CN108235750A - The pressing detection method, apparatus and terminal device of fingerprint recognition system - Google Patents

The pressing detection method, apparatus and terminal device of fingerprint recognition system Download PDF

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Publication number
CN108235750A
CN108235750A CN201880000042.1A CN201880000042A CN108235750A CN 108235750 A CN108235750 A CN 108235750A CN 201880000042 A CN201880000042 A CN 201880000042A CN 108235750 A CN108235750 A CN 108235750A
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CN
China
Prior art keywords
fingerprint
pressing
suspended window
area
screen
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Granted
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CN201880000042.1A
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Chinese (zh)
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CN108235750B (en
Inventor
王骐骥
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Huiding Technology Co Ltd
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Publication of CN108235750A publication Critical patent/CN108235750A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms

Abstract

The embodiment of the present application provides the pressing detection method, apparatus and terminal device of a kind of fingerprint recognition system, which includes screen and fingerprint device, and the induction region of the fingerprint device is at least partially disposed at the display area of the screen, and this method includes：It obtains in the pressing area of the fingerprint pressing operation of the screen；Effective pressing area of the fingerprint pressing operation is detected, this effectively presses area as the pressing area and the area of the lap of the induction region of the fingerprint device；According to effective pressing area, the validity of the fingerprint pressing operation is determined, the validity of the fingerprint pressing operation includes the pressing of effective fingerprint or invalid fingerprint pressing.The method, apparatus and terminal device of the embodiment of the present application, the invalid fingerprint caused by pressing is not complete presses, and then it is possible to prevente effectively from since pressing does not lead to problems such as the collected fingerprint template of fingerprint recognition system imperfect entirely or fingerprint recognition failure occurs during user's use can be filtered out in advance.

Description

The pressing detection method, apparatus and terminal device of fingerprint recognition system
Technical field
This application involves the pressing detection method, apparatus of fingerprint recognition field more particularly to a kind of fingerprint recognition system and Terminal device.
Background technology
For using the terminal device of the lower fingerprint recognition system of screen, fingerprint device is assemblied in the back side of screen, makes at present During with fingerprint identification function, screen notice fingerprint device acquisition fingerprint after the user's press event for perceiving fingerprint induction region Image, and complete the typing of fingerprint or identification operation.However, when the induction region of fingerprint device is deviateed in the pressing area of user When, the collected fingerprint image of fingerprint device is incomplete, can if this fingerprint image is used by a user in typing or identification It can lead to operation failure, influence user experience.
Invention content
In view of this, the embodiment of the present application provides the pressing detection method, apparatus and terminal of a kind of fingerprint recognition system Equipment is conducive to improve user experience.
In a first aspect, providing a kind of pressing detection method of fingerprint recognition system, which includes screen And fingerprint device, the induction region of the fingerprint device are at least partially disposed at the display area of the screen, this method includes：It obtains The pressing area of the fingerprint pressing operation of the screen；Detect effective pressing area of the fingerprint pressing operation, effective press surface Product is the pressing area and the area of the lap of the induction region of the fingerprint device；According to effective pressing area, determine The validity of the fingerprint pressing operation, the validity of the fingerprint pressing operation include the pressing of effective fingerprint or invalid fingerprint pressing.
By the way that the pressing area of fingerprint pressing operation of user and the induction region of fingerprint device are compared, get Effective pressing area of the fingerprint pressing operation, and according to effective pressing area and the magnitude relationship of threshold value, determine the fingerprint Whether pressing operation is the pressing of effective fingerprint, thus can filter out in advance during user's use due to press it is incomplete caused by Invalid fingerprint pressing, and then it is possible to prevente effectively from since pressing does not cause the collected fingerprint template of fingerprint recognition system endless entirely It is whole or the problems such as fingerprint recognition failure occur, furthermore it is also possible to certain false-touch prevention and antiforge function.
In a kind of possible realization method, before the pressing area for obtaining the fingerprint pressing operation, this method is also wrapped It includes：The information of the induction region of the fingerprint device is obtained, the information of the induction region of the fingerprint device includes the fingerprint device The position of induction region and size information.
In a kind of possible realization method, the information of the induction region of the acquisition fingerprint device, including：In the screen Upper display preview view, the preview view are the acquisition view of the fingerprint device；One adjustable figure is provided on the screen Case suspended window；The pattern suspended window is adjusted, so that the preview view shows the complete pattern of the pattern suspended window and should The pattern of pattern suspended window is paved with entire preview view；Obtain position and the size information of the pattern suspended window, and by the pattern The position of suspended window and size information are determined as the information of the induction region of the fingerprint device.
Optionally, terminal device all can first obtain fingerprint device when fingerprint pressing operation occurs each time Induction region, terminal device can also only obtain the induction region of the primary fingerprint device, and store the sensing of the fingerprint device The information in region.The induction region can also be pre-stored in the memory module of terminal device, that is to say, that when terminal device dispatches from the factory The information of the induction region of the fingerprint device is just stored with inside it.
In a kind of possible realization method, if the size of the pattern suspended window and the induction region of the fingerprint device is big Small identical, this is adjusted the pattern suspended window, including：Mobile pattern suspended window so that the pattern suspended window completely covers Cover the induction region of the fingerprint device.
In a kind of possible realization method, if the size of the pattern suspended window and the induction region of the fingerprint device is big Small difference, this is adjusted the pattern suspended window, including：The mobile pattern suspended window, and adjust the big of the pattern suspended window It is small so that the pattern suspended window is identical with the size of the induction region and induction region that completely cover the fingerprint device.
In a kind of possible realization method, the acquisition in the pressing area of the fingerprint pressing operation of the screen, including：Root The touch detection data reported according to the screen determine position and the size of the pressing area of the fingerprint pressing operation.
In a kind of possible realization method, if the shape of the pressing area is ellipse, which includes The center point coordinate of the pressing area, the long axis direction of the pressing area, long axis value and the pressing area of the pressing area Short axle value；If the shape of the pressing area is circle, which includes the center point coordinate of the pressing area and is somebody's turn to do The radius of pressing area.
In a kind of possible realization method, which owns on the screen including the fingerprint pressing operation The coordinate of contact, the touch detection data reported according to the screen determine the position of the pressing area of the fingerprint pressing operation And size, including：Go out the pressing area of the fingerprint pressing operation according to the coordinate fitting of all contacts, and determine that the fingerprint is pressed The position of the pressing area of press operation and size.
It is alternatively possible to after detecting fingerprint pressing operation by screen, the fingerprint pressing operation is obtained in the screen The coordinate of all contacts, and pressing area is obtained to the coordinate fitting of all contacts, and determine the position of the pressing area by screen It puts and size, and then position and the size information of the pressing area is reported to processor.The screen can also be touched all directly The coordinate of point is reported to processor, obtains pressing area to the coordinate fitting of all contacts by processor, and determine the pressing area The position in domain and size.
In a kind of possible realization method, this determines the effective of the fingerprint pressing operation according to effective pressing area Property, including：If effective pressing area is greater than or equal to threshold value, determine that the fingerprint pressing operation is pressed for effective fingerprint；It if should Effectively pressing area is less than the threshold value, determines that the fingerprint pressing operation is pressed for invalid fingerprint.
