CN107229544A - Screen detection method and related product - Google Patents
Screen detection method and related product Download PDFInfo
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- CN107229544A CN107229544A CN201710343004.3A CN201710343004A CN107229544A CN 107229544 A CN107229544 A CN 107229544A CN 201710343004 A CN201710343004 A CN 201710343004A CN 107229544 A CN107229544 A CN 107229544A
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- fingerprint image
- display screen
- touching display
- fingerprint
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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Abstract
The present embodiments relate to technical field of mobile terminals, a kind of screen detection method and Related product are disclosed.Wherein, the fingerprint recognition region of the fingerprint identification device of mobile terminal is located at the first area of touching display screen, the finger print data that the AP of mobile terminal is obtained according to fingerprint identification device builds fingerprint image, if there is interference noise on the fingerprint image, among the region for being located at touching display screen due to fingerprint recognition region, it can speculate that the interference noise derives from the damage of touching display screen；In this case, AP notifies flaw detection sensor to detect touching display screen, to determine whether touching display screen damages.It can be seen that, mobile terminal can find the damage of touching display screen early, and then can optimize fingerprint image according to the damaged condition of touching display screen by the analysis to fingerprint image.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of screen detection method and Related product.
Background technology
With the development of mobile terminal technology, the mobile terminal with touching display screen is more popularized.With touch-control
The mobile terminal of display screen is compared with only possessing the mobile terminal of keyboard, and touching display screen allows user more freely to screen
Shown content is operated on curtain, the convenient degree for improving the interactivity of mobile terminal and using.
However, user will move accidentally often by mobile terminal and key simultaneously in pocket, or in use
Dynamic terminal is dropped, and when occurring such situation, the touching display screen of mobile terminal is often damaged, such as, aobvious in touch-control
Crack, hole and cut etc. are produced on the watch crystal of display screen.
The damage of above-mentioned touching display screen not only can influence user to check the content shown on touching display screen, it is also possible to make
Into unexpected injuries such as scuffings.Therefore, the damage of screen how is detected in time, as a urgent problem to be solved.
The content of the invention
The embodiments of the invention provide a kind of screen detection method and Related product, to propose a kind of fingerprint recognition region
The screen detection method of mobile terminal in touching display screen, can early find to touch by the analysis to fingerprint image
The damage of display screen is controlled, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
In a first aspect, the embodiments of the invention provide a kind of mobile terminal, including application processor AP, touching display screen,
Fingerprint identification device, the mobile terminal also includes flaw detection sensor, and the fingerprint recognition region of the fingerprint identification device is located at
The first area of the touching display screen, wherein,
The AP, is used for：The finger print data obtained according to the fingerprint identification device builds fingerprint image；Analysis is described to be referred to
Print image, to determine to whether there is interference noise on the fingerprint image；There is the interference noise on the fingerprint image
In the case of, notify the flaw detection sensor to detect the touching display screen；
The flaw detection sensor, for detecting the touching display screen, to determine whether the touching display screen damages.
Second aspect, the embodiments of the invention provide a kind of screen detection method, applied to including application processor AP, touch
Control the mobile terminal of display screen, fingerprint identification device and flaw detection sensor, the fingerprint recognition region position of the fingerprint identification device
In the first area of the touching display screen, methods described includes：
The mobile terminal builds fingerprint image by the AP finger print datas obtained according to the fingerprint identification device；
The mobile terminal analyzes the fingerprint image by the AP, to determine on the fingerprint image with the presence or absence of dry
Disturb noise；
In the case that the mobile terminal has the interference noise by the AP on the fingerprint image, institute is notified
Flaw detection sensor is stated to detect the touching display screen；
The mobile terminal detects the touching display screen by the flaw detection sensor, to determine the touching display screen
Whether damage.
The third aspect, the embodiments of the invention provide a kind of mobile terminal, including：Application processor AP, touching display screen,
Fingerprint identification device, flaw detection sensor and memory；And one or more programs, wherein, the finger of the fingerprint identification device
Line identification region is located at the first area of the touching display screen；
One or more of programs are stored in the memory, and are configured to be performed by the AP, described
Program includes the instruction for being used to perform following steps；
Fingerprint image is built by the AP finger print datas obtained according to the fingerprint identification device；
The fingerprint image is analyzed by the AP, to determine to whether there is interference noise on the fingerprint image；
In the case of there is the interference noise on the fingerprint image by the AP, the flaw detection sensor is notified
The touching display screen is detected；
The touching display screen is detected by the flaw detection sensor, to determine whether the touching display screen damages.
Fourth aspect, the embodiments of the invention provide a kind of screen detection means, the device, which has, realizes that the above method is set
The function of the behavior of mobile terminal in meter.The function can be realized by hardware, can also be performed by hardware corresponding soft
Part is realized.The hardware or software include one or more modules corresponding with above-mentioned functions.
5th aspect, the embodiments of the invention provide a kind of computer-readable recording medium, wherein, it is described computer-readable
Storage medium stores the computer program for electronic data interchange, wherein, the computer program causes computer to perform such as
Part or all of step described in second aspect either method of the embodiment of the present invention.
6th aspect, the embodiments of the invention provide a kind of computer program product, wherein, the computer program product
Non-transient computer-readable recording medium including storing computer program, the computer program is operable to make calculating
Machine performs the part or all of step as described in second aspect either method of the embodiment of the present invention.The computer program product
Can be a software installation bag.
