WO2019157804A1 - 指纹解锁方法及装置 - Google Patents
指纹解锁方法及装置 Download PDFInfo
- Publication number
- WO2019157804A1 WO2019157804A1 PCT/CN2018/100860 CN2018100860W WO2019157804A1 WO 2019157804 A1 WO2019157804 A1 WO 2019157804A1 CN 2018100860 W CN2018100860 W CN 2018100860W WO 2019157804 A1 WO2019157804 A1 WO 2019157804A1
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- touch screen
- fingerprint
- electronic device
- sensor
- pressure value
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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
- G06V40/1376—Matching features related to ridge properties or fingerprint texture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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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
-
- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/81—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4418—Suspend and resume; Hibernate and awake
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/667—Preventing unauthorised calls from a telephone set
- H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72463—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions to restrict the functionality of the device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
Definitions
- the present disclosure relates to the field of fingerprint recognition technologies, and in particular, to a fingerprint unlocking method and apparatus.
- the security of terminals is also constantly improving.
- the terminal provides a password protection function, and unlocks the terminal when it detects that the password entered by the user matches the unlock password.
- the password protection function provided by the terminal supports biometric-based passwords such as fingerprint passwords, face passwords, and the like.
- the password protection function provided by the terminal supports the fingerprint password.
- the terminal scans the user fingerprint information through the fingerprint sensor, and matches the scanned user fingerprint information with the pre-stored fingerprint information. If the matching is successful, the terminal is unlocked. If the match is unsuccessful, the password is entered incorrectly.
- the method of fingerprint detection using a touch screen how to reduce the power consumption caused by the false touch is a technical problem to be solved.
- the embodiments of the present disclosure provide a fingerprint unlocking method and apparatus to avoid power consumption caused by a false touch of the system.
- a fingerprint unlocking method the method being applied to an electronic device equipped with a touch screen and a fingerprint sensor, the electronic device being capable of detecting an object applied to the touch screen a pressure value and a contact position of the object with the touch screen; the fingerprint sensor is disposed in the touch screen and forms a fingerprint response area at a corresponding position of the touch screen; the method includes:
- the touch screen includes a touch sensor
- the electronic device further includes a pressure sensor; and when the pressure value is detected to be greater than a preset threshold and the contact position is located in the fingerprint response area, awakening
- the fingerprint recognition function of the electronic device includes:
- the pressure sensor detects at least one pressure value applied by the object on the touch screen
- the touch sensor detects a contact position of the object with the touch screen after receiving the first interrupt signal
- the pressure sensor may further include:
- the pressure sensor is activated when it is detected that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- the touch screen includes a touch sensor
- the electronic device further includes a pressure sensor; and when the pressure value is detected to be greater than a preset threshold and the contact position is located in the fingerprint response area, awakening
- the fingerprint recognition function of the electronic device includes:
- the touch sensor detects a contact position of the object with the touch screen
- the pressure sensor detects at least one pressure value applied by the object on the touch screen after receiving the second interruption signal
- the pressure sensor When the pressure sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold, waking up the fingerprint recognition function of the electronic device.
- the method before the touch sensor detects the contact position of the object with the touch screen, the method further includes:
- the touch sensor is activated when it is detected that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- the electronic device further includes a composite sensor capable of simultaneously detecting the pressure value and the contact position; the detecting the pressure value being greater than a preset threshold and the contact position When the fingerprint response area is located, the fingerprint recognition function of the electronic device is awakened, including:
- the composite sensor detects at least one pressure value applied by the object on the touch screen and a contact position of the object with the touch screen;
- the composite sensor When the composite sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold and the contact position is located in the fingerprint response area, waking up the fingerprint recognition function of the electronic device.
- a fingerprint unlocking apparatus the apparatus being applied to an electronic device equipped with a touch screen and a fingerprint sensor, the electronic device being capable of detecting an object being applied to the touch screen a pressure value and a contact position of the object with the touch screen; the fingerprint sensor is disposed in the touch screen and forms a fingerprint response area at a corresponding position of the touch screen; the device includes:
- the wake-up module is configured to wake up the fingerprint recognition function of the electronic device when detecting that the pressure value is greater than a preset threshold and the contact location is located in the fingerprint response area;
- An acquisition module configured to collect texture information of the object by using the fingerprint sensor
- the matching module is configured to perform matching with the pre-stored reference fingerprint information based on the texture information; and when the matching is successful, perform an unlocking operation on the electronic device.
