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WO2019033867A1 - Procédé et dispositif d'entrée, et dispositif électronique - Google Patents

Procédé et dispositif d'entrée, et dispositif électronique Download PDF

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Publication number
WO2019033867A1
WO2019033867A1 PCT/CN2018/094433 CN2018094433W WO2019033867A1 WO 2019033867 A1 WO2019033867 A1 WO 2019033867A1 CN 2018094433 W CN2018094433 W CN 2018094433W WO 2019033867 A1 WO2019033867 A1 WO 2019033867A1
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WO
WIPO (PCT)
Prior art keywords
biometric
image information
password
template
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/094433
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English (en)
Chinese (zh)
Inventor
赵红蕾
吴宏超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Zhongxing New Software Co Ltd
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Xian Zhongxing New Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Zhongxing New Software Co Ltd filed Critical Xian Zhongxing New Software Co Ltd
Publication of WO2019033867A1 publication Critical patent/WO2019033867A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Definitions

  • This document relates to the field of electronic technology, for example, to an input method, device, and electronic device.
  • the composition of passwords is relatively simple. For example, set characters (including numbers, letters, symbols, etc.) or nine-square grid graphics as passwords, or use fingerprints as passwords.
  • set characters including numbers, letters, symbols, etc.
  • nine-square grid graphics as passwords
  • fingerprints as passwords.
  • a character with a pure character or a nine-square grid is used as the password, since the position of the character or the graphic on the display screen is fixed, it is easy to be peeked; if the fingerprint is simply used as the password, since the fingerprint is on the contacted object, There are residues that are easy to be stolen by copying fake fingers. It can be seen that the passwords set on the electronic devices are currently not safe.
  • the embodiment of the present application provides an input method and device, and an electronic device, which can improve the security and portability of information input.
  • an input method including:
  • an input device including:
  • a detecting unit configured to detect image information of the biometric input on the display interface of the electronic device
  • the processing unit is configured to determine, according to the detected image information of the biometric, character information corresponding to the first location of the biometric displayed on the display interface.
  • an electronic device including:
  • a display module supporting biometric identification configured to detect image information of biometrics
  • a processor configured to execute the input program to: determine, according to the detected image information of the biometric, a character corresponding to the first location of the biometric displayed on a display interface of the display module information.
  • the display module supporting biometric recognition comprises: a display and a biometric touch sensor.
  • the embodiment of the present application further provides a computer readable storage medium, where the storage medium stores an input program, and when the input program is executed by the processor, the input method of the first aspect is implemented.
  • the image information of the biometric input on the display interface of the electronic device is detected, and the character information corresponding to the first position of the biometric displayed on the display interface is determined according to the image information of the detected biometric property. .
  • the security of the information input can be improved, and in particular, when the image information of the biometrics and the corresponding character information are set as the password, the security of the password can be improved.
  • the image information of the biometrics and the corresponding character information can be extracted by one entry process, thereby improving the portability of the information input.
  • the display module supporting the biometric identification is used to detect the image information of the biometric feature, which can support the thin and light design of the electronic device, and can reduce the cost.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram showing the working principle of a basic unit of a capacitive fingerprint sensor
  • FIG. 3 is a schematic diagram of detecting a fingerprint image by a capacitive fingerprint sensor
  • FIG. 4 is a schematic diagram of two detection modes of a capacitive fingerprint sensor
  • FIG. 5 is a flowchart of an input method according to an embodiment of the present application.
  • FIG. 6 is a flowchart of an input method according to another embodiment of the present application.
  • FIG. 7 is a flowchart of an input method according to another embodiment of the present application.
  • FIG. 8 is a schematic diagram of an application scenario according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of an input device according to an embodiment of the present application.
  • An embodiment of the present application provides an electronic device, including: a display module supporting biometric recognition, a memory storing an input program, and a processor; wherein the display module is configured to detect image information of the biometric; the processor is configured to execute the input program To perform the following operations: determining, according to the detected image information of the biometric, the character information corresponding to the first location of the biometric displayed on the display interface of the display module.
  • the biometrics can include at least one of: a fingerprint, a palm print, an eye print, and a lip print.
  • the first location can include a central location.
  • this application is not limited thereto.
  • the first position may also be other set positions, such as a position where the fingerprint density is the largest, a ridge bifurcation point position of the fingerprint, and a ridge node position of the fingerprint.
  • the electronic device provided by the present application may be any digital terminal device, including but not limited to a laptop computer, a tablet computer, a mobile phone, a media player, an e-book, a personal digital assistant (PDA), an in-vehicle device, a smart home device.
