CN107194228B - Unlocking control method and related product - Google Patents
Unlocking control method and related product Download PDFInfo
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- CN107194228B CN107194228B CN201710302809.3A CN201710302809A CN107194228B CN 107194228 B CN107194228 B CN 107194228B CN 201710302809 A CN201710302809 A CN 201710302809A CN 107194228 B CN107194228 B CN 107194228B
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- display screen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1382—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
Abstract
The embodiment of the invention discloses an unlocking control method and a related product, wherein the method comprises the following steps: the method comprises the steps that when a touch display screen of the mobile terminal is in a screen-off state, touch operation aiming at a fingerprint identification module is detected; the method comprises the following steps that when a touch position corresponding to touch operation is located in a preset response area of a fingerprint identification module, a fingerprint identification module of the mobile terminal collects a fingerprint image; and judging whether a touch object corresponding to the touch operation is a real finger or not by the application processor of the mobile terminal according to the fingerprint image, and if so, lightening the touch display screen. By adopting the embodiment of the invention, the accuracy and the safety of lighting the touch display screen by the mobile terminal can be improved.
Description
Technical Field
The invention relates to the field of mobile terminals, and mainly relates to an unlocking control method and a related product.
Background
With the continuous development of mobile terminal technology, the use of mobile terminals such as mobile phones and the like is more and more popular, the existing mobile terminals are widely applied with touch display screens for inputting to replace the traditional key input, and the touch display screen input has become the most important input mode of the mobile terminals.
In the prior art, in a black screen state, a user may light up a touch display screen by touching the touch display screen. However, the method is prone to misoperation, which causes the mobile terminal to be frequently responded after the screen is turned off, thereby wasting electric quantity. The method is easy to crack, so that the safety of the mobile terminal is low.
Disclosure of Invention
The embodiment of the invention provides an unlocking control method and a related product, which are used for solving the technical problems of electric quantity waste and low safety caused by the fact that a touch display screen is easy to be operated by mistake.
In a first aspect, an embodiment of the present invention provides a mobile terminal, including: application processor, touch-control display screen and fingerprint identification module, wherein:
the touch display screen is used for detecting touch operation aiming at the fingerprint identification module when the touch display screen is in a screen-off state;
the fingerprint identification module is used for collecting a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
and the application processor is used for judging whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image, and if so, lightening the touch display screen.
In a second aspect, an embodiment of the present invention provides an unlocking control method, including: the method comprises the following steps of applying a processor, a touch display screen and a fingerprint identification module, wherein the method comprises the following steps:
when the mobile terminal controls the touch display screen to be in a screen-off state, detecting touch operation aiming at the fingerprint identification module;
the mobile terminal controls the fingerprint identification module to collect a fingerprint image when a touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
and the mobile terminal judges whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image through the application processor, and if so, the touch display screen is lightened.
In a third aspect, an embodiment of the present invention provides a mobile terminal, including: the system comprises an application processor, a touch display screen, a fingerprint identification module and a memory; and one or more programs;
the one or more programs are stored in the memory and configured to be executed by the application processor, the programs including instructions for performing the steps of:
when the touch display screen is controlled to be in a screen-off state, detecting touch operation aiming at the fingerprint identification module;
controlling the fingerprint identification module to collect a fingerprint image when a touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
and judging whether a touch object corresponding to the touch operation is a real finger or not through the application processor according to the fingerprint image, and if so, lightening the touch display screen.
In a fourth aspect, an embodiment of the present invention provides an unlocking control apparatus, where the apparatus has a function of implementing a behavior of a mobile terminal in the above method design. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions.
In a fifth aspect, the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps described in the second aspect of the present invention.
In a sixth aspect, embodiments of the present invention provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the second aspect of embodiments of the present invention. The computer program product may be a software installation package.
In the embodiment of the invention, when the touch display screen of the mobile terminal is in the screen-off state, the touch display screen detects the touch operation aiming at the fingerprint identification module, and the fingerprint image is collected only when the fingerprint identification module of the mobile terminal determines that the touch position of the touch operation is located in the preset response area of the fingerprint identification module, so that the condition that the user mistakenly triggers the fingerprint identification module to collect the fingerprint data aiming at the touch operation of the area except the preset response area can be avoided. And only when the application processor of the mobile terminal judges that the touch object corresponding to the acquired fingerprint image is a real finger, the touch display screen is lightened, so that the accuracy and the safety of lightening the touch display screen by the mobile terminal are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a scene schematic diagram of an unlocking control method of a mobile terminal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a pressure test area of a fingerprint image according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another mobile terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another mobile terminal according to an embodiment of the present invention;
fig. 6 is a scene schematic diagram of another unlocking control method for a mobile terminal according to an embodiment of the present invention;
fig. 7 is a schematic flowchart of an unlocking control method according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an unlocking control device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another mobile terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The Mobile terminal according to the embodiment of the present invention may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, and various forms of User Equipment (UE), Mobile Stations (MS), terminal devices (terminal device), and the like, which have wireless communication functions. For convenience of description, the above-mentioned devices are collectively referred to as a mobile terminal. The following describes embodiments of the present invention in detail.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a mobile terminal 100 according to an embodiment of the present invention, where the mobile terminal 100 includes: application processor 110, touch-control display screen 120, fingerprint identification module 130, application processor 110 passes through bus 140 and connects touch-control display screen 120 and fingerprint identification module 130, wherein:
in this embodiment, the touch display screen 120 is configured to detect a touch operation of the fingerprint identification module 130 when the touch display screen 120 is in a screen-off state.
