CN113779531A - Mobile terminal touch unlocking processing method and device, mobile terminal and storage medium - Google Patents
Mobile terminal touch unlocking processing method and device, mobile terminal and storage medium Download PDFInfo
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Abstract
The invention discloses a touch unlocking processing method and device for a mobile terminal, the mobile terminal and a storage medium, wherein the method comprises the following steps: judging whether the operation that at least two fingers of a user knock the touch screen is detected; when the operation that at least two fingers of a user hit the touch screen is detected, acquiring finger characteristic information of at least two fingers of the touch screen; and matching and judging the acquired finger characteristic information of at least two fingers which currently strike the touch screen with the pre-input finger characteristic information of at least two fingers which are used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful. The method aims to solve the problems of limitation, low security and high cost of the unlocking scheme of the mobile terminal in the prior art, so that the mobile terminal supports a user to unlock on the full screen on the basis of not adding hardware and has high security.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a touch unlocking processing method and device of a mobile terminal, the mobile terminal and a storage medium.
Background
With the development of science and technology and the continuous improvement of the living standard of people, various mobile terminals such as mobile phones are more and more popular, and the mobile phones become indispensable communication tools in the life of people.
With the evolution of technology, screen off and locking of a mobile phone become basic requirements of users, and the current mainstream screen locking scheme in the market is as follows: digital keyboard lock, capacitance fingerprint lock, optical fingerprint lock, ultrasonic fingerprint lock, face identification, iris identification and the like. It is very obvious that the unlocking operation can be completed on the front side of the screen more and more as just needed.
However, the traditional schemes have advantages and disadvantages, such as low security level of a numeric keyboard; the capacitance fingerprint lock can only be arranged on the side edge or the back of the machine body; the optical fingerprint lock can only be applied to OLED products and can only be used for fixing a small area; the face recognition scheme and the iris recognition scheme both need to occupy the area of a front screen, so that the screen occupation ratio is reduced, and the ultrasonic fingerprint can only be applied to the flexible OLED and is only effective in a specific small area; the mobile terminal unlocking scheme in the prior art has limitations, is low in confidentiality, not beneficial to cost reduction, and cannot improve operation experience.
Thus, there is a need for improvements and enhancements in the art.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and an apparatus for processing touch unlocking of a mobile terminal, a mobile terminal and a storage medium, aiming at solving the technical problems that the unlocking scheme of the mobile terminal in the prior art has limitations, low confidentiality, low cost, and no improvement in operation experience.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a touch unlocking processing method of a mobile terminal is disclosed, wherein the method comprises the following steps:
judging whether the operation that at least two fingers of a user knock the touch screen is detected;
when the operation that at least two fingers of a user hit the touch screen is detected, acquiring finger characteristic information of at least two fingers of the touch screen;
and matching and judging the acquired finger characteristic information of at least two fingers which currently strike the touch screen with the pre-input finger characteristic information of at least two fingers which are used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful.
The touch unlocking processing method of the mobile terminal comprises the following steps of judging whether the operation that at least two fingers of a user knock a touch screen is detected or not:
the method comprises the steps of collecting finger characteristic information of at least two fingers of the same user used for unlocking the mobile terminal and simultaneously knocking a screen for touch in advance, and storing the finger characteristic information.
The touch unlocking processing method for the mobile terminal is characterized in that finger characteristic information of at least two fingers of the same user used for unlocking the mobile terminal and capable of knocking a screen to touch at the same time is collected in advance, and the step of storing the finger characteristic information comprises the following steps:
when an unlocking finger input instruction is received;
detecting the operation of knocking the touch screen by at least two fingers of a user;
collecting fingerprints of at least two fingers of a user knocking the touch screen at the same time from the lower side of the screen;
and simultaneously acquiring image information of at least two fingerprints, and storing the image information as finger characteristic information of at least two fingers for unlocking the mobile terminal after characteristic extraction.
