CN109740538B - Fingerprint acquisition method, electronic device and computer readable storage medium - Google Patents
Fingerprint acquisition method, electronic device and computer readable storage medium Download PDFInfo
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- CN109740538B CN109740538B CN201910005391.9A CN201910005391A CN109740538B CN 109740538 B CN109740538 B CN 109740538B CN 201910005391 A CN201910005391 A CN 201910005391A CN 109740538 B CN109740538 B CN 109740538B
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Abstract
The embodiment of the application provides a fingerprint acquisition method, an electronic device and a computer readable storage medium, and relates to the technical field of communication, wherein the method comprises the following steps: when the unlocking event is triggered, whether an indication icon displayed in a screen disappears or not is confirmed, if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for a preset time, and if the indication icon disappears, the fingerprint acquisition operation is executed. The electronic device and the computer readable storage medium can improve the accuracy of fingerprint acquisition under the screen.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a fingerprint acquisition method, an electronic device, and a computer-readable storage medium.
Background
With the development of electronic terminal technology, the popularity of intelligent electronic terminals such as mobile phones, tablet computers, and portable computers is increasing. Since most of these electronic devices store various kinds of information of users, security issues are more and more emphasized by people, and fingerprint unlocking technology is thus greatly developed.
Fingerprint identification technology under the screen, also called stealthy fingerprint technology, is one of the more popular fingerprint unblock technologies at present, mainly through the fingerprint collection and identification module of display screen glass below, accomplishes fingerprint collection and discernment unblock process. When a fingerprint is collected, in order to locate the position of the fingerprint collection module, an indication icon is usually displayed on a screen after the fingerprint is triggered to be unlocked, which causes a ghost image of the indication icon to be carried in a sample collected by the fingerprint collection module. The pattern of successful unlocking can be learned in the process of unlocking every time by a fingerprint identification algorithm, and because the fingerprint identification is completed based on the matching degree and the area of the indication icon is usually larger, the subsequent wrong fingerprint is caused, and when the indication icon is carried, the unlocking can be successfully carried out, so that the potential safety hazard is caused.
Disclosure of Invention
The embodiment of the application provides a fingerprint acquisition method, an electronic device and a computer-readable storage medium, which can be used for improving fingerprint acquisition accuracy so as to solve the problem of unlocking safety.
An aspect of the present application provides a fingerprint acquisition method, including: when the unlocking event is triggered, confirming whether an indication icon displayed in a screen disappears;
if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for a preset time;
and if the indication icon disappears, executing the fingerprint acquisition operation.
An aspect of an embodiment of the present application further provides an electronic apparatus, where the electronic apparatus includes:
the confirming module is used for confirming whether the indication icon displayed in the screen disappears or not when the unlocking event is triggered;
the acquisition module is used for executing the fingerprint acquisition operation after waiting for a preset time if the indication icon does not disappear;
and the acquisition module is also used for executing the fingerprint acquisition operation if the indication icon disappears.
An aspect of an embodiment of the present application further provides an electronic apparatus, including: the fingerprint acquisition system comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the computer program, the fingerprint acquisition method provided by the embodiment is realized.
An aspect of the embodiments of the present application further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the fingerprint acquisition method provided in the above embodiments is implemented.
In the above embodiments, when the unlocking event is triggered, whether the indication icon displayed in the screen disappears is determined, if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for a preset time period, and if the indication icon disappears, the fingerprint acquisition operation is executed, so that the possibility that the indication icon does not disappear and is acquired into a fingerprint image is greatly reduced, the accuracy of fingerprint acquisition is improved, and the safety of unlocking is improved after the acquired fingerprint image is learned into the unlocking password.