- the touch screen includes a touch sensor, and the electronic device further includes a pressure sensor; the wake-up module includes:
- a first detecting submodule configured to detect, by the pressure sensor, at least one pressure value applied by the object on the touch screen
- a first sending submodule configured to send a first interrupt signal to the touch sensor when the pressure sensor detects that a maximum pressure value of the at least one pressure value is greater than the preset threshold
- a second detecting submodule configured to detect a contact position of the object with the touch screen after the touch sensor receives the first interrupt signal
- the first wake-up sub-module is configured to wake up the fingerprint recognition function of the electronic device when the touch sensor detects that the contact location is located in the fingerprint response area.
- the wake-up module further includes:
- the first activation submodule is configured to activate the pressure sensor upon detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- the touch screen includes a touch sensor, and the electronic device further includes a pressure sensor; the wake-up module includes:
- a third detecting submodule configured to detect a contact position of the object with the touch screen by the touch sensor
- a second sending submodule configured to send a second interrupt signal to the pressure sensor when the touch sensor detects that the contact position is in the fingerprint response area
- a fourth detecting submodule configured to detect at least one pressure value applied by the object on the touch screen after the pressure sensor receives the second interrupt signal
- the second wake-up sub-module is configured to wake up the fingerprint recognition function of the electronic device when the pressure sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold.
- the wake-up module further includes:
- the second promoter module is configured to activate the touch sensor upon detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- the electronic device further includes a composite sensor capable of simultaneously detecting the pressure value and the contact position;
- the wake-up module includes:
- a fifth detecting submodule configured to detect, by the composite sensor, at least one pressure value applied by the object on the touch screen and a contact position of the object with the touch screen;
- a third wake-up sub-module configured to wake up the electronic device when the composite sensor detects a maximum pressure value of the at least one pressure value, the preset threshold, and the contact position is located in the fingerprint response area Fingerprint recognition function.
- a fingerprint unlocking apparatus including:
- a memory for storing processor executable instructions
- processor is configured to perform the method of the above first aspect.
- a computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor to implement the method of the first aspect described above.
- the technical solution provided by the embodiment of the present disclosure may include the following beneficial effects: before the texture information of the object is collected by the fingerprint sensor, only when the pressure value of the object applied to the touch screen is detected to be greater than a preset threshold and the contact position of the object with the touch screen is located When the fingerprint responds to the area, the fingerprint recognition function of the electronic device is awake, so that the following two situations can be avoided: 1. The fingerprint recognition function is awakened when the pressure value applied by the object on the touch screen is greater than a preset threshold, but the touch position is not in the fingerprint response area.
- the fingerprint sensor is not required to start the texture information of the object to unlock the electronic device; second, the fingerprint recognition function is awakened when the touch position is located in the fingerprint response area, but the pressure value applied by the object on the touch screen is less than or equal to the preset threshold, and the fingerprint does not need to be activated.
- the sensor collects the texture information of the object to unlock the electronic device. Therefore, the technical solution provided by the embodiment of the present disclosure can effectively avoid power consumption caused by waking up the fingerprint recognition function by mistake.
- FIG. 1 is an application scenario diagram of a fingerprint unlocking method according to an exemplary embodiment.
- FIG. 2 is a flowchart of a fingerprint unlocking method according to an exemplary embodiment.
- FIG. 3 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- FIG. 4 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- FIG. 5 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- FIG. 6A is a block diagram of a fingerprint unlocking apparatus according to an exemplary embodiment.
- FIG. 6B is a block diagram of a fingerprint unlocking apparatus according to another exemplary embodiment.
- FIG. 6C is a block diagram of a fingerprint unlocking apparatus according to another exemplary embodiment.
- FIG. 6D is a block diagram of a fingerprint unlocking apparatus according to another exemplary embodiment.
- FIG. 6E is a block diagram of a fingerprint unlocking apparatus according to another exemplary embodiment.
- FIG. 6F is a block diagram of a fingerprint unlocking apparatus according to another exemplary embodiment.
- FIG. 7 is a block diagram of a fingerprint unlocking apparatus according to an exemplary embodiment.