After the mobile terminal 100 is powered on, the touch display screen 120 is roughly divided into a screen-on state and a screen-off state according to screen brightness, generally, when the user starts the mobile terminal 100, the touch display screen 120 is turned on first, and when the user does not perform any operation on the mobile terminal 100 within a preset time period, the touch display screen 120 is turned off automatically. That is, when the touch display screen 120 is in a bright screen state, the user may perform an operation by touching the touch display screen 120; when the touch display screen 120 is in the off-screen state, the mobile terminal 100 is in a waiting state for receiving an instruction, for example, receiving a notification message such as a short message, a WeChat, an incoming call, a push message of application software, or the like, or responding to a button such as an on-key, a back key, a voice key, or the like.
In this embodiment, the fingerprint identification module 130 is configured to collect a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module 130. The condition that the user triggers the fingerprint identification module 130 to collect fingerprint data by mistake aiming at the touch operation of the area except the preset response area can be avoided, so that the accuracy of lighting the touch display screen 120 by the mobile terminal 100 is improved.
The fingerprint identification module 130 may be a dedicated fingerprint identification key, may also be an original button of the mobile terminal 100, and may also be a certain area or all areas of the touch display screen 120, and the specific location is not uniquely defined in this embodiment.
The preset response area may be any one preset area of the fingerprint identification module 130, and the preset area may be located on the left side, the upper side, the lower side, the middle side, the right side, and the like of the fingerprint identification module 130, as shown in fig. 2, located on the middle upper side of the fingerprint identification module 130, which is not limited in the embodiment of the present invention.
Optionally, the fingerprint identification module 130 is configured to: and controlling the fingerprint identification module 130 to collect the fingerprint image according to the corresponding part of the preset response area. For example, when the finger is placed above the fingerprint identification module 130, the fingerprint identification module 130 detects the touch operation, and the touch display screen 120 enters the interrupt state, collects the fingerprint image on the fingerprint identification module 130 corresponding to the preset response area through digital-to-analog conversion in a timer timing manner, and only when the touch operation is finished and the collection of the fingerprint image is completed, releases the interrupt.
In this embodiment, the application processor 110 determines whether the touch object corresponding to the touch operation is a real finger according to the fingerprint image, and lights the touch display screen 120 if the touch object corresponding to the touch operation is a real finger.
In order to improve the safety of the mobile terminal 100 in lighting the touch display screen 120, the touch display screen 120 is only lighted when the touch object is a real finger. For example, as shown in the scene diagram of fig. 2, when the mobile terminal is in the screen-off state, the user touches the touch display screen 120, the mobile terminal 110 detects a touch operation on the fingerprint identification module 130, and a touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module 130, then a fingerprint image is collected, it is determined that a touch object corresponding to the touch operation is a real finger through the fingerprint image, and the touch display screen 120 is lit.
Optionally, the application processor 110 is specifically configured to: positioning an origin point on the fingerprint image, and determining a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure values of the test points farther from the origin are smaller. That is to say, when the touch screen is pressed by a finger, the pressure value of the center of the finger in the collected fingerprint image is greater than the pressure value of the edge of the finger, so as to determine whether the touch position corresponding to the touch operation is a real finger, thereby improving the safety of the mobile terminal 100 lighting the touch display screen 120.
For example, as shown in fig. 3, in a schematic diagram for determining a true finger or a false finger according to a fingerprint image, the fingerprint image is divided into an area (white portion) where an origin is located, a first test area (gray portion), and a second test area (black portion) with the origin as a center, a pressure value of one test point is obtained in the three areas, and if the pressure value of the origin is a reference value, a pressure value of a first test point in the first test area is a first pressure value, and a pressure value of a second test point in the second test area is a second pressure value, when the reference value is greater than the first pressure value, and the first pressure value is greater than the second pressure value, it is determined that a touch object of a touch operation corresponding to the fingerprint image is a true finger, so as to light the touch display screen 120, and improve the security of the mobile terminal 100 for lighting the touch display screen 120.