Drawings
Fig. 1 is a schematic flowchart illustrating an implementation process of a fingerprint acquisition method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of fingerprint acquisition in an embodiment of the present application;
fig. 3 is a schematic flowchart illustrating an implementation of a fingerprint acquisition method according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 6 is a schematic hardware structure diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Please refer to fig. 1, which is a schematic flow chart illustrating an implementation of a fingerprint acquisition method according to an embodiment of the present application. The method can be applied to an electronic device provided with a fingerprint acquisition module under a screen, such as: the mobile terminal comprises a mobile terminal such as a mobile phone, a tablet computer, a laptop, an intelligent watch and intelligent glasses and a non-mobile terminal such as a desktop computer, an all-in-one machine and an intelligent television. As shown in fig. 1, the method mainly includes:
s101, when an unlocking event is triggered, whether an indication icon displayed in a screen disappears is confirmed;
the unlock event may be an unlock screen or the like.
The fingerprint collector can be arranged under the screen of the electronic device.
The unlocking mode is fingerprint unlocking, and when a finger is detected to press a fingerprint acquisition area of the screen, or a home key, a virtual key on the screen and the like are pressed, an unlocking event is triggered.
After an unlocking event is triggered, a processor in the electronic device controls a display module to display an indication icon on a screen, wherein the indication icon is used for indicating a user to place a finger at the indication icon, so that the fingerprint of the finger can be accurately acquired by the fingerprint acquirer.
The indicator icon disappears after a short time, for example, 0.5 second.
Further, the unlocking module sends a message to inform the fingerprint acquisition module of preparing to acquire the fingerprint, and the fingerprint acquisition module receives the message to confirm whether the indication icon displayed in the screen disappears.
Referring to fig. 2, fig. 2 is a schematic diagram of a position where the user presses the indication icon.
S102, if the indication icon does not disappear, after waiting for a preset time, executing the fingerprint acquisition operation;
and if the processor confirms that the indication icon in the screen does not disappear, waiting for a preset time, namely after the indication icon disappears, carrying out fingerprint acquisition by the fingerprint acquisition device.
The preset time period may be several times the system-set time for the indication icon to disappear, for example, 3 seconds. The situation that the indication icon disappears after a delay due to a system reason or the like can be avoided to a certain extent.
Or the fingerprint collection operation can be executed again until the indication icon disappears is detected.
And S103, if the indication icon disappears, executing the fingerprint acquisition operation.
If the processor confirms that the indication icon in the screen disappears, the fingerprint collector immediately collects the fingerprint of the finger currently pressed on the screen.
In this embodiment, when an unlocking event is triggered, whether an indication icon displayed in a screen disappears is determined, if the indication icon does not disappear, a fingerprint acquisition operation is executed after waiting for a preset time period, and if the indication icon disappears, the fingerprint acquisition operation is executed, so that the possibility that the indication icon does not disappear and is acquired into a fingerprint image is greatly reduced, the accuracy of fingerprint acquisition is improved, and the safety of unlocking is improved after the acquired fingerprint pattern is learned into an unlocking password.
Please refer to fig. 3, which is a flowchart illustrating an implementation of a fingerprint acquisition method according to another embodiment of the present application. The method can be applied to an electronic device provided with a fingerprint acquisition module under a screen, such as: the mobile terminal comprises a mobile terminal such as a mobile phone, a tablet computer, a laptop, an intelligent watch and intelligent glasses and a non-mobile terminal such as a desktop computer, an all-in-one machine and an intelligent television. As shown in fig. 3, the method mainly includes:
s201, when an unlocking event is triggered, collecting a current fingerprint, and matching fingerprint characteristic information in a collected fingerprint image with preset fingerprint characteristic information;
if the matching degree of the fingerprint feature information in the collected fingerprint image and the preset fingerprint feature information is smaller than the preset matching degree, the preset fingerprint feature information is the unlocking password, and the matching degree is not enough to indicate that the unlocking is problematic, step S202 is executed to determine whether the problem of the insufficient matching degree is caused by the fact that the indication icon in the screen does not disappear.
