CN109902473B - Pattern generation method, pattern generation device and mobile terminal - Google Patents
Pattern generation method, pattern generation device and mobile terminal Download PDFInfo
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- CN109902473B CN109902473B CN201910146835.0A CN201910146835A CN109902473B CN 109902473 B CN109902473 B CN 109902473B CN 201910146835 A CN201910146835 A CN 201910146835A CN 109902473 B CN109902473 B CN 109902473B
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Abstract
The application is applicable to the technical field of mobile terminals, and provides a pattern generation method, a pattern generation device, a mobile terminal and a computer-readable storage medium, comprising the following steps: when touch operation on the touch screen is detected, acquiring signal variation of all coordinate points on the touch screen, wherein the signal variation of a coordinate point is a difference value between a signal quantity generated at the coordinate point when a current touch object touches the touch screen and a signal quantity generated at the coordinate point when the current touch object does not touch the touch screen; acquiring coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen; and generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero. Through the method and the device, the characteristic pattern of the touch object can be generated according to the signal variation of the touch screen, and the generation cost of the pattern is reduced.
Description
Technical Field
The present application belongs to the technical field of mobile terminals, and in particular, to a pattern generation method, a pattern generation apparatus, a mobile terminal, and a computer-readable storage medium.
Background
With the popularization of mobile terminals such as mobile phones and tablet computers, more and more information is stored in the mobile terminals, and in order to improve the security of the mobile terminals, before the mobile terminals are used or an application program in the mobile terminals is opened, authentication is generally required to be performed, for example, fingerprint authentication is performed by collecting fingerprint patterns. However, collecting the fingerprint pattern requires installing a fingerprint collection module in the mobile terminal, which is costly.
Disclosure of Invention
In view of the above, the present application provides a pattern generation method, a pattern generation apparatus, a mobile terminal and a computer readable storage medium to generate a characteristic pattern of a touch object according to a signal variation of a touch screen, so as to reduce a pattern generation cost.
A first aspect of the present application provides a pattern generation method, including:
when touch operation on the touch screen is detected, acquiring signal variation of all coordinate points on the touch screen, wherein the signal variation of a coordinate point is a difference value between a signal quantity generated at the coordinate point when a current touch object touches the touch screen and a signal quantity generated at the coordinate point when the current touch object does not touch the touch screen;
acquiring coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen;
and generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
A second aspect of the present application provides a pattern generation apparatus comprising:
the touch control device comprises a semaphore acquisition module, a comparison module and a display module, wherein the semaphore acquisition module is used for acquiring signal variable quantities of all coordinate points on the touch screen when touch operation on the touch screen is detected, and the signal variable quantities of the coordinate points refer to difference values between semaphore generated at the coordinate points when a current touch object touches the touch screen and semaphore generated at the coordinate points when the current touch object does not touch the touch screen;
the coordinate point acquisition module is used for acquiring coordinate points with non-zero signal variation in all the coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen;
and the pattern generation module is used for generating the characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
A third aspect of the present application provides a mobile terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the pattern generation method according to the first aspect when executing the computer program.
A fourth aspect of the present application provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the pattern generation method as described in the first aspect above.
A fifth aspect of the application provides a computer program product comprising a computer program which, when executed by one or more processors, performs the steps of the pattern generation method as described in the first aspect above.
