CN110929551A - Fingerprint identification method and device, electronic device, storage medium - Google Patents
Fingerprint identification method and device, electronic device, storage medium Download PDFInfo
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- CN110929551A CN110929551A CN201811102842.2A CN201811102842A CN110929551A CN 110929551 A CN110929551 A CN 110929551A CN 201811102842 A CN201811102842 A CN 201811102842A CN 110929551 A CN110929551 A CN 110929551A
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- 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
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Abstract
本公开是关于一种指纹识别方法及装置、电子设备、存储介质，该方法可以包括：获取指纹检测区域内采集到的指纹信息；当所述指纹信息包括预设数量的多个指纹时，分别根据各个指纹对应的手指方向，确定匹配于所述手指方向的指纹库数据，以对相应的指纹进行指纹识别；根据针对所述多个指纹的指纹识别结果，对所述多个指纹的来源方进行身份验证。
The present disclosure relates to a fingerprint identification method and device, an electronic device, and a storage medium. The method may include: acquiring fingerprint information collected in a fingerprint detection area; when the fingerprint information includes a preset number of fingerprints, separately According to the finger direction corresponding to each fingerprint, determine the fingerprint database data matching the finger direction, so as to perform fingerprint identification on the corresponding fingerprint; according to the fingerprint identification results for the multiple fingerprints, determine the source of the multiple fingerprints Authenticate.
Description
Technical Field
The present disclosure relates to the field of fingerprint identification technologies, and in particular, to a fingerprint identification method and apparatus, an electronic device, and a storage medium.
Background
The fingerprint refers to uneven lines formed on the skin of the finger of the user, has the characteristics and uniqueness of being unchanged for life, and can quickly distinguish the identity information of the user. In the correlation technique, assembled the fingerprint identification module on more and more electronic equipment, can gather and discern user's fingerprint characteristic to realize the identity recognition function to the user fast.
Disclosure of Invention
The present disclosure provides a fingerprint identification method and apparatus, an electronic device, and a storage medium to solve the deficiencies in the related art.
According to a first aspect of the embodiments of the present disclosure, there is provided a fingerprint identification method, including:
acquiring fingerprint information acquired in a fingerprint detection area;
when the fingerprint information comprises a plurality of fingerprints in a preset number, determining fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively so as to perform fingerprint identification on the corresponding fingerprint;
and according to the fingerprint identification results aiming at the fingerprints, carrying out identity verification on the source side of the fingerprints.
Optionally, the acquiring of the fingerprint information collected in the fingerprint detection area includes:
and acquiring all fingerprints collected in the fingerprint detection area within a preset time length to serve as fingerprint information.
Optionally, the plurality of fingerprints are detected at different locations within the fingerprint detection area.
Optionally, the positions of the plurality of fingerprints are respectively located in a preset number of sub-areas formed by dividing the fingerprint detection area.
Optionally, the method further includes:
and when the number of the fingerprints contained in the fingerprint information is smaller than the preset number or is inconsistent with the preset number, ignoring the fingerprint information.
Optionally, the method further includes:
determining a direction discrimination reference;
and determining the finger direction corresponding to each fingerprint according to the direction discrimination reference.
Optionally, the method further includes:
determining an equipment holding mode adopted by a user at a source side of the fingerprint information;
wherein the direction determination criterion is related to the device holding manner.
Optionally, the method further includes:
determining a preset fingerprint combination matched with the plurality of fingerprints according to the fingerprint identification result;
and triggering the preset operation corresponding to the preset fingerprint combination.
Optionally, the preset operation includes at least one of:
unlocking a screen, starting one or more application programs, switching to a specified contextual model, and sending an emergency message to a target object.
According to a second aspect of the embodiments of the present disclosure, there is provided a fingerprint identification device, including:
the acquisition unit is configured to acquire fingerprint information acquired in a fingerprint detection area;
the data determining unit is configured to determine fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively to perform fingerprint identification on the corresponding fingerprint when the fingerprint information comprises a plurality of fingerprints in a preset number;
a verification unit configured to verify the identity of a source of the plurality of fingerprints according to the fingerprint identification results for the plurality of fingerprints.
Optionally, the obtaining unit is specifically configured to:
and acquiring all fingerprints collected in the fingerprint detection area within a preset time length to serve as fingerprint information.
Optionally, the plurality of fingerprints are detected at different locations within the fingerprint detection area.
Optionally, the positions of the plurality of fingerprints are respectively located in a preset number of sub-areas formed by dividing the fingerprint detection area.
Optionally, the method further includes:
and the processing unit is configured to ignore the fingerprint information when the number of the fingerprints contained in the fingerprint information is smaller than the preset number or is inconsistent with the preset number.
Optionally, the method further includes:
a reference determination unit that determines a direction determination reference;
and the direction determining unit is used for determining the finger direction corresponding to each fingerprint according to the direction judging reference.