In a kind of possible realization method, this method further includes：Determine the fingerprint pressing operation for invalid fingerprint by In the case of pressure, user is prompted to re-start fingerprint pressing operation.
In a kind of possible realization method, this method further includes：Determine the fingerprint pressing operation for effective fingerprint by In the case of pressure, the fingerprint device is controlled to carry out fingerprint image acquisition.
Second aspect provides a kind of pressing detection device of fingerprint recognition system, for performing first aspect or first party Method in the arbitrarily possible realization method in face.Specifically, which can include performing first aspect or first aspect The unit of method in arbitrary possible realization method.
The third aspect provides a kind of terminal device, including memory, processor, touch screen and fingerprint module, the memory For storing computer program, processor from memory for calling and running computer program, should when program is run Processor performs the method in above-mentioned first aspect or the arbitrarily possible realization method of first aspect.
Fourth aspect provides a kind of computer-readable medium, and for storing computer program, which includes using In the instruction for performing the method in the arbitrary possible realization method of first aspect or first aspect.
5th aspect provides a kind of computer program product including instructing, when run on a computer so that Computer performs the method in any optional realization method of above-mentioned first aspect or first aspect.
These aspects or other aspects of the application can more straightforward in the following description.
Description of the drawings
Fig. 1 shows the schematic block diagram of the application scenarios of the embodiment of the present application.
Fig. 2 shows the schematic block diagrams of the pressing detection method of the fingerprint recognition system of the embodiment of the present application.
Fig. 3 shows preview view and the schematic block diagram of pattern suspended window.
Fig. 4 shows preview view and another schematic block diagram of pattern suspended window.
Fig. 5 shows the schematic block diagram of the pressing area of user's pressing.
Fig. 6 shows another schematic block diagram of the pressing area of user's pressing.
Fig. 7 shows the schematic block diagram of the pressing detection device of the fingerprint recognition system of the embodiment of the present application.
Fig. 8 shows the schematic block diagram of the terminal device of the embodiment of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete Site preparation describes.
As intelligent terminal steps into comprehensive screen epoch, the space of screen front fingerprint button is squeezed, therefore, under screen (Under-display) or in screen the scheme of (In-display) fingerprint recognition system is just come into being.Under so-called screen or shield Interior fingerprint recognition system refers to fingerprint device being mounted below screen or is integrated into inside screen, is shown so as to fulfill in screen Show and fingerprint recognition operation is carried out inside region.
As a kind of common application scenarios, the invention relates to the pressing detection method of fingerprint recognition system can With apply smart mobile phone, tablet computer, multimedia equipment, game machine and other with the mobile terminal of display screen or its His terminal device；More specifically, in above-mentioned terminal device, fingerprint recognition system can be specially optical fingerprint systems, ultrasound Wave system of fingerprints or other kinds of fingerprint recognition system, wherein, fingerprint device can be arranged on the display screen of terminal device The partially or fully region of lower section is directly integrated into inside the display screen of terminal device, so as to form the lower fingerprint recognition of screen Fingerprint recognition system in system or screen.
Understand to be convenient, below for shielding lower fingerprint recognition system, introduce the terminal that the embodiment of the present application can be applicable in The structure diagram of equipment.Referring to Fig. 1, the terminal device 100 is using the lower optical finger print identifying schemes of screen, specifically, institute State terminal device 100 include display screen 120 and optical finger print device 130, wherein, the optical finger print device 130 be bonded or Person's other modes are fixed at the lower section of the display screen 120.
The display screen 120 can be self light emitting display panel, and the conduct with spontaneous light display unit is used to show picture Element, such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen or miniature luminous two Pole pipe (Micro-LED) display screen；Alternatively, in other alternate embodiments, the display screen 120 or liquid crystal display (Liquid Crystal Display, LCD) or other passive light emitting displays, the application are without limitation.The opposing party Face, the display screen 120 are specially touching display screen, can not only carry out picture and show, can also detect the touch of user Or pressing operation, so as to provide a personal-machine interactive interface to the user.For example, in one embodiment, the terminal device 100 can include touch sensor, and the touch sensor can be specially touch panel (Touch Panel, TP), can be with 120 surface of display screen is arranged on, partly can also integrate or be monolithically integrated into inside the display screen 120, so as to shape Into the touching display screen.
The optical finger print device 130 is mainly used for acquiring the fingerprint image of user, can be arranged at described aobvious The regional area of the lower section of display screen 120, so that induction region (or the effective detection zone of fingerprint of the optical finger print device 130 Domain) 103 display areas 102 for being at least partially disposed at the display screen 120.
The optical finger print device 130 can be specially optical fingerprint sensor, including with multiple optical sensor lists The induction arrays of member, the induction arrays region are the fingerprint recognition region 103 of the optical finger print device 130.Such as Fig. 1 Shown, the fingerprint recognition region 103 is located among the display area 102 of the display screen 120, and therefore, user is in needs pair The terminal device is unlocked or when other fingerprint authentication, it is only necessary to which finger is pressed on positioned at the display screen 120 fingerprint recognition region 103 can realize that fingerprint inputs.Since fingerprint detection can be in the display of the display screen 120 Realize that terminal device 100 using the above structure sets fingerprint button without the special reserved space in its front in 102 inside of region (such as Home key), thus comprehensive screen scheme may be used, therefore, the display area 102 of the display screen 120 can be expanded substantially Open up the entire front of the terminal device 100.
Although embodiment shown in FIG. 1 is for shielding lower optical fingerprint systems, it should be understood that in other embodiments, institute Ultrasonic wave or other kinds of fingerprint recognition system can also be used by stating the fingerprint recognition system of terminal device 100, corresponding Ground, ultrasonic fingerprint sensor may be used in the optical fingerprint sensor or other kinds of fingerprint sensor replaces；Separately Outside, in other alternate embodiments, the fingerprint sensor can also be integrated into inside the display screen 120 or be arranged on Arbitrary region (such as fringe region) inside the terminal device 100 and by the guiding structure of light path or other signals come Fingerprint detection signal is directed to the fingerprint sensor.It is special that the application does not make the type and concrete structure of fingerprint sensor Limitation, as long as above-mentioned fingerprint sensor can meet carries out the performance requirement of fingerprint recognition just inside the display screen of terminal device It can.
The present embodiment, using for OLED display screen, there is the OLED to arrange in array to show by the display screen 120 Show cell array, the optical finger print device 130 can be located at the fingerprint recognition region using the OLED display screen 120 103 OLED display unit (i.e. OLED light source) is used as the excitation light source of optical finger print detection.Also, the optical finger print dress The induction arrays for putting 130 are specially optical detector (Photo detector) array, including multiple light in array distribution Detector, the optical detector can be used as optical sensor unit as described above.When finger touch, pressing or close to (for Convenient for description, the application is referred to as pressing) at the fingerprint recognition region 103, the display list in the fingerprint recognition region 103 The light that member is sent out occurs to reflect and forms reflected light in the fingerprint of finger surface, wherein the wrinkle ridge of the finger print and line paddy Reflected light be different, reflected light is received and converted to accordingly from the display screen 120 and by the photodetector array Electric signal, i.e. fingerprint detection signal.Fingerprint image data can be obtained based on the fingerprint detection signal, and can be into One step carries out fingerprint matching verification, so as to realize optical finger print identification function in the terminal device 100.