From top to bottom, this application scheme acquires when detecting the touch operation to the touch-sensitive screen the signal variation of all coordinate points on the touch-sensitive screen, according to the signal variation of all coordinate points on the touch-sensitive screen acquires the coordinate point that signal variation is nonzero in all coordinate points on the touch-sensitive screen, and according to the coordinate point that signal variation is nonzero, generates the characteristic pattern of current touch object. According to the method and the device, the characteristic pattern of the current touch object is generated according to the signal variation of the touch screen, an image acquisition device (such as a fingerprint acquisition module) can be prevented from being installed in the mobile terminal, and the generation cost of the pattern is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow chart illustrating an implementation of a pattern generation method according to an embodiment of the present application;
FIG. 2a is an exemplary view of an X-axis electrode; FIG. 2b is an exemplary view of a Y-axis electrode; FIG. 2c is a combined illustration of X-axis and Y-axis electrodes;
FIG. 3a is a graph of an example of raw semaphores for a touch screen; FIG. 3b is an exemplary graph of signal variations for a touch screen;
FIG. 4a is an exemplary diagram of a coordinate point on a touch screen where the variation of a signal is not zero; FIG. 4b is an exemplary graph of a pattern of features of a currently touching object;
fig. 5 is a schematic flow chart illustrating an implementation of a pattern generation method provided in the second embodiment of the present application;
fig. 6 is a schematic flow chart illustrating an implementation of a pattern generation method provided in the third embodiment of the present application;
fig. 7 is a schematic view of a pattern generation apparatus provided in the fourth embodiment of the present application;
fig. 8 is a schematic diagram of a mobile terminal according to a fifth embodiment of the present application;
fig. 9 is a schematic diagram of a mobile terminal according to a sixth embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In particular implementations, the mobile terminals described in embodiments of the present application include, but are not limited to, other portable devices such as mobile phones, laptop computers, or tablet computers having touch sensitive surfaces (e.g., touch screen displays and/or touch pads). It should also be understood that in some embodiments, the device is not a portable communication device, but is a desktop computer having a touch-sensitive surface (e.g., a touch screen display and/or touchpad).
In the discussion that follows, a mobile terminal that includes a display and a touch-sensitive surface is described. However, it should be understood that the mobile terminal may include one or more other physical user interface devices such as a physical keyboard, mouse, and/or joystick.
The mobile terminal supports various applications, such as one or more of the following: a drawing application, a presentation application, a word processing application, a website creation application, a disc burning application, a spreadsheet application, a gaming application, a telephone application, a video conferencing application, an email application, an instant messaging application, an exercise support application, a photo management application, a digital camera application, a web browsing application, a digital music player application, and/or a digital video player application.
Various applications that may be executed on the mobile terminal may use at least one common physical user interface device, such as a touch-sensitive surface. One or more functions of the touch-sensitive surface and corresponding information displayed on the terminal can be adjusted and/or changed between applications and/or within respective applications. In this way, a common physical architecture (e.g., touch-sensitive surface) of the terminal can support various applications with user interfaces that are intuitive and transparent to the user.
It should be understood that, the sequence numbers of the steps in this embodiment do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation to the implementation process of the embodiment of the present application.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Referring to fig. 1, which is a schematic flow chart of an implementation of a pattern generation method provided in an embodiment of the present application, as shown in the figure, the pattern generation method may include the following steps:
step S101, when the touch operation on the touch screen is detected, acquiring the signal variation of all coordinate points on the touch screen.
The signal variation of the coordinate point is a difference value between a signal quantity generated at the coordinate point when the touch object touches the touch screen and a signal quantity generated at the coordinate point when the touch object does not touch the touch screen.
In this embodiment, the currently touched object may refer to an object that is currently performing a touch operation on the touch screen. For example, a metal official seal is held by a hand, and the metal official seal is pressed on the touch screen, and the metal official seal is a current touch object.
In the embodiment of the present application, a certain number of capacitive electrode channels (e.g. 16 × 36 as common) are generally arranged in the direction X, Y of the touch screen, and as shown in fig. 2a, the capacitive electrode channels are X-axis electrodes, fig. 2b are Y-axis electrodes, and fig. 2c is a combination of X-axis and Y-axis electrodes, that is, the X-axis and Y-axis electrodes are staggered, and the staggered position is the position where the capacitor is located, thereby forming an X × Y matrix, and each point of the matrix is distributed with X and Y coordinates corresponding to the position where the capacitor is located, and is located at the X-th X-axis electrode and the Y-th-axis electrode. When a conductor (e.g., a human body) touches a certain coordinate point on the touch screen, the signal quantity of the coordinate point changes (the signal quantity of the coordinate point becomes large), and thus the coordinate where the touched position is located in the capacitance matrix can be located. Fig. 3a shows an exemplary graph of the original signal amount of the touch screen, i.e., the signal amount generated when the finger does not touch the screen (i.e., the touch screen), and fig. 3b shows the signal variation amount of the touch screen, i.e., the difference between the signal amount generated when the finger touches the screen and the signal amount generated when the finger does not touch the screen. As can be seen from fig. 3a and 3b, when a touch operation on the touch screen is detected, the signal amount at the touch position changes, and the signal amounts at other positions do not change (i.e., the signal change amount at other positions is zero).