Optionally, the method further includes:
a mode determination unit configured to determine a device holding mode adopted by a source user of the fingerprint information;
wherein the direction determination criterion is related to the device holding manner.
Optionally, the method further includes:
a combination determination unit configured to determine a preset fingerprint combination matched with the plurality of fingerprints according to the fingerprint identification result;
and the triggering unit is configured to trigger a preset operation corresponding to the preset fingerprint combination.
Optionally, the preset operation includes at least one of:
unlocking a screen, starting one or more application programs, switching to a specified contextual model, and sending an emergency message to a target object.
According to a third aspect of the embodiments of the present disclosure, there is provided an electronic apparatus including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor implements the method of any one of claims 1-9 by executing the executable instructions.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions, wherein the instructions, when executed by a processor, implement the steps of the method as in any one of the above embodiments.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the embodiment, when the identity authentication scheme based on the plurality of fingerprints is implemented, the fingerprint direction corresponding to each fingerprint is determined, so that each fingerprint only needs to be compared with partial fingerprint database data matched with the fingerprint direction, and does not need to be compared with all fingerprint database data, the fingerprint identification efficiency can be improved, and the response speed to user operation can be accelerated.
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 present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a flow chart illustrating a method of fingerprinting in accordance with an exemplary embodiment.
FIG. 2 is a flow chart illustrating another method of fingerprinting in accordance with an exemplary embodiment.
FIG. 3 is a diagram illustrating a fingerprinting according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a division of a fingerprint detection area according to an exemplary embodiment.
FIG. 5 is a schematic diagram illustrating an entry criteria fingerprint according to an exemplary embodiment.
FIG. 6 is a schematic illustration of finger orientation determination in a forward grip state, shown in accordance with an exemplary embodiment.
FIG. 7 is a diagram illustrating finger orientation determination in a reverse grip state according to an exemplary embodiment.
FIG. 8 is a schematic illustration of finger orientation determination in a side-grip state, according to an exemplary embodiment.
Fig. 9-13 are block diagrams illustrating a fingerprint recognition device according to an exemplary embodiment.
Fig. 14 is a schematic diagram illustrating a structure of an apparatus for fingerprint recognition according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended 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 application 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 and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to 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 present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Fig. 1 is a flowchart illustrating a fingerprint identification method according to an exemplary embodiment, and the method, as shown in fig. 1, applied to an electronic device may include the following steps:
in step 102, fingerprint information collected in a fingerprint detection area is acquired.
In an embodiment, be equipped with the fingerprint identification module on the electronic equipment, this fingerprint identification module forms fingerprint detection area on electronic equipment to be used for gathering fingerprint information, implementing fingerprint identification, and then realize the authentication to the user.
In an embodiment, the fingerprint detection area can be a continuous area formed by the same fingerprint identification module, and the area of the fingerprint detection area can accommodate a plurality of fingers of a user to simultaneously implement touch, so that a plurality of fingerprints can be acquired simultaneously.
In an embodiment, although the area in fingerprint detection area is big enough, can hold a plurality of fingers of user and implement the touch simultaneously, the user does not necessarily implement touch operation simultaneously, for example fingerprint identification module can acquire within the predetermined duration all fingerprints of gathering in the fingerprint detection area, in order to be regarded as fingerprint information. Then, as long as it is ensured that the touch is respectively performed by the plurality of fingers within the preset time length, the fingerprint identification module can apply the corresponding plurality of fingerprints to one fingerprint identification operation; if the preset time length is exceeded, the fingerprints may be divided into multiple fingerprint identification operations, thereby causing fingerprint identification failure.
In an embodiment, the fingerprint identification module may be a sub-screen fingerprint identification module, such that the fingerprint detection Area is formed in a Visible Area (VA) of a display screen of the electronic device. Alternatively, the fingerprint detection area may be located anywhere else on the electronic device, which is not limited by this disclosure.
In step 104, when the fingerprint information includes a plurality of fingerprints in a preset number, determining fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint, so as to perform fingerprint identification on the corresponding fingerprint.
In an embodiment, when the area of the fingerprint detection area is large, especially when the fingerprint detection area is located in a middle area of a panel side or a back panel side of the electronic device, a finger of a user is easy to touch the fingerprint detection area during holding the electronic device, so that the fingerprint detection area collects fingerprint information of the user, and the electronic device is unlocked by mistake or some application programs are opened by mistake. Therefore, by performing fingerprint recognition on a plurality of fingerprints, rather than performing fingerprint recognition on a single fingerprint, the occurrence probability of false unlocking or false opening can be greatly reduced.