In one possible example, the touch display screen 120 includes a touch screen and a display screen, the touch screen and the display screen are stacked, and the display screen is disposed on the lower side of the touch screen. Fingerprint identification module 130 includes fingerprint Sensor, wherein, fingerprint Sensor includes following at least one: optical fingerprint sensors, capacitive fingerprint sensors, inductive fingerprint sensors, and ultrasonic fingerprint sensors, etc.
When the fingerprint Sensor is a capacitive fingerprint Sensor and the touch screen of the touch display screen 120 is a capacitive touch screen, the specific representation form of the fingerprint identification module 130 combined to the touch display screen 120 may be, for example: the fingerprint identification module 130 is integrated into the touch screen of the touch display screen 120, specifically, the first sensing capacitor array of the fingerprint identification module 130 may be embedded into the second sensing capacitor array of the touch screen, and the sensing capacitors in the first sensing capacitor array are uniformly distributed in the first area.
When the fingerprint Sensor is an inductive fingerprint Sensor and the touch screen of the touch display screen 120 is inductive, the fingerprint identification module 130 may be combined to the touch display screen 120 in a specific expression form, for example: the fingerprint identification module 130 is integrated into the touch screen of the touch display screen 120, specifically, the first sensing capacitor array of the fingerprint identification module 130 may be embedded into the second sensing capacitor array of the touch screen, and the sensing capacitors in the first sensing capacitor array are uniformly distributed in the first area.
When the fingerprint Sensor is an optical fingerprint Sensor, the specific representation form of the fingerprint identification module 130 combined to the touch display screen 120 may be, for example: fingerprint identification module 130 is integrated extremely in the touch-control display screen 120, and user's fingerprint data is gathered based on aperture imaging principle to mobile terminal 100's fingerprint identification module 130, the wall between touch-control display screen 120's the touch-control screen and the display screen is provided with first aperture array layer, the drive circuit layer of display screen forms evenly distributed's aperture array when the printing, and evenly distributed's aperture array is as second aperture array layer on this drive circuit layer, just the light trap in the first aperture array layer with the light trap one-to-one in the second aperture array layer, optics fingerprint Sensor includes charge coupler CCD array layer, CCD array layer is used for surveying and sees through the light on first aperture array layer with second aperture array layer.
When the fingerprint Sensor is an ultrasonic fingerprint Sensor, the fingerprint identification module 130 is combined to the touch display screen 120 in a specific expression form, for example, that: the medial surface of touch-control display screen 120 is provided with the vacuum detection cavity, a plurality of ultrasonic sensor of evenly having arranged in the vacuum detection cavity, ultrasonic sensor includes ultrasonic signal transmitter and ultrasonic signal receiver, and ultrasonic signal transmitter is used for launching the signal of specific frequency and surveys user's fingerprint, and ultrasonic signal receiver is used for receiving the echo signal of reflection back. The working principle of the ultrasonic sensor is that the ultrasonic wave has the capacity of penetrating through materials, and echoes with different sizes are generated along with different materials (when the ultrasonic wave reaches the surfaces of different materials, the ultrasonic wave is absorbed, penetrated and reflected to different degrees), so that the positions of ridges and valleys of a fingerprint surface of a user can be distinguished.
The touch Display screen 120 may be a Thin Film Transistor-Liquid Crystal Display (TFT-LCD), a Light Emitting Diode (LED) Display screen, an Organic Light Emitting Diode (OLED) Display screen, or the like.
In one possible example, as shown in fig. 4, the mobile terminal 100 further includes a display screen Micro Controller Unit (MCU) 150, and the display screen MCU150 is coupled to the touch display screen 120;
the application processor 110 is further configured to notify the display screen MCU150 to match the fingerprint image with a preset fingerprint template; and when the fingerprint image is successfully matched with the preset fingerprint template, carrying out fingerprint unlocking operation. The display screen MCU150 of the mobile terminal can cooperate with the application processor 110 to process fingerprint data identification processing and lighting operations in the unlocking control process, thereby avoiding the situations of long time consumption and low efficiency in processing all operations by the application processor 110, and facilitating to improve the processing efficiency of the mobile terminal 100 in executing the unlocking control process.
In one possible example, as shown in fig. 5, the mobile terminal 100 further includes a memory 160, where the memory 160 stores an Android system and a screen locking application, and the Android system includes a fingerprint service FingerService and a power management service PMS; wherein the application processor 110 is connected to the memory 160 through the bus 140.
In terms of the application processor 110 notifying the display screen MCU150 to perform the fingerprint unlocking operation, the application processor 110 is specifically configured to: and calling the FingerService to match the fingerprint data with fingerprint template data preset in the mobile terminal 100, calling the PMS to light the whole touch display screen 120 when the matching is successful, and calling the screen locking application to release a screen locking interface. Since the application processor 110 of the mobile terminal 100 wakes up the PMS before the touch display screen 120 is lit, the AP may light up the entire touch display screen through the PMS without waking up the PMS again when the subsequent fingerprint data matching is successful, thereby saving the operation time required for waking up the PMS. The speed of unlocking the bright screen fingerprint by touching the preset response area by the user is improved.