In other alternate embodiments, the optical finger print device 130 can also be arranged on 120 lower section of display screen Whole region, it is real so as to which the fingerprint recognition region 103 to be expanded to the entire display area 102 of the entire display screen 120 Existing full frame fingerprint detection.
It should be understood that in specific implementation, the terminal device 100 further includes transparency protected cover board 110, the lid Plate 110 can be specially transparent cover plate, such as glass cover-plate or sapphire cover board, be located at the top of the display screen 120 And cover the front of the terminal device 100.Therefore, in the embodiment of the present application, so-called finger presses the display screen 120 can Actually to refer to that finger is pressed on the cover board 110 of 120 top of display screen or the protective layer table of the covering cover board 110 Face.
As a kind of optional realization method, as shown in Figure 1, the optical finger print device 130 can include optical module 132 and optical detection unit 134；The optical module 132 can include optical path modulation device and filter layer, wherein the light path tune Device processed can include through-hole array, and the filter layer can be arranged on the lower section of the optical path modulation device.The display screen 120 is sent out To be detected finger surface of the light gone out above the display screen 120 reflects, which passes through its through-hole array To being collimated and being modulated, and reflected light is directed to filter layer from the reflected reflected light of finger surface, reflected light warp It is received after the filtering of filter layer by the optical detection unit 134, the optical detection unit 134 can be further to receiving To the reflected light be detected, to realize fingerprint recognition.It should be appreciated that above-mentioned optical finger print device 130 is only a kind of example The structure of property, in specific implementation, the position of the filter layer of the optical module 132 is not limited under the optical path modulation device Side；For example, in a kind of alternate embodiment, which can also be arranged on the optical path modulation device and the display screen 120 Between, i.e., above the optical path modulation device；Alternatively, the optical module 132 can include two layers of filter layer, the two difference It is arranged on above and below the optical path modulation device.In other alternate embodiments, which can also be integrated into described It inside optical path modulation device, possibly even dispenses, the application is without limitation.
In specific implementation, the optical module 132 can be encapsulated in same optics with the optical detection unit 134 Fingerprint chip or as with the relatively independent component of optical detection unit 134 be mounted on optical finger print device inside.Its In, which can be specially the collimator being made in semi-conductor silicon chip or Si oxide or nitride (Collimator) layer either lens (Lens) layer its with multiple collimation units or lens unit, the collimation unit or Person's lens unit can be as the modulation unit of the optical path modulation device, and specifically, the modulation unit can have The through-hole of high-aspect-ratio, therefore the multiple collimation unit or lens unit may be constructed the above-mentioned logical of the optical path modulation device Hole array.It can be to pass through and by below in the light for from the reflected reflected light of finger, being incident on the modulation unit Optical sensor unit receive, the through-hole that each optical sensor unit can be substantially received above it be guided over come finger The reflected light of line lines, so as to which the induction arrays can detect the fingerprint image of finger.
In the optical finger print device 130, each modulation unit of optical path modulation device can correspond to the sense respectively Answer one of optical sensor unit of array；Alternatively, the modulation unit is with the optical sensor list of the induction arrays Can also Moire fringe interference be generated, for example an optical sensor unit can to reduce using non-one-to-one relationship between member To correspond to multiple modulation units, alternatively, the modulation unit can also be realized by the way of irregular alignment with described Do not have specific correspondence between the optical sensor unit of induction arrays.When the modulation unit of the optical path modulation device uses During irregular alignment mode, the optical finger print device 130 can examine each sensing unit by later stage software algorithm The reflection light measured is corrected.
It should be appreciated that although fingerprinting scheme to realize in the display in the terminal device 100 under above-mentioned screen 120 inside of screen carries out fingerprint identification function and is possibly realized, but under certain application scenarios, and the fingerprint device 130 may be only The regional area of the display screen 120 is provided in, the induction region 103 of the fingerprint device 130 only covers institute in other words State the partial display area of display screen 120.In this case, the user of the terminal device 100 in itself and can not perceive The fingerprint detection effective range of the display screen 120.It needs to use fingerprint identification function in the terminal device 100 in user When, the display screen 120 perceives user's press event when user carries out fingerprint pressing operation by its touch control detection function, so Fingerprint device 130 is notified to acquire fingerprint image by operating system afterwards, and further complete the typing of user fingerprints or identification behaviour Make.When user deviates the induction region of the fingerprint device 130 in the pressing area of the fingerprint pressing operation of the display screen 120 When 103, for example when the pressing area and the smaller overlapping area of the induction region 103, the fingerprint device is collected Fingerprint image be it is incomplete, in other words the fingerprint device 130 can not normal acquisition to user fingerprint image.It is above-mentioned endless If whole fingerprint image is used by a user in typing or identification, operation failure is may result in, influences user experience.Therefore, as A solution, the embodiment of the present application provide a kind of pressing detection method of fingerprint recognition system, are adopted in fingerprint device first Before collecting fingerprint image, whether the fingerprint pressing operation for judging active user is effective fingerprint pressing.
Fig. 2 shows the flow diagrams of the pressing detection method 200 of the fingerprint recognition system of the embodiment of the present application.Such as figure Shown in 2, this method can be performed by terminal device, such as can be performed by the processor in terminal device, which can To use structure as shown in Figure 1, that is, include being located at the fingerprint device below screen (such as above-mentioned display screen 120) (on such as State optical finger print device 130), alternatively, which can also be using fingerprint is known under the screen of other structures or in screen Other system.Specifically, this method 200 includes following part or all of content：
S210 is obtained in the pressing area of the fingerprint pressing operation of screen.
S220 detects effective pressing area of the fingerprint pressing operation, and effective pressing area is the pressing area The area of the lap of the induction region of domain and fingerprint device.
S230 according to effective pressing area, determines the validity of the fingerprint pressing operation, which has Effect property includes the pressing of effective fingerprint or invalid fingerprint pressing；For example, when effective pressing area is greater than or equal to threshold value, really The fixed fingerprint pressing operation is pressed for effective fingerprint, otherwise, it determines the fingerprint pressing operation is pressed for invalid fingerprint.
Specifically, when user needs to carry out fingerprint typing or identification, user can carry out in the screen of terminal device Fingerprint pressing operation, when screen detects the fingerprint pressing operation of user, terminal device can obtain finger of the user in screen The pressing area of line pressing operation, that is to say, that terminal device can get the position of the pressing area of user and size (ratio Such as area).On the other hand, terminal device can get the induction region of fingerprint device in advance, i.e. terminal device can shift to an earlier date The position where fingerprint device and size (such as area) are got, and then the fingerprint got can be pressed and grasped by terminal device The pressing area of work and the induction region of fingerprint device are compared, and can further determine the lap in two regions, And the area of the lap is determined as to effective pressing area of the fingerprint pressing operation.Terminal device can effectively press this Pressure surface product is compared with threshold value, to judge the validity of the fingerprint pressing operation, that is to say, that judge the fingerprint pressing operation It is effective fingerprint pressing or invalid fingerprint pressing.It should be understood that the threshold value can be pre-set in internal system or according to It experiences to set in family.