In an embodiment, fingerprint storehouse data derives from the standard fingerprint that authorized user entered through the fingerprint identification module in advance, compares through fingerprint and this fingerprint storehouse data with gathering in the fingerprint detection area, can confirm whether the fingerprint of gathering belongs to authorized user. In the process of inputting the standard fingerprints, the fingerprint identification module can record the finger direction corresponding to each standard fingerprint; in other words, the fingerprint identification process in the present disclosure not only needs to consider matching between fingerprints, but also increases consideration on the dimension of the direction of the fingerprint, so that: on the one hand, fingerprint identification can be carried out on the collected fingerprint only through fingerprint database data matched with the finger direction, for example, when the finger direction corresponding to the collected fingerprint is towards the left, only the fingerprint database data corresponding to the standard fingerprint with the finger direction towards the left is required to be applied to the fingerprint identification process, and the fingerprint database data corresponding to the standard fingerprint with the finger direction towards the right is not required to be applied to the fingerprint identification process, the fingerprint identification efficiency can be accelerated, on the other hand, the finger direction can be used as a newly-increased dimension of identity verification, so that an illegal user can still pass through verification even if the fingerprint of an authorized user is obtained, and the safety of the fingerprint verification is improved.
In one embodiment, the finger direction can conform to the normal use habit of the user, so that no matter the authorized user inputs the standard fingerprint or the user to be verified performs fingerprint identification in the fingerprint detection area, the finger direction does not need to be controlled subjectively, and only the operation is performed according to the normal use habit. Such as when the user touches with the right thumb, the finger direction tends to be left, and such as when the user touches with the left thumb, the finger direction tends to be right.
In one embodiment, the finger direction can be set by the user deliberately, regardless of normal usage habits. For example, when the authorized user inputs the thumb of the right hand, the finger direction can be set to face right intentionally, and the finger direction is different from the direction facing left under the normal use habit, so that the difficulty of passing the verification by the illegal user is improved, and the security of fingerprint verification is improved.
In an embodiment, the fingerprint identification module may determine a direction determination reference, and determine the finger direction corresponding to each fingerprint according to the direction determination reference. In the normal use process of the electronic device, the bottom of the front of the electronic device is generally used as the lower part, the top is used as the upper part, the left side is used as the left side, and the right side is used as the right side; in one case, the direction determination criterion may be consistent with the above direction, and then when the fingerprint points from the lower left corner to the upper right corner of the front of the electronic device, the corresponding finger direction may be towards the right; in another case, the direction determination criterion may be different from the direction, for example, the original lower direction is changed to the right direction, the original upper direction is changed to the left direction, the original left direction is changed to the lower direction, and the original right direction is changed to the upper direction, so that the finger direction corresponding to the fingerprint is determined to be toward the left direction under the new direction determination criterion.
In one embodiment, the direction determination criterion may be fixed. In another embodiment, the direction discrimination criterion may be dynamic to adapt to the operation of the user in different scenes; for example, the holding mode of the device adopted by the user at the source of the fingerprint information can be determined; wherein the direction determination criterion may be related to the device holding manner. For example, based on the spatial posture information of the electronic device, the device holding manner, such as forward holding, backward holding, lateral holding, etc., adopted by the user for the electronic device may be determined; for example, when using a forward grip, the selected direction determination criteria may be: taking the bottom of the front face of the electronic equipment as the lower part, the top as the upper part, the left side as the left side and the right side as the right side; for another example, when the reverse grip is adopted, the selected direction determination criterion may be: the bottom of the front of the electronic device is used as the upper part, the top is used as the lower part, the left side is used as the right side, and the right side is used as the left side. By adopting different direction judgment standards, the user can accurately identify the finger direction corresponding to the fingerprint no matter what equipment holding mode is adopted, and therefore the corresponding fingerprint database data can be selected based on the finger direction.
In an embodiment, a plurality of fingerprints are in different positions in the fingerprint detection region are detected, for example when the area of fingerprint detection region is big enough, the user can place a plurality of fingers in the fingerprint detection region simultaneously to detect a corresponding plurality of fingerprints simultaneously by the fingerprint identification module. Of course, the fingerprint detection area in other embodiments does not necessarily have a large enough area, and then the user can form the touch with a plurality of fingers in proper order in the same position of fingerprint detection area for the fingerprint identification module can gather in proper order and obtain a plurality of corresponding fingerprints.
In an embodiment, the plurality of fingerprints may be located in a preset number of sub-areas formed by dividing the fingerprint detection area. When the user actively carries out fingerprint identification, the user can clearly know the positions of the sub-regions, so that the user can accurately place the fingers at the sub-regions respectively to carry out fingerprint detection and identification; when the finger of the user inadvertently touches the fingerprint detection area, particularly in the case where a plurality of sub-areas are involved, it is almost impossible to accurately place the plurality of fingers at the respective sub-areas, and thus the occurrence probability of erroneous unlocking or erroneous opening can be further reduced.
In an embodiment, when the number of fingerprints included in the fingerprint information is smaller than the preset number or is inconsistent with the preset number, the fingerprint information may be ignored without identifying the fingerprints in the fingerprint information, and unnecessary performance and energy consumption overhead may be reduced.