Specifically, if the matching degree of the fingerprint feature information in the acquired fingerprint image and the preset fingerprint feature information is smaller than the preset matching degree, restoring the user fingerprint in the acquired fingerprint image according to the preset feature information of the indication icon to obtain an image to be matched, namely the image to be matched is the user fingerprint. Matching the fingerprint feature information in the image to be matched with the preset fingerprint feature information, and if the matching degree of the fingerprint feature information in the image to be matched with the preset fingerprint feature information is smaller than the preset matching degree, executing step S202.
And if the matching degree of the fingerprint characteristic information in the image to be matched and the preset fingerprint characteristic information is not less than the preset matching degree, unlocking the screen, namely, if the matching degree is equal to or greater than the preset matching degree, directly unlocking the screen. And the matching with the preset fingerprint password is successful, and the unlocking can be realized. And setting the image to be matched as a reference image in unlocking. Therefore, the reference image can be directly used as an unlocking password in the next unlocking process, and the unlocking convenience is improved.
S202, confirming whether an indication icon displayed in a screen disappears;
whether the indication icon disappears can be confirmed according to the display time parameter of the indication icon and the time parameter of fingerprint collection, and specifically, the execution time of the fingerprint collection operation, the display initial time of the indication icon, the display time length and the afterimage disappearance time of the indication icon are obtained, wherein after the display initial time of the indication icon is determined, the display time length and the afterimage disappearance time length can be calculated according to the time data related to the indication icon and stored in the system in advance.
And judging whether the execution time of the fingerprint acquisition operation is later than the sum of the initial display time, the display duration and the afterimage disappearance time of the indication icon, and if so, confirming that the fingerprint acquisition occurs before the afterimage of the indication icon disappears, and indicating that the indication icon disappears.
Whether the indication icon disappears can be confirmed according to the display position parameter of the indication icon and the position explanation of fingerprint collection, specifically, the position of the collected fingerprint in the screen and the position of the indication icon in the screen are obtained, and if the fingerprint collected by the fingerprint collection operation is consistent with the position of the indication icon in the screen, the indication icon disappears is confirmed. And when the indication icon disappears, the processor wakes up the fingerprint collector to collect the current fingerprint. And when the instruction icon is confirmed not to disappear, awakening the fingerprint collector to continue to collect the current fingerprint, and continuously judging whether the instruction icon disappears by the processor until the instruction icon disappears, and awakening the fingerprint collector to collect the current fingerprint.
Whether the indication icon displayed in the screen disappears or not can also be confirmed according to the feature information of the indication icon and the fingerprint image. Specifically, when the unlocking event is triggered, a fingerprint is collected, whether the collected fingerprint image contains the indication icon or not is identified according to preset characteristic information of the indication icon, if yes, the indication icon is determined not to disappear, and if not, the indication icon is determined to disappear. Whether the acquired fingerprint image contains the indication icon or not is judged by judging whether the acquired fingerprint image contains the characteristic information of the indication icon or not, so that the judgment accuracy can be improved.
It should be noted that an image including a user fingerprint and the indication icon may be collected in advance, and used as a first preset reference image for identifying the indication icon, that is, the first preset reference image is a password for unlocking the screen. When the unlocking event is triggered, if the matching degree of the fingerprint feature information in the acquired fingerprint image and the fingerprint feature information in the second preset reference image is not smaller than the first preset matching degree, unlocking the screen, and under the condition that a small part of the indication icon is pressed by a finger of a user, the unlocking can be successful; and matching the acquired fingerprint image with the first preset reference image, if the matching degree of the acquired fingerprint image and the first preset reference image is greater than the second preset matching degree, eliminating the indication icon in the acquired fingerprint image according to the image of the preset indication icon, and taking the image without the indication icon as the second preset reference image, wherein the two preset reference images are passwords used for unlocking the screen.