- the on-screen fingerprint recognition technology can detect whether a finger-like object (including a finger and an object similar to a finger that can be detected by the touch screen) contacts the touch screen through the touch screen, and is located at the contact position of the finger-like object and the touch screen.
- a finger-like object including a finger and an object similar to a finger that can be detected by the touch screen
- the electronic device operating system wakes up and can start the pressure sensor for pressure detection, and the electronic device starts the fingerprint sensor when determining that the pressure parameter detected by the pressure sensor meets the preset condition
- the fingerprint detection is performed, and the electronic device performs fingerprint matching based on the fingerprint information detected by the fingerprint sensor, and determines whether to unlock the electronic device according to the result of the fingerprint matching.
- the pressure sensor when the operating system of the electronic device is awakened, the pressure sensor is also activated. If the electronic device determines that the pressure parameter detected by the pressure sensor does not meet the preset condition, it is determined that the user does not intend to unlock the electronic device, and the fingerprint sensor is not activated. In this way, the power consumption of the system wake-up and starting the pressure sensor is wasted. Therefore, the fingerprint unlocking method described above cannot avoid the waste of power consumption.
- the embodiments of the present disclosure provide a fingerprint unlocking method and apparatus, in order to avoid the phenomenon of waste of power consumption and shorten the time of fingerprint unlocking.
- FIG. 1 is an application scenario diagram of a fingerprint unlocking method according to an exemplary embodiment.
- the fingerprint unlocking method provided by the embodiment of the present disclosure can be applied to the electronic device 11, and the electronic device 11 can be a smart phone, a tablet computer, a PDA (Personal Digital Assistant), an e-reader, a multimedia player, etc.
- Functional electronic device The electronic device 11 is equipped with a touch screen 12 and a fingerprint sensor (not shown) capable of detecting a pressure value applied to the touch screen 12 by an object and a contact position of the object with the touch screen 12.
- a fingerprint sensor is disposed in the touch screen 12 and forms a fingerprint response area 13 at a corresponding position of the touch screen 12.
- the fingerprint sensor may be a fingerprint sensor, an optical fingerprint sensor, an ultrasonic fingerprint sensor, or the like. When the finger 14 contacts the fingerprint response area 13, the fingerprint sensor can collect fingerprint information of the finger 14 for unlocking the electronic device.
- FIG. 2 is a flowchart of a fingerprint unlocking method according to an exemplary embodiment. As shown in FIG. 2, the fingerprint unlocking method includes the following steps S201-S203:
- step S201 when it is detected that the pressure value is greater than a preset threshold and the contact position is located in the fingerprint response area, the fingerprint recognition function of the electronic device is woken up.
- the pressure value applied by the object on the touch screen may be detected in real time whether the pressure value applied to the touch screen is greater than a preset threshold. When it is greater than the preset threshold, it is detected whether the contact position of the object and the touch screen is located in the fingerprint response area. When it is detected that the contact position of the object with the touch screen is located in the fingerprint response area, the fingerprint recognition function of the electronic device is woken up.
- the touch position of the object and the touch screen may be detected in real time in the fingerprint response area, and the contact position between the object and the touch screen is detected.
- the fingerprint responds to the area it is detected whether the pressure value applied by the object on the touch screen is greater than a preset threshold, and the fingerprint recognition function of the electronic device is awake when the pressure value applied by the object on the touch screen is greater than a preset threshold.
- the electronic device when the electronic device is in the sleep state, or when the touch screen is in the off-screen state, it may be detected in parallel whether the pressure value applied by the object on the touch screen is greater than a preset threshold and whether the contact position of the detecting object with the touch screen is located.
- the fingerprint response area wakes up the fingerprint recognition function of the electronic device when detecting that the pressure value applied by the object on the touch screen is greater than a preset threshold and the contact position of the object with the touch screen is located in the fingerprint response area.
- the fingerprint recognition function of the wake-up electronic device can be implemented in two ways: (1) first waking up the operating system of the electronic device, and then starting the fingerprint sensor through the operating system; (2) sending through the pressure sensor or the touch sensor A wake-up instruction (such as a hardware interrupt) wakes up the fingerprint sensor.
- the wake-up mode has a short response time and can reduce the fingerprint unlocking time delay.