In an embodiment, when detecting a fingerprint, fingerprint identification can be implemented to the fingerprint identification module, and need not to identify respectively to a plurality of fingerprints in this fingerprint information after confirming to detect the above-mentioned fingerprint information that contains a plurality of fingerprints, can promote the response speed to user operation.
In step 106, the source of the fingerprints is authenticated according to the fingerprint identification results of the fingerprints.
In one embodiment, when the fingerprint identification result indicates that the plurality of fingerprints all belong to the authorized user, it may be determined that the source of the plurality of fingerprints is the authorized user, i.e., the identity of the source is verified. When the fingerprint identification result indicates that at least one of the plurality of fingerprints does not belong to the authorized user, it may be determined that the source of the plurality of fingerprints is not the authorized user. Therefore, the multiple fingerprints are adopted for identity authentication, so that an illegal user needs to obtain the multiple fingerprints of the authorized user, the implementation difficulty and cost of the illegal user are improved, and the security guarantee of the authorized user is facilitated.
In an embodiment, according to the fingerprint identification result, a preset fingerprint combination matched with the plurality of fingerprints may be determined, and a preset operation corresponding to the preset fingerprint combination may be triggered. The authorized user can enter a plurality of fingerprints in advance, and the number of the fingerprints which are entered is greater than the number of the fingerprints of the plurality of fingerprints, so that the authorized user has a plurality of fingerprint combinations when entering the plurality of fingerprints: for example, the fingerprint 1+ fingerprint 2 is used for unlocking the screen, the fingerprint 1+ fingerprint 3 is used for starting one or more application programs (other application programs may also be started in other combination manners), the fingerprint 2+ fingerprint 4 is used for switching to a specified contextual model (such as a conference mode, an outdoor mode, and the like), the fingerprint 1+ fingerprint 2+ fingerprint 3 is used for sending an emergency message to a target object, and the like, which is not limited by the disclosure.
FIG. 2 is a flow chart illustrating another method of fingerprinting in accordance with an exemplary embodiment. As shown in fig. 2, the method may include the steps of:
in step 202, a touch operation is detected.
Take the cell-phone 30 that fig. 3 shows as an example, assume that this cell-phone 30 is provided with touch-sensitive screen module and fingerprint identification module, and this fingerprint identification module forms fingerprint detection area 31 in the visible area of this touch-sensitive screen module, and this fingerprint detection area 31's area is great, covers half area of this touch-sensitive screen module almost. Of course, in other embodiments, the area of the fingerprint detection area 31 may be relatively smaller or relatively larger as long as it is ensured that it can detect a plurality of fingerprints of the user, which is not limited by the present disclosure.
Through setting up fingerprint detection area 31 in the visual area of touch-sensitive screen module for the fingerprint detection module need not to occupy cell-phone 30's panel side space, is convenient for realize that bigger screen accounts for than, forms or is close to form comprehensive screen effect. Meanwhile, the fingerprint detection area 31 with a larger area is arranged, so that a user can input fingerprints in the larger area, and the operation experience of the user is optimized.
In step 204, determining whether the occurrence position of the touch operation is in a fingerprint detection area; if yes, go to step 206, otherwise return to step 202.
In step 206, a fingerprint is acquired.
In an embodiment, because fingerprint detection area 31 is located the touch detection area of touch-sensitive screen module, therefore can detect the touch operation that takes place in the touch detection area through touch-sensitive screen module to trigger fingerprint identification module and implement fingerprint detection. In other embodiments, can also confirm through other modes that the user places the finger in fingerprint detection area 31 to trigger the fingerprint identification module and implement fingerprint detection, then close the fingerprint detection function of fingerprint identification module at other moments, with the reduction power consumption.
In step 208, when the number of the acquired fingerprints is 2, the process proceeds to step 210, otherwise, the process returns to step 202.
In an embodiment, assuming that the fingerprint combination entered by the owner (i.e. authorized user) of the mobile phone 30 is "standard fingerprint a + standard fingerprint B", then the fingerprint identification module can only judge that the user needs to implement the authentication based on fingerprint identification when acquiring 2 fingerprints, and when detecting 1 fingerprint or exceeding 2 fingerprints, then determine that the user has touched by mistake because the quantity is not in agreement, and the fingerprint identification module does not need to implement the fingerprint identification operation.
In an embodiment, in addition to the requirement on the number of fingerprints, the location information of the fingerprints may be limited. For example, as shown in fig. 4, the fingerprint detection area 31 may be divided into a first detection area 311 and a second detection area 312, if the number of detected fingerprints is 2 and the 2 fingerprints are located in the first detection area 311 and the second detection area 312 respectively, for example, a fingerprint 321 located in the first detection area 311 and a fingerprint 322 located in the second detection area 312 are detected, the fingerprint identification module may be triggered to perform the fingerprint identification operation, otherwise (for example, the 2 fingerprints are all located in the first detection area 311) it may be determined that the user has touched by mistake, and the fingerprint identification module does not need to perform the fingerprint identification operation.