Optionally, the display screen MCU150 determines a target application according to the touch operation; and carrying out fingerprint unlocking operation on the target application, and entering a specified page of the target application. The preset response area may be associated with the target application, that is, different preset response areas correspond to different target applications, when the fingerprint image is successfully matched with the preset fingerprint template, the mobile terminal 100 is unlocked, and the touch display screen 120 displays a designated page of the target application in the preset response area corresponding to the touch operation.
In combination with a specific embodiment, as shown in the scene diagram shown in fig. 6, it is assumed that the preset response area is divided into a first preset response area, a second preset response area, and a third preset response area, and the first preset response area, the second preset response area, and the third preset response area correspond to the first target application, the second target application, and the third target application, respectively. When the user finger performs touch operation on the first preset response area, the touch object corresponding to the touch operation is judged to be a real finger through the fingerprint image, and the fingerprint image is successfully matched with the preset fingerprint template, the mobile terminal is successfully unlocked, and the touch display screen displays the specified page of the first target application.
Furthermore, different target applications can be unlocked according to the fingerprint images due to different user authorities of the different target applications. The method specifically comprises the following steps: determining a fingerprint unlocking threshold corresponding to the target application; and judging whether the matching value between the fingerprint image and the preset fingerprint template is greater than or equal to the fingerprint unlocking threshold value, if so, confirming that the fingerprint image is successfully matched with the preset fingerprint template.
In one particular embodiment, assume that there are two users, where a first user has permission to view the privacy of the user and a second user does not. As shown in the scene diagram of fig. 6, it is assumed that the preset response area is divided into a first preset response area, a second preset response area and a third preset response area, and the first preset response area, the second preset response area and the third preset response area correspond to the first target application, the second target application and the third target application respectively. Assuming that the first target application relates to user privacy, and the second target application and the third target application do not relate to user privacy, when the first user finger performs touch operation on the first preset response area, the touch object corresponding to the touch operation is judged to be a real finger through the fingerprint image, the user is known to have the permission of checking the user privacy according to the fingerprint image of the first user, the mobile terminal is unlocked successfully, and the touch display screen displays the designated page of the first target application. And when the second user finger performs touch operation on the first preset response area, judging that a touch object corresponding to the touch operation is a real finger through the fingerprint image, and knowing that the user does not have the permission of checking the privacy of the user according to the fingerprint image of the second user, the mobile terminal is successfully unlocked, but the second user cannot check the specified page of the first target application.
In addition, some functions of the target application can be verified, for example, the photographing application is divided into photo album viewing and photographing, a general user has the authority of the photographing function, and a designated user has the authority of the photo album viewing function; the chat application is divided into chat and transfer functions, wherein a general user has the authority of the chat function, and an appointed user has the authority of the transfer function; the shopping application is divided into browsing and shopping functions, wherein a general user has the authority of the browsing function, and a designated user has the authority of the shopping function, and the like. And determining the authority of the target application according to the matching value between the fingerprint image and the preset fingerprint template, and further protecting the privacy of the user, so that the safety of the mobile terminal is improved.
Optionally, when the unlocking fails, unlocking verification cannot be performed within a preset time length, and a prompt message is sent to the bound account, so that the security of the mobile terminal is improved.
At the mobile terminal that figure 1 described, be in the screen state of disappearing when mobile terminal's touch display screen, the touch display screen detects the touch operation to the fingerprint identification module, and only when the fingerprint identification module of mobile terminal confirmed the touch position of touch operation and is located the response area of predetermineeing of fingerprint identification module, just can gather the fingerprint image, so can avoid the user to take place to the condition that the fingerprint identification module gathered the fingerprint data to the touch operation mistake trigger fingerprint identification module in the region except that predetermineeing the response area. And only when the application processor of the mobile terminal judges that the touch object corresponding to the acquired fingerprint image is a real finger, the touch display screen is lightened, so that the accuracy and the safety of lightening the touch display screen by the mobile terminal are improved.
Referring to fig. 7, fig. 7 is a schematic flowchart illustrating an unlocking control method according to an embodiment of the present invention, and the unlocking control method is applied to an application processor, a touch display screen, and a fingerprint identification module. As shown in fig. 7, the unlock control method includes:
s102, when the mobile terminal controls the touch display screen to be in a screen-off state, touch operation aiming at the fingerprint identification module is detected.
And S104, the mobile terminal controls the fingerprint identification module to collect a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module.
Optionally, the mobile terminal controls the fingerprint identification module to collect the fingerprint image according to the part corresponding to the preset response area.
And S106, the mobile terminal judges whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image through the application processor, and if so, the touch display screen is lightened.