The touch unlocking processing method for the mobile terminal, wherein the finger characteristic information of the at least two fingers comprises the following steps:
the area information of each finger in the at least two fingers in the touch screen area;
mutual position information of all fingers in the touch screen area;
and the click time difference information of each finger in the touch screen area.
The touch unlocking processing method for the mobile terminal, wherein when the operation that at least two fingers of a user knock the touch screen is detected, the step of acquiring the finger characteristic information of at least two fingers currently knocking the touch screen comprises the following steps:
when the operation that at least two fingers of a user strike the touch screen is detected, acquiring the area and the center coordinates of the at least two fingers of the currently struck touch screen in the touch screen area;
and respectively capturing the touch time information of other fingers by taking the touch point time of the first finger as 0.
The touch unlocking processing method for the mobile terminal, wherein when the operation that at least two fingers of a user knock the touch screen is detected, the step of acquiring the finger characteristic information of at least two fingers currently knocking the touch screen further comprises the following steps:
when the operation that at least two fingers of a user strike the touch screen is detected, the distance from each point of the at least two fingers striking the touch screen to the original point in the touch screen, the distance between the points and the mutual time information of the points are obtained, and the finger characteristic information is formed.
The touch unlocking processing method for the mobile terminal comprises the following steps of matching and judging the acquired finger characteristic information of at least two fingers which are used for knocking the touch screen at present and the finger characteristic information of at least two fingers which are used for unlocking the mobile terminal and are input in advance, and controlling the unlocking of the mobile terminal when the matching is successful, wherein the steps comprise:
matching and judging the acquired finger characteristic information of at least two fingers currently knocking the touch screen with the pre-input finger characteristic information of at least two fingers used for unlocking the mobile terminal;
when the acquired finger characteristic information of at least two fingers currently knocking the touch screen is consistent with the finger characteristic information of at least two fingers which are input in advance and used for unlocking the mobile terminal, the matching is considered to be successful;
and when the matching is successful, controlling to unlock the mobile terminal.
A touch unlocking processing device of a mobile terminal, wherein the device comprises:
the system comprises a presetting module, a display module and a display module, wherein the presetting module is used for acquiring finger characteristic information of simultaneous screen touch of at least two fingers of the same user for unlocking the mobile terminal in advance and storing the finger characteristic information;
the judging module is used for judging whether the operation that at least two fingers of a user knock the touch screen is detected;
the detection acquisition module is used for acquiring finger characteristic information of at least two fingers currently knocking the touch screen when the operation that the at least two fingers of the user knock the touch screen is detected;
and the matching and unlocking control module is used for matching and judging the acquired finger characteristic information of at least two fingers which are used for knocking the touch screen at present and the finger characteristic information of at least two fingers which are used for unlocking the mobile terminal and are input in advance, and controlling to unlock the mobile terminal when the matching is successful.
A mobile terminal comprises a memory, a processor and a mobile terminal touch unlocking processing program which is stored in the memory and can run on the processor, wherein when the processor executes the mobile terminal touch unlocking processing program, the step of realizing any mobile terminal touch unlocking processing method is realized.
A computer readable storage medium, wherein a mobile terminal touch unlocking processing program is stored on the computer readable storage medium, and when the mobile terminal touch unlocking processing program is executed by a processor, the steps of any one of the mobile terminal touch unlocking processing methods are realized.
Has the advantages that: compared with the prior art, the invention provides a touch unlocking processing method of a mobile terminal, and provides a mobile phone encryption unlocking scheme with low cost and high confidentiality; the scheme provided by the invention can realize the availability of any position of the full screen and support any display screen (LCD, OLED and flexible OLED) which can be touched by utilizing the existing hardware of the mobile phone and a special algorithm under the condition of not increasing the hardware, thereby providing convenience for the use of users.
Drawings
Fig. 1 is a flowchart of a specific implementation of a touch unlocking processing method of a mobile terminal according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of pre-acquiring finger characteristic information including fingerprints of five fingers according to a second embodiment of the present invention.