S203, if the indication icon does not disappear, after waiting for a preset time, executing the fingerprint acquisition operation;
further, according to preset feature information of the indication icon, whether the acquired fingerprint image contains the indication icon is identified;
if the fingerprint image contains the indication icon, after a preset waiting time, executing the fingerprint acquisition operation again, and executing the operation of identifying whether the acquired fingerprint image contains the indication icon or not according to the preset characteristic information of the indication icon until the acquired fingerprint image does not contain the indication icon;
and if the indication icon is not included, matching the fingerprint characteristics of the acquired fingerprint image with the preset fingerprint characteristics to unlock the screen.
And S204, if the indication icon disappears, executing the fingerprint acquisition operation.
Further, a continuous fingerprint unlock action may require a continuous highlight mode of the screen. The high brightness mode refers to the mode with the maximum backlight brightness, and aims to collect fingerprints, and the fingerprints under the screen collect backlight light reflected by the fingerprints.
After the screen is unlocked according to the acquired fingerprint image, when the screen is in a highlight mode, predicting the next action of the user according to the type of the application running or started by a foreground, such as unlocking and opening a payment treasure; judging whether the predicted next action is an action in a white list or not; if the action is in the white list, keeping the screen in the current highlight mode unchanged; and when the next action of the user is detected, predicting the next action of the user according to the detected next action and the type of the application which is operated or started in the foreground, and executing the step of judging whether the predicted next action is an action in a white list or not until the screen is controlled to exit the highlight mode if the predicted next action is not the action in the white list. The possibility of screen flicker can be reduced.
In this embodiment, when the unlocking event is triggered, whether the indication icon displayed in the screen disappears is determined, if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for a preset time period, and if the indication icon disappears, the fingerprint acquisition operation is executed, so that the possibility that the indication icon does not disappear and is acquired into the fingerprint image is greatly reduced, the accuracy of fingerprint acquisition is improved, and the safety of unlocking is improved.
Please refer to fig. 4, which is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device can be used for implementing the fingerprint acquisition method provided by the embodiment shown in fig. 1. As shown in fig. 3, the electronic device includes: a confirmation module 301 and an acquisition module 302.
A confirmation module 301, configured to confirm whether an indication icon displayed in a screen disappears when an unlocking event is triggered;
an acquisition module 302, configured to wait for a preset time period and then execute the fingerprint acquisition operation if the indication icon does not disappear;
the collecting module 302 is further configured to execute the fingerprint collecting operation if the indication icon disappears.
It should be noted that, in the embodiment of the electronic device illustrated in fig. 4, the division of the functional modules is only an example, and in practical applications, the above functions may be distributed by different functional modules according to needs, for example, configuration requirements of corresponding hardware or convenience of implementation of software, that is, the internal structure of the electronic device is divided into different functional modules to complete all or part of the functions described above. In practical applications, the corresponding functional modules in this embodiment may be implemented by corresponding hardware, or may be implemented by corresponding hardware executing corresponding software. The above description principles can be applied to various embodiments provided in the present specification, and are not described in detail below.
For a specific process of each function module in the electronic device provided in this embodiment to implement each function, please refer to the specific content described in the embodiment shown in fig. 1, which is not described herein again.
According to the electronic device provided by the embodiment, when the unlocking event is triggered, whether the indication icon displayed in the screen disappears or not is confirmed, if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for the preset time, and if the indication icon disappears, the fingerprint acquisition operation is executed, so that the possibility that the indication icon does not disappear and is acquired into a fingerprint image is greatly reduced, the accuracy of fingerprint acquisition is improved, and after the acquired fingerprint image is learned into the unlocking password, the unlocking safety is improved.
Please refer to fig. 5, which is a schematic structural diagram of an electronic device according to another embodiment of the present application. The electronic device can be used for implementing the fingerprint acquisition method provided by the embodiment shown in fig. 1 and 3. As shown in fig. 5, unlike the embodiment shown in fig. 4, in the present embodiment:
the confirmation module 301 is further configured to obtain an execution time of the fingerprint acquisition operation, a display initial time and a display duration of the indication icon, and a ghost disappearance time of the indication icon;
judging whether the execution time of the fingerprint acquisition operation is later than the sum of the initial display time, the display duration and the residual image disappearance time of the indication icon;
and if the time is later than the preset time, confirming that the indication icon disappears.