Therefore, the pressing detection method of the fingerprint recognition system of the embodiment of the present application, by the way that the fingerprint of user is pressed behaviour The pressing area of work and the induction region of fingerprint device are compared, and get effective pressing area of the fingerprint pressing operation, And according to effective pressing area and the magnitude relationship of threshold value, determine whether the fingerprint pressing operation is the pressing of effective fingerprint, because The invalid fingerprint caused by pressing is not complete presses during this can filter out user's use in advance, and then it is possible to prevente effectively from Since pressing does not lead to problems such as the collected fingerprint template of fingerprint recognition system imperfect entirely or fingerprint recognition failure occurs, Furthermore it is also possible to certain false-touch prevention and antiforge function.
Optionally, in the embodiment of the present application, before the pressing area for obtaining the fingerprint pressing operation, this method is also wrapped It includes：The information of the induction region of the fingerprint device is obtained, the information of the induction region includes position and the size of the induction region.
Terminal device when detecting fingerprint pressing operation each time, can all obtain the induction region of the fingerprint device Information.Due to for some terminal device, the position of the induction region of the fingerprint device and fixed, i.e. sense of size The information for answering region is fixed, and the memory module that terminal device can be in manufacture inside it is just stored with the fingerprint device The information or terminal device of induction region can also detect the information of the induction region of the fingerprint device in advance, and pass through it Internal memory module stores the information of the induction region, when detecting fingerprint pressing operation each time, terminal device from its Internal memory module obtains the information of the induction region of the fingerprint device, and by the pressing area of the fingerprint pressing operation with being somebody's turn to do The induction region of fingerprint device is compared, so that it is determined that effective pressing area of the fingerprint pressing operation.Alternatively, the end End equipment can not also store the information of the induction region of the fingerprint device, but when detecting fingerprint pressing operation each time It all carries out the detection of the induction region of the fingerprint device and gets the information of the induction region of the fingerprint device in real time.
Optionally, in the embodiment of the present application, the information of the induction region of the fingerprint device can pass through software detection Mode is obtained, for example, the acquisition of information of the induction region of the fingerprint device can include：
In screen display preview view, which is the acquisition view of the fingerprint device；
An adjustable pattern suspended window is provided in screen；
The pattern suspended window is adjusted, so that the preview view shows the complete pattern of the pattern suspended window and the figure The pattern of case suspended window is paved with entire preview view；
Position and the size information of the pattern suspended window are obtained, and is determined as the letter of the induction region of the fingerprint device Breath.
Specifically, terminal device can obtain the induction region of the fingerprint device with reference to preview view and pattern suspended window Information.As shown in figure 3, terminal device can generate a preview view, also, the display of terminal device is driven in screen first Dynamic model block can drive the screen to show the fingerprint device in the acquisition view of the preview view real-time display fingerprint device Image corresponding to the image collected data.
The terminal device can also generate a pattern suspended window in the screen, and the position of the pattern suspended window and size are It is adjustable, for example, the pattern suspended window can be with location revision and size, and support arbitrary dragging.Preferably, the terminal device Can also in the position of the presumptive area real-time display of the screen pattern suspended window and size information, wherein, the pattern suspended window Position can represent that the size of the pattern suspended window can be used with the centre coordinate of the present position of the pattern suspended window The width and height of the pattern suspended window represent that (if the pattern suspended window is square, size can be with the length of side come table Show).For example, in the embodiment shown in fig. 3, the shape of the pattern suspended window is square, centre coordinate for [400, 400], the length of side 200.
The pattern suspended window needs certain pattern, so that when the pattern suspended window is moved to the sense of the fingerprint device When answering region, the pattern of the pattern suspended window can be shown in the preview view.On the other hand, which can be with The position of the pattern suspended window is adjusted, for example moves the pattern suspended window, as a kind of embodiment, user can pass through the screen The human-computer interaction interface of offer drags the pattern suspended window, which suspends to the pattern according to the drag operation of user The position of window is controlled, and the terminal device can also change the size of the pattern suspended window, finally so that the preview regards Figure can show the complete pattern of the pattern suspended window, and ensure that the pattern of pattern suspended window is to be paved with entire preview view, such as Shown in Fig. 4.At this point, the induction region of the fingerprint device, therefore the position of the pattern suspended window is completely covered in the pattern suspended window Represent position and the size of the induction region of the fingerprint device with stool and urine, then, the screen display of the terminal device is somebody's turn to do The center point coordinate [300,550] and the length of side (90) of pattern suspended window are exactly the center point coordinate of the induction region of the fingerprint device And the length of side.Therefore, which can obtain position and the size information of the pattern suspended window, and is determined as the fingerprint The information of the induction region of device.
Optionally, in the embodiment of the present application, if the size of the pattern suspended window and the induction region of the fingerprint device Size it is identical, which is adjusted and is specifically included：Mobile pattern suspended window so that the pattern suspended window is complete The whole induction region for covering the fingerprint device.
Optionally, in the embodiment of the present application, if the size of the pattern suspended window and the induction region of the fingerprint device It is of different sizes, which is adjusted and is specifically included：The mobile pattern suspended window, and adjust the pattern suspended window Size so that the pattern suspended window is identical with the size of the induction region and completely covers the induction region.
It should be understood that the shape of the pattern suspended window can be not limited, for example it can be square as shown in Figure 3, Can also be rectangle can also be either round or ellipse.As a kind of preferred embodiment, the pattern suspended window Shape is identical with the shape of the induction region of the fingerprint device.When the pattern suspended window completely covers the induction zone of the fingerprint device During domain, the size of the pattern suspended window should be identical with the size of the induction region.The terminal device can be initially generated figure Just pattern suspended window is shaped to during case suspended window it is identical with the shape of the induction region of the fingerprint device, if the two It is of different sizes, then when being adjusted to the pattern suspended window, both to need to move the pattern suspended window to the fingerprint device Induction region, it is also desirable to change the size of the pattern suspended window.The terminal device can also be when being initially generated pattern suspended window The shapes and sizes of the pattern suspended window are arranged to identical with the shapes and sizes of the induction region of the fingerprint device, then When being adjusted to the pattern suspended window, it is only necessary to the induction region of mobile pattern suspended window to the fingerprint device.
Alternatively, the acquisition view for the fingerprint device which shows can be acquired with the fingerprint device The corresponding image of image data is equal proportion or the image after zooming in or out.The embodiment of the present application is to pre- The size of view of looking at is not construed as limiting.
It should be understood that when user carries out fingerprint pressing operation on the screen, the preview view and the pattern suspended window can To be in deactivation status, that is to say, that the preview view and the pattern suspended window only can obtain the fingerprint in the terminal device It can just be activated during the information of the induction region of device.