In the embodiment of the present invention, the fingerprint recognition region of the fingerprint identification device of mobile terminal is located at the of touching display screen
One region, the finger print data that the AP of mobile terminal is obtained according to fingerprint identification device builds fingerprint image, if the fingerprint image
On there is interference noise, due to fingerprint recognition region be located at touching display screen region among, can speculate the interference noise come
Come from the damage of touching display screen；In this case, AP notifies flaw detection sensor to detect touching display screen, to determine
Whether touching display screen damages.It can be seen that, mobile terminal can find touching display screen early by the analysis to fingerprint image
Damage, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Figure 1A is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention；
Figure 1B is the position view of a kind of first area and second area disclosed in the embodiment of the present invention；
Fig. 1 C are a kind of schematic diagram of the pixel array of fingerprint chip disclosed in the embodiment of the present invention；
Fig. 1 D are a kind of schematic diagram of the interference noise disclosed in the embodiment of the present invention on fingerprint image；
Fig. 2 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet of screen detection method disclosed in the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another screen detection method disclosed in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of screen detection means disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, it is clear that described embodiment is only embodiment of the invention a part of, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing etc. are to be used to distinguish
Different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any deformations, meaning
Figure is to cover non-exclusive include.For example contain series of steps or process, method, system, product or the equipment of unit
The step of being not limited to list or unit, but alternatively also include the step of do not list or unit, or alternatively also
Including for other intrinsic steps of these processes, method or equipment or unit.
The embodiments of the invention provide a kind of screen detection method and Related product, to propose a kind of fingerprint recognition region
The screen detection method of mobile terminal in touching display screen, can early find to touch by the analysis to fingerprint image
The damage of display screen is controlled, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
Mobile terminal involved by the embodiment of the present invention can include the various handheld devices with radio communication function,
Mobile unit, wearable device, computing device or other processing equipments for being connected to radio modem, and various forms
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as mobile terminal.The embodiment of the present invention is carried out below detailed
It is thin to introduce.
Figure 1A is referred to, Figure 1A is a kind of structural representation of mobile terminal 1 00 provided in an embodiment of the present invention, the shifting
Dynamic terminal 100 includes：Application processor AP110, touching display screen 120, fingerprint identification device 130 and flaw detection sensor 160, institute
State fingerprint identification device 130 and be bound to the touching display screen 120, the fingerprint recognition region position of the fingerprint identification device 130
In the first area of the touching display screen 120, wherein, the AP110 connects touching display screen 120, fingerprint by bus 150
Identifying device 130 and flaw detection sensor 160.
Figure 1B is referred to, Figure 1B is the position view of first area and second area disclosed in the embodiment of the present invention.Its
In, first area is the region where the fingerprint recognition region of above-mentioned fingerprint identification device 130.First area can be that touch-control shows
Any one predeterminable area of display screen 120, the predeterminable area can be located at the upper left side of touching display screen 120 (such as Figure 1B institutes
Show), upside, downside, left side, right side, the embodiment of the present invention do not do unique restriction.
And second area can be the region where flaw detection sensor 160, second area is misaligned with first area.Flaw detection is passed
Whether sensor 160 can be used for the surface of detection touching display screen 120 smooth, if there is crackle, cut and hole etc..For convenience
In detecting whole touching display screen 120, second area (can as shown in Figure 1B, be leaned on close to the fringe region of touching display screen 120
The lower edge of nearly touching display screen 120) so that, flaw detection sensor 160 can be scanned whole by media such as infrared light, ultrasonic waves
Individual touching display screen 120.
The AP110, the finger print data for being obtained according to the fingerprint identification device 130 builds fingerprint image.
As an alternative embodiment, fingerprint identification device 130 include fingerprint sensor, fingerprint sensor include with
Lower at least one：Optical fingerprint sensor, capacitive fingerprint sensing device and ultrasonic fingerprint sensor etc..
When fingerprint sensor is capacitive fingerprint sensing device, the principle that fingerprint image is obtained is fingerprint chip internal by m*
The pixel pixel compositions of n array.Fig. 1 C are referred to, Fig. 1 C are a kind of fingerprint chip disclosed in the embodiment of the present invention
The schematic diagram of pixel array.Assuming that in fig. 1 c, array has 56*192,10752 pixel values altogether；
When finger down fingerprint module surface, each pixel points are with forming capacitance, electric capacity between finger surface
Value can according to the peak valley difference of fingerprint without same, because it is near with pixel points distance to refer to summit, and refer to paddy can be a little further.Fingerprint mould
Group can form a rough three-dimensional surface according to the capacitance size of 10752 pixels, be simulated by this three-dimensional surface
Fingerprint image.
If the fingerprint sensor is optical fingerprint sensor, the fingerprint identification device is bound to the touching display screen
Specific manifestation form for example can be：The fingerprint identification device is integrated in the touching display screen, the finger of mobile terminal
Line identifying device is to gather user fingerprints data, the touch screen and display screen of the touching display screen based on pinhole imaging system principle
Between wall be provided with the first array of orifices layer, the drive circuit layer of the display screen forms equally distributed in printing
Equally distributed array of orifices is as second orifice array layer in array of orifices, the drive circuit layer, and first aperture battle array
Loophole in loophole and the second orifice array layer in row layer is corresponded, and the optical finger print Sensor includes electricity
Lotus coupler ccd array layer, ccd array layer is used to detect through first array of orifices layer and the second orifice array layer
Light.