  • a mobile terminal, and a fixed terminal such as an Automatic Teller Machine (ATM) may also include a combination of two or more of them.
  • ATM Automatic Teller Machine
  • biometrics as a fingerprint as an example.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the electronic device 100 includes a memory 101, a memory controller 102, a processor (such as a central processing unit (CPU)) 103, a peripheral interface 104, and a radio frequency (RF) circuit 105.
  • Audio circuit 106 input/output (I/O) subsystem 107, display 108, fingerprint sensor 109, other input/output devices 110, and power system 111. These components communicate via at least one communication bus or signal line.
  • the components of electronic device 100 may have more or fewer components than illustrated, or have different component configurations.
  • the various components shown in Figure 1 can be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and application specific integrated circuits.
  • Memory 101 can include random access memory and can also include one or more magnetic disk storage devices, flash memory devices, or other non-volatile memory.
  • the memory controller 102 can control access to the memory 101 by components of the electronic device 100, such as the processor 103, the RF circuitry 105, the audio circuitry 106, and the peripheral interface 104.
  • the processor 103 can include one or more processing units that execute various software programs and instructions stored in the memory 101 to perform various functions of the electronic device 100 and process the data.
  • the peripheral interface 104 connects the display 108 of the electronic device, the fingerprint sensor 109, and other input/output devices 110 to the processor 103 and memory 101.
  • the RF circuit 105 can convert an electrical signal into an electromagnetic wave and communicate with the communication network and other communication devices via the electromagnetic wave; at the same time, convert the received electromagnetic wave into an electrical signal.
  • the audio circuit 106 provides an audio interface between the user and the electronic device 100.
  • the audio circuit 106 receives audio data from the processor 103 and the memory 101, converts the audio data into electrical signals, and transmits the electrical signals to a speaker, which in turn converts the electrical signals into acoustic signals that are recognizable by the adult ear.
  • the audio circuit 106 also receives the acoustically transformed electrical signals received by the microphone and converts the electrical signals into audio data and transmits the audio data to the processor 103 and memory 101 for subsequent processing.
  • the I/O subsystem 107 functions as an interface between the input/output device of the electronic device 100 and the peripheral interface 104, which may include, for example, a display 108, a fingerprint sensor 109, and other input/output devices 110.
  • the I/O subsystem 107 can include a display controller 1071, a fingerprint touch controller 1072, and one or more controllers 1073 for other input/output devices.
  • the display controller 1071 and the fingerprint touch controller 1072 may be integrated into one controller, or may be separate controllers, which is not limited in this application.
  • the display module supporting fingerprint recognition may include a display 108 and a fingerprint october 109.
  • the fingerprint sensor 109 provides an input interface of the electronic device 100 to the user
  • the display 108 provides an output interface of the electronic device 100 to the user.
  • Display 108 can include a display screen for providing visual output, such as an output that can include text, graphics, video, and any combination thereof.
  • the fingerprint sensor 109 is a touch sensitive surface that accepts user input, and the input information may include fingerprint information of the finger.
  • Fingerprint touch controller 1072 detects an input signal on fingerprint sensor 109 and converts the detected input signal into an interaction with a user interface object on display 108.
  • the display 108 and the fingerprint sensor 109 may be of a separate structural design, such as the fingerprint sensor 109 may be laid under the display screen of the display 108, or the fingerprint sensor 109 may be laid on the display screen of the display 108.
  • this application is not limited thereto.
  • the two can be integrated into an integrated structure, such as display 108 and fingerprint sensor 109 can be integrated into a display module that supports fingerprint recognition.
  • the fingerprint touch sensor 109 can realize the one-time input process of the fingerprint and the character information, can support the thin and light design of the device, and has a cost advantage.
  • the electronic device 100 may also include a power supply system 111 for powering various components; the power supply system 111 may include a power management system, one or more power sources (such as batteries), a charging system, a power failure detection circuit, a power converter, and Any other component associated with the generation, management, and distribution of electrical energy in electronic device 100.
  • the power supply system 111 may include a power management system, one or more power sources (such as batteries), a charging system, a power failure detection circuit, a power converter, and Any other component associated with the generation, management, and distribution of electrical energy in electronic device 100.
  • the fingerprint sensor 109 and the fingerprint touch controller 1072 in one embodiment may implement a fingerprint recognition function for the entire area of the display 108, wherein the fingerprint touch detection technique may be implemented by optical, acoustic, capacitive or other principles.
  • the fingerprint touch detection will be described below by taking a capacitive fingerprint sensor as an example with reference to FIGS. 2 to 4.
  • Capacitance refers to the ability to accommodate an electric field.