- step S202 the texture information of the object is collected by the fingerprint sensor.
- the fingerprint sensor collects the texture information of the object. If the object is a user's finger, the texture information is fingerprint information.
- step S203 matching is performed based on the texture information with pre-stored reference fingerprint information; when the matching is successful, an unlocking operation is performed on the electronic device.
- the electronic device matches the collected texture information with the pre-stored reference fingerprint information, and performs an unlocking operation on the electronic device when the matching is successful.
- the electronic device before the texture information of the object is collected by the fingerprint sensor, the electronic device is only awake when it is detected that the pressure value applied by the object on the touch screen is greater than a preset threshold and the contact position of the object and the touch screen is located in the fingerprint response area.
- the fingerprint recognition function can avoid the following two situations: 1. The fingerprint recognition function is awakened when the pressure value applied by the object on the touch screen is greater than the preset threshold, but the touch position is not in the fingerprint response area, and the fingerprint sensor is not required to start the object collection.
- the texture information is used to unlock the electronic device; 2.
- the fingerprint recognition function is awakened when the touch position is located in the fingerprint response area, but the pressure value applied by the object on the touch screen is less than or equal to the preset threshold, and the fingerprint sensor is not required to acquire the texture information of the object to unlock the electronic device. device. Therefore, the technical solution provided by the embodiment of the present disclosure can effectively avoid power consumption caused by waking up the fingerprint recognition function by mistake.
- FIG. 3 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- the touch screen includes a touch sensor for detecting a touch position of the object on the touch screen
- the electronic device further includes a pressure sensor for detecting a pressure value applied by the object on the touch screen.
- the above step S201 includes the following steps S301 to S304:
- step S301 the pressure sensor detects at least one pressure value applied by the object on the touch screen.
- the pressure sensing range of the pressure sensor can cover the fingerprint response area without covering the entire touch screen.
- the pressure sensor may be located near the fingerprint response area, but is not limited thereto.
- the pressure sensing range of the pressure sensor can also cover the entire touch screen.
- the pressure sensor may be a separate sensor, which may be located above the glass cover in the touch screen module (the front side of the electronic device) or under the touch screen module. In one embodiment, the pressure sensor can also be integrated into the touch screen module.
- the touch screen can be a touch screen with a single touch function that can detect a pressure value applied to the touch screen by the object.
- the touch screen can be a touch screen with multi-touch functionality that can detect two or more pressure values applied by an object on the touch screen.
- the method may further include the step of: starting the pressure sensor when detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state. That is, when the electronic device is in the off state or the electronic device is in the sleep state, the pressure sensor may be activated to detect the pressure value applied by the object on the touch screen in real time, in particular, the pressure sensor continuously detects the object applied to the touch screen at a preset working frequency. The pressure value on it. To reduce power consumption, the pressure sensor can operate at lower operating frequencies.
- step S302 a first interrupt signal is sent to the touch sensor when the pressure sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold.
- the first interrupt signal is sent to the touch sensor, and the first interrupt signal is used to trigger the touch sensor to work.
- the time when the pressure sensor activates the touch sensor through the hardware interrupt is less than the time when the operating system starts the touch sensor, so that the unlocking delay can be reduced.
- step S303 the touch sensor detects a contact position of the object with the touch screen after receiving the first interrupt signal.
- step S304 when the touch sensor detects that the contact location is located in the fingerprint response area, the fingerprint recognition function of the electronic device is woken up.
- the touch sensor can cover the entire touch screen for detecting the contact position of the object with the touch screen.
- the touch sensor can start working after receiving the first interrupt signal, detect the contact position of the object with the touch screen, and wake up the fingerprint recognition function of the electronic device when detecting that the contact position is located in the fingerprint response area.
- the pressure sensor when the touch screen is in the off state or the electronic device is in the sleep state, the pressure sensor is first activated to detect at least one pressure value applied by the object on the touch screen, and the maximum pressure value in the at least one pressure value is greater than
- the first interrupt signal is sent to the touch sensor to activate the touch sensor to detect the contact position of the object with the touch screen.
- the touch sensor wakes up the fingerprint recognition function of the electronic device. Since the time when the pressure sensor starts the touch sensor through the hardware interrupt is less than the time when the operating system starts the touch sensor, the fingerprint unlocking delay can be reduced.