And step S102, obtaining coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all coordinate points on the touch screen.
In this embodiment of the application, the position of the coordinate point where the signal variation is not zero may refer to a contact position of a current touch object and the touch screen.
And step S103, generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
In this embodiment of the application, a pattern formed by the coordinate points with the signal variation amount being not zero is the characteristic pattern of the current touch object.
Optionally, the generating the characteristic pattern of the current touch object according to the coordinate point where the signal variation is not zero includes:
generating a blank image with a preset size, marking a coordinate point with the signal variation not being zero in the blank image, wherein the marked image is the characteristic pattern of the current touch object.
In this embodiment of the present application, the blank image may refer to an image with pixel points having grayscale values of 255. When the coordinate points with the signal variation being not zero are marked in the blank image, it is required to ensure that the relative position or the distribution rule between the coordinate points with the signal variation being not zero is not changed, for example, the coordinate points a and B with the signal variation being not zero on the touch screen are in the same row as a row B and are located in the next column of a, and then when the coordinate points a and B are marked in the blank image, the coordinate points a and B are in the same row as a column B and are located in the next column of a. Fig. 4a is an exemplary graph of coordinate points on the touch screen where the signal variation is not zero, and fig. 4b is an exemplary graph of characteristic patterns of a currently touched object. The mark is used to identify the position of a coordinate point with a non-zero signal variation in the feature pattern, for example, the gray value of a pixel point corresponding to the coordinate point with the non-zero signal variation in the feature pattern is set to 0.
It should be noted that the feature pattern of the current touch object generated according to the coordinate point with the signal variation being not zero may be used for not only authentication, but also carrying specific information, for example, if the current touch object is a official seal engraved with a company name, the feature pattern of the official seal carries the company name.
According to the embodiment of the application, the characteristic pattern of the current touch object is generated according to the signal variation of the touch screen, an image acquisition device (such as a fingerprint acquisition module) can be prevented from being installed in the mobile terminal, and the generation cost of the pattern is reduced.
Referring to fig. 5, which is a schematic flow chart of an implementation of the pattern generation method provided in the second embodiment of the present application, as shown in the figure, the pattern generation method may include the following steps:
step S501, when the touch operation on the touch screen is detected, acquiring signal variation of all coordinate points on the touch screen.
The step is the same as step S101, and reference may be made to the related description of step S101, which is not repeated herein.
Step S502, obtaining coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all coordinate points on the touch screen.
The step is the same as step S102, and reference may be made to the related description of step S102, which is not repeated herein.
Step S503, acquiring a distribution rule of the coordinate points with the signal variation being not zero.
Step S504, determining whether the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule.
Step S505, if the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule, determining that the current touch object is a preset object.