Optionally, the mobile terminal locates an origin on the fingerprint image through the application processor, and determines a plurality of test points according to the location of the origin; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure values of the test points farther from the origin are smaller.
In the unlocking control method described in fig. 7, when the touch display screen of the mobile terminal is in the screen-off state, the touch display screen detects the touch operation of the fingerprint identification module, and only when the fingerprint identification module of the mobile terminal determines that the touch position of the touch operation is located in the preset response area of the fingerprint identification module, the fingerprint image is collected, so that the situation that the user mistakenly triggers the fingerprint identification module to collect the fingerprint data according to the touch operation of the area except the preset response area can be avoided. And only when the application processor of the mobile terminal judges that the touch object corresponding to the acquired fingerprint image is a real finger, the touch display screen is lightened, so that the accuracy and the safety of lightening the touch display screen by the mobile terminal are improved.
The unlocking control method is also applied to a display screen micro control unit MCU and a mobile terminal of a memory, wherein the memory stores an Android system and a screen locking application, the Android system comprises a fingerprint service FingerService and a power management service PMS, and the method comprises the following steps:
optionally, the mobile terminal notifies the display screen MCU through the application processor to match the fingerprint image with a preset fingerprint template; the display screen MCU matches the fingerprint image with the preset fingerprint template, and when the fingerprint image is successfully matched with the preset fingerprint template, the mobile terminal performs fingerprint unlocking operation. That is to say, when the fingerprint image is successfully matched with the preset fingerprint template, the mobile terminal is successfully unlocked, and the safety of the mobile terminal can be further improved.
Optionally, the fingerprint unlocking operation performed by the mobile terminal includes: the mobile terminal determines a target application through the application processor according to the touch operation; the mobile terminal informs the display screen MCU through the application processor to perform fingerprint unlocking operation further comprises: and the mobile terminal informs the display screen MCU of fingerprint unlocking operation on the target application through the application processor and enters a designated page of the target application. That is to say, different preset response areas correspond to different target applications, when the fingerprint image is successfully matched with the preset fingerprint template, the mobile terminal is unlocked, and the touch display screen displays the designated page of the target application of the preset response area corresponding to the touch operation.
Optionally, the mobile terminal invokes the FingerService through the application processor to determine a fingerprint unlocking threshold corresponding to the target application; the mobile terminal judges whether the matching value between the fingerprint image and the preset fingerprint template is larger than or equal to the fingerprint unlocking threshold value, if so, the PMS is called to lighten the whole touch display screen, and the screen locking application is called to unlock the screen locking interface.
Referring to fig. 8, fig. 8 is a mobile terminal 600 according to an embodiment of the present invention, which includes an application processor 601, a touch display screen 602, a fingerprint identification module 603, and a memory 604; and one or more programs;
the one or more programs are stored in the memory 604 and configured to be executed by the application processor 601, the programs including instructions for performing the steps of:
when the touch display screen 602 is controlled to be in a screen-off state, detecting a touch operation for the fingerprint identification module 603;
controlling the fingerprint identification module 603 to collect a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module 603;
and judging whether the touch object corresponding to the touch operation is a real finger or not through the application processor 601 according to the fingerprint image, and if so, lighting the touch display screen 602.
In one possible example, in said aspect of controlling the fingerprint recognition module 603 to collect a fingerprint image, the instructions in the program are specifically configured to perform the following steps: and controlling the fingerprint identification module 603 to collect the fingerprint image according to the part corresponding to the preset response area.
In one possible example, in terms of determining, by the application processor 601, whether a touch object corresponding to the touch operation is a true finger according to the fingerprint image, the instructions in the program are specifically configured to perform the following steps: positioning an origin point on the fingerprint image through the application processor 601, and determining a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure values of the test points farther from the origin are smaller.
In one possible example, the mobile terminal further comprises a display screen Micro Control Unit (MCU); in the aspect of illuminating, by the application processor, the touch display screen, the program further includes instructions for: the application processor informs the display screen MCU of fingerprint unlocking operation; and controlling the display screen MCU to determine a target application according to the touch operation, matching the fingerprint image with a preset fingerprint template of the target application, and entering an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template.
In one possible example, the memory stores an Android system and a screen locking application, wherein the Android system comprises a fingerprint service FingerService and a power management service PMS; in the aspect of notifying the display screen MCU to perform the fingerprint unlocking operation through the application processor, the instructions in the program are specifically configured to perform the following steps: calling the fingerService by the application processor to determine a fingerprint unlocking threshold corresponding to the target application; judging whether the matching value between the fingerprint image and the preset fingerprint template is larger than or equal to the fingerprint unlocking threshold value or not, if so, confirming that the fingerprint image is successfully matched with the preset fingerprint template, calling the PMS to light the whole touch display screen, and calling the screen locking application to unlock a screen locking interface.