Fig. 3 shows finger feature information including fingerprints of five fingers acquired when a mobile phone is unlocked according to a second embodiment of the present invention.
Fig. 4 is a schematic block diagram of a touch unlocking processing device of a mobile terminal according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an internal structure of a terminal device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With the continuous development of science and technology and the continuous upgrade of mobile phones, mobile phones tend to be designed to be thinner and larger, so that people cannot feel too heavy when carrying the mobile phones, but can enjoy the display effect of large screen and high definition when using the mobile phones. However, no matter how the mobile phone is updated, the basic functions of receiving and calling, taking pictures and videos and locking the screen cannot be replaced.
The current mainstream screen locking and unlocking scheme in the market comprises the following steps: digital keyboard lock, capacitive fingerprint unlocking, optical fingerprint unlocking, ultrasonic fingerprint unlocking, face recognition, iris recognition and other unlocking modes. However, the confidentiality degree of unlocking the numeric keyboard is low, and the requirement of people for privacy protection cannot be met; the mobile phone using the capacitive fingerprint unlocking mode generally needs to arrange the capacitive fingerprint acquisition module on the side surface or the back surface of the mobile phone, so that the appearance is influenced when the position of a mobile phone shell is occupied, and the side capacitive fingerprint acquisition module can greatly influence the light and thin of the mobile phone; optical fingerprint unlocking and ultrasonic fingerprint unlocking can be implemented only in a small screen range, free unlocking cannot be achieved, partial under-screen fingerprint unlocking is not particularly safe, and a mobile phone can be unlocked according to fingerprint information only by collecting fingerprints by some people with no particular interest; the last facial recognition and iris recognition are performed by aligning the camera with the face or eyes when the camera is unlocked, and the camera is required to be waited for collecting information of the face or eyes, so that the time is long and the process is complicated. In the prior art, except for the unlocking modes, no other unlocking scheme which gives consideration to unlocking convenience and cost and has certain confidentiality exists.
In order to solve the above problem, an embodiment of the present invention provides a touch unlocking processing method for a mobile terminal, where the touch unlocking processing method for a mobile terminal according to the present embodiment can automatically identify a contact area between each finger and a screen when a user simultaneously touches the screen with a plurality of fingers, a distance and a relative position relationship between falling points of each finger on the screen, a falling time interval of each finger, and other gesture characteristics, and perform an unlocking operation on the mobile terminal by analyzing whether the gesture characteristics conform to preset gesture characteristics. The user can unlock the screen at any angle through the full screen, and the unlocking is recognized according to the behavior habit of the user, so that the unlocking cannot be easily cracked, and the privacy safety of the user is protected while the unlocking experience is facilitated for the user.
Exemplary method
First embodiment
As shown in fig. 1, an embodiment of the present invention provides a touch unlocking processing method for a mobile terminal, where the touch unlocking processing method for the mobile terminal can be used in mobile devices such as a mobile phone and a tablet computer. The method in the embodiment of the invention comprises the following steps:
s100, judging whether the operation that at least two fingers of a user knock a touch screen is detected;
in this embodiment, when the mobile terminal is in the lock screen state, judge whether the screen of mobile terminal has received two or more than two fingers and has knocked the screen, then judge whether the screen detects the screen area in the short time continuously that the electrical parameter that has two or more than two positions changes by the angle of mobile terminal, the electrical parameter includes parameters such as capacitance value, resistance value that are often used for detecting the touch-sensitive screen field that the user operated to the touch-sensitive screen.
Wherein, before the step of judging whether the operation of knocking the touch screen by at least two fingers of the user is detected, the method comprises the following steps:
the method comprises the steps of collecting finger characteristic information of at least two fingers of the same user used for unlocking the mobile terminal and simultaneously knocking a screen for touch in advance, and storing the finger characteristic information.
Further, the finger characteristic information of the at least two fingers includes:
the area information of each finger in the at least two fingers in the touch screen area;
mutual position information of all fingers in the touch screen area;
and the click time difference information of each finger in the touch screen area.