In the embodiment of the present application, the distribution rule of the coordinate points with the non-zero signal variation may refer to an edge shape formed by the coordinate points located at the edge in the coordinate points with the non-zero signal variation, or an edge shape formed by the coordinate points located at the edge in the coordinate points with the non-zero signal variation and whether there is a coordinate point with the non-zero signal variation in the edge shape (excluding the edge). The preset distribution rule can be a standard which is preset by a user and used for judging whether the current touch object is the preset object, the preset distribution rule can be that the edge shape formed by the coordinate points at the edge in the coordinate points with the signal variation not being zero is a preset shape, or the edge shape formed by the coordinate points at the edge in the coordinate points with the signal variation not being zero is a preset shape and the edge shape has the coordinate points with the signal variation not being zero in the edge shape. If the edge shape formed by the coordinate points at the edge in the coordinate points with the signal variation not being zero is a preset shape, determining that the current touch object is the preset object, and if the edge shape formed by the coordinate points at the edge in the coordinate points with the signal variation not being zero is not the preset shape, determining that the current touch object is not the preset object; or if the edge shape that the coordinate point that lies in the edge in the coordinate point that signal variation is nonzero is for predetermineeing the shape and being in there is the coordinate point that signal variation is nonzero in the edge shape, then confirm current touch object is for predetermineeing the object, if the edge shape that lies in the coordinate point that the edge is constituteed in the coordinate point that signal variation is nonzero is not predetermine the shape or is in there is not the coordinate point that signal variation is nonzero in the edge shape, then confirms current touch object is not predetermine the object.
In the embodiment of the present application, the preset object may refer to a preset object of a certain type or having a certain function, including but not limited to a metal official seal having uniqueness.
In order to improve the efficiency of obtaining the signal variation in all coordinate points on the touch screen, the metal common seal may be customized according to a touch screen of a user mobile terminal, a square metal common seal is customized, a capacitance channel of the touch screen is an X Y matrix, a seal surface of the square metal common seal may be divided into an X matrix, each point in the X matrix corresponds to the width of a capacitance channel on the touch screen, for example, the width of the touch screen is 5cm, 16 capacitance channels correspond to each other, each channel is about 3mm, then the side length of the seal surface square may be set to 5cm, the side length of each sub-square in the seal surface matrix is 3mm, and a part of the seal surface matrix corresponding to 3mm X3 mm is hollowed out to form a pattern similar to a two-dimensional code. When the metal seal is pressed on the touch screen, a human body forms a channel with the touch screen through the metal seal, the non-hollowed position of the metal seal contacts the touch screen to enable the signal quantity to be increased, and the touch screen can obtain the surface pattern (namely the characteristic pattern) of the current metal seal by analyzing the characteristic values.
In the embodiment of the application, the mobile terminal can be firstly bound with the preset object, the touch screen is switched to the input mode during binding, when the preset object is detected to be in contact with the touch screen, the characteristic pattern (namely the standard pattern) of the preset object is obtained, and the characteristic pattern of the preset object is stored in the flash memory of the touch screen. The entry mode may be a mode for entering a standard pattern, and information may be entered in the entry mode, but common operations such as sliding or clicking on the touch screen cannot be recognized. For example, in the Active mode, a click operation is performed on an icon of an application program displayed on the touch panel to start the application program, but in the entry mode, a characteristic pattern of the click operation is usually acquired and the application program is not started. The Active mode may refer to a mode for detecting and recognizing a general touch event, for example, recognizing an effect of a touch operation.
Step S506, if the current touch object is a preset object, generating a feature pattern of the current touch object according to a coordinate point where the signal variation is not zero.
According to the embodiment of the application, before the characteristic pattern of the current touch object is generated, whether the current touch object is a preset object or not is judged, the preset object has uniqueness, the current touch object can be pre-screened by judging whether the current touch object is the preset object or not, and the object without the permission of generating the pattern is screened out.
Referring to fig. 6, which is a schematic flow chart of an implementation of a pattern generation method provided in the third embodiment of the present application, as shown in the figure, the pattern generation method may include the following steps:
step S601, displaying the document to be reviewed.
In the embodiment of the application, the files to be examined are displayed on the touch screen, so that an approver can conveniently check the files to be examined to judge whether the files to be examined have approval qualification or not. The document to be examined may refer to any document to be examined, or may refer to a document to be examined that an approver has approval authority, and is not limited herein. For example, if there are files a and B, and the current approver has the right to approve file a but not the right to approve file B, then file a may be displayed but file B may not be displayed.
Optionally, before displaying the document to be reviewed, the method further includes:
and starting a preset application program, and opening the files to be audited in the preset application program.