- FIG. 4 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- the touch screen includes a touch sensor for detecting a touch position of the object on the touch screen
- the electronic device further includes a pressure sensor for detecting a pressure value applied by the object on the touch screen.
- the above step S201 includes the following steps S401 to S404:
- step S401 the touch sensor detects a contact position of the object with the touch screen.
- the method may further include the step of: starting the touch sensor when detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state. That is, when the electronic device is in the off state or the electronic device is in the sleep state, the touch sensor can be activated to detect the contact position of the object with the touch screen in real time. Specifically, the touch sensor continuously detects the contact position of the object with the touch screen at a preset operating frequency. To reduce power consumption, touch sensors can operate at lower operating frequencies.
- step S402 a second interrupt signal is sent to the pressure sensor when the touch sensor detects that the contact position is in the fingerprint response area.
- the second interrupt signal is sent to the pressure sensor, and the second interrupt signal is used to trigger the pressure sensor to work.
- the time when the touch sensor starts the pressure sensor through the hardware interrupt is less than the time when the operating system starts the pressure sensor, so that the fingerprint unlocking delay can be reduced.
- step S403 the pressure sensor detects at least one pressure value applied by the object on the touch screen after receiving the second interruption signal.
- the pressure sensing range of the pressure sensor can cover the fingerprint response area without covering the entire touch screen.
- the pressure sensor may be located near the fingerprint response area, but is not limited thereto.
- the pressure sensing range of the pressure sensor can also cover the entire touch screen.
- the pressure sensor may be a separate sensor, which may be located above the glass cover in the touch screen module (the front side of the electronic device) or under the touch screen module. In one embodiment, the pressure sensor can also be integrated into the touch screen module.
- the touch screen can be a touch screen with a single touch function that can detect a pressure value applied to the touch screen by the object.
- the touch screen can be a touch screen with multi-touch functionality that can detect two or more pressure values applied by an object on the touch screen.
- step S404 when the pressure sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold, the fingerprint recognition function of the electronic device is woken up.
- the pressure sensor may only cover the fingerprint response area for detecting the pressure value applied by the object in the fingerprint response area on the touch screen, which may reduce the cost of fingerprint unlocking.
- the pressure sensor may start working after receiving the second interrupt signal, detect the pressure applied by the object on the touch screen, and wake up the electronic device when the pressure is detected to be greater than the preset threshold. Fingerprint recognition function.
- the touch sensor when the touch screen is in the off state or the electronic device is in the sleep state, the touch sensor is first detected to detect the contact position of the object with the touch screen, and when the contact position is detected to be located in the fingerprint response area, the second interrupt is sent to the pressure sensor.
- the signal operates to activate the pressure sensor to detect at least one pressure value applied by the object on the touch screen.
- the pressure sensor wakes up the fingerprint recognition function of the electronic device when detecting that the maximum pressure value of the at least one pressure value is greater than a preset threshold. Since the time when the touch sensor activates the pressure sensor through the hardware interrupt is less than the time when the operating system starts the pressure sensor, the fingerprint unlocking delay can be reduced.
- FIG. 5 is a flowchart of a fingerprint unlocking method according to another exemplary embodiment.
- the electronic device further includes a composite sensor capable of simultaneously detecting the pressure value and the contact position.
- the above step S201 includes the following steps S501 to S502:
- step S501 the composite sensor detects at least one pressure value applied by the object on the touch screen and a contact position of the object with the touch screen.
- step S502 when the composite sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold and the contact position is located in the fingerprint response area, waking up the fingerprint identification of the electronic device Features.
- the composite sensor can be a device that integrates a pressure sensor with a touch sensor.
- the composite sensor can be a resistive touch screen that can function to simultaneously detect the pressure value and the contact position.
- the composite sensor when the touch screen is in the off state or the electronic device is in the sleep state, the composite sensor can be activated to detect at least one pressure value applied by the object on the touch screen and the contact position of the object with the touch screen.
- the composite sensor may continuously detect at least one pressure value applied by the detecting object on the touch screen and a contact position of the object with the touch screen at a preset operating frequency. To reduce power consumption, composite sensors can operate at lower operating frequencies.