If the fingerprint sensor is ultrasonic fingerprint sensor, the fingerprint identification device is bound to the touch-control and shown
The specific manifestation form of display screen for example can be：The medial surface of the touching display screen is provided with vacuum detecting chamber, described true
Multiple ultrasonic sensors are uniformly placed with empty detection chambers, ultrasonic sensor includes ultrasonic signal emitters and ultrasound
Ripple signal receiver, ultrasonic signal emitters are used to launch the signal of specific frequency to detect user fingerprints, ultrasonic signal
Receiver is used to receive the echo-signal reflected.The operation principle of ultrasonic sensor is that have to penetrate material using ultrasonic wave
The ability of material, and (when ultrasonic wave reaches unlike material surface, absorbed, worn with the difference generation of material echo of different sizes
It is thoroughly different from the degree of reflection), can distinguish user fingerprints face ridge and valley where position.
The AP110, is additionally operable to analyze the fingerprint image, to determine to make an uproar with the presence or absence of interference on the fingerprint image
Sound.
In the embodiment of the present invention, there may be interference noise on fingerprint image, interference noise can influence fingerprint image
Recognition speed and accuracy.However, being touched because in the embodiment of the present invention, the fingerprint recognition region of fingerprint identification device 130 is located at
Control display screen 120 region among, thus, if touching display screen damage, the interference noise may by touching display screen damage
Bad (such as cut, crack, hole) is caused.
As an alternative embodiment, in can determine whether the more than one fingerprint image that fingerprint identification device 130 is obtained,
Whether the same position relative to fingerprint recognition region exist the interference vestige, come tentatively judge the interference vestige whether by
The damage of touching display screen and cause.Fig. 1 D are referred to, Fig. 1 D list 3 fingerprint images, in 3 fingerprint images, existed
Relative to the edge (circle is the edge that represents fingerprint recognition region in figure) in fingerprint recognition region same position exist it is identical
Interference vestige, therefore it may be speculated that the interference vestige derive from touching display screen damage.
For other side, if in the multiple fingerprint images obtained, the interference vestige is equal relative to fingerprint image
It is at same location, then it should infer, stain, the damage of interference vestige in user's finger etc. is caused, and is not intended to touch-control
The damage of display screen is caused.
The AP110, is additionally operable in the case of there is the interference noise on the fingerprint image, notifies the flaw detection to pass
160 pairs of the sensor touching display screen 120 is detected.
The flaw detection sensor 160, for detecting the touching display screen 120, to determine that the touching display screen 120 is
It is no to damage.
As an alternative embodiment, flaw detection sensor 160 can sense for ultrasonic examination sensor, infra-red inspection
Device etc., specifically using which kind of sensor, the embodiment of the present invention is not limited.
When flaw detection sensor 160 is ultrasonic examination sensor, ultrasonic examination sensor configuration is shown in Figure 1B
Second area, thus, the ultrasonic wave of ultrasonic examination sensor emission can scan whole touching display screen 120, so that really
Determine whether touching display screen 120 damages.
When flaw detection sensor 160 be ultrasonic examination sensor when, ultrasonic examination sensor using ultrasonic wavelength it is short,
Good directionality, it is not likely to produce diffraction and runs into impurity or a point interface and will produce the characteristic significantly reflected, can detects to touch
Display screen 120 is controlled with the presence or absence of the infringement such as slight crack, scuffing, hole.
As an alternative embodiment, ultrasonic examination sensor configuration shown second area in fig. ib, its
Positioned at the lower section of touching display screen 120, there is certain angle with the plane of touching display screen 120, so that the ultrasound of its transmitting
Ripple can scan the whole region of touching display screen 120.
Ultrasonic examination sensor, which has in probe, probe, is configured with transmitter and receiver.Transmitter launches ultrasonic wave
(transmitted wave T), ultrasonic wave is with certain speed in the internal communication of touching display screen 120, and it is aobvious that a part of ultrasonic wave runs into touch-control
The broken parts of display screen 120 are reflected back and (obtain defect waves F), and another part ultrasonic wave continues to propagate to touching display screen
A point interface for 120 top also reflects and (obtains bottom ripple B), and receiver receives defect waves F and bottom ripple B, is sent out by analyzing
Ejected wave T, defect waves F and bottom ripple B waveform, can obtain the feature of broken parts.
For example, the position of analysis transmitted wave T, defect waves F and bottom ripple B crests, it may be determined that the position of broken parts；Analysis
Defect waves F amplitude, it can be determined that the size of broken parts；By defect waves F shape, it can be determined that the property of broken parts.
With reference to position, size and the property of infringement part, the shape information of the damage of touching display screen 120, the shape information can be obtained
It is follow-up to can be used for carrying out denoising to fingerprint image.
When flaw detection sensor 160 is infrared inspection sensor, infrared inspection sensor is damaged using touching display screen
Bad part, the principle that makes its infrared intensity different different with the pyroconductivity of non-broken parts, to find and determine touch-control
The damage of display screen 120.