Before the mobile terminal receives an unlocking operation of a user, finger characteristic information used by the user for unlocking the mobile terminal needs to be collected and stored in a storage space of the mobile terminal. The step of collecting the finger characteristic information by the mobile terminal specifically comprises the following steps: after receiving an operation instruction for starting the unlocking finger input interface, the mobile terminal controls to start the unlocking finger input interface; when the unlocking finger is started to be input, the operation that the touch screen is knocked by at least two fingers of the user for multiple times is detected, the mobile terminal is used for collecting the operation that the touch screen is knocked by the fingers of the user for multiple times, finger characteristic information of gesture habits and force habits when the user unlocks the fingers is obtained, the finger characteristic information specifically comprises area information occupied by each finger in the touch screen region in at least two fingers, position information of each finger between the touch screen regions, click time difference information of each finger in the touch screen regions and the like, the finger characteristic information is stored in a storage space corresponding to the mobile terminal, and the number of fingers participating in unlocking can be noted so that the user can edit the input finger characteristic information.
For example, the user a opens a finger entry interface in the mobile phone setting, and selects three fingers of the index finger, the middle finger and the ring finger to enter the finger feature information according to the prompt, then the user repeatedly lifts and taps the screen according to the natural hand shape and strength that the user is accustomed to, further, the collection precision can be improved by repeatedly collecting the finger feature information at an angle of rotating the mobile phone screen, and after collection, the mobile phone stores the entered first finger feature information in the storage space of the mobile phone and marks the first finger feature information as the finger feature information of the three fingers. For example, the information collected includes that the area of the first finger portion is a1, the area of the second finger portion is a2, and the area of the third finger portion is A3; taking the first finger as the origin of coordinates, preferably using a polar coordinate system to measure the relative positions of the other two fingers, for example, the polar coordinates of the second finger are (distance 1, angle 1), and the polar coordinates of the third finger are (distance 2, angle 2), so as to obtain the relative positions of the three finger hitting points. In addition to the polar coordinate system, any method capable of representing the relative position of each finger may be used for recording, for example, a rectangular coordinate system; and recording the time of tapping the screen of the mobile phone by the first finger as 0, recording the time of tapping the screen of the mobile phone by the second finger as t1, and recording the time of tapping the screen of the mobile phone by the third finger as t 2. And judging the acquired unlocking gesture through an algorithm by any one or combination of any more of the three finger characteristic information parameters when the three finger heads perform unlocking operation on the mobile phone in actual use.
Besides the area, the relative position information and the click time difference information, the gesture recognition method can also recognize the gesture of the user through any parameters capable of representing the gesture characteristics of the user, for example, the pressure sensor detects the knocking force of each finger, the change rate of the contact area when each finger knocks, and the like.
Further, step S200, when the operation that at least two fingers of the user knock the touch screen is detected, acquiring the finger characteristic information of at least two fingers currently knocking the touch screen;
in this embodiment, when it is detected that the user has an operation of knocking the touch screen by at least two fingers, the finger characteristic information of the at least two fingers currently knocking the touch screen is obtained, and at the angle of the mobile terminal, area information, position information, and time information of a knocking point corresponding to the electrical parameter variation values of the at least two positions are obtained.
For example, when the mobile phone capacitive screen is tapped by using only one index finger and one finger, the mobile phone touch screen does not meet the unlocking condition because only one position is detected to generate capacitance change; when the mobile phone is held in a hand or placed in a pocket, large-area capacitance value change caused by mistaken touch does not meet the unlocking condition; and only when at least two fingers are continuously acquired within 0.5 second or shorter time to tap the mobile phone touch screen, namely the mobile phone touch screen continuously detects that more than two positions generate capacitance change, the capacitance change value is acquired and converted into tap area, position coordinates and time information in the finger characteristic information.
Further, step S300, matching and judging the acquired finger characteristic information of at least two fingers currently knocking the touch screen with the pre-entered finger characteristic information of at least two fingers used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful.