- the composite sensor wakes up the fingerprint recognition of the electronic device when detecting that the maximum pressure value of the at least one pressure value applied by the object on the touch screen is greater than a preset threshold and the contact position of the object and the touch screen is located in the fingerprint response area.
- FIG. 6A is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment.
- the device is applied to an electronic device equipped with a touch screen and a fingerprint sensor capable of detecting a pressure value applied to the touch screen by an object and a contact position of the object with the touch screen.
- the fingerprint sensor is disposed in the touch screen and forms a fingerprint response area at a corresponding position of the touch screen.
- the device includes:
- the wake-up module 61 is configured to wake up the fingerprint recognition function of the electronic device when detecting that the pressure value is greater than a preset threshold and the contact position is located in the fingerprint response area;
- the acquiring module 62 is configured to collect the texture information of the object by using the fingerprint sensor;
- the matching module 63 is configured to perform matching with the pre-stored reference fingerprint information based on the texture information; when the matching is successful, perform an unlocking operation on the electronic device.
- FIG. 6B is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment.
- the touch screen includes a touch sensor, and the electronic device further includes a pressure sensor.
- the wakeup module 61 includes:
- a first detecting sub-module 611 configured to detect, by the pressure sensor, at least one pressure value applied by the object on the touch screen
- the first sending sub-module 612 is configured to send a first interrupt signal to the touch sensor when the pressure sensor detects that a maximum pressure value of the at least one pressure value is greater than the preset threshold;
- the second detecting sub-module 613 is configured to detect a contact position of the object with the touch screen after the touch sensor receives the first interrupt signal;
- the first wake-up sub-module 614 is configured to wake up the fingerprint recognition function of the electronic device when the touch sensor detects that the contact location is located in the fingerprint response area.
- FIG. 6C is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment.
- the wake-up module 61 further includes:
- the first activation sub-module 615 is configured to activate the pressure sensor upon detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- FIG. 6D is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment.
- the touch screen includes a touch sensor, and the electronic device further includes a pressure sensor.
- the wake-up module 61 includes:
- a third detecting sub-module 616 configured to detect a contact position of the object with the touch screen by the touch sensor
- the second sending sub-module 617 is configured to send a second interrupt signal to the pressure sensor when the touch sensor detects that the contact position is located in the fingerprint response area;
- the fourth detecting sub-module 618 is configured to detect at least one pressure value applied by the object on the touch screen after the pressure sensor receives the second interrupt signal;
- the second wake-up sub-module 619 is configured to wake up the fingerprint recognition function of the electronic device when the pressure sensor detects that the maximum pressure value of the at least one pressure value is greater than the preset threshold.
- FIG. 6E is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment. As shown in FIG. 6E, the wake-up module 61 further includes:
- the second promoter module 610 is configured to activate the touch sensor upon detecting that the touch screen is in a screen-off state or the electronic device is in a sleep state.
- FIG. 6F is a block diagram of a fingerprint unlocking apparatus, according to an exemplary embodiment.
- the electronic device also includes a composite sensor capable of simultaneously detecting the pressure value and the contact position.
- the wake-up module 61 includes:
- a fifth detecting sub-module 641 configured to detect, by the composite sensor, at least one pressure value applied by the object on the touch screen and a contact position of the object with the touch screen;
- a third wake-up sub-module 642 configured to wake up the electronic when the composite sensor detects a maximum pressure value of the at least one pressure value of the preset threshold and the contact position is located in the fingerprint response area The fingerprint recognition function of the device.
- FIG. 7 is a block diagram of a fingerprint unlocking apparatus according to an exemplary embodiment.
- device 700 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
- apparatus 700 can include one or more of the following components: processing component 702, memory 704, power component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, sensor component 714, And a communication component 716.
- Processing component 702 typically controls the overall operation of device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 702 can include one or more processors 720 to execute instructions to perform all or part of the steps described above.
- processing component 702 can include one or more modules to facilitate interaction between component 702 and other components.
- processing component 702 can include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
- Memory 704 is configured to store various types of data to support operation at device 700. Examples of such data include instructions for any application or method operating on device 700, contact data, phone book data, messages, pictures, videos, and the like. Memory 704 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 706 provides power to various components of device 700.
- Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 700.