In this embodiment of the application, the preset application may refer to an application of a certain type or having a certain function, which is selected by a user from applications installed in the mobile terminal, for example, an application having a function of approving a file. Optionally, the user may modify the selected application according to actual needs.
Step S602, when a touch operation on the touch screen is detected, acquiring signal variation amounts of all coordinate points on the touch screen.
The step is the same as step S101, and reference may be made to the related description of step S101, which is not repeated herein.
Step S603, obtaining, according to the signal variation of all the coordinate points on the touch screen, a coordinate point with a non-zero signal variation among all the coordinate points on the touch screen.
The step is the same as step S102, and reference may be made to the related description of step S102, which is not repeated herein.
Step S604, generating a characteristic pattern of the current touch object according to the coordinate point where the signal variation is not zero.
The step is the same as step S103, and reference may be made to the related description of step S103, which is not described herein again.
And step S605, matching the characteristic pattern of the current touch object with a standard pattern, and if the characteristic pattern of the current touch object is matched with the standard pattern, determining that the approval of the to-be-approved document is passed.
In the embodiment of the application, the standard pattern is used for judging whether an approver holding a current touch object has the authority to approve the document to be approved, and if the characteristic pattern of the current touch object is matched with the standard pattern, the approver holding the current touch object is determined to have the authority to approve the document to be approved and approve the document to be approved; and if the characteristic pattern of the current touch object is not matched with the standard pattern, determining that the approver holding the current touch object does not have the authority to approve the document to be approved. When a plurality of standard patterns are stored in advance, if the characteristic pattern of the current touch object is matched with any standard pattern in the plurality of standard patterns, determining that an approver holding the current touch object has the authority to approve the document to be approved and approves the document to be approved; if the characteristic pattern of the current touch object is not matched with the plurality of standard patterns, determining that the approver holding the current touch object does not have the authority to approve the document to be approved, and prompting that the current touch object is not bound with the mobile terminal.
Optionally, the standard pattern is stored in a flash memory of the touch screen.
In the embodiment of the application, the standard pattern can be pre-stored in the flash memory of the touch screen to improve the safety of the standard pattern, and the mobile terminal cannot directly read the information stored in the flash memory of the touch screen, so that the mobile terminal has higher confidentiality.
In addition, when the feature pattern of the current touch object is matched with the standard pattern, an Integrated Circuit (IC) of the touch screen may match the feature pattern of the current touch object with the standard pattern through a preset algorithm, store a matching result in a register, and after the matching is finished, the IC of the touch screen issues an interrupt to notify the mobile terminal of obtaining the matching result from the register. The preset algorithm may be an algorithm for matching the characteristic pattern of the current touch object with a standard pattern.
Optionally, after determining that the pending document passes the examination and approval, the embodiment of the present application further includes:
and carrying out file signature on the approved file.
In the embodiment of the application, file signatures (such as digital signatures) can be carried out on approved files, so that file approval results are prevented from being tampered, and the security of the file approval results is improved.
According to the document approval method and device, authority setting is conducted on approval operation of the document through the standard pattern, and the approval of the document to be approved is determined when the characteristic pattern of the current touch object is matched with the standard pattern, so that document approval can be effectively prevented from being conducted by other people, and document approval safety is improved.
Fig. 7 is a schematic diagram of a pattern generating apparatus provided in the fourth embodiment of the present application, and only a part related to the fourth embodiment of the present application is shown for convenience of description.
The pattern generation apparatus includes:
the semaphore obtaining module 70 is configured to, when a touch operation on the touch screen is detected, obtain signal variances of all coordinate points on the touch screen, where the signal variances of the coordinate points refer to differences between semaphores generated at the coordinate points when a currently touching object touches the touch screen and semaphores generated at the coordinate points when the currently touching object does not touch the touch screen;
a coordinate point obtaining module 71, configured to obtain, according to the signal variation of all coordinate points on the touch screen, a coordinate point with a non-zero signal variation among all coordinate points on the touch screen;
and a pattern generating module 72, configured to generate a characteristic pattern of the current touch object according to the coordinate point where the signal variation is not zero.