In this embodiment, the mobile terminal compares and judges the acquired finger characteristic information when at least two fingers hit the touch screen of the mobile terminal with the pre-entered finger characteristic information of a corresponding number of fingers for unlocking the mobile terminal, and unlocks the mobile terminal when the finger characteristic information acquired when the touch screen is currently hit is successfully matched with the pre-entered finger characteristic information, wherein the condition that the matching is successful can be that the similarity between the currently acquired post characteristic information and the entered finger characteristic information exceeds 80%, and the mobile terminal is unlocked when the similarity between the currently acquired finger characteristic information and the pre-entered finger characteristic information reaches more than 80%; and when the similarity is judged to be lower than the preset numerical value, the mobile terminal is not unlocked, an operator is prompted when multiple times of continuous unlocking failures occur, the mobile terminal is locked for one hour after three or five times of continuous failures, and the like, so that the safety of the mobile terminal is further improved.
For example, when the acquired finger characteristics information is that the area of the first finger is a4, the area of the second finger is a5, and the area of the third finger is a6 when the finger taps the touch screen; acquiring the first finger knocking position as the center of the mobile phone, the polar coordinates of the second finger as (distance 3, angle 3) and the polar coordinates of the third finger as (distance 4, angle 4); the second finger hits the screen at t3 and the third finger hits the screen at t 4. When the mobile phone compares the information with finger characteristic information A1, A2, A3, (distance 1, angle 1), (distance 2, angle 2), t1 and t2 of three preset fingers in the mobile phone for unlocking the mobile terminal, if the similarity with the preset value is calculated by an algorithm, the matching is successful, the mobile phone is unlocked, and if the similarity with the preset value is lower than 80%, the matching is not matched, and the mobile phone locking state is maintained.
In the second embodiment, the security of the mobile terminal is further enhanced on the basis of the scheme of the first embodiment by fingerprint identification on the basis of finger characteristic information identification, if the mobile phone needs to be cracked, besides a plurality of finger fingerprints of a user, the gesture habits and the pressing pressure habits of the user need to be known, even if the fingerprints on the same finger are used, a part which is often used for unlocking and a part which is not often used for unlocking exist, for example, a mobile phone user is used to stand the finger for knocking, fingerprints at positions below the finger belly hardly exist in the input finger characteristic information, and if a person who is not happy simply places the manufactured fingerprints on a mobile phone screen according to corresponding positions, the mobile phone also cannot be unlocked.
As shown in fig. 2, which is a schematic diagram when finger characteristic information is preset by a user, fingers participating in unlocking include A, B, C, D, E five fingers, and fingerprint information, area information, coordinate information and relative time information when the five fingers actually touch a screen are obtained, which are respectively fingerprint a, fingerprint B, fingerprint C, fingerprint D and fingerprint E; areas Sa, Sb, Sc, Sd, Se; coordinate information (Xa, Ya), (Xb, Yb), (Xc, Yc), (Xd, Yd), (Xe, Ye) with the screen center as the origin; and relative falling time, when B is the finger clock Tb which falls first is 0s, the relative falling time of other fingers is Ta, Tc, Td and Te.
When the user actually uses the five fingers to unlock the handset, as shown in fig. 3. Firstly, separating fingerprint information from finger characteristic information, judging whether the fingerprint information accords with the preset finger characteristic information, and if not, directly judging that unlocking fails; or judging whether the finger characteristic information is preset finger characteristic information or not through other finger characteristic information and then judging whether the fingerprint is matched or not, identifying the relative positions of the five fingers by adopting a rectangular coordinate system mode if the finger characteristic information currently collected is the finger characteristic information for unlocking the mobile phone screen, wherein the finger falling time Tb ' currently obtained for retrieval if the finger B is still the finger falling first is 0s, obtaining the relative position information of the five fingers by judging that the relative position information of the five fingers is basically consistent with the relative position information in the preset finger characteristic information, wherein the similarity reaches more than 90 percent, and/or the sizes of the pressed areas Sa ', Sb ', Sc ', Sd ', Se ' of all the fingers are also basically consistent with the preset finger characteristic information, and the similarity reaches 83 percent, and/or the falling time intervals Ta ', Tc ', Td ' of all the fingers are also basically consistent with the preset finger characteristic information, And Te' is also basically successfully matched with the preset finger characteristic information, the matching of the currently identified finger characteristic information is judged to be successful through any one or more combinations of the three items, whether the fingerprint is also consistent with the preset finger characteristic information is further identified, and the mobile phone is controlled to be unlocked if the matching is successful. The security of the user when the mobile terminal is used for unlocking the function is further improved by adding the fingerprint identification information into the finger characteristic information, the mobile terminal is not required to be unlocked in a fingerprint mode, and the use experience of the user is improved.