In an embodiment, when the fingerprint detection function of the fingerprint identification module is opened, the fingerprint detection can be periodically carried out on the fingerprint detection area 31, and the number statistics and the position identification are carried out on the detected fingerprints in the same period; in other words, since the user can often place a plurality of fingers in the fingerprint detection area 31 at the same time or almost at the same time when actively performing fingerprint recognition, all fingerprints detected in the same period can be determined as a single operation from the user, while fingerprints detected in different periods are determined as different operations (often as a false touch) from the user.
In step 210, the device holding mode is determined.
In step 212, fingerprint database data is selected.
In an embodiment, in the process of entering the standard fingerprint by the owner, the fingerprint identification module may determine a holding mode of the owner on the mobile phone 30, and determine the corresponding direction determination reference according to the holding mode, so as to determine the direction of the finger corresponding to the entered standard fingerprint. Correspondingly, in the process of identifying the fingerprint 321-322 in the fingerprint detection area 31, the fingerprint identification module can also determine the holding mode of the user on the mobile phone 30, and determine the corresponding direction determination reference according to the holding mode, so as to determine the finger direction corresponding to the fingerprint 321-322 accordingly.
It is assumed that fig. 5 shows a schematic diagram of an owner entering a standard fingerprint a-B. As shown in fig. 5, when the owner holds the mobile phone 30 in the forward direction, the direction determination criterion is shown as the lower right corner; based on the relative position relationship between the edges 30A to 30D of the mobile phone 30, the direction determination criterion can be characterized as: the edge 30A at the top of the phone 30 corresponds to the top, the edge 30B at the bottom of the phone 30 corresponds to the bottom, the edge 30C at the left side of the phone 30 corresponds to the left, and the edge 30D at the right side of the phone 30 corresponds to the right. Therefore, when the extending direction corresponding to the standard fingerprint A is the direction LA (the front end of LA corresponds to the fingertip direction, and the tail end corresponds to the finger tip direction; similarly in the case of LB, L11-13, and L21-23 described below), it can be determined that the finger direction corresponding to the standard fingerprint A is from the lower left to the upper right, or is determined to be toward the right only in the left-right direction; similarly, when the extending direction of the standard fingerprint B is the direction LB, the finger direction corresponding to the standard fingerprint B may be determined to be from the lower right to the upper left, or may be determined to be toward the left only in the left-right direction.
In one embodiment, as shown in FIG. 6: assuming that the user is holding the mobile phone 30 in the forward direction, the direction determination criterion is consistent with fig. 5: the edge 30A at the top of the phone 30 corresponds to the top, the edge 30B at the bottom of the phone 30 corresponds to the bottom, the edge 30C at the left side of the phone 30 corresponds to the left, and the edge 30D at the right side of the phone 30 corresponds to the right. Therefore, when the extending direction of the fingerprint 321 is the direction L11, the finger direction corresponding to the fingerprint 321 can be determined to be from the lower left to the upper right, or only the left-right direction is determined to be towards the right, so that only the fingerprint database data corresponding to the standard fingerprint corresponding to the finger direction can be selected to identify the fingerprint 321, for example, the fingerprint database data corresponding to the standard fingerprint a and the fingerprint database data corresponding to the standard fingerprint B are selected. Similarly, when the extending direction of the fingerprint 322 is the direction L21, the finger direction of the fingerprint 322 can be determined from the lower right to the upper left, or only the left direction is determined to be towards the left, so that only the fingerprint database data corresponding to the standard fingerprint matching the finger direction can be selected to identify the fingerprint 322, such as selecting the fingerprint database data corresponding to the standard fingerprint B and not selecting the fingerprint database data corresponding to the standard fingerprint a.
In one embodiment, as shown in FIG. 7: assuming that the user holds the mobile phone 30 in the reverse direction, the direction determination criterion is shown in the lower right corner; based on the relative position relationship between the edges 30A to 30D of the mobile phone 30, the direction determination criterion can be characterized as: the edge 30A at the top of the phone 30 corresponds to the bottom, the edge 30B at the bottom of the phone 30 corresponds to the top, the edge 30C at the left side of the phone 30 corresponds to the right, and the edge 30D at the right side of the phone 30 corresponds to the left. Therefore, when the extending direction of the fingerprint 321 is the direction L12, the finger direction corresponding to the fingerprint 321 can be determined to be from the lower left to the upper right, or only the left-right direction is determined to be towards the right, so that only the fingerprint database data corresponding to the standard fingerprint corresponding to the finger direction can be selected to identify the fingerprint 321, for example, the fingerprint database data corresponding to the standard fingerprint a and the fingerprint database data corresponding to the standard fingerprint B are selected. Similarly, when the extending direction of the fingerprint 322 is the direction L22, the finger direction of the fingerprint 322 can be determined from the lower right to the upper left, or only the left direction is determined to be towards the left, so that only the fingerprint database data corresponding to the standard fingerprint matching the finger direction can be selected to identify the fingerprint 322, such as selecting the fingerprint database data corresponding to the standard fingerprint B and not selecting the fingerprint database data corresponding to the standard fingerprint a.