  • the basic unit of the capacitive fingerprint sensor may include a transmitter (Transmitter) and a receiver (Rx), which constitute a capacitor.
  • the fingerprint touch controller In the working state, the fingerprint touch controller first charges the capacitor composed of the emitter and the receiver.
  • the line in Fig. 2(a) indicates the electric field between the two poles in the absence of the operating medium, and the density of the lines indicates the distribution of the strength of the electric field.
  • Figure 2(b) and Figure 2(c) show that when the finger approaches the fingerprint sensor, the electric field between the two stages changes significantly because the finger forms a capacitor between the emitter and the receiver. Thereby forming an electric field. Since the emitter plate has a large area, the electric field between the finger and the emitter is larger than the electric field between the finger and the receiver. The proximity of the finger weakens the electric field between the emitter and the receiver, reduces the voltage value sampled by the receiver, and the change in the capacitance value can be calculated by the change in the voltage value.
  • the fingerprint has a gully, the peak is in contact with the surface of the display module of the electronic device, the distance between the capacitor formed by the emitter and the emitter is small, and the variation of the capacitance is large, and the valley has a distance from the surface of the display module and is formed between the emitter and the emitter.
  • the capacitor distance is large and the capacitance change is small.
  • the fingerprint image is drawn using the detected change in capacitance value, as shown in Figure 3.
  • the fingerprint sensor can support two detection modes.
  • the solid line indicates the receiver array
  • the chain line indicates the emitter array.
  • the receiver array is laterally disposed and the emitter array is vertically disposed.
  • this application is not limited thereto. In other embodiments, the array of receivers can be vertically disposed and the array of emitters can be disposed laterally.
  • FIG. 4(a) can support detecting a fingerprint image in which all channels of the emitter (TX) and the receiver (RX) of the display area array are all turned on, and each node (ie, the intersection of the emitter array and the receiver array) is detected.
  • the value of the capacitance changes, thereby drawing a fingerprint image, and the coordinate value of the finger touch position can be calculated from the fingerprint image.
  • part of the channels of the emitter array and the receiver array are closed, the interlaced spacers are scanned, the capacitance value of each node of the opened channel is detected, and the coordinate value of the finger touch position is calculated, and
  • the corresponding gesture is identified by information such as coordinate position, touch area, and time. This mode saves power consumption from the previous mode in terms of detection and calculation.
  • Figure 4 shows the switching of the two detection modes by controlling the number of channel openings.
  • the detection mode can also be switched by adjusting the driving voltage to achieve a different signal to noise ratio.
  • the fingerprint sensor can implement the fingerprint recognition function of the entire area of the display
  • the coordinate system used when determining the coordinates of the fingerprint touch position can be consistent with the coordinate system used by the display interface on the display. Or there is a correspondence between the two.
  • this application is not limited thereto.
  • the fingerprint image can also be drawn by detecting the difference between the fingerprint sensor and the distance between the fingerprint valley and the peak. Calculate the touch location.
  • FIG. 5 is a flowchart of an input method according to an embodiment of the present application. As shown in FIG. 5, the input method provided in this embodiment includes step S501 and step S502.
  • the character information corresponding to the first position of the biometric displayed on the display interface is determined.
  • the biometric features may include at least one of the following: a fingerprint, a palm print, an eye print, and a lip print.
  • the first location can include a central location.
  • this application is not limited thereto.
  • the first position may also be other set positions, such as a position with the highest fingerprint density, a ridge bifurcation position of the fingerprint, and a ridge node position of the fingerprint.
  • the method may further include: determining whether to turn on image information for detecting the biometric according to the security level requirement of the display interface; and if the determination result is turning on the image information for detecting the biometric, step S501 is performed.
  • the method may further include: detecting, in a case that the image information of the biometric is not turned on, the touch region information of the biometric input on the display interface of the electronic device.
  • the method may further include:
  • the password template includes a biometric template and character information corresponding to the biometric template
  • the password input is confirmed to be correct.
  • the method may further include: storing image information of the detected biometric and character information determined according to the image information of the biometric, and The image information of the biometric and the character information are used as a password template.
  • the input method provided by the present application will be described below by taking a biometric as a fingerprint as an example.
  • FIG. 6 is a flowchart of an input method according to another embodiment of the present application.
  • the execution main body is described by taking the electronic device shown in FIG. 1 as an example.
  • the input method provided by an embodiment of the present application includes step S601, step S602, and step S603.
  • the processor determines whether to start the fingerprint image recognition function according to the security level requirement of the interface displayed by the display; wherein, for the interface with high security level requirements, such as screen unlocking, bank payment, and important account login
  • the fingerprint image recognition function can be turned on; for a security level requiring a general interface, such as a dialing interface, a browsing interface, a game operation interface, etc., it is generally not necessary to enable the fingerprint image recognition function.