Exemplary device
As shown in fig. 4, an embodiment of the present invention provides a touch unlock processing device for a mobile terminal, including: the device comprises a presetting module 410, a judging module 420, a detection obtaining module 430 and a matching and unlocking control module 440. Specifically, the presetting module 410 is configured to collect in advance finger characteristic information of at least two fingers of the same user for unlocking the mobile terminal, which are touched by simultaneously tapping the screen, and store the finger characteristic information; the judging module 420 is configured to judge whether an operation of a user that at least two fingers strike the touch screen is detected; the detection acquisition module 430 is configured to, when detecting that the user taps the touch screen with at least two fingers, acquire finger feature information of the at least two fingers currently tapping the touch screen; and the matching and unlocking control module 440 is configured to match and judge the acquired finger characteristic information of the at least two fingers currently knocking the touch screen with the pre-entered finger characteristic information of the at least two fingers used for unlocking the mobile terminal, and control to unlock the mobile terminal when the matching is successful.
Based on the above embodiments, the present invention further provides a terminal device, and a schematic block diagram thereof may be as shown in fig. 5. The terminal equipment comprises a processor, a memory, a network interface and a display screen which are connected through a system bus. Wherein the processor of the terminal device is configured to provide computing and control capabilities. The memory of the terminal equipment comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the terminal device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to realize touch unlocking processing of the mobile terminal. The display screen of the terminal equipment can be a liquid crystal display screen or an electronic ink display screen.
It will be understood by those skilled in the art that the block diagram in fig. 5 is only a block diagram of a part of the structure related to the solution of the present invention, and does not constitute a limitation to the terminal device to which the solution of the present invention is applied, and a specific terminal device may include more or less components than those in the figure, or combine some components, or have different component arrangements.
In one embodiment, a terminal device is provided, where the terminal device includes a memory, a processor, and a mobile terminal touch unlocking processing program stored on and executable on the processor, and the processing executes the following steps:
judging whether the operation that at least two fingers of a user knock the touch screen is detected;
when the operation that at least two fingers of a user hit the touch screen is detected, acquiring finger characteristic information of at least two fingers of the touch screen;
and matching and judging the acquired finger characteristic information of at least two fingers which currently strike the touch screen with the pre-input finger characteristic information of at least two fingers which are used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful.
Wherein, whether the step of judging whether the operation that the user knocks the touch screen with at least two fingers comprises:
the method comprises the steps of collecting finger characteristic information of at least two fingers of the same user used for unlocking the mobile terminal and simultaneously knocking a screen for touch in advance, and storing the finger characteristic information.
Wherein, gather in advance and be used for unblock mobile terminal's the same user's of same user at least two finger heads and strike the finger characteristic information that the screen touched simultaneously to the step of storage includes:
when an unlocking finger input instruction is received;
detecting the operation of knocking the touch screen by at least two fingers of a user;
collecting fingerprints of at least two fingers of a user knocking the touch screen at the same time from the lower side of the screen;
and simultaneously acquiring image information of at least two fingerprints, and storing the image information as finger characteristic information of at least two fingers for unlocking the mobile terminal after characteristic extraction.