Optionally, in the embodiment of the present application, which, can the pressing area of the fingerprint pressing operation of screen the step of To specifically include：The touch detection data reported according to the screen determine the pressing area of fingerprint pressing operation on the screen Position and size.
Due to the characteristic of human finger, user is when screen carries out fingerprint pressing operation, the pressing of the fingerprint pressing operation Region is generally circular or oval, in the embodiment of the present application, (for example can be touched by the touch sensor of the screen Screen) detect the position of the pressing area of the fingerprint pressing operation and size.Specifically, when the fingerprint for detecting user presses behaviour When making, the touch detection data of pressing area can be reported to the processor of the terminal device, the processor by touch sensor Position and the size of the pressing area of the fingerprint pressing operation can be determined according to the touch detection data of the pressing area.
As shown in fig. 5, it is assumed that the pressing area of the fingerprint pressing operation of user is ellipse, touch sensor is to processor The touch detection data reported can include the center point coordinate of the pressing area, the long axis direction of the pressing area, the pressing The long axis value in region and the short axle value of the pressing area.In other alternate embodiments, if the shape of the pressing area is circle Shape, the touch sensor can include the center point coordinate of the pressing area to the touch detection data that the processor reports and be somebody's turn to do The radius of pressing area.
Optionally, as a kind of alternative embodiment, which can include the fingerprint pressing operation at this The coordinate of all contacts on screen, the acquisition can be specifically included the pressing area of the fingerprint pressing operation of screen the step of： The coordinate of all contacts is fitted, and determines position and the size of the pressing area of the fingerprint pressing operation.
It should be understood that the method for the pressing area of the acquisition fingerprint pressing operation of the embodiment of the present application can be by terminal device Processor performs, and can also be performed by the touch sensor of screen, that is to say, that when touch sensor detects the fingerprint of user Pressing operation simultaneously gets the fingerprint pressing operation after the coordinate of all contacts of the screen, can be by the touch sensor Directly the coordinate of all contacts is fitted, may thereby determine that the pressing area of the fingerprint pressing operation；Touch sensor The coordinate of all contacts to processor can also be reported, the coordinate of all contacts is fitted by processor, thus by Reason device determines the pressing area of the user.The present embodiment by processor or touch sensing implement body fit come pressing The schematic diagram in region is as shown in Figure 6.
It should also be understood that each step in the pressing detection method of the fingerprint recognition system of the embodiment of the present application both can be by The processor of terminal device performs, can also be by the execution of the touch sensor of screen or the touch of processor and screen Sensor, which combines, to be performed, and the embodiment of the present application does not form this restriction.
Optionally, in the embodiment of the present application, according to effective pressing area, the effective of the fingerprint pressing operation is determined Property, including：If this it is effective pressing area be greater than or equal to the threshold value, determine the fingerprint pressing operation for effective fingerprint by Pressure；If effective pressing area is less than the threshold value, determine that the fingerprint pressing operation is pressed for invalid fingerprint.
Optionally, in the embodiment of the present application, this method further includes：Determine the fingerprint pressing operation for invalid fingerprint by In the case of pressure, user is prompted to re-start fingerprint pressing operation.
In practical applications, when terminal device determines the fingerprint pressing operation as the pressing of invalid fingerprint, different manufacturers Different interactive modes may be used, such as can be by directly user being prompted to re-start fingerprint in the screen displaying character Input prompts user to re-start fingerprint input by vibrational feedback, for example shakes and (generally shake twice and represent to lose twice Lose) or do not do any feedback yet.
In the pressing detection method of fingerprint recognition system provided by the embodiments of the present application, terminal device is determining current use Fingerprint pressing operation is re-started by prompting the user with when the fingerprint pressing operation at family is pressed for invalid fingerprint, user can be made Current finger print pressing operation validity is specified, so as to quickly be pressed if necessary next time, improves user experience.
Optionally, in the embodiment of the present application, this method further includes：Determine the fingerprint pressing operation for effective fingerprint by In the case of pressure, the fingerprint device is controlled to carry out fingerprint image acquisition.
In the pressing detection method of fingerprint recognition system provided by the embodiments of the present application, user is using fingerprint recognition work( During energy, the screen of terminal device passes through user's press event that its touch control detection function perceives the induction region of fingerprint device, i.e., Detect fingerprint pressing operation of the user in screen, first by judging whether the fingerprint pressing operation is that effective fingerprint presses, If effectively fingerprint pressing, just trigger fingerprint device and carry out fingerprint image acquisition, and then the typing or knowledge of fingerprint can be completed It does not operate.
It should be understood that the size of the serial number of above-mentioned each process is not meant to the priority of execution sequence, the execution of each process is suitable Sequence should determine that the implementation process without coping with the embodiment of the present application forms any restriction with its function and internal logic.
Although the application and its advantage are elaborated, it should be appreciated that do not departing from such as the appended claims In the case of the spirit and scope defined, various change, replacement and change can be carried out to the application.
Fig. 7 shows the schematic block diagram of the pressing detection device 300 of the fingerprint recognition system of the embodiment of the present application.This refers to Line identifying system includes screen and fingerprint device, and the induction region of the fingerprint device is at least partially disposed at the viewing area of the screen Domain, as shown in fig. 7, the device 300 includes：
First acquisition unit 310, for obtaining in the pressing area of the fingerprint pressing operation of the screen；
Detection unit 320, for detecting effective pressing area of the fingerprint pressing operation, this effectively presses area and is pressed for this The area of intermediate pressure section and the lap of the induction region of the fingerprint device；
Determination unit 330, for according to effective pressing area, determining the validity of the fingerprint pressing operation, the fingerprint The validity of pressing operation includes the pressing of effective fingerprint or invalid fingerprint pressing.
Therefore, the pressing detection device of the fingerprint recognition system of the embodiment of the present application, by the way that the fingerprint of user is pressed behaviour The pressing area of work and the induction region of fingerprint device are compared, and get effective pressing area of the fingerprint pressing operation, And according to effective pressing area and the magnitude relationship of threshold value, determine whether the fingerprint pressing operation is the pressing of effective fingerprint, because The invalid fingerprint caused by pressing is not complete presses during this can filter out user's use in advance, and then it is possible to prevente effectively from Since pressing does not lead to problems such as the collected fingerprint template of fingerprint recognition system imperfect entirely or fingerprint recognition failure occurs, Furthermore it is also possible to certain false-touch prevention and antiforge function.
Optionally, in the embodiment of the present application, which further includes：Second acquisition unit, for single in first acquisition Before member obtains the pressing area of the fingerprint pressing operation, the information of the induction region of the fingerprint device, the fingerprint device are obtained Induction region information including the fingerprint device induction region position and size information.
Optionally, in the embodiment of the present application, which is specifically used for：Show that preview regards on the screen Figure, the preview view are the acquisition view of the fingerprint device；One adjustable pattern suspended window is provided on the screen；To this Pattern suspended window is adjusted, so that the preview view shows the figure of the complete pattern of the pattern suspended window and the pattern suspended window Case is paved with entire preview view；Obtain position and the size information of the pattern suspended window, and by the position of the pattern suspended window and Size information is determined as the information of the induction region of the fingerprint device.