Further, the confirming module 301 is further configured to obtain a position of the acquired fingerprint in the screen, and a position of the indication icon in the screen;
and if the positions of the fingerprint acquired by the fingerprint acquisition operation and the indication icon in the screen are consistent, confirming that the indication icon disappears.
Further, the confirming module 301 is further configured to identify whether the acquired fingerprint image includes the indication icon according to preset feature information of the indication icon;
if the indication icon is contained, confirming that the indication icon does not disappear;
and if the indication icon is not included, confirming that the indication icon disappears.
Further, the electronic device further includes:
the processing module 401 is configured to identify whether the acquired fingerprint image includes the indication icon according to preset feature information of the indication icon;
if the fingerprint image contains the indication icon, after a preset waiting time, executing the fingerprint acquisition operation again, and executing the operation of identifying whether the acquired fingerprint image contains the indication icon or not according to the preset characteristic information of the indication icon until the acquired fingerprint image does not contain the indication icon;
and if the indication icon is not included, matching the fingerprint characteristics of the acquired fingerprint image with preset fingerprint characteristics to unlock the screen.
Further, the processing module 401 is further configured to collect a current fingerprint, and match fingerprint feature information in the collected fingerprint image with preset fingerprint feature information;
if the matching degree of the fingerprint feature information in the acquired fingerprint image and the preset fingerprint feature information is smaller than the preset matching degree, restoring the user fingerprint in the acquired fingerprint image according to the preset feature information of the indication icon to obtain an image to be matched;
matching the fingerprint characteristic information in the image to be matched with the preset fingerprint characteristic information;
if the matching degree of the fingerprint feature information in the image to be matched and the preset fingerprint feature information is smaller than the preset matching degree, executing the step of confirming whether an indication icon displayed in the screen disappears;
and if the matching degree of the fingerprint characteristic information in the image to be matched and the preset fingerprint characteristic information is not less than the preset matching degree, unlocking the screen, and setting the image to be matched as a reference image during unlocking.
Further, the processing module 401 is further configured to collect an image including a user fingerprint and the indication icon as a first preset reference image for identifying the indication icon;
when the unlocking event is triggered, if the matching degree of the fingerprint feature information in the acquired fingerprint image and the fingerprint feature information in the second preset reference image is not less than the first preset matching degree, unlocking the screen;
and matching the acquired fingerprint image with the first preset reference image, if the matching degree of the acquired fingerprint image and the first preset reference image is greater than the second preset matching degree, eliminating the indication icon in the acquired fingerprint image according to the image of a preset indication icon, and taking the image without the indication icon as the second preset reference image.
Further, the electronic device further includes:
a mode processing module 402, configured to, after unlocking the screen according to the acquired fingerprint image, predict, in a highlight mode, a next action of the user according to a type of an application that is run or started by a foreground;
judging whether the predicted next action is an action in a white list or not;
if yes, keeping the screen in the highlight mode unchanged;
when the next action of the user is detected, predicting the next action of the user according to the detected next action and the type of the application operated or started by the foreground, and executing the step of judging whether the predicted next action is an action in a white list or not until the screen is controlled to exit the highlight mode if the predicted next action is not the action in the white list
For a specific process of each function module in the electronic device provided in this embodiment to implement each function, please refer to the specific contents described in the embodiments shown in fig. 1 and fig. 3, which is not described herein again.
According to the electronic device provided by the embodiment, when the unlocking event is triggered, whether the indication icon displayed in the screen disappears or not is confirmed, if the indication icon does not disappear, the fingerprint acquisition operation is executed after waiting for the preset time, and if the indication icon disappears, the fingerprint acquisition operation is executed, so that the possibility that the indication icon does not disappear and is acquired into a fingerprint image is greatly reduced, the accuracy of fingerprint acquisition is improved, and after the acquired fingerprint image is learned into the unlocking password, the unlocking safety is improved.