At the mobile terminal that figure 8 described, be in the screen state of disappearing when mobile terminal's touch display screen, the touch display screen detects the touch operation to the fingerprint identification module, and only when the fingerprint identification module of mobile terminal confirmed the touch position of touch operation and is located the response area of predetermineeing of fingerprint identification module, just can gather the fingerprint image, so can avoid the user to take place to the condition that the fingerprint identification module gathered the fingerprint data to the touch operation mistake trigger fingerprint identification module in the region except that predetermineeing the response area. And only when the application processor of the mobile terminal judges that the touch object corresponding to the acquired fingerprint image is a real finger, the touch display screen is lightened, so that the accuracy and the safety of lightening the touch display screen by the mobile terminal are improved.
Referring to fig. 9, fig. 9 is a schematic structural diagram of an unlocking control device according to the present embodiment, and the unlocking control device is applied to an application processor, a touch display screen, and a fingerprint identification module. As shown in fig. 9, the unlock control device 700 includes a detection module 702, an acquisition module 704, a determination module 706, and a lighting module 708, wherein,
a detection module 702, configured to detect a touch operation on the fingerprint identification module when the mobile terminal controls the touch display screen to be in a screen-off state;
the acquisition module 704 is used for acquiring a fingerprint image when the mobile terminal controls the fingerprint identification module to acquire the fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
a determining module 706, configured to determine, by the mobile terminal, whether a touch object corresponding to the touch operation is a real finger according to the fingerprint image through the application processor;
a lighting module 708, configured to light the touch display screen when the mobile terminal determines that the determination module is yes through the application processor.
In one possible example, the acquisition module 704 is specifically configured to perform the following steps: and the mobile terminal controls the fingerprint identification module to collect the fingerprint image according to the part corresponding to the preset response area.
In one possible example, the determining module 706 is specifically configured to perform the following steps: the mobile terminal positions an origin point on the fingerprint image through the application processor, and determines a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure values of the test points farther from the origin are smaller.
The unlocking controller device 700 is further applied to a mobile terminal with a display screen Micro Control Unit (MCU) and a memory, wherein the memory stores an Android system and a screen locking application, the Android system comprises a fingerprint service FingerService and a Power Management Service (PMS), and the unlocking controller device comprises:
in one possible example, the apparatus further includes an unlocking module 710, configured to notify, by the mobile terminal through the application processor, the display screen MCU to perform a fingerprint unlocking operation; and the display screen MCU is used for determining a target application according to the touch operation, matching the fingerprint image with a preset fingerprint template of the target application, and entering an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template.
In one possible example, the unlocking module 710 is further configured to perform the following steps: the mobile terminal calls the fingerService through the display screen MCU to determine a fingerprint unlocking threshold corresponding to the target application; the mobile terminal judges whether the matching value between the fingerprint image and the preset fingerprint template is larger than or equal to the fingerprint unlocking threshold value, if so, the PMS is called to lighten the whole touch display screen, and the screen locking application is called to unlock the screen locking interface.
At mobile terminal's that fig. 9 described controlling means, the touch-control display screen that is in when mobile terminal is in the screen state of disappearing, the touch-control display screen detects the touch operation to the fingerprint identification module, and only when the touch position that the fingerprint identification module of mobile terminal confirmed touch operation was located the response area of presetting of fingerprint identification module, just can gather the fingerprint image, so can avoid the user to take place to the condition that sets up fingerprint identification module collection fingerprint data to the touch operation mistake trigger fingerprint identification module in the region except that the response area of presetting. And only when the application processor of the mobile terminal judges that the touch object corresponding to the acquired fingerprint image is a real finger, the touch display screen is lightened, so that the accuracy and the safety of lightening the touch display screen by the mobile terminal are improved.
As shown in fig. 10, for convenience of description, only the parts related to the embodiment of the present invention are shown, and details of the specific technology are not disclosed, please refer to the method part in the embodiment of the present invention. The mobile terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a vehicle-mounted computer, and the like, taking the mobile terminal as the mobile phone as an example:
fig. 10 is a block diagram showing a partial structure of a cellular phone related to a mobile terminal provided by an embodiment of the present invention. Referring to fig. 10, the cellular phone includes: radio Frequency (RF) circuit 910, memory 920, input unit 930, sensor 950, audio circuit 960, Wireless Fidelity (WiFi) module 970, application processor 980, and power supply 990. Those skilled in the art will appreciate that the handset configuration shown in fig. 8 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 10:
the input unit 930 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 930 may include a touch display 933, a fingerprint recognition module 931 and other input devices 932. The fingerprint identification module 931 is coupled to the touch display screen 933, and the fingerprint identification area of the fingerprint identification module 931 is located in the first area of the touch display screen 933. The input unit 930 may also include other input devices 932. In particular, other input devices 932 may include, but are not limited to, one or more of physical keys, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like. The touch display screen 933 is used for detecting touch operation on the fingerprint identification module 931 when the touch display screen 933 is in a screen-off state; the fingerprint identification module 931 is configured to collect a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module 931; the application processor 980 is configured to determine whether a touch object corresponding to the touch operation is a real finger according to the fingerprint image, and if so, light up the touch display screen 933.