As an alternative embodiment, infrared inspection sensor has infrared thermal imaging part, infrared heat is utilized
Image-forming block monitors the thermo parameters method (thermal-induced imagery) of touching display screen 120, to determine whether touching display screen 120 damages
It is bad, and determine the shape information of damage.
It should be noted that the damage of touching display screen, also including being covered in the screen protecting film on touching display screen surface
Damage.Because in the case of screen protection membrane damage, it is also possible to bring above-mentioned interference vestige for fingerprint image.
As can be seen here, the mobile terminal described by Figure 1A can find that touch-control shows early by the analysis to fingerprint image
The damage of display screen, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
Referring to Fig. 2, Fig. 2 is another mobile terminal 200 provided in an embodiment of the present invention, including：Application processor
AP110, touching display screen 120, fingerprint identification device 130, flaw detection sensor 160 and memory 140；And one or more journeys
Sequence, wherein, the fingerprint recognition region of the fingerprint identification device is located at the first area of the touching display screen, the AP110
Touching display screen 120, fingerprint identification device 130 and flaw detection sensor 160 are connected by bus 150.
One or more of programs are stored in the memory, and are configured to be performed by the AP, described
Program includes the instruction for being used to perform following steps；
Fingerprint image is built by the AP finger print datas obtained according to the fingerprint identification device；
The fingerprint image is analyzed by the AP, to determine to whether there is interference noise on the fingerprint image；
In the case of there is the interference noise on the fingerprint image by the AP, the flaw detection sensor is notified
The touching display screen is detected；
As an alternative embodiment, in can determine whether the more than one fingerprint image that fingerprint identification device 130 is obtained,
Whether the same position relative to fingerprint recognition region exist the interference vestige, come tentatively judge the interference vestige whether by
The damage of touching display screen and cause.Fig. 1 D are referred to, Fig. 1 D list 3 fingerprint images, in 3 fingerprint images, existed
Relative to the edge (circle is the edge that represents fingerprint recognition region in figure) in fingerprint recognition region same position exist it is identical
Interference vestige, therefore it may be speculated that the interference vestige derive from touching display screen damage.
The touching display screen is detected by the flaw detection sensor, to determine whether the touching display screen damages.
In a possible example, described program also includes the instruction for being used to perform following steps；
Control the flaw detection sensor in the case where the touching display screen damage is determined, notify the AP to described
Fingerprint image carries out Denoising disposal；
Denoising disposal is carried out to the fingerprint image by the AP.
In a possible example, it is described notify the AP to the fingerprint image carry out Denoising disposal in terms of,
Instruction in described program is specifically for performing following steps：
Control the flaw detection sensor to obtain the shape information that the touching display screen is damaged, the shape information is sent
To the AP；
It is described Denoising disposal is carried out to the fingerprint image in terms of, instruction in described program specifically for perform with
Lower step：
Pattern-recognition is carried out to the interference noise on the fingerprint image according to the shape information by the AP, with true
The edge of the fixed interference noise；The pixel in the edge area encompassed of the interference noise is deleted by the AP
Remove, and utilize the region of the pixel filling surrounded by edges of correspondence position in the fingerprint image prestored.
In a possible example, in the analysis fingerprint image, to determine whether deposited on the fingerprint image
In terms of interference noise, the instruction in described program is specifically for performing following steps：
This described fingerprint image obtained is contrasted with more than one history fingerprint image by the AP, with true
In the fixed fingerprint image and more than one history fingerprint image, if there are at least two images and know relative to the fingerprint
There is interference noise in the same position in other region.
In a possible example, described program also includes the instruction for being used to perform following steps；
Control the touching display screen before fingerprint identification device collection finger print data, detect user's finger
For the first area touch control operation when, notify the fingerprint identification device to gather the finger print data of user.
As can be seen here, the mobile terminal described by Fig. 2 can find that touch-control is shown early by the analysis to fingerprint image
The damage of screen；In addition, (such as touching display screen watch crystal splits the shape information that can be damaged according to touching display screen
Trace shape) to carry out noise removal process to fingerprint image, so as to purposefully remove fingerprint image noise, improve fingerprint
The recognition speed of image and the degree of accuracy.
Referring to Fig. 3, Fig. 3 is a kind of schematic flow sheet of screen detection method disclosed in the embodiment of the present invention.This method
It can apply to include the mobile terminal of application processor AP, touching display screen, fingerprint identification device and flaw detection sensor, fingerprint
The fingerprint recognition region of identifying device is located at the first area of the touching display screen.As shown in figure 3, this method can be included such as
Lower step：
301st, the mobile terminal builds fingerprint by the AP finger print datas obtained according to the fingerprint identification device
Image.
302nd, the mobile terminal analyzes the fingerprint image by the AP, to determine whether deposited on the fingerprint image
In interference noise.
303rd, in the case that the mobile terminal has the interference noise by the AP on the fingerprint image, lead to
Know that the flaw detection sensor is detected to the touching display screen.
304th, the mobile terminal detects the touching display screen by the flaw detection sensor, to determine that the touch-control shows
Whether display screen is damaged.
As an alternative embodiment, flaw detection sensor can be ultrasonic examination sensor, infra-red inspection sensor
Deng specifically using which kind of sensor, the embodiment of the present invention is not limited.