Further, the electronic apparatus described in this embodiment includes: a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the fingerprint acquisition method described in the embodiments of fig. 1 to 3.
The Memory may be a Random Access Memory (RAM) Memory or a non-volatile Memory (non-volatile Memory), such as a disk Memory. The memory is for storing a set of executable program code.
Further, an embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium may be an electronic device configured in the foregoing embodiments, and the computer-readable storage medium may be a storage unit configured in the main control chip and the data acquisition chip in the foregoing embodiments. The computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements the fingerprint acquisition method described in the embodiments of fig. 1 to 3.
For example, the electronic device may be any of various types of computer system apparatuses that are mobile or portable and perform wireless communication. In particular, the electronic apparatus may be a mobile phone or a smart phone (e.g., iPhone (TM) -based phone), a Portable game device (e.g., Nintendo DS (TM), PlayStation Portable (TM), Gameboy Advance (TM), iPhone (TM)), a laptop, a PDA, a Portable internet appliance, a music player and a data storage device, other handheld devices and a head-mounted device (HMD) such as a watch, a headset, a pendant, a headset, etc., and other wearable devices (e.g., electronic glasses, electronic clothes, an electronic bracelet, an electronic necklace, an electronic tattoo, an electronic device, or a smart watch).
The electronic apparatus may also be any of a number of electronic devices including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controllers, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving picture experts group (MPEG-1 or MPEG-2) audio layer 3(MP3) players, portable medical devices, and digital cameras and combinations thereof.
In some cases, the electronic device may perform a variety of functions (e.g., playing music, displaying video, storing pictures, and receiving and sending telephone calls). If desired, the electronic apparatus may be a portable device such as a cellular telephone, media player, other handheld device, wristwatch device, pendant device, earpiece device, or other compact portable device.
As shown in fig. 6, the electronic device 10 may include control circuitry, which may include storage and processing circuitry 30. The storage and processing circuitry 30 may include memory, such as hard drive memory, non-volatile memory (e.g., flash memory or other electronically programmable erase limit memory used to form solid state drives, etc.), volatile memory (e.g., static or dynamic random access memory, etc.), and so forth, although the embodiments of the present application are not limited thereto. Processing circuitry in the storage and processing circuitry 30 may be used to control the operation of the electronic device 10. The processing circuitry may be implemented based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, display driver integrated circuits, and the like.
The storage and processing circuitry 30 may be used to run software within the electronic device 10 such as, for example, an Internet browsing application, a Voice Over Internet Protocol (VOIP) telephone call application, an email application, a media playing application, operating system functions, etc. Such software may be used to perform control operations such as, for example, camera-based image capture, ambient light measurement based on an ambient light sensor, proximity sensor measurement based on a proximity sensor, information display functionality based on status indicators such as status indicator lights of light emitting diodes, touch event detection based on a touch sensor, functionality associated with displaying information on multiple (e.g., layered) displays, operations associated with performing wireless communication functions, operations associated with collecting and generating audio signals, control operations associated with collecting and processing button press event data, and other functions in the electronic device 10, and the like, without limitation of the embodiments of the present application.
The electronic device 10 may also include input-output circuitry 42. The input-output circuitry 42 may be used to enable the electronic device 10 to enable input and output of data, i.e., to allow the electronic device 10 to receive data from external devices and also to allow the electronic device 10 to output data from the electronic device 10 to external devices. The input-output circuitry 42 may further include the sensor 32. The sensors 32 may include ambient light sensors, optical and capacitive based proximity sensors, touch sensors (e.g., optical based touch sensors and/or capacitive touch sensors, where the touch sensors may be part of a touch display screen or may be used independently as a touch sensor structure), acceleration sensors, and other sensors, among others.