  • the electronic device may provide default settings, or the user may also set the security level requirements of the interface according to his own needs.
  • the fingerprint sensor turns on the fingerprint image recognition function, detects the fingerprint image information input on the interface, and calculates the coordinates of the touch center position in the fingerprint image region according to the fingerprint image information, and the processor is based on the touch center position.
  • the coordinates of the coordinates can be determined to correspond to the character information displayed at that position on the display interface.
  • the fingerprint sensor can detect the fingerprint image in accordance with the detection mode shown in FIG. 4(a).
  • the fingerprint sensor turns off the fingerprint image recognition function, does not detect the fingerprint image, detects only the fingerprint touch area, and calculates the touch position information.
  • the fingerprint sensor can be detected in accordance with the detection mode shown in FIG. 4(b).
  • FIG. 7 is a flowchart of another example of an input method provided by another embodiment of the present application.
  • the execution main body is described by taking the electronic device shown in FIG. 1 as an example.
  • the user when the fingerprint sensor turns on the fingerprint image recognition function, the user can perform password preset and matching unlock processing.
  • the input method provided by another embodiment of the present application includes step S701, step S702, step S703, and step S704.
  • a password template is preset.
  • the display of the electronic device may display a password setting interface, and prompt the user to detect the fingerprint image information when the password is preset; after the fingerprint sensor of the electronic device detects the fingerprint image information of the user, calculate the fingerprint image according to the fingerprint image information.
  • the coordinates of the touch center position the processor determines the character information corresponding to the coordinate on the display interface; the processor instructs the memory to store the entered fingerprint image information (as a fingerprint template) and the calculated corresponding character information as a password template.
  • the user can preset the password in the following two ways:
  • the first method is to input the fingerprint template character by character. After the first character and the corresponding fingerprint image are collected, the next character and the corresponding fingerprint image are collected. Until the password is collected; the second way is to continuously enter all the characters, and then repeat the input until the fingerprint image corresponding to all characters is collected.
  • the prompt is changed to the finger that is initially entered; or the fingerprints that are entered multiple times are inconsistent, so as to ensure that the password is preset multiple times during the input process.
  • the fingerprint corresponding to the same character belongs to the same finger. If all characters and fingerprints are successfully collected, the password preset operation is completed.
  • the display interface of the electronic device is the unlocking interface or the password verification interface, that is, when the user inputs a password for verification
  • the user can press the corresponding finger on the corresponding character according to the preset fingerprint.
  • the prompt position of the fingerprint may appear at the character position, prompting the user to input with the correct finger.
  • the character information is corresponding to the touch center position calculated based on the detected fingerprint image.
  • the processor of the electronic device compares with the password template stored in the memory; if the detected fingerprint image and the corresponding character information match successfully, then The password is correct and the verification is passed. If one of the two matches is unsuccessful, the password is incorrect.
  • the upper limit of the number of erroneous inputs can be set. If the number of consecutive erroneous input exceeds the preset upper limit, the password cannot be continuously entered for a period of time.
  • the processor may send an instruction to perform a response operation.
  • the processor determines that the input fingerprint image information and the character information match successfully, the fingerprint template in the password template can be continuously improved according to the input fingerprint image information, so that the subsequent recognition is faster and more accurate.
  • FIG. 8 is a schematic diagram of an input method applied to an application (APP) login on an electronic device according to an embodiment of the present application.
  • the login password of the APP is set to a digital combination “150”, which in turn corresponds to the fingerprint A, the fingerprint B, and the fingerprint C.
  • Figure 8(b) when the user logs in to the APP, you need to enter a password to unlock it.
  • the entered characters and fingerprints are the same as the default password template.
  • Figure 8(c) and Figure 8(d) show two operation cases in which the login fails. If one of the fingerprints and characters matches the preset password template, it cannot be unlocked successfully.
  • the characters of the password verification interface displayed on the display interface may present a random distribution of positions, thereby avoiding being sneaked and improving the security level of the password.
  • the input method provided by the embodiment of the present application can be applied to a payment, webpage or APP login, bank ATM withdrawal password entry, document encryption, screen unlocking, etc., and the set character password can be a combination of numbers, letters or other symbols. , combined with fingerprint information, thereby increasing the security level of the password.
  • FIG. 9 is a schematic diagram of an input device according to an embodiment of the present application.
  • an input device provided by an embodiment of the present application includes: a detecting unit 901 and a processing unit 902.