In one embodiment, as shown in FIG. 8: assuming that the user holds the mobile phone 30 laterally, the direction determination criterion is shown in the upper right corner; based on the relative position relationship between the edges 30A to 30D of the mobile phone 30, the direction determination criterion can be characterized as: the edge 30A at the top of the handset 30 corresponds to the left, the edge 30B at the bottom of the handset 30 corresponds to the right, the edge 30C at the left side of the handset 30 corresponds to the bottom, and the edge 30D at the right side of the handset 30 corresponds to the top. Therefore, when the extending direction of the fingerprint 321 is the direction L13, the finger direction corresponding to the fingerprint 321 can be determined to be from the lower left to the upper right, or only the left-right direction is determined to be towards the right, so that only the fingerprint database data corresponding to the standard fingerprint corresponding to the finger direction can be selected to identify the fingerprint 321, for example, the fingerprint database data corresponding to the standard fingerprint a and the fingerprint database data corresponding to the standard fingerprint B are selected. Similarly, when the extending direction of the fingerprint 322 is the direction L23, the finger direction of the fingerprint 322 can be determined from the lower right to the upper left, or only the left direction is determined to be towards the left, so that only the fingerprint database data corresponding to the standard fingerprint matching the finger direction can be selected to identify the fingerprint 322, such as selecting the fingerprint database data corresponding to the standard fingerprint B and not selecting the fingerprint database data corresponding to the standard fingerprint a.
In step 214, a fingerprint is identified.
In an embodiment, in the process of identifying each fingerprint, only partial fingerprint database data matched with the finger direction is needed to be used, and each fingerprint does not need to be compared with complete fingerprint database data, so that the time spent on identifying each fingerprint is greatly shortened, the response speed to a user can be accelerated, and the authentication efficiency is improved.
In step 216A, when the fingerprint identification result matches the first fingerprint combination, screen unlocking is triggered.
In step 216B, when the fingerprint identification result matches the second fingerprint combination, the payment barcode interface is triggered to be started.
In one embodiment, the owner of the mobile phone 30 may only pre-enter a fingerprint combination, such as standard fingerprint a + standard fingerprint B, for triggering a single operation, such as screen unlocking; or the owner may pre-enter a plurality of fingerprint combinations, such as a standard fingerprint a + a standard fingerprint B, a standard fingerprint B + a standard fingerprint C, and the like, for triggering a single operation, such as screen unlocking; or, the owner may pre-enter a plurality of fingerprint combinations for respectively triggering a plurality of operations, for example, the fingerprint combination of the standard fingerprint a + the standard fingerprint B is used for triggering screen unlocking, and the fingerprint combination of the standard fingerprint B + the standard fingerprint C is used for triggering and starting a payment barcode interface.
Therefore, by determining the matching condition between the fingerprint identification result and the preset fingerprint combination, the operation required to be performed by the mobile phone 30 can be determined. For example, as shown in fig. 4, when the fingerprint 321 matches the fingerprint a and the fingerprint 322 matches the fingerprint B, the fingerprint 321 and the fingerprint 322 match the fingerprint combination of the fingerprint a + the fingerprint B, and thus, for example, screen unlocking or other operations may be triggered; as another example, when a fingerprint combination matching fingerprint B + fingerprint C may trigger, for example, a payment barcode interface or other operation.
In step 216C, when the fingerprint identification result does not match any fingerprint combination, a fingerprint error is triggered and prompted.
In one embodiment, the user is made aware of the fingerprint recognition result by displaying a prompt message such as "fingerprint is incorrect" on the screen of the mobile phone 30. The screen of the mobile phone 30 may also display an opening option of other authentication methods, such as "enter password" or the like, so as to guide the user to adopt other types of authentication methods.
Corresponding to the embodiment of the fingerprint identification method, the disclosure also provides an embodiment of a fingerprint identification device.
FIG. 9 is a block diagram illustrating a fingerprint recognition device according to an exemplary embodiment. Referring to fig. 9, the apparatus includes:
an acquisition unit 91 configured to acquire fingerprint information acquired within a fingerprint detection area;
a data determining unit 92 configured to determine, when the fingerprint information includes a plurality of fingerprints in a preset number, fingerprint database data matched with a finger direction according to the finger direction corresponding to each fingerprint, respectively, so as to perform fingerprint identification on the corresponding fingerprint;
an authentication unit 93 configured to authenticate a source of the plurality of fingerprints according to fingerprint identification results for the plurality of fingerprints.