Input-output circuitry 42 may also include one or more displays, such as display 14. The display 14 may include one or a combination of liquid crystal displays, organic light emitting diode displays, electronic ink displays, plasma displays, displays using other display technologies. The display 14 may include an array of touch sensors (i.e., the display 14 may be a touch display screen). The touch sensor may be a capacitive touch sensor formed by a transparent touch sensor electrode (e.g., an Indium Tin Oxide (ITO) electrode) array, or may be a touch sensor formed using other touch technologies, such as acoustic wave touch, pressure sensitive touch, resistive touch, optical touch, and the like, and the embodiments of the present application are not limited thereto.
The electronic device 10 may also include an audio component 36. The audio component 36 may be used to provide audio input and output functionality for the electronic device 10. Audio components 36 in electronic device 10 may include speakers, microphones, buzzers, tone generators, and other components for generating and detecting sound.
The communication circuitry 38 may be used to provide the electronic device 10 with the ability to communicate with external devices. The communication circuit 38 may include analog and digital input-output interface circuits, and wireless communication circuits based on radio frequency signals and/or optical signals. The wireless communication circuitry in communication circuitry 38 may include radio-frequency transceiver circuitry, power amplifier circuitry, low noise amplifiers, switches, filters, and antennas. For example, the wireless Communication circuitry in Communication circuitry 38 may include circuitry to support Near Field Communication (NFC) by transmitting and receiving Near Field coupled electromagnetic signals. For example, the communication circuitry 38 may include a near field communication antenna and a near field communication transceiver. The communications circuitry 38 may also include a cellular telephone transceiver and antenna, a wireless local area network transceiver circuit and antenna, and the like.
The electronic device 10 may further include a battery, power management circuitry, and other input-output units 40. The input-output unit 40 may include buttons, joysticks, click wheels, scroll wheels, touch pads, keypads, keyboards, cameras, light emitting diodes and other status indicators, etc.
A user may enter commands through input-output circuitry 42 to control the operation of electronic device 10, and may use output data of input-output circuitry 42 to enable receipt of status information and other outputs from electronic device 10.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a readable storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned readable storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the fingerprint capturing method, the electronic device and the computer readable storage medium provided by the present application, those skilled in the art will recognize that the embodiments of the present application can be modified in various ways, and therefore the present disclosure should not be construed as limited to the embodiments of the present application.
Claims (10)
1. A fingerprint acquisition method, the method comprising:
confirming whether an indication icon displayed in a screen disappears when an unlocking event is triggered, the indication icon being used for indicating a user to place a finger at the indication icon;
if the indication icon does not disappear, after waiting for a preset time, executing fingerprint acquisition operation;
if the indication icon disappears, executing fingerprint acquisition operation;
after waiting for a preset time, after the fingerprint collection operation is executed, the method includes:
identifying whether the acquired fingerprint image contains the indication icon or not according to preset characteristic information of the indication icon;
if the fingerprint image contains the indication icon, after a preset waiting time, executing the fingerprint acquisition operation again, and executing the operation of identifying whether the acquired fingerprint image contains the indication icon or not according to the preset characteristic information of the indication icon until the acquired fingerprint image does not contain the indication icon;
and if the indication icon is not included, matching the fingerprint characteristics of the acquired fingerprint image with preset fingerprint characteristics to unlock the screen.
2. The method of claim 1, wherein before confirming whether the indicator icon displayed in the screen disappears, comprising:
performing fingerprint acquisition operation, acquiring a current fingerprint, and matching fingerprint characteristic information in an acquired fingerprint image with preset fingerprint characteristic information;
if the matching degree of the fingerprint feature information in the acquired fingerprint image and the preset fingerprint feature information is smaller than the preset matching degree, restoring the user fingerprint in the acquired fingerprint image according to the preset feature information of the indication icon to obtain an image to be matched;
matching the fingerprint characteristic information in the image to be matched with the preset fingerprint characteristic information;
if the matching degree of the fingerprint feature information in the image to be matched and the preset fingerprint feature information is smaller than the preset matching degree, executing the step of confirming whether an indication icon displayed in the screen disappears;
and if the matching degree of the fingerprint characteristic information in the image to be matched and the preset fingerprint characteristic information is not less than the preset matching degree, unlocking the screen, and setting the image to be matched as a reference image during unlocking.