When flaw detection sensor is ultrasonic examination sensor, ultrasonic examination sensor is short, square using ultrasonic wavelength
Tropism is good, be not likely to produce diffraction and run into impurity or a point interface will produce the characteristic significantly reflected, can detect touch-control
Display screen is with the presence or absence of the infringement such as slight crack, scuffing, hole.
As an alternative embodiment, ultrasonic examination sensor configuration shown second area in fig. ib, its
Positioned at the lower section of touching display screen, there is certain angle with the plane of touching display screen, so that the ultrasonic wave of its transmitting can be with
Scan whole touching display screen region.
Ultrasonic examination sensor, which has in probe, probe, is configured with transmitter and receiver.Transmitter launches ultrasonic wave
(transmitted wave T), ultrasonic wave is with certain speed in the internal communication of touching display screen, and a part of ultrasonic wave runs into touching display screen
Broken parts be reflected back (obtain defect waves F), another part ultrasonic wave continues to propagate to the top of touching display screen
A point interface also reflect and (obtain bottom ripple B), receiver receives defect waves F and bottom ripple B, by analyzing transmitted wave T, defect waves
F and bottom ripple B waveform, can obtain the feature of broken parts.
For example, the position of analysis transmitted wave T, defect waves F and bottom ripple B crests, it may be determined that the position of broken parts；Analysis
Defect waves F amplitude, it can be determined that the size of broken parts；By defect waves F shape, it can be determined that the property of broken parts.
With reference to position, size and the property of infringement part, the shape information of touching display screen damage can be obtained, the shape information is follow-up
Denoising is carried out available for fingerprint image.
When flaw detection sensor is infrared inspection sensor, infrared inspection sensor utilizes touching display screen damage portion
Divide, the principle that makes its infrared intensity different different with the pyroconductivity of non-broken parts, to find and determine that touch-control is shown
The damage of screen.
As an alternative embodiment, infrared inspection sensor has infrared thermal imaging part, infrared heat is utilized
Image-forming block monitors the thermo parameters method (thermal-induced imagery) of touching display screen, to determine whether touching display screen has damage, with
And determine the shape information of damage.
As can be seen here, using the screen detection method described by Fig. 3, can early it be sent out by the analysis to fingerprint image
The damage of existing touching display screen, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
Referring to Fig. 4, Fig. 4 is the schematic flow sheet of another screen detection method disclosed in the embodiment of the present invention.The party
Method can apply to include the mobile terminal of application processor AP, touching display screen, fingerprint identification device and flaw detection sensor, refer to
The fingerprint recognition region of line identifying device is located at the first area of the touching display screen.As shown in figure 4, this method can include
Following steps：
401st, the mobile terminal builds fingerprint by the AP finger print datas obtained according to the fingerprint identification device
Image.
As an alternative embodiment, before fingerprint identification device collection finger print data, it is described mobile whole
End can control the touching display screen, detect user's finger be directed to the first area touch control operation when, notify institute
State the finger print data that fingerprint identification device gathers user.
402nd, the mobile terminal analyzes the fingerprint image by the AP, to determine whether deposited on the fingerprint image
In interference noise.
As an alternative embodiment, the fingerprint image that the mobile terminal is obtained this by the AP
Contrasted with more than one history fingerprint image, to determine in the fingerprint image and more than one history fingerprint image, be
It is no to there is interference noise in the same position relative to the fingerprint recognition region in the presence of at least two images.
403rd, in the case that the mobile terminal has the interference noise by the AP on the fingerprint image, lead to
Know that the flaw detection sensor is detected to the touching display screen.
As an alternative embodiment, in can determine whether the more than one fingerprint image that fingerprint identification device is obtained, being
Whether there is the interference vestige in the no same position relative to fingerprint recognition region, tentatively to judge the interference vestige by touching
Control the damage of display screen and cause.Fig. 1 D are referred to, Fig. 1 D list 3 fingerprint images, in 3 fingerprint images, in phase
There is identical for the same position at the edge (circle is the edge that represents fingerprint recognition region in figure) in fingerprint recognition region
Vestige is disturbed, therefore it may be speculated that the interference vestige derives from the damage of touching display screen.
404th, the mobile terminal detects the touching display screen by the flaw detection sensor, to determine that the touch-control shows
Whether display screen is damaged.
405th, the mobile terminal controls the flaw detection sensor in the case where the touching display screen damage is determined,
The AP is notified to carry out Denoising disposal to the fingerprint image.
406th, the mobile terminal carries out Denoising disposal by the AP to the fingerprint image.
As an alternative embodiment, when flaw detection sensor notifies that AP carries out denoising to fingerprint image, can be with
The shape information that the touching display screen is damaged is obtained, the shape information is sent to the AP.
AP can remove the interference noise of fingerprint image by operating as follows：The shape information pair sent according to flaw detection sensor
Interference noise on the fingerprint image carries out pattern-recognition, to determine the edge of the interference noise；Afterwards by the interference
Pixel point deletion in the edge area encompassed of noise, and filled out using the pixel of correspondence position in the fingerprint image prestored
Fill the region of the surrounded by edges.
As can be seen here, using the screen detection method described by Fig. 4, can early it be sent out by the analysis to fingerprint image
The damage of existing touching display screen；In addition, shape information (such as touching display screen table that can be damaged according to touching display screen
The slight crack shape of surface glass) to carry out noise removal process to fingerprint image, made an uproar so as to purposefully remove fingerprint image
Sound, improves recognition speed and the degree of accuracy of fingerprint image.