Optionally, in the embodiment of the present application, if the size of the pattern suspended window and the induction region of the fingerprint device Size is identical, which is adjusted the pattern suspended window, including：Mobile pattern suspended window so that the figure Case suspended window completely covers the induction region of the fingerprint device.
Optionally, in the embodiment of the present application, if the size of the pattern suspended window and the induction region of the fingerprint device Of different sizes, which operates the pattern suspended window, including：The mobile pattern suspended window, and adjust the pattern and hang The size of floating window so that the pattern suspended window is identical with the size of the induction region and induction zone that completely cover the fingerprint device Domain.
Optionally, in the embodiment of the present application, which is specifically used for：Detect that the pressing is grasped in the screen After work, the touch detection data that are reported according to the screen determine position and the size of the pressing area of the fingerprint pressing operation.
Optionally, in the embodiment of the present application, if the shape of the pressing area is ellipse, which includes The center point coordinate of the pressing area, the long axis direction of the pressing area, long axis value and the pressing area of the pressing area Short axle value；If the shape of the pressing area is circle, which includes the center point coordinate of the pressing area and is somebody's turn to do The radius of pressing area.
Optionally, in the embodiment of the present application, which includes fingerprint pressing operation institute on the screen There is the coordinate of contact, the touch detection data which reports according to the screen determine the fingerprint pressing operation The position of pressing area and size, including：Go out the pressing area of the fingerprint pressing operation according to the coordinate fitting of all contacts, And determine position and the size of the pressing area of the fingerprint pressing operation.
Optionally, in the embodiment of the present application, which is specifically used for：If effective pressing area is greater than or equal to The threshold value determines that the fingerprint pressing operation is pressed for effective fingerprint；If effective pressing area is less than the threshold value, the fingerprint is determined Pressing operation is pressed for invalid fingerprint.
Optionally, in the embodiment of the present application, which further includes：Prompt unit, for determining this in the determination unit In the case that fingerprint pressing operation is the pressing of invalid fingerprint, user is prompted to re-start fingerprint pressing operation.
Optionally, in the embodiment of the present application, which further includes：Control unit, for determining this in the determination unit In the case that fingerprint pressing operation is the pressing of effective fingerprint, the fingerprint device is controlled to carry out fingerprint image acquisition.
Optionally, the embodiment of the present application additionally provides a kind of fingerprint recognition system, which can include upper State pressing detection device, screen and the fingerprint device of the fingerprint recognition system in various embodiments.
Optionally, which can be terminal device, including but not limited to mobile phone, computer, multimedia machine and Game machine.
The application method is may correspond to according to the pressing detection device 300 of the fingerprint recognition system of the embodiment of the present application to implement Executive agent in example, and above and other operation and/or function of each unit in device 300 is respectively in order to realize figure The corresponding flow of method 200 in 2 to Fig. 6, for sake of simplicity, details are not described herein.
Fig. 8 is the schematic block diagram according to terminal device 400 provided by the embodiments of the present application.Terminal device shown in Fig. 8 400 include：Radio frequency (Radio Frequency, RF) circuit 410, memory 420, other input equipments 430, display screen 440, The components such as sensor 450, voicefrequency circuit 460, I/O subsystems 470, processor 480 and power supply 490.Those skilled in the art It is appreciated that the terminal device structure shown in Fig. 8 does not form the restriction to terminal device, can include than illustrate it is more or Less component either combines certain components and either splits certain components or different components arrangement.Ability field technology Personnel are appreciated that display screen 440 belongs to user interface (User Interface, UI), and terminal device 400 can include than Diagram or less user interface.
Each component parts of terminal device 400 is specifically introduced with reference to Fig. 8：
RF circuits 410 can be used for receive and send messages or communication process in, signal sends and receivees, particularly, by base station After downlink information receives, handled to processor 480；In addition, the data for designing uplink are sent to base station.In general, RF circuit packets It includes but is not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuits 410 can also communicate with network and other equipment by radio communication.
Memory 420 can be used for storage software program and module, and processor 480 is stored in memory 420 by operation Software program and module, so as to perform the various function application of terminal device 400 and data processing.Memory 420 can Mainly include storing program area and storage data field, wherein, storing program area can storage program area, needed at least one function Application program (such as sound-playing function, image playing function etc.) etc.；Storage data field can be stored according to terminal device 400 Use created data (such as audio data, phone directory etc.) etc..In addition, memory 420 can include depositing at random at a high speed Access to memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other easily The property lost solid-state memory.
Other input equipments 430 can be used for receiving the number inputted or character information and generate and terminal device 400 User setting and function control it is related signal input.Specifically, other input equipments 430 may include but be not limited to secondary or physical bond (light mouse is that do not show can for disk, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever, light mouse Depending on the extension of the touch sensitive surface or the touch sensitive surface formed by screen of output) etc. in it is one or more.Its He is connected input equipment 430 with other input device controls devices 471 of I/O subsystems 470, in other equipment input controller Under 471 control signal interaction is carried out with processor 480.
Display screen 440 can be used for display by information input by user or be supplied to the information of user and terminal device 400 Various menus, can also receive user input.Specific display screen 440 can be touch screen, it may include display panel 441, And touch panel 442.Touch panel 442 can cover display panel 441, and user can be according in the display of display panel 441 Hold (the display content includes but not limited to, soft keyboard, virtual mouse, virtual key, icon etc.), on display panel 441 It on the touch panel 442 of covering or is nearby operated, touch panel 442 is detected on it or after neighbouring operation, is led to It crosses I/O subsystems 470 and sends processor 480 to determine that user inputs, be followed by subsequent processing device 480 and I/O is passed through according to user's input Subsystem 470 provides corresponding visual output on display panel 441.Although in fig. 8, touch panel 442 and display panel 441 be the component independent as two to realize the input of terminal device 400 and input function, but in certain embodiments, Can be integrated by touch panel 442 and display panel 441 and that realizes terminal device 400 output and input function.
Terminal device 400 may also include at least one sensor 450, for example, the sensor 450 can be located at display screen Fingerprint Identification sensor in 440 times or display screen 440, that is, the fingerprint device in the embodiment of the present application.
Voicefrequency circuit 460, loud speaker 461, microphone 462 can provide the audio interface between user and terminal device 400. The transformed signal of the audio data received can be transferred to loud speaker 461, is converted to by loud speaker 461 by voicefrequency circuit 460 Voice signal exports；On the other hand, the voice signal of collection is converted to signal by microphone 462, after being received by voicefrequency circuit 460 Audio data is converted to, then audio data exported to RF circuits 410 to be sent to such as another mobile phone or by audio data It exports to memory 420 to be further processed.