3. The method of claim 2, wherein determining whether the indicator icon displayed in the screen disappears specifically comprises:
acquiring the execution time of the fingerprint acquisition operation, the display initial time and the display duration of the indication icon and the residual shadow disappearance time of the indication icon;
judging whether the execution time of the fingerprint acquisition operation is later than the sum of the initial display time, the display duration and the residual image disappearance time of the indication icon;
and if the time is later than the preset time, confirming that the indication icon disappears.
4. The method of claim 2, wherein confirming whether the indicator icon displayed in the screen disappears further comprises:
acquiring the position of the acquired fingerprint in the screen and the position of the indication icon in the screen;
and if the positions of the fingerprint acquired by the fingerprint acquisition operation and the indication icon in the screen are consistent, confirming that the indication icon disappears.
5. The method of claim 2, wherein confirming whether the indicator icon displayed in the screen disappears further comprises:
identifying whether the acquired fingerprint image contains the indication icon or not according to preset characteristic information of the indication icon;
if the indication icon is contained, confirming that the indication icon does not disappear;
and if the indication icon is not included, confirming that the indication icon disappears.
6. The method of claim 1, wherein the method further comprises:
collecting an image containing a user fingerprint and the indication icon as a first preset reference image for identifying the indication icon;
when the unlocking event is triggered, if the matching degree of the fingerprint feature information in the acquired fingerprint image and the fingerprint feature information in the second preset reference image is not less than the first preset matching degree, unlocking the screen;
and matching the acquired fingerprint image with the first preset reference image, if the matching degree of the acquired fingerprint image and the first preset reference image is greater than the second preset matching degree, eliminating the indication icon in the acquired fingerprint image according to the image of a preset indication icon, and taking the image without the indication icon as the second preset reference image.
7. The method of claim 1, wherein the performing the fingerprinting operation is followed by:
after the screen is unlocked according to the acquired fingerprint image, predicting the next action of the user according to the type of the application running or started by the foreground in a highlight mode;
judging whether the predicted next action is an action in a white list or not;
if yes, keeping the screen in the highlight mode unchanged;
and when the next action of the user is detected, predicting the next action of the user according to the detected next action and the type of the application operated or started by the foreground, and executing the step of judging whether the predicted next action is an action in a white list or not until the screen is controlled to exit the highlight mode if the predicted next action is not the action in the white list.
8. An electronic device, comprising:
a confirming module for confirming whether an indication icon displayed in a screen disappears when an unlocking event is triggered, wherein the indication icon is used for indicating a user to place a finger at the indication icon;
the acquisition module is used for executing fingerprint acquisition operation after waiting for preset time if the indication icon does not disappear;
the acquisition module is also used for executing fingerprint acquisition operation if the indication icon disappears;
wherein the electronic device further comprises:
the processing module is used for identifying whether the acquired fingerprint image contains the indication icon or not according to the preset characteristic information of the indication icon;
if the fingerprint image contains the indication icon, after a preset waiting time, executing the fingerprint acquisition operation again, and executing the operation of identifying whether the acquired fingerprint image contains the indication icon or not according to the preset characteristic information of the indication icon until the acquired fingerprint image does not contain the indication icon;
and if the indication icon is not included, matching the fingerprint characteristics of the acquired fingerprint image with preset fingerprint characteristics to unlock the screen.
9. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the fingerprint acquisition method according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the fingerprint acquisition method according to any one of claims 1 to 7.
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