Optionally, the plurality of fingerprints are detected at different locations within the fingerprint detection area.
Optionally, the positions of the plurality of fingerprints are respectively located in a preset number of sub-areas formed by dividing the fingerprint detection area.
Optionally, the obtaining unit 91 is specifically configured to:
and acquiring all fingerprints collected in the fingerprint detection area within a preset time length to serve as fingerprint information.
As shown in fig. 10, fig. 10 is a block diagram of another fingerprint identification device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and further includes:
a processing unit 94 configured to ignore the fingerprint information when the number of fingerprints included in the fingerprint information is smaller than the preset number or is inconsistent with the preset number.
As shown in fig. 11, fig. 11 is a block diagram of another fingerprint identification device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and further includes:
a criterion determining unit 95 that determines a direction determination criterion;
and a direction determining unit 96 for determining the finger direction corresponding to each fingerprint according to the direction discrimination reference.
It should be noted that the configurations of the reference determination unit 95 and the direction determination unit 96 in the apparatus embodiment shown in fig. 11 may also be included in the apparatus embodiment shown in fig. 10, and the present disclosure is not limited thereto.
As shown in fig. 12, fig. 12 is a block diagram of another fingerprint identification device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 11, and further includes:
a manner determining unit 97 configured to determine a device holding manner adopted by a source user of the fingerprint information;
wherein the direction determination criterion is related to the device holding manner.
As shown in fig. 13, fig. 13 is a block diagram of another fingerprint identification device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and further includes:
a combination determination unit 98 configured to determine a preset fingerprint combination matched with the plurality of fingerprints according to the fingerprint identification result;
and a triggering unit 99 configured to trigger a preset operation corresponding to the preset fingerprint combination.
Optionally, the preset operation includes at least one of:
unlocking a screen, starting one or more application programs, switching to a specified contextual model, and sending an emergency message to a target object.
It should be noted that the structures of the combination determination unit 98 and the trigger unit 99 in the device embodiment shown in fig. 13 may also be included in the device embodiment described in any one of fig. 10 to 12, and the disclosure is not limited thereto.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the disclosed solution. One of ordinary skill in the art can understand and implement it without inventive effort.
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 the fingerprint identification method as in any one of the above embodiments, such as the method may include: acquiring fingerprint information acquired in a fingerprint detection area; when the fingerprint information comprises a plurality of fingerprints in a preset number, determining fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively so as to perform fingerprint identification on the corresponding fingerprint; and according to the fingerprint identification results aiming at the fingerprints, carrying out identity verification on the source side of the fingerprints.
Accordingly, the present disclosure also provides a terminal comprising a memory, and one or more programs, wherein the one or more programs are stored in the memory, and configured to be executed by one or more processors, the one or more programs including instructions for implementing the fingerprint identification method according to any of the above embodiments, such as the method may include: acquiring fingerprint information acquired in a fingerprint detection area; when the fingerprint information comprises a plurality of fingerprints in a preset number, determining fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively so as to perform fingerprint identification on the corresponding fingerprint; and according to the fingerprint identification results aiming at the fingerprints, carrying out identity verification on the source side of the fingerprints.
Fig. 14 is a block diagram illustrating an apparatus 1400 for fingerprint recognition, according to an example embodiment. For example, the apparatus 1400 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 14, apparatus 1400 may include one or more of the following components: a processing component 1402, a memory 1404, a power component 1406, a multimedia component 1408, an audio component 1410, an input/output (I/O) interface 1412, a sensor component 1414, and a communication component 1416.
The processing component 1402 generally controls the overall operation of the device 1400, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processing component 1402 may include one or more processors 1420 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 1402 can include one or more modules that facilitate interaction between processing component 1402 and other components. For example, the processing component 1402 can include a multimedia module to facilitate interaction between the multimedia component 1408 and the processing component 1402.
The memory 1404 is configured to store various types of data to support operations at the apparatus 1400. Examples of such data include instructions for any application or method operating on device 1400, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1404 may be implemented by any type of volatile or non-volatile storage device or combination of 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 disks.
The power supply component 1406 provides power to the various components of the device 1400. The power components 1406 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 1400.
The multimedia component 1408 includes a screen that provides an output interface between the device 1400 and the user. 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 to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 1408 includes a front-facing camera and/or a rear-facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 1400 is in an operation mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1410 is configured to output and/or input audio signals. For example, the audio component 1410 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 1400 is in operating modes, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1404 or transmitted via the communication component 1416. In some embodiments, audio component 1410 further includes a speaker for outputting audio signals.