I/O subsystems 470 are used for controlling the external equipments of input and output, can include other equipment input controller 471, Sensor controller 472, display controller 473.Optionally, other one or more input control apparatus controllers 471 from its His input equipment 430 receives signal and/or sends signal to other input equipments 430, other input equipments 430 can include Physical button (pressing button, rocker buttons etc.), dial, slide switch, control stick, click idler wheel, (light mouse is not aobvious to light mouse Show the extension of the touch sensitive surface visually exported or the touch sensitive surface formed by screen).What deserves to be explained is Other input control apparatus controllers 471 can be connect with any one or multiple above equipments.In the I/O subsystems 470 Display controller 473 from display screen 440 receive signal and/or to display screen 440 send signal.Display screen 440 detects After user's input, display controller 473 is converted to the user detected input with including the user interface on display screen 440 The interaction of object, that is, realize human-computer interaction.Sensor controller 472 can receive signal from one or more sensor 450 And/or send signal to one or more sensor 450.
Processor 480 is the control centre of terminal device 400, utilizes various interfaces and the entire terminal device of connection Various pieces are stored in by running or performing the software program being stored in memory 420 and/or module and call Data in reservoir 420 perform the various functions of terminal device 400 and processing data, so as to carry out whole prison to terminal device Control.Optionally, processor 480 may include one or more processing units；Preferably, processor 480 can integrate application processor And modem processor, wherein, the main processing operation system of application processor, user interface and application program etc., modulatedemodulate Processor is adjusted mainly to handle wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor In 480.The processor 480 can be used for performing each step in the application embodiment of the method.
Terminal device 400 further includes the power supply 490 (such as battery) powered to all parts, it is preferred that power supply can lead to Cross power-supply management system and processor 480 be logically contiguous, so as to by power-supply management system realize management charging, electric discharge and The functions such as power consumption.
Although being not shown, terminal device 400 can also include camera, bluetooth module etc., and details are not described herein.
It should be understood that the terminal device 400 may correspond to the pressing detection of the fingerprint recognition system according to the embodiment of the present application Terminal device in method, the terminal device 400 can include the method for performing the execution of the terminal device in the above method Solid element.Also, each solid element and other above-mentioned operation and/or functions in the terminal device 400 are respectively in order to upper The corresponding flow of method is stated, for sake of simplicity, details are not described herein.
It should also be understood that the processor in the embodiment of the present application can be a kind of IC chip, there is the processing of signal Ability.During realization, each step of above method embodiment can pass through the integrated logic circuit of the hardware in processor Or the instruction of software form is completed.Above-mentioned processor can be central processing unit (Central Processing Unit, CPU), the processor can also be other general processors, digital signal processor (Digital Signal Processor, DSP), it is application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing Into programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete Door or transistor logic, discrete hardware components.It can realize or perform the disclosed each side in the embodiment of the present application Method, step and logic diagram.General processor can be microprocessor or the processor can also be any conventional processing Device etc..The step of method with reference to disclosed in the embodiment of the present application, can be embodied directly in hardware decoding processor and perform completion, Or perform completion with the hardware in decoding processor and the combination of software device.Software device can be located at random access memory, flash memory, only Memory is read, the storage of this fields such as programmable read only memory or electrically erasable programmable memory, register maturation is situated between In matter.The storage medium is located at memory, and processor reads the information in memory, and the step of the above method is completed with reference to its hardware Suddenly.
It should also be understood that the memory in the embodiment of the present application can be volatile memory or nonvolatile memory or It may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read- Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can be used, such as static RAM (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DR RAM).It should be noted that the memory of system and method described herein be intended to including but not limited to these and The memory of any other suitable type.
It should also be understood that the bus system in addition to including data/address bus, can also include power bus, controlling bus and shape State signal bus etc..But for the sake of clear explanation, various buses are all designated as bus system in figure.
It should also be understood that in the embodiment of the present application, " B corresponding with A " represents that B is associated with A, and B can be determined according to A. It is also to be understood that determining that B is not meant to determine B only according to A according to A, can also B be determined according to A and/or other information. It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression may have three kinds of passes System, for example, A and/or B, can represent：Individualism A, while 10 are deposited in A and B, these three situations of individualism B.In addition, this Character "/" in text, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
During realization, each step of the above method can by the integrated logic circuit of the hardware in processor or The instruction of software form is completed.The step of method for being used for transmission uplink signal with reference to disclosed in the embodiment of the present application, can be straight It connects and is presented as that hardware processor performs completion or performs completion with the hardware in processor and the combination of software device.Software device can To be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory are posted In the storage medium of this fields such as storage maturation.The storage medium is located at memory, and processor reads the information in memory, knot Close the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.
The embodiment of the present application also proposed a kind of computer readable storage medium, the computer-readable recording medium storage one A or multiple programs, the one or more program include instruction, which works as is held by the terminal device including multiple application programs During row, the method for terminal device execution embodiment illustrated in fig. 2 can be made.
Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein Member and circuit can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually with hard Part or software mode perform, specific application and design constraint depending on technical solution.Professional technician can be with Described function is realized using distinct methods to each specific application, but this realization is it is not considered that beyond this Shen Range please.
In several embodiments provided herein, it should be understood that disclosed circuit, branch and unit, it can be with It realizes by another way.For example, branch described above is schematical, for example, the division of the unit, only one Kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or It is desirably integrated into a branch or some features can be ignored or does not perform.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical solution of the application is substantially The part to contribute in other words to the prior art or the part of the technical solution can be embodied in the form of software product Come, which is stored in a storage medium, is used including some instructions so that a computer equipment (can To be personal computer, server or the network equipment etc.) perform all or part of each embodiment the method for the application Step.And aforementioned storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program The medium of code.
The specific embodiment of the above, only the application, but the protection domain of the application is not limited thereto, it is any In the technical scope that those familiar with the art discloses in the application, change or replacement can be readily occurred in, should all be contained It covers within the protection domain of the application.Therefore, the protection domain of the application should be subject to the scope of the claims.

Claims (23)

1. a kind of pressing detection method of fingerprint recognition system, which is characterized in that the fingerprint recognition system includes screen and refers to Line device, the induction region of the fingerprint device are at least partially disposed at the display area of the screen, the method includes：
It obtains in the pressing area of the fingerprint pressing operation of the screen；
Effective pressing area of the fingerprint pressing operation is detected, effective pressing area is the pressing area and the finger The area of the lap of the induction region of line device；
According to effective pressing area, determine the validity of the fingerprint pressing operation, the fingerprint pressing operation it is effective Property include the pressing of effective fingerprint or the pressing of invalid fingerprint.
2. according to the method described in claim 1, it is characterized in that, the pressing area for obtaining the fingerprint pressing operation it Before, the method further includes：
The information of the induction region of the fingerprint device is obtained, the information of the induction region of the fingerprint device includes the fingerprint The position of the induction region of device and size information.
3. the according to the method described in claim 2, it is characterized in that, letter of the induction region for obtaining the fingerprint device Breath, including：
Preview view is shown on the screen, and the preview view is the acquisition view of the fingerprint device；
One adjustable pattern suspended window is provided on the screen；
The pattern suspended window is adjusted, so that the preview view shows the complete pattern of the pattern suspended window and institute The pattern for stating pattern suspended window is paved with entire preview view；
Position and the size information of the pattern suspended window are obtained, and the position of the pattern suspended window and size information are determined The information of induction region for the fingerprint device.