Referring to Fig. 5, Fig. 5 is a kind of structural representation of screen detection means 500 disclosed in the embodiment of the present invention.Screen
Detection means 500 can apply to include the shifting of application processor AP, touching display screen, fingerprint identification device and flaw detection sensor
Dynamic terminal, the fingerprint recognition region of the fingerprint identification device is located at the first area of the touching display screen.Wherein, the screen
Detection means 500 can include construction unit 510, the first determining unit 520, the determining unit 540 of notification unit 530 and second,
Wherein,
The construction unit 510, for being built by the AP finger print datas obtained according to the fingerprint identification device
Fingerprint image；
First determining unit 520, for analyzing the fingerprint image by the AP, to determine the fingerprint image
It is upper to whether there is interference noise；
The notification unit 530, for it there is the interference noise on the fingerprint image in the case of, by described
AP notifies the flaw detection sensor to detect the touching display screen；
Second determining unit 540, for detecting the touching display screen by the flaw detection sensor, to determine
State whether touching display screen damages.
As can be seen here, using the screen detection means described by Fig. 5, can early it be sent out by the analysis to fingerprint image
The damage of existing touching display screen, and then fingerprint image can be optimized according to the damaged condition of touching display screen.
Referring to Fig. 6, Fig. 6 is the structural representation of another mobile terminal 600 disclosed in the embodiment of the present invention.Such as Fig. 6
It is shown, for convenience of description, the part related to the embodiment of the present invention is illustrate only, particular technique details is not disclosed, please be joined
According to present invention method part.The terminal can be to include mobile phone, tablet personal computer, PDA (Personal Digital
Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), any mobile terminal such as vehicle-mounted computer,
So that mobile terminal is mobile phone as an example：
Fig. 6 is illustrated that the block diagram of the part-structure of the mobile phone related to mobile terminal provided in an embodiment of the present invention.Ginseng
Fig. 6 is examined, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 601, memory 602, input block 603, display unit
604th, sensor 605, voicefrequency circuit 606, Wireless Fidelity (wireless fidelity, WiFi) module 607, processor 608,
And the grade part of power supply 609.It will be understood by those skilled in the art that the handset structure shown in Fig. 6 is not constituted to mobile phone
Limit, can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 6：
RF circuits 601 can be used for receive and send messages or communication process in, the reception and transmission of signal, especially, by base station
After downlink information is received, handled to processor 608；In addition, being sent to base station by up data are designed.Generally, RF circuits 601
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 601 can also be communicated by radio communication with network and other equipment.
Above-mentioned radio communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memory 602 can be used for storage software program and module, and processor 608 is stored in memory 602 by operation
Software program and module, so as to perform various function application and the data processing of mobile phone.Memory 602 can mainly include
Storing program area and storage data field, wherein, the application journey that storing program area can be needed for storage program area, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can be stored uses what is created according to mobile phone
Data (such as voice data, phone directory etc.) etc..In addition, memory 602 can include high-speed random access memory, can be with
Including nonvolatile memory, for example, at least one disk memory, flush memory device or other volatile solid-states
Part.
Input block 603 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the relevant key signals input of function control.Specifically, input block 603 may include that contact panel 6031 and other inputs are set
Standby 6032.Contact panel 6031, also referred to as touch-screen, collecting touch operation of the user on or near it, (such as user makes
With the operation of any suitable object such as finger, stylus or annex on contact panel 6031 or near contact panel 6031),
And corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 6031 may include touch detecting apparatus
With two parts of touch controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects what touch operation was brought
Signal, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and it is changed
Into contact coordinate, then give processor 608, and the order sent of reception processing device 608 and can be performed.Furthermore, it is possible to adopt
Contact panel 6031 is realized with polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
6031, input block 603 can also include other input equipments 6032.Specifically, other input equipments 6032 can include but
It is not limited to one in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Plant or a variety of.
Display unit 604 can be used for the various of the information that is inputted by user of display or the information for being supplied to user and mobile phone
Menu.Display unit 604 may include display panel 6041, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 6041.Further, contact panel 6031 can cover display panel 6041, when contact panel 6031 is detected thereon
Or after neighbouring touch operation, processor 608 is sent to determine the type of touch event, with preprocessor 608 according to touch
The type of event provides corresponding visual output on display panel 6041.Although in figure 6, contact panel 6031 and display surface
Plate 6041 is input and the input function that mobile phone is realized as two independent parts, but in some embodiments it is possible to
By contact panel 6031 and the input that is integrated and realizing mobile phone of display panel 6041 and output function.
Mobile phone may also include at least one sensor 605, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 6041, proximity transducer can close display panel when mobile phone is moved in one's ear
6041 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (generally three axles) and add
The size of speed, can detect that size and the direction of gravity when static, application (the such as horizontal/vertical screen available for identification mobile phone posture
Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；As for mobile phone also
The other sensors such as configurable gyroscope, barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Voicefrequency circuit 606, loudspeaker 6061, microphone 6062 can provide the COBBAIF between user and mobile phone.Audio
Electric signal after the voice data received conversion can be transferred to loudspeaker 6061, is converted to by loudspeaker 6061 by circuit 606
Voice signal is exported；On the other hand, the voice signal of collection is converted to electric signal by microphone 6062, is connect by voicefrequency circuit 606
Be converted to voice data after receipts, then after voice data output processor 608 is handled, it is such as another to be sent to through RF circuits 601
One mobile phone, or voice data is exported to memory 602 so as to further processing.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses postal by WiFi module 607
Part, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 6 is shown
WiFi module 607, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, can not change as needed completely
Become in the essential scope of invention and omit.