Optionally, the pattern generating module 72 is specifically configured to:
generating a blank image with a preset size, marking a coordinate point with the signal variation not being zero in the blank image, wherein the marked image is the characteristic pattern of the current touch object.
Optionally, the pattern generating apparatus further includes:
a rule obtaining module 73, configured to obtain a distribution rule of the coordinate points whose signal variation is not zero;
a rule judging module 74, configured to judge whether a distribution rule of the coordinate points with the signal variation being not zero is a preset distribution rule;
an object determining module 75, configured to determine that the current touch object is a preset object if a distribution rule of coordinate points whose signal variation is not zero is a preset distribution rule;
accordingly, the pattern generation module 72 is specifically configured to:
and if the current touch object is a preset object, generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
Optionally, the pattern generating apparatus further includes:
a document display module 76, configured to display the document to be reviewed;
and an approval passing module 77, configured to match the feature pattern of the current touch object with a standard pattern, and if the feature pattern of the current touch object matches the standard pattern, determine that the document to be approved passes the approval.
Optionally, the pattern generating apparatus further includes:
and the signature module 78 is used for carrying out file signature on the approved files.
Optionally, the standard pattern is stored in a flash memory of the touch screen.
Optionally, the pattern generating apparatus further includes:
and the application starting module 79 is configured to start a preset application program, and open the to-be-audited file in the preset application program.
The pattern generation apparatus provided in the embodiment of the present application can be applied to the first, second, and third embodiments of the foregoing methods, and for details, refer to the description of the first, second, and third embodiments of the foregoing methods, which is not described herein again.
Fig. 8 is a schematic diagram of a mobile terminal according to a fifth embodiment of the present application. The mobile terminal as shown in the figure may include: one or more processors 801 (only one shown); one or more input devices 802 (only one shown), one or more output devices 803 (only one shown), and a memory 804. The processor 801, the input device 802, the output device 803, and the memory 804 described above are connected by a bus 805. The memory 804 is used for storing instructions and the processor 801 is used for executing the instructions stored by the memory 804. Wherein:
the processor 801 is configured to, when a touch operation on the touch screen is detected, acquire signal variation amounts of all coordinate points on the touch screen, where the signal variation amount of a coordinate point is a difference between a signal amount generated at the coordinate point when a currently touched object touches the touch screen and a signal amount generated at the coordinate point when the currently touched object does not touch the touch screen; acquiring coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen; and generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
Optionally, the processor 801 is specifically configured to:
generating a blank image with a preset size, marking a coordinate point with the signal variation not being zero in the blank image, wherein the marked image is the characteristic pattern of the current touch object.
Optionally, the processor 801 is further configured to:
acquiring a distribution rule of the coordinate points with the signal variation not equal to zero;
judging whether the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule or not;
and if the distribution rule of the coordinate points with the signal variation not being zero is a preset distribution rule, determining that the current touch object is a preset object.
The processor 801 is specifically configured to:
and if the current touch object is a preset object, generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
Optionally, the processor 801 is further configured to:
displaying the files to be examined;
and matching the characteristic pattern of the current touch object with a standard pattern, and determining that the approval of the document to be approved passes if the characteristic pattern of the current touch object is matched with the standard pattern.
Optionally, after determining that the document to be reviewed passes the approval, the processor 801 is further configured to:
and carrying out file signature on the approved file.
Optionally, the standard pattern is stored in a flash memory of the touch screen.
Optionally, before displaying the pending file, the processor 801 is further configured to:
and starting a preset application program, and opening the files to be audited in the preset application program.
It should be understood that, in the embodiment of the present Application, the Processor 801 may be a Central Processing Unit (CPU), and the Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The input device 802 may include a touch pad, a fingerprint sensor (for collecting fingerprint information of a user and direction information of the fingerprint), a microphone, a data receiving interface, and the like. The output devices 803 may include a display (LCD, etc.), speakers, a data transmission interface, and the like.