- the multimedia component 708 includes a screen between the device 700 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 708 includes a front camera and/or a rear camera. When the device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 710 is configured to output and/or input an audio signal.
- audio component 710 includes a microphone (MIC) that is configured to receive an external audio signal when device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 704 or transmitted via communication component 716.
- audio component 710 also includes a speaker for outputting an audio signal.
- the I/O interface 712 provides an interface between the processing component 702 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 714 includes one or more sensors for providing device 700 with various aspects of status assessment.
- sensor component 714 can detect an open/closed state of device 700, a relative positioning of components, such as the display and keypad of device 700, and sensor component 714 can also detect a change in position of one component of device 700 or device 700. The presence or absence of user contact with device 700, device 700 orientation or acceleration/deceleration, and temperature variation of device 700.
- Sensor assembly 714 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor component 714 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 714 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 716 is configured to facilitate wired or wireless communication between device 700 and other devices.
- the device 700 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- communication component 716 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 716 also includes a near field communication (NFC) module to facilitate short range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- apparatus 700 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- non-transitory computer readable storage medium comprising instructions, such as a memory 704 comprising instructions executable by processor 720 of apparatus 700 to perform the above method.
- the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
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Abstract
Description
Claims (14)
- 一种指纹解锁方法,其特征在于,所述方法应用于电子设备,所述电子设备配备有触摸屏与指纹传感器,所述电子设备能够检测物体施加至所述触摸屏上的压力值以及所述物体与所述触摸屏的接触位置;所述指纹传感器设置在所述触摸屏中并在所述触摸屏的对应位置形成指纹响应区域;所述方法包括:当检测到所述压力值大于预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能;通过所述指纹传感器采集所述物体的纹路信息;基于所述纹路信息与预存的参考指纹信息进行匹配;当匹配成功时,对所述电子设备执行解锁操作。
- 根据权利要求1所述的方法,其特征在于,所述触摸屏包括触摸传感器,所述电子设备还包括压力传感器;所述当检测到所述压力值大于预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能,包括:所述压力传感器检测所述物体施加在所述触摸屏上的至少一个压力值;当所述压力传感器检测到所述至少一个压力值中的最大压力值大于所述预设阈值时发送第一中断信号给所述触摸传感器;所述触摸传感器在接收到所述第一中断信号后检测所述物体与所述触摸屏的接触位置;当所述触摸传感器检测到所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能。
- 根据权利要求2所述的方法,其特征在于,所述压力传感器检测所述物体施加在所述触摸屏上的至少一个压力值之前,还包括:当检测到所述触摸屏处于灭屏状态或者所述电子设备处于休眠状态时,启动所述压力传感器。