Processor 608 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform and be stored in software program and/or module in memory 602, and call and be stored in memory 602
Data, perform the various functions and processing data of mobile phone, so as to carry out integral monitoring to mobile phone.Optionally, processor 608 can be wrapped
Include one or more processing units；It is preferred that, processor 608 can integrated application processor and modem processor, wherein, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 608.In embodiments of the present invention, locate
Reason device 608 can be used as application processor AP.
Mobile phone also includes the power supply 609 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 608 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
In previous embodiment, the structure realization that each step method flow can be based on the mobile terminal.Wherein application layer and
Operating system nucleus can be considered the part of the abstract structure of processor 608.The embodiment of the present invention also provides a kind of meter
Calculation machine storage medium, wherein, the computer-readable storage medium stores the computer program for electronic data interchange, the computer journey
Sequence causes computer to perform the part or all of step of any solution lock control method as described in above-mentioned embodiment of the method.
The embodiment of the present invention also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer-readable recording medium of machine program, the computer program is operable to make computer perform side as described above
The part or all of step of any solution lock control method described in method embodiment.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, involved action and module is not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In embodiment shown in 3~Fig. 4 of earlier figures, the structure realization that each step method flow can be based on the mobile phone.
In embodiment shown in earlier figures 5, the structure realization that each unit function can be based on the mobile phone.
, can be by another way in several embodiments provided herein, it should be understood that disclosed device
Realize.For example, device embodiment described above is only schematical, such as the division of described unit is only one kind
Division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of software program module is realized.
If the integrated unit is realized using in the form of software program module and as independent production marketing or used
When, it can be stored in a computer-readable access to memory.Based on it is such understand, technical scheme substantially or
Person say the part contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are to cause a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to the method and its core concept for helping to understand the present invention；
Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, in summary, this specification content should not be construed as limiting the invention.
Claims (18)
1. a kind of mobile terminal, including application processor AP, touching display screen, fingerprint identification device, it is characterised in that the shifting
Dynamic terminal also includes flaw detection sensor, and the fingerprint recognition region of the fingerprint identification device is located at the first of the touching display screen
Region, wherein,
The AP, is used for：The finger print data obtained according to the fingerprint identification device builds fingerprint image；Analyze the fingerprint image
Picture, to determine to whether there is interference noise on the fingerprint image；There is a situation where the interference noise on the fingerprint image
Under, notify the flaw detection sensor to detect the touching display screen；
The flaw detection sensor, for detecting the touching display screen, to determine whether the touching display screen damages.
2. mobile terminal according to claim 1, it is characterised in that
The flaw detection sensor, is additionally operable to, in the case where the touching display screen damage is determined, notify the AP to described
Fingerprint image carries out Denoising disposal；
The AP, is additionally operable to carry out Denoising disposal to the fingerprint image.
3. mobile terminal according to claim 2, it is characterised in that described to notify the AP to carry out the fingerprint image
In terms of Denoising disposal, the flaw detection sensor specifically for：
The shape information that the touching display screen is damaged is obtained, the shape information is sent to the AP；
It is described to the fingerprint image carry out Denoising disposal in terms of, the AP specifically for：
Pattern-recognition is carried out to the interference noise on the fingerprint image according to the shape information, to determine the interference noise
Edge；
By the pixel point deletion in the edge area encompassed of the interference noise, and utilize correspondence in the fingerprint image prestored
The pixel of position fills the region of the surrounded by edges.
4. the mobile terminal according to any one in claims 1 to 3, it is characterised in that the analysis fingerprint image
Picture, to determine on the fingerprint image with the presence or absence of in terms of interference noise, the AP specifically for：
The fingerprint image of this acquisition is contrasted with more than one history fingerprint image, to determine the fingerprint image
In more than one history fingerprint image, if there are at least two images in the identical bits relative to the fingerprint recognition region
Put and there is interference noise.
5. mobile terminal according to claim 4, it is characterised in that
The touching display screen, before fingerprint identification device collection finger print data, is directed to detecting user's finger
During the touch control operation of the first area, the fingerprint identification device is notified to gather the finger print data of user.
6. a kind of screen detection method, it is characterised in that applied to including application processor AP, touching display screen, fingerprint recognition
The mobile terminal of device and flaw detection sensor, the fingerprint recognition region of the fingerprint identification device is located at the touching display screen
First area, methods described includes：
The mobile terminal builds fingerprint image by the AP finger print datas obtained according to the fingerprint identification device；
The mobile terminal analyzes the fingerprint image by the AP, to determine to make an uproar with the presence or absence of interference on the fingerprint image
Sound；
In the case that the mobile terminal has the interference noise by the AP on the fingerprint image, the spy is notified
Hinder sensor to detect the touching display screen；
The mobile terminal detects the touching display screen by the flaw detection sensor, whether to determine the touching display screen
Damage.