The application processor 980 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 920 and calling data stored in the memory 920, thereby integrally monitoring the mobile phone. Optionally, the applications processor 980 may include one or more processing units; preferably, the application processor 980 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the applications processor 980.
The memory 920 may be used to store an Android system including a fingering service, a power management service PMS, and a lock screen application. Further, the memory 920 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The handset may also include at least one sensor 950, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the touch display screen according to the brightness of ambient light, and the proximity sensor may turn off the touch display screen and/or the backlight when the mobile phone moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 970, and provides wireless broadband Internet access for the user. Although fig. 10 shows the WiFi module 970, it is understood that it does not belong to the essential constitution of the handset, and can be omitted entirely as needed within the scope not changing the essence of the invention.
The handset also includes a power supply 990 (e.g., a battery) for supplying power to the various components, and preferably, the power supply may be logically connected to the application processor 980 via a power management system, so that functions such as managing charging, discharging, and power consumption may be performed via the power management system.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
In the embodiment shown in fig. 7, the method flow of each step may be implemented based on the structure of the mobile phone.
In the embodiment shown in fig. 9, the functions of the units can be implemented based on the structure of the mobile phone.
An embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the unlocking control methods described in the above method embodiments.
Embodiments of the present invention also provide a computer program product including a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform part or all of the steps of any one of the unlock control methods as recited in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. 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 by the invention.
In the foregoing 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 the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be 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 of some interfaces, devices or units, and may be an electric or other form.
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 units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A mobile terminal, comprising: application processor, touch-control display screen and fingerprint identification module, its characterized in that, wherein:
the touch display screen is used for detecting touch operation aiming at the fingerprint identification module when the touch display screen is in a screen-off state;
the fingerprint identification module is used for collecting a fingerprint image when the touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
the application processor is used for judging whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image, and if so, lightening the touch display screen;
the application processor is specifically configured to: positioning an origin point on the fingerprint image, and determining a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure value of the test point which is farther away from the original point is smaller;
the mobile terminal also comprises a display screen micro control unit MCU; the application processor is also used for informing the display screen MCU to carry out fingerprint unlocking operation; the display screen MCU is used for determining a target application according to the touch operation, matching the fingerprint image with a preset fingerprint template of the target application, and entering an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template;
determining the authority of the target application according to the matching value between the fingerprint image and the preset fingerprint template;
the preset response areas are associated with the target applications, and different preset response areas correspond to different target applications.
2. The mobile terminal of claim 1, wherein the fingerprint identification module is specifically configured to: and controlling the fingerprint identification module corresponding to the preset response area to collect the fingerprint image.
3. The mobile terminal according to any one of claims 1 or 2, wherein the mobile terminal further comprises a memory, the memory stores Android system and screen locking application, the Android system comprises fingerprint service FingerService and power management service PMS;
the display screen MCU is specifically used for: calling the fingerService to determine a fingerprint unlocking threshold corresponding to the target application; and judging whether the matching value between the fingerprint image and the preset fingerprint template is greater than or equal to the fingerprint unlocking threshold value, if so, calling the PMS to lighten the whole touch display screen, and calling the screen locking application to remove a screen locking interface.
4. An unlocking control method is applied to a mobile terminal comprising an application processor, a touch display screen and a fingerprint identification module, and is characterized by comprising the following steps:
when the mobile terminal controls the touch display screen to be in a screen-off state, detecting touch operation aiming at the fingerprint identification module;
the mobile terminal controls the fingerprint identification module to collect a fingerprint image when a touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
the mobile terminal judges whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image through the application processor, and if so, the touch display screen is lightened;
the step of judging whether the touch object corresponding to the touch operation is a real finger or not by the mobile terminal through the application processor according to the fingerprint image comprises the following steps: the mobile terminal positions an origin point on the fingerprint image through the application processor, and determines a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, the mobile terminal determines that the touch object corresponding to the touch operation is a real finger, and the preset rule is as follows: the pressure value of the test point which is farther away from the original point is smaller;
the mobile terminal also comprises a display screen micro control unit MCU; after the mobile terminal illuminates the touch display screen through the application processor, the method further includes: the mobile terminal informs the display screen MCU to carry out fingerprint unlocking operation through the application processor; the mobile terminal controls the display screen MCU to determine a target application according to the touch operation, matches the fingerprint image with a preset fingerprint template of the target application, and enters an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template;
determining the authority of the target application according to the matching value between the fingerprint image and the preset fingerprint template;
the preset response areas are associated with the target applications, and different preset response areas correspond to different target applications.