  • the detecting unit 901 is configured to detect image information of the biometric input on the display interface of the electronic device; and the processing unit 902 is configured to determine, according to the detected image information of the biometric, the first displayed on the display interface and the biometric The character information corresponding to the location.
  • the apparatus of the embodiment of the present application may further include: a storage unit 903; and a storage unit 903 configured to store image information and processing of the biometric detected by the detecting unit 901 when the display interface includes a password setting interface.
  • the unit 902 determines the character information according to the image information of the biometric, and uses the image information of the biometric and the character information as a password template.
  • the processing unit 902 may be further configured to: after the display interface includes the unlock interface or the password verification interface, determine the character information corresponding to the center position of the biometric displayed on the display interface, and the detected creature The image information of the feature and the character information determined according to the image information of the biometric are compared with a preset password template; wherein the password template includes a biometric template and character information corresponding to the biometric template; and the detected creature When the image information of the feature matches the biometric template, and the character information determined according to the image information of the biometric matches the character information corresponding to the biometric template in the password template, the password input is confirmed to be correct.
  • the biometrics can include at least one of: a fingerprint, a palm print, an eye print, and a lip print.
  • the first location can include a central location.
  • this application is not limited thereto.
  • the first position may also be other set positions, such as a position with the highest fingerprint density, a ridge bifurcation position of the fingerprint, and a ridge node position of the fingerprint.
  • biometrics as a fingerprint as an example.
  • the detecting unit 901 is configured to sense fingerprint image information on the electronic device when the finger is preset or input a password, and report the fingerprint image information to the processing unit 902.
  • the processing unit 902 is configured to perform determination processing on the fingerprint image information after receiving the fingerprint image information detected by the detecting unit 901. For example, when the password template is preset, the received fingerprint image and the calculated position coordinate information are converted into character information corresponding to the display interface, and the fingerprint image information and the corresponding character information are transmitted to the storage unit 903, and the fingerprint may also be The image information is encrypted and passed to the storage unit 903 to ensure security.
  • the received fingerprint image is converted into the character information corresponding to the display interface, and the preset character and the fingerprint image information stored in the storage unit 903 are extracted, and the two are compared, according to the comparison result.
  • the display controller issues an instruction and the display performs the corresponding interface switching action.
  • the storage unit 903 is configured to store preset characters and fingerprint image information.
  • the processing unit 902 can further improve the fingerprint image information according to the correct password input during the subsequent verification, and update the fingerprint image information in the storage unit 903.
  • the detecting unit 901 may include a fingerprint touch sensor of the electronic device and a fingerprint touch controller; the processing unit 902 may include a CPU of the electronic device; the storage unit 903 may include a read only memory (ROM), Storage devices such as flash memory.
  • ROM read only memory
  • the input method proposed in the embodiment of the present application implements a combination of biometrics (such as fingerprints) and characters, especially in the biometric-based physical and character logic when the password is preset and verified.
  • biometrics such as fingerprints
  • characters are extracted in one entry process, which improves the convenience of information input, and can be subsequently applied to security in electronic devices (such as mobile phones, computers, car devices, smart homes, etc.).
  • electronic devices such as mobile phones, computers, car devices, smart homes, etc.
  • Highly demanding scenarios such as bank or third party payments, important document encryption, APP or web login.
  • the embodiment of the present application further provides a computer readable storage medium, where the storage medium stores at least one program, and the at least one program is implemented by a processor to implement the input method.
  • All or some of the steps, systems, and functional blocks/units in the methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
  • the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical The components work together.
  • Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
  • Such software may be distributed on a computer readable medium, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • Computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media.
  • Computer storage media include, but are not limited to, Random Access Memory (RAM), Read-Only Memory (ROM), and Electrically Erasable Programmable Read-Only Memory (EEPROM). , flash memory or other memory technology, Compact Disc Read-Only Memory (CD-ROM), Digital Versatile Disc (DVD) or other optical disc storage, magnetic box, magnetic tape, disk storage or other magnetic storage A device, or any other medium that can be used to store desired information and that can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media.

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  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
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  • General Physics & Mathematics (AREA)
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Abstract

L'invention concerne un procédé d'entrée, comportant les étapes consistant à: détecter des informations d'image concernant une caractéristique biologique introduite sur une interface d'affichage d'un dispositif électronique; et déterminer, d'après les informations d'image détectées concernant la caractéristique biologique, des informations de caractère, affichées sur l'interface d'affichage, correspondant à une première position de la caractéristique biologique.
PCT/CN2018/094433 2017-08-18 2018-07-04 Procédé et dispositif d'entrée, et dispositif électronique Ceased WO2019033867A1 (fr)

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