- 根据权利要求1所述的方法,其特征在于,所述触摸屏包括触摸传感器,所述电子设备还包括压力传感器;所述当检测到所述压力值大于预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能,包括:所述触摸传感器检测所述物体与所述触摸屏的接触位置;当所述触摸传感器检测到所述接触位置位于所述指纹响应区域时向所述压力传感器发送第二中断信号;所述压力传感器在接收到所述第二中断信号后检测所述物体施加在所述触摸屏上的至少一个压力值;当所述压力传感器检测到所述至少一个压力值中的最大压力值大于所述预设阈值时,唤醒所述电子设备的指纹识别功能。
- 根据权利要求4所述的方法,其特征在于,所述触摸传感器检测所述物体与所述 触摸屏的接触位置之前,还包括:当检测到所述触摸屏处于灭屏状态或者所述电子设备处于休眠状态时,启动所述触摸传感器。
- 根据权利要求1所述的方法,其特征在于,所述电子设备还包括复合传感器,所述复合传感器能够同时检测所述压力值以及所述接触位置;所述当检测到所述压力值大于预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能,包括:所述复合传感器检测所述物体施加在所述触摸屏上的至少一个压力值以及所述物体与所述触摸屏的接触位置;当所述复合传感器检测到所述至少一个压力值中的最大压力值大于所述预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能。
- 一种指纹解锁装置,其特征在于,所述装置应用于电子设备,所述电子设备配备有触摸屏与指纹传感器,所述电子设备能够检测物体施加至所述触摸屏上的压力值以及所述物体与所述触摸屏的接触位置;所述指纹传感器设置在所述触摸屏中并在所述触摸屏的对应位置形成指纹响应区域;所述装置包括:唤醒模块,被配置为在检测到所述压力值大于预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能;采集模块,被配置为通过所述指纹传感器采集所述物体的纹路信息;匹配模块,被配置为基于所述纹路信息与预存的参考指纹信息进行匹配;当匹配成功时,对所述电子设备执行解锁操作。
- 根据权利要求7所述的装置,其特征在于,所述触摸屏包括触摸传感器,所述电子设备还包括压力传感器;所述唤醒模块包括:第一检测子模块,被配置为通过所述压力传感器检测所述物体施加在所述触摸屏上的至少一个压力值;第一发送子模块,被配置为在所述压力传感器检测到所述至少一个压力值中的最大压力值大于所述预设阈值时发送第一中断信号给所述触摸传感器;第二检测子模块,被配置为在所述触摸传感器接收到所述第一中断信号后检测所述物体与所述触摸屏的接触位置;第一唤醒子模块,被配置为在所述触摸传感器检测到所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能。
- 根据权利要求8所述的装置,其特征在于,所述唤醒模块还包括:第一启动子模块,被配置为在检测到所述触摸屏处于灭屏状态或者所述电子设备处于休眠状态时,启动所述压力传感器。
- 根据权利要求7所述的装置,其特征在于,所述触摸屏包括触摸传感器,所述电子设备还包括压力传感器;所述唤醒模块包括:第三检测子模块,被配置为通过所述触摸传感器检测所述物体与所述触摸屏的接触位置;第二发送子模块,被配置为在所述触摸传感器检测到所述接触位置位于所述指纹响应区域时向所述压力传感器发送第二中断信号;第四检测子模块,被配置为在所述压力传感器接收到所述第二中断信号后检测所述物体施加在所述触摸屏上的至少一个压力值;第二唤醒子模块,被配置为在所述压力传感器检测到所述至少一个压力值中的最大压力值大于所述预设阈值时,唤醒所述电子设备的指纹识别功能。
- 根据权利要求10所述的装置,其特征在于,所述唤醒模块还包括:第二启动子模块,被配置为在检测到所述触摸屏处于灭屏状态或者所述电子设备处于休眠状态时,启动所述触摸传感器。
- 根据权利要求7所述的装置,其特征在于,所述电子设备还包括复合传感器,所述复合传感器能够同时检测所述压力值以及所述接触位置;所述唤醒模块包括:第五检测子模块,被配置为通过所述复合传感器检测所述物体施加在所述触摸屏上的至少一个压力值以及所述物体与所述触摸屏的接触位置;第三唤醒子模块,被配置为在所述复合传感器检测到所述至少一个压力值中的最大压力值所述预设阈值且所述接触位置位于所述指纹响应区域时,唤醒所述电子设备的指纹识别功能。
- 一种指纹解锁装置,其特征在于,所述装置包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行权利要求1至6任一项所述的方法。
- 一种计算机可读存储介质,其上存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现权利要求1至6任一项所述的方法。
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CN108345781A (zh) * | 2018-02-13 | 2018-07-31 | 北京小米移动软件有限公司 | 指纹解锁方法及装置 |
CN109144587B (zh) * | 2018-08-15 | 2021-03-23 | 北京小米移动软件有限公司 | 终端控制方法、装置、设备及存储介质 |
CN110837755A (zh) * | 2018-08-16 | 2020-02-25 | 北京小米移动软件有限公司 | 指纹识别方法及装置 |
CN110826479B (zh) * | 2018-12-27 | 2022-07-19 | 神盾股份有限公司 | 电子装置与其屏下指纹感测方法 |
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CN110377139A (zh) * | 2019-06-04 | 2019-10-25 | 努比亚技术有限公司 | 一种终端控制方法、终端及计算机可读存储介质 |
CN112417928B (zh) * | 2019-08-22 | 2024-03-29 | 深圳富泰宏精密工业有限公司 | 屏下指纹识别方法及电子装置 |
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EP3525123A1 (en) | 2019-08-14 |
KR20190099386A (ko) | 2019-08-27 |
EP3525123B1 (en) | 2021-09-08 |
RU2721361C1 (ru) | 2020-05-19 |
US20190251317A1 (en) | 2019-08-15 |
CN108345781A (zh) | 2018-07-31 |
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