5. The method according to claim 4, wherein the controlling the fingerprint recognition module to capture the fingerprint image by the mobile terminal comprises:
and the mobile terminal controls the fingerprint identification module corresponding to the preset response area to collect the fingerprint image.
6. The method according to any one of claims 4 or 5, wherein the mobile terminal further comprises a memory, wherein the memory stores Android system and screen locking application, the Android system comprises fingerprint service FingerService and power management service PMS;
the mobile terminal calls the fingerService through the display screen MCU to determine a fingerprint unlocking threshold corresponding to the target application;
the mobile terminal judges whether the matching value between the fingerprint image and the preset fingerprint template is larger than or equal to the fingerprint unlocking threshold value, if so, the PMS is called to lighten the whole touch display screen, and the screen locking application is called to unlock the screen locking interface.
7. A mobile terminal, comprising: the system comprises an application processor, a touch display screen, a fingerprint identification module and a memory; it is characterized by also comprising: and one or more programs;
the one or more programs are stored in the memory and configured to be executed by the application processor, the programs including instructions for performing the steps of:
when the touch display screen is controlled to be in a screen-off state, detecting touch operation aiming at the fingerprint identification module; controlling the fingerprint identification module to collect a fingerprint image when a touch position corresponding to the touch operation is located in a preset response area of the fingerprint identification module;
judging whether a touch object corresponding to the touch operation is a real finger or not according to the fingerprint image through the application processor, and if so, lightening the touch display screen;
the application processor is specifically configured to: positioning an origin point on the fingerprint image, and determining a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure value of the test point which is farther away from the original point is smaller;
the mobile terminal also comprises a display screen micro control unit MCU; the application processor is also used for informing the display screen MCU to carry out fingerprint unlocking operation; the display screen MCU is used for determining a target application according to the touch operation, matching the fingerprint image with a preset fingerprint template of the target application, and entering an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template;
determining the authority of the target application according to the matching value between the fingerprint image and the preset fingerprint template;
the preset response areas are associated with the target applications, and different preset response areas correspond to different target applications.
8. The utility model provides an unblock controlling means is applied to the mobile terminal including application processor, touch-control display screen and fingerprint identification module, its characterized in that, the device includes:
the detection module is used for detecting the touch operation aiming at the fingerprint identification module when the mobile terminal controls the touch display screen to be in a screen-off state;
the acquisition module is used for acquiring a fingerprint image when the mobile terminal controls the fingerprint identification module to locate the touch position corresponding to the touch operation in a preset response area of the fingerprint identification module;
the judging module is used for judging whether a touch object corresponding to the touch operation is a real finger or not by the mobile terminal through the application processor according to the fingerprint image;
the lighting module is used for lighting the touch display screen by the mobile terminal when the judgment module judges that the mobile terminal is the mobile terminal;
the application processor is specifically configured to: positioning an origin point on the fingerprint image, and determining a plurality of test points according to the position of the origin point; when the pressure values of all the test points in the plurality of test points accord with a preset rule, determining that the touch object corresponding to the touch operation is a real finger, wherein the preset rule is as follows: the pressure value of the test point which is farther away from the original point is smaller;
the mobile terminal also comprises a display screen micro control unit MCU; the application processor is also used for informing the display screen MCU to carry out fingerprint unlocking operation; the display screen MCU is used for determining a target application according to the touch operation, matching the fingerprint image with a preset fingerprint template of the target application, and entering an appointed page of the target application when the fingerprint image is matched with the preset fingerprint template;
determining the authority of the target application according to the matching value between the fingerprint image and the preset fingerprint template;
the preset response areas are associated with the target applications, and different preset response areas correspond to different target applications.
9. A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 4-6.
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| CN108549498B (en) * | 2018-03-19 | 2023-07-25 | 努比亚技术有限公司 | Fingerprint-based operation control method, mobile terminal, and computer-readable storage medium |
| CN116861392A (en) * | 2018-03-26 | 2023-10-10 | 华为技术有限公司 | Fingerprint unlocking method and terminal |
| CN110348191B (en) * | 2018-04-04 | 2022-10-25 | 敦泰电子有限公司 | Fingerprint unlocking method, device and system and electronic equipment |
| CN108762564B (en) * | 2018-05-30 | 2022-01-11 | 维沃移动通信有限公司 | Operation control method and terminal equipment |
| CN109543574B (en) * | 2018-11-08 | 2023-09-19 | Oppo广东移动通信有限公司 | Fingerprint acquisition method and related equipment |
| CN109543380B (en) * | 2018-11-22 | 2021-07-09 | Oppo广东移动通信有限公司 | Unlocking control method and electronic device |
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| CN110276187B (en) * | 2019-06-26 | 2022-01-18 | Oppo广东移动通信有限公司 | Control method, electronic device, and non-volatile computer-readable storage medium |
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