Wherein, the finger characteristic information of two at least finger heads includes:
the area information of each finger in the at least two fingers in the touch screen area;
mutual position information of all fingers in the touch screen area;
and the click time difference information of each finger in the touch screen area.
Wherein, when detecting the operation that two at least fingers of user hit the touch-sensitive screen, then the step of obtaining the finger characteristic information of two at least fingers of current tapping touch-sensitive screen includes:
when the operation that at least two fingers of a user strike the touch screen is detected, acquiring the area and the center coordinates of the at least two fingers of the currently struck touch screen in the touch screen area;
and respectively capturing the touch time information of other fingers by taking the touch point time of the first finger as 0.
Wherein, when detecting the operation that two at least fingers of user hit the touch-sensitive screen, then the step of obtaining the finger characteristic information of two at least fingers of current tapping touch-sensitive screen still includes:
when the operation that at least two fingers of a user strike the touch screen is detected, the distance from each point of the at least two fingers striking the touch screen to the original point in the touch screen, the distance between the points and the mutual time information of the points are obtained, and the finger characteristic information is formed.
Wherein, finger characteristic information of two at least fingers that will obtain the current touch screen of strikeing matches the judgement with the finger characteristic information of two at least fingers that are used for unblock mobile terminal who types in advance, and the step that then controls unblock mobile terminal when the matching is successful includes:
matching and judging the acquired finger characteristic information of at least two fingers currently knocking the touch screen with the pre-input finger characteristic information of at least two fingers used for unlocking the mobile terminal;
when the acquired finger characteristic information of at least two fingers currently knocking the touch screen is consistent with the finger characteristic information of at least two fingers which are input in advance and used for unlocking the mobile terminal, the matching is considered to be successful;
and when the matching is successful, controlling to unlock the mobile terminal.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
In summary, the present invention discloses a method and an apparatus for processing touch unlocking of a mobile terminal, the mobile terminal and a storage medium, wherein the method comprises: judging whether the operation that at least two fingers of a user knock the touch screen is detected; when the operation that at least two fingers of a user hit the touch screen is detected, acquiring finger characteristic information of at least two fingers of the touch screen; and matching and judging the acquired finger characteristic information of at least two fingers which currently strike the touch screen with the pre-input finger characteristic information of at least two fingers which are used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful. The method aims to solve the problems of limitation, low security and high cost of the unlocking scheme of the mobile terminal in the prior art, so that the mobile terminal supports a user to unlock on the full screen on the basis of not adding hardware and has high security.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A touch unlocking processing method of a mobile terminal is characterized by comprising the following steps:
judging whether the operation that at least two fingers of a user knock the touch screen is detected;
when the operation that at least two fingers of a user hit the touch screen is detected, acquiring finger characteristic information of at least two fingers of the touch screen;
and matching and judging the acquired finger characteristic information of at least two fingers which currently strike the touch screen with the pre-input finger characteristic information of at least two fingers which are used for unlocking the mobile terminal, and controlling to unlock the mobile terminal when the matching is successful.
2. The touch unlocking processing method of the mobile terminal according to claim 1, wherein the step of determining whether the operation of tapping the touch screen by at least two fingers of the user is detected comprises:
the method comprises the steps of collecting finger characteristic information of at least two fingers of the same user used for unlocking the mobile terminal and simultaneously knocking a screen for touch in advance, and storing the finger characteristic information.
3. The touch unlocking processing method of the mobile terminal according to claim 2, wherein the step of pre-collecting and storing finger characteristic information of at least two fingers of the same user for unlocking the mobile terminal, which are touched by simultaneously tapping the screen, comprises:
when an unlocking finger input instruction is received;
detecting the operation of knocking the touch screen by at least two fingers of a user;
collecting fingerprints of at least two fingers of a user knocking the touch screen at the same time from the lower side of the screen;
and simultaneously acquiring image information of at least two fingerprints, and storing the image information as finger characteristic information of at least two fingers for unlocking the mobile terminal after characteristic extraction.