I/O interface 1412 provides an interface between processing component 1402 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 1414 includes one or more sensors for providing various aspects of state assessment for the apparatus 1400. For example, the sensor component 1414 may detect an open/closed state of the apparatus 1400, a relative positioning of components, such as a display and keypad of the apparatus 1400, a change in position of the apparatus 1400 or a component of the apparatus 1400, the presence or absence of user contact with the apparatus 1400, an orientation or acceleration/deceleration of the apparatus 1400, and a change in temperature of the apparatus 1400. The sensor assembly 1414 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 1414 may also include a photosensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1416 is configured to facilitate wired or wireless communication between the apparatus 1400 and other devices. The device 1400 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1416 further includes a Near Field Communication (NFC) module to facilitate short-range communications. 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 1400 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, micro-controllers, microprocessors or other electronic components for performing the above-described fingerprinting method.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as the memory 1404 that includes instructions executable by the processor 1420 of the apparatus 1400 to perform the fingerprinting method described above. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
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 variations, 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 will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (20)
1. A fingerprint identification method, comprising:
acquiring fingerprint information acquired in a fingerprint detection area;
when the fingerprint information comprises a plurality of fingerprints in a preset number, determining fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively so as to perform fingerprint identification on the corresponding fingerprint;
and according to the fingerprint identification results aiming at the fingerprints, carrying out identity verification on the source side of the fingerprints.
2. The method of claim 1, wherein the acquiring of the fingerprint information collected in the fingerprint detection area comprises:
and acquiring all fingerprints collected in the fingerprint detection area within a preset time length to serve as fingerprint information.
3. The method of claim 1, wherein the plurality of fingerprints are detected at different locations within the fingerprint detection area.
4. The method according to claim 3, wherein the plurality of fingerprints are located in a preset number of sub-areas formed by dividing the fingerprint detection area.
5. The method of claim 1, further comprising:
and when the number of the fingerprints contained in the fingerprint information is smaller than the preset number or is inconsistent with the preset number, ignoring the fingerprint information.
6. The method of claim 1, further comprising:
determining a direction discrimination reference;
and determining the finger direction corresponding to each fingerprint according to the direction discrimination reference.
7. The method of claim 6, further comprising:
determining an equipment holding mode adopted by a user at a source side of the fingerprint information;
wherein the direction determination criterion is related to the device holding manner.
8. The method of claim 1, further comprising:
determining a preset fingerprint combination matched with the plurality of fingerprints according to the fingerprint identification result;
and triggering the preset operation corresponding to the preset fingerprint combination.
9. The method of claim 8, wherein the preset operation comprises at least one of:
unlocking a screen, starting one or more application programs, switching to a specified contextual model, and sending an emergency message to a target object.
10. A fingerprint recognition device, comprising:
the acquisition unit is configured to acquire fingerprint information acquired in a fingerprint detection area;
the data determining unit is configured to determine fingerprint database data matched with the finger direction according to the finger direction corresponding to each fingerprint respectively to perform fingerprint identification on the corresponding fingerprint when the fingerprint information comprises a plurality of fingerprints in a preset number;
a verification unit configured to verify the identity of a source of the plurality of fingerprints according to the fingerprint identification results for the plurality of fingerprints.
11. The apparatus according to claim 10, wherein the obtaining unit is specifically configured to:
and acquiring all fingerprints collected in the fingerprint detection area within a preset time length to serve as fingerprint information.
12. The apparatus of claim 10, wherein the plurality of fingerprints are detected at different locations within the fingerprint detection region.
13. The apparatus according to claim 12, wherein the plurality of fingerprints are located in a preset number of sub-areas formed by dividing the fingerprint detection area.
14. The apparatus of claim 10, further comprising:
and the processing unit is configured to ignore the fingerprint information when the number of the fingerprints contained in the fingerprint information is smaller than the preset number or is inconsistent with the preset number.
15. The apparatus of claim 10, further comprising:
a reference determination unit that determines a direction determination reference;
and the direction determining unit is used for determining the finger direction corresponding to each fingerprint according to the direction judging reference.
16. The apparatus of claim 15, further comprising:
a mode determination unit configured to determine a device holding mode adopted by a source user of the fingerprint information;
wherein the direction determination criterion is related to the device holding manner.
17. The apparatus of claim 10, further comprising:
a combination determination unit configured to determine a preset fingerprint combination matched with the plurality of fingerprints according to the fingerprint identification result;
and the triggering unit is configured to trigger a preset operation corresponding to the preset fingerprint combination.
18. The apparatus of claim 17, wherein the preset operation comprises at least one of:
unlocking a screen, starting one or more application programs, switching to a specified contextual model, and sending an emergency message to a target object.
19. An electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor implements the method of any one of claims 1-9 by executing the executable instructions.
20. A computer-readable storage medium having stored thereon computer instructions, which, when executed by a processor, carry out the steps of the method according to any one of claims 1-9.
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| CN201811102842.2A CN110929551A (en) | 2018-09-20 | 2018-09-20 | Fingerprint identification method and device, electronic device, storage medium |
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| CN201811102842.2A CN110929551A (en) | 2018-09-20 | 2018-09-20 | Fingerprint identification method and device, electronic device, storage medium |
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