4. if according to the method described in claim 3, it is characterized in that, the size of the pattern suspended window and the fingerprint device Induction region size it is identical, it is described that the pattern suspended window is adjusted, including：
The mobile pattern suspended window so that the pattern suspended window completely covers the induction region of the fingerprint device.
5. if according to the method described in claim 3, it is characterized in that, the size of the pattern suspended window and the fingerprint device Induction region it is of different sizes, it is described that the pattern suspended window is adjusted, including：
The mobile pattern suspended window, and adjust the size of the pattern suspended window so that the pattern suspended window and the sense It answers the size in region identical and completely covers the induction region of the fingerprint device.
6. the method according to any one of claims 1 to 5, it is characterized in that, the fingerprint obtained in the screen The pressing area of pressing operation, including：
The touch detection data reported according to the screen determine the position of the pressing area of the fingerprint pressing operation and big It is small.
If 7. according to the method described in claim 6, it is characterized in that, the shape of the pressing area for ellipse, it is described touch Touch the center point coordinate that detection data includes the pressing area, the long axis direction of the pressing area, the pressing area Long axis value and the short axle value of the pressing area；If the shape of the pressing area is circle, the touch detection data include The center point coordinate of the pressing area and the radius of the pressing area.
8. according to the method described in claim 6, it is characterized in that, the touch detection data include the fingerprint pressing operation The coordinate of all contacts on the screen, the touch detection data reported according to the screen, determine the fingerprint by The position of the pressing area of press operation and size, including：
Go out the pressing area of the fingerprint pressing operation according to the coordinate fitting of all contacts, and determine the fingerprint pressing The position of the pressing area of operation and size.
9. method according to any one of claim 1 to 8, which is characterized in that it is described according to effective pressing area, Determine the validity of the fingerprint pressing operation, including：
If effective pressing area is greater than or equal to threshold value, determine that the fingerprint pressing operation is pressed for effective fingerprint；
If effective pressing area is less than the threshold value, determine that the fingerprint pressing operation is pressed for invalid fingerprint.
10. method according to any one of claim 1 to 9, which is characterized in that the method further includes：
In the case where determining the fingerprint pressing operation for the pressing of invalid fingerprint, user is prompted to re-start fingerprint pressing behaviour Make.
11. method according to any one of claim 1 to 10, which is characterized in that the method further includes：
In the case where determining the fingerprint pressing operation for the pressing of effective fingerprint, the fingerprint device is controlled to carry out fingerprint image Acquisition.
12. the pressing detection device of a kind of fingerprint recognition system, which is characterized in that the fingerprint recognition system includes screen and refers to Line device, the induction region of the fingerprint device are at least partially disposed at the display area of the screen, and described device includes：
First acquisition unit, for obtaining in the pressing area of the fingerprint pressing operation of the screen；
Detection unit, for detecting effective pressing area of the fingerprint pressing operation, effective pressing area is pressed to be described The area of intermediate pressure section and the lap of the induction region of the fingerprint device；
Determination unit, for according to effective pressing area, determining the validity of the fingerprint pressing operation, the fingerprint is pressed The validity of press operation includes the pressing of effective fingerprint or invalid fingerprint pressing.
13. device according to claim 12, which is characterized in that described device further includes：
Second acquisition unit, for before the pressing area of the first acquisition unit acquisition fingerprint pressing operation, obtaining The information of the induction region of the fingerprint device is taken, the information of the induction region of the fingerprint device includes the fingerprint device The position of induction region and size information.
14. device according to claim 13, which is characterized in that the second acquisition unit is specifically used for：
Preview view is shown on the screen, and the preview view is the acquisition view of the fingerprint device；
One adjustable pattern suspended window is provided on the screen；
The pattern suspended window is adjusted, so that the preview view shows the complete pattern of the pattern suspended window and institute The pattern for stating pattern suspended window is paved with entire preview view；
Position and the size information of the pattern suspended window are obtained, and the position of the pattern suspended window and size information are determined The information of induction region for the fingerprint device.
15. device according to claim 14, which is characterized in that if the size of the pattern suspended window is filled with the fingerprint The size for the induction region put is identical, and the second acquisition unit is adjusted the pattern suspended window, including：
The mobile pattern suspended window so that the pattern suspended window completely covers the induction region of the fingerprint device.
16. device according to claim 14, which is characterized in that if the size of the pattern suspended window is filled with the fingerprint Of different sizes, the second acquisition unit operation pattern suspended window for the induction region put, including：
The mobile pattern suspended window, and adjust the size of the pattern suspended window so that the pattern suspended window and the sense It answers the size in region identical and completely covers the induction region of the fingerprint device.
17. the device according to any one of claim 12 to 16, which is characterized in that
The first acquisition unit is specifically used for：
The touch detection data reported according to the screen determine the position of the pressing area of the fingerprint pressing operation and big It is small.
18. device according to claim 17, which is characterized in that described if the shape of the pressing area is ellipse Touch detection data include the center point coordinate of the pressing area, the long axis direction of the pressing area, the pressing area Long axis value and the pressing area short axle value；If the shape of the pressing area is circle, the touch detection data packet Include the center point coordinate of the pressing area and the radius of the pressing area.
19. device according to claim 17, which is characterized in that the touch detection data include fingerprint pressing behaviour Make the coordinate of all contacts on the screen, the touch detection data that the first acquisition unit is reported according to the screen, Determine position and the size of the pressing area of the fingerprint pressing operation, including：
Go out the pressing area of the fingerprint pressing operation according to the coordinate fitting of all contacts, and determine the fingerprint pressing The position of the pressing area of operation and size.
20. the device according to any one of claim 12 to 19, which is characterized in that the determination unit is specifically used for：
If effective pressing area is greater than or equal to threshold value, determine that the fingerprint pressing operation is pressed for effective fingerprint；
If effective pressing area is less than the threshold value, determine that the fingerprint pressing operation is pressed for invalid fingerprint.
21. the device according to any one of claim 12 to 20, which is characterized in that described device further includes：
Prompt unit in the case of determining the fingerprint pressing operation for the pressing of invalid fingerprint in the determination unit, carries Show that user re-starts fingerprint pressing operation.
22. the device according to any one of claim 12 to 21, which is characterized in that described device further includes：
Control unit, in the case of determining the fingerprint pressing operation for the pressing of effective fingerprint in the determination unit, control It makes the fingerprint device and carries out fingerprint image acquisition.
23. a kind of terminal device, which is characterized in that the terminal device includes fingerprint recognition system and pressing detection device, Described in fingerprint recognition system include screen and fingerprint device, the induction region of the fingerprint device is at least partially disposed at the screen The display area of curtain, also, the pressing detection device is the fingerprint recognition system as described in any one of claim 12 to 22 The pressing detection device of system.
CN201880000042.1A 2018-01-15 2018-01-15 Press detection method and device of fingerprint identification system and terminal equipment Active CN108235750B (en)

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Cited By (11)

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