4. The touch unlocking processing method of the mobile terminal according to claim 1, wherein the finger feature information of the at least two fingers comprises:
the area information of each finger in the at least two fingers in the touch screen area;
mutual position information of all fingers in the touch screen area;
and the click time difference information of each finger in the touch screen area.
5. The touch unlocking processing method of the mobile terminal according to claim 1, wherein the step of acquiring the finger feature information of at least two fingers currently tapping the touch screen when the operation of tapping the touch screen by at least two fingers of the user is detected comprises:
when the operation that at least two fingers of a user strike the touch screen is detected, acquiring the area and the center coordinates of the at least two fingers of the currently struck touch screen in the touch screen area;
and respectively capturing the touch time information of other fingers by taking the touch point time of the first finger as 0.
6. The touch unlocking processing method of the mobile terminal according to claim 1, wherein the step of acquiring the finger feature information of at least two fingers currently tapping the touch screen when the operation of tapping the touch screen by at least two fingers of the user is detected further comprises:
when the operation that at least two fingers of a user strike the touch screen is detected, the distance from each point of the at least two fingers striking the touch screen to the original point in the touch screen, the distance between the points and the mutual time information of the points are obtained, and the finger characteristic information is formed.
7. The touch unlocking processing method of the mobile terminal according to claim 1, wherein the step of matching and judging the acquired finger characteristic information of at least two fingers currently knocking the touch screen with the pre-entered finger characteristic information of at least two fingers used for unlocking the mobile terminal, and the step of controlling to unlock the mobile terminal when the matching is successful comprises:
matching and judging the acquired finger characteristic information of at least two fingers currently knocking the touch screen with the pre-input finger characteristic information of at least two fingers used for unlocking the mobile terminal;
when the acquired finger characteristic information of at least two fingers currently knocking the touch screen is consistent with the finger characteristic information of at least two fingers which are input in advance and used for unlocking the mobile terminal, the matching is considered to be successful;
and when the matching is successful, controlling to unlock the mobile terminal.
8. A touch unlocking processing device of a mobile terminal is characterized by comprising:
the system comprises a presetting module, a display module and a display module, wherein the presetting module is used for acquiring finger characteristic information of simultaneous screen touch of at least two fingers of the same user for unlocking the mobile terminal in advance and storing the finger characteristic information;
the judging module is used for judging whether the operation that at least two fingers of a user knock the touch screen is detected;
the detection acquisition module is used for acquiring finger characteristic information of at least two fingers currently knocking the touch screen when the operation that the at least two fingers of the user knock the touch screen is detected;
and the matching and unlocking control module is used for matching and judging the acquired finger characteristic information of at least two fingers which are used for knocking the touch screen at present and the finger characteristic information of at least two fingers which are used for unlocking the mobile terminal and are input in advance, and controlling to unlock the mobile terminal when the matching is successful.
9. A mobile terminal, characterized in that the mobile terminal comprises a memory, a processor and a mobile terminal touch unlocking processing program stored in the memory and capable of running on the processor, and when the processor executes the mobile terminal touch unlocking processing program, the steps of the mobile terminal touch unlocking processing method according to any one of claims 1 to 7 are implemented.
10. A computer-readable storage medium, wherein a mobile terminal touch unlock processing program is stored on the computer-readable storage medium, and when the mobile terminal touch unlock processing program is executed by a processor, the steps of the mobile terminal touch unlock processing method according to any one of claims 1 to 7 are implemented.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110922503.4A CN113779531A (en) | 2021-08-12 | 2021-08-12 | Mobile terminal touch unlocking processing method and device, mobile terminal and storage medium |
| PCT/CN2021/122368 WO2023015700A1 (en) | 2021-08-12 | 2021-09-30 | Touch-control unlocking processing method and apparatus for mobile terminal, mobile terminal and storage medium |
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| CN202110922503.4A CN113779531A (en) | 2021-08-12 | 2021-08-12 | Mobile terminal touch unlocking processing method and device, mobile terminal and storage medium |
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