The memory 804 may include both read-only memory and random access memory, and provides instructions and data to the processor 801. A portion of the memory 804 may also include non-volatile random access memory. For example, the memory 804 may also store device type information.
In a specific implementation, the processor 801, the input device 802, the output device 803, and the memory 804 described in this embodiment of the present application may execute the implementation described in the embodiment of the pattern generation method provided in this embodiment of the present application, or may execute the implementation described in the pattern generation apparatus described in the third embodiment of the present application, which is not described herein again.
Fig. 9 is a schematic diagram of a mobile terminal according to a sixth embodiment of the present application. As shown in fig. 9, the mobile terminal 9 of this embodiment includes: a processor 90, a memory 91 and a computer program 92 stored in said memory 91 and executable on said processor 90. The processor 90, when executing the computer program 92, implements the steps in the various pattern generation method embodiments described above, such as steps S101 to S103 shown in fig. 1. Alternatively, the processor 90, when executing the computer program 92, implements the functions of the modules/units in the above-described device embodiments, such as the functions of the modules 70 to 79 shown in fig. 7.
Illustratively, the computer program 92 may be partitioned into one or more modules/units that are stored in the memory 91 and executed by the processor 90 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 92 in the mobile terminal 9. For example, the computer program 92 may be divided into a semaphore acquisition module, a coordinate point acquisition module, a pattern generation module, a rule acquisition module, a rule determination module, an object determination module, a document display module, an approval pass module, a signature module, and an application start module, and the specific functions of each module are as follows:
the touch control device comprises a semaphore acquisition module, a comparison module and a display module, wherein the semaphore acquisition module is used for acquiring signal variable quantities of all coordinate points on the touch screen when touch operation on the touch screen is detected, and the signal variable quantities of the coordinate points refer to a difference value between the semaphore generated at the coordinate point when a current touch object touches the touch screen and the semaphore generated at the coordinate point when the current touch object does not touch the touch screen;
the coordinate point acquisition module is used for acquiring coordinate points with non-zero signal variation in all the coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen;
and the pattern generation module is used for generating the characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
Optionally, the pattern generation module is specifically configured to:
generating a blank image with a preset size, marking a coordinate point with the signal variation not being zero in the blank image, wherein the marked image is the characteristic pattern of the current touch object.
Optionally, the rule obtaining module is configured to obtain a distribution rule of the coordinate points with the signal variation being nonzero;
the rule judging module is used for judging whether the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule or not;
the object determining module is used for determining that the current touch object is a preset object if the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule;
correspondingly, the pattern generation module is specifically configured to:
and if the current touch object is a preset object, generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
Optionally, the file display module is configured to display the files to be reviewed;
and the approval passing module is used for matching the characteristic pattern of the current touch object with a standard pattern, and determining that the document to be approved passes approval if the characteristic pattern of the current touch object is matched with the standard pattern.
Optionally, the signature module is configured to perform file signature on the approved file.
Optionally, the standard pattern is stored in a flash memory of the touch screen.
Optionally, the application starting module is configured to start a preset application program, and open the to-be-audited file in the preset application program.
The mobile terminal 9 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The mobile terminal may include, but is not limited to, a processor 90, a memory 91. It will be appreciated by those skilled in the art that fig. 9 is only an example of a mobile terminal 9 and is not intended to limit the mobile terminal 9 and may include more or less components than those shown, or some components in combination, or different components, for example, the mobile terminal may also include input output devices, network access devices, buses, etc.
