:
A combination determining subunit, configured to determine, when a first fingerprint to be identified is detected, a target fingerprint combination in which a position of the first fingerprint in each fingerprint combination matches with a position of the first fingerprint to be identified;
and the acquisition subunit is used for sequentially determining whether the positions of the other fingerprints to be identified are matched according to the sequence of the fingerprints recorded by the target fingerprint combination when the first fingerprint to be identified is matched with the first fingerprint of the target fingerprint combination and other fingerprints to be identified except the first fingerprint to be identified are detected, and acquiring fingerprint information of the other fingerprints to be identified when the positions of the other fingerprints to be identified are matched.
13. An electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to implement the method of any of claims 1-6 by executing the executable instructions.
14. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method according to any of claims 1-6.
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