The processor 90 may be a central processing unit CPU, but may also be other general purpose processors, digital signal processors DSP, application specific integrated circuits ASIC, off-the-shelf programmable gate arrays FPGA or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 91 may be an internal storage unit of the mobile terminal 9, such as a hard disk or a memory of the mobile terminal 9. The memory 91 may also be an external storage device of the mobile terminal 9, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) and the like provided on the mobile terminal 9. Further, the memory 91 may also include both an internal storage unit and an external storage device of the mobile terminal 9. The memory 91 is used for storing the computer program and other programs and data required by the mobile terminal. The memory 91 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/mobile terminal and method may be implemented in other ways. For example, the above-described apparatus/mobile terminal embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. An identity authentication method for a capacitive touch screen, characterized by:
displaying the files to be examined;
when the pressing operation on the touch screen is detected, acquiring signal variation of all coordinate points on the touch screen, wherein the signal variation of the coordinate points refers to a difference value between the signal quantity generated at the coordinate point when a current touch object touches the touch screen and the signal quantity generated at the coordinate point when the current touch object does not touch the touch screen, the current touch object is a metal official seal, when the metal official seal is pressed on the touch screen, a human body forms a passage with the touch screen through the metal official seal, and the non-empty position of the metal official seal contacts the touch screen to enable the signal quantity to be increased;
acquiring coordinate points with non-zero signal variation in all coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen;
generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero, wherein the characteristic pattern is a surface pattern of a metal official seal;
and matching the characteristic pattern of the current touch object with a standard pattern, and determining that the approval of the document to be approved passes if the characteristic pattern of the current touch object is matched with the standard pattern.
2. The identity verification method of claim 1, wherein the generating the characteristic pattern of the current touch object according to the coordinate point where the signal variation is not zero comprises:
generating a blank image with a preset size, marking a coordinate point with the signal variation not being zero in the blank image, wherein the marked image is the characteristic pattern of the current touch object.
3. The identity verification method according to claim 1, further comprising, after acquiring a coordinate point where a signal variation amount is not zero among all coordinate points on the touch screen:
acquiring a distribution rule of the coordinate points with the signal variation not equal to zero;
judging whether the distribution rule of the coordinate points with the signal variation not equal to zero is a preset distribution rule or not;
if the distribution rule of the coordinate points with the signal variation not being zero is a preset distribution rule, determining that the current touch object is a preset object;
correspondingly, generating the characteristic pattern of the current touch object according to the coordinate point with the signal variation amount being not zero includes:
and if the current touch object is a preset object, generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero.
4. The identity verification method of claim 1, further comprising, after determining that the approval of the document under review passes:
and carrying out file signature on the approved file.
5. The authentication method of claim 1, further comprising, prior to displaying the document to be reviewed:
and starting a preset application program, and opening the files to be audited in the preset application program.
6. The authentication method as claimed in claim 1, wherein the standard pattern is stored in a flash memory of the touch screen.
7. An authentication apparatus for a capacitive touch screen, the authentication apparatus comprising:
the file display module is used for displaying files to be examined;
the touch screen comprises a semaphore acquisition module, a semaphore acquisition module and a semaphore acquisition module, wherein the semaphore acquisition module is used for acquiring signal variable quantities of all coordinate points on the touch screen when the pressing operation on the touch screen is detected, the signal variable quantities of the coordinate points refer to a difference value between the semaphore generated at the coordinate point when a current touch object touches the touch screen and the semaphore generated at the coordinate point when the current touch object does not touch the touch screen, the current touch object is a metal official seal, when the metal official seal is pressed on the touch screen, a human body forms a passage with the touch screen through the metal official seal, and the non-hollowed position of the metal official seal contacts the touch screen to enable the semaphore to be increased;
the coordinate point acquisition module is used for acquiring coordinate points with non-zero signal variation in all the coordinate points on the touch screen according to the signal variation of all the coordinate points on the touch screen;
the pattern generating module is used for generating a characteristic pattern of the current touch object according to the coordinate point with the signal variation not being zero, wherein the characteristic pattern is a surface pattern of a metal official seal;
and the approval passing module is used for matching the characteristic pattern of the current touch object with a standard pattern, and determining that the document to be approved passes approval if the characteristic pattern of the current touch object is matched with the standard pattern.
8. A mobile terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the authentication method according to any of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the authentication method according to any one of claims 1 to 6.
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