7. method according to claim 6, it is characterised in that methods described also includes：
The mobile terminal controls the flaw detection sensor in the case where the touching display screen damage is determined, and notifies described
AP carries out Denoising disposal to the fingerprint image；
The mobile terminal carries out Denoising disposal by the AP to the fingerprint image.
8. method according to claim 7, it is characterised in that described to notify the AP to carry out denoising to the fingerprint image
Sonication, including：
The mobile terminal controls the flaw detection sensor to obtain the shape information that the touching display screen is damaged, by the shape
Information is sent to the AP；
It is described to the fingerprint image carry out Denoising disposal, including：
The mobile terminal enters row mode according to the shape information by the AP to the interference noise on the fingerprint image
Identification, to determine the edge of the interference noise；
The mobile terminal by the AP by the pixel point deletion in the edge area encompassed of the interference noise, and profit
The region of the surrounded by edges is filled with the pixel of correspondence position in the fingerprint image prestored.
9. the method according to any one in claim 6~8, it is characterised in that the analysis fingerprint image, with
Determine to whether there is interference noise on the fingerprint image, including：
The mobile terminal is carried out this described fingerprint image obtained with more than one history fingerprint image by the AP
Contrast, to determine in the fingerprint image and more than one history fingerprint image, if exist at least two images relative to
There is interference noise in the same position in the fingerprint recognition region.
10. method according to claim 9, it is characterised in that methods described also includes：
The mobile terminal controls the touching display screen before fingerprint identification device collection finger print data, is detecting
When user's finger is directed to the touch control operation of the first area, the fingerprint identification device is notified to gather the finger print data of user.
11. a kind of mobile terminal, it is characterised in that including：Application processor AP, touching display screen, fingerprint identification device, flaw detection
Sensor and memory；And one or more programs, wherein, the fingerprint recognition region of the fingerprint identification device is positioned at described
The first area of touching display screen；
One or more of programs are stored in the memory, and are configured to be performed by the AP, described program
Including the instruction for performing following steps；
Fingerprint image is built by the AP finger print datas obtained according to the fingerprint identification device；
The fingerprint image is analyzed by the AP, to determine to whether there is interference noise on the fingerprint image；
In the case of there is the interference noise on the fingerprint image by the AP, notify the flaw detection sensor to institute
Touching display screen is stated to be detected；
The touching display screen is detected by the flaw detection sensor, to determine whether the touching display screen damages.
12. mobile terminal according to claim 11, it is characterised in that described program also includes being used to perform following steps
Instruction；
Control the flaw detection sensor in the case where the touching display screen damage is determined, notify the AP to the fingerprint
Image carries out Denoising disposal；
Denoising disposal is carried out to the fingerprint image by the AP.
13. mobile terminal according to claim 12, it is characterised in that notify the AP to the fingerprint image described
In terms of carrying out Denoising disposal, the instruction in described program is specifically for performing following steps：
Control the flaw detection sensor to obtain the shape information that the touching display screen is damaged, the shape information is sent to institute
State AP；
In terms of the progress Denoising disposal to the fingerprint image, the instruction in described program is specifically for performing following walk
Suddenly：Pattern-recognition is carried out to the interference noise on the fingerprint image according to the shape information by the AP, to determine
State the edge of interference noise；By the AP by the pixel point deletion in the edge area encompassed of the interference noise, and
The region of the surrounded by edges is filled using the pixel of correspondence position in the fingerprint image prestored.
14. the mobile terminal according to any one in claim 11~13, it is characterised in that in the analysis finger
Print image, to determine that the instruction in described program is specifically for performing with the presence or absence of in terms of interference noise on the fingerprint image
Following steps：
This described fingerprint image obtained is contrasted with more than one history fingerprint image by the AP, to determine
State in fingerprint image and more than one history fingerprint image, if there are at least two images relative to the fingerprint identification area
There is interference noise in the same position in domain.
15. mobile terminal according to claim 14, it is characterised in that described program also includes being used to perform following steps
Instruction；
Control the touching display screen before fingerprint identification device collection finger print data, be directed to detecting user's finger
During the touch control operation of the first area, the fingerprint identification device is notified to gather the finger print data of user.
16. a kind of screen detection means, it is characterised in that applied to including application processor AP, touching display screen, fingerprint recognition
The mobile terminal of device and flaw detection sensor, the fingerprint recognition region of the fingerprint identification device is located at the touching display screen
First area, the screen detection means includes construction unit, the first determining unit, notification unit and the second determining unit, its
In,
The construction unit, for building fingerprint image by the AP finger print datas obtained according to the fingerprint identification device
Picture；
First determining unit, for analyzing the fingerprint image by the AP, with determine on the fingerprint image whether
There is interference noise；
The notification unit, for it there is the interference noise on the fingerprint image in the case of, is notified by the AP
The flaw detection sensor is detected to the touching display screen；
Second determining unit, for detecting the touching display screen by the flaw detection sensor, to determine the touch-control
Whether display screen damages.
17. a kind of computer-readable recording medium, it is characterised in that it stores the computer program for electronic data interchange,
Wherein, the computer program causes computer to perform the method as described in claim 6-10.
18. a kind of computer program product, it is characterised in that the computer program product includes storing computer program
Non-transient computer-readable recording medium, the computer program is operable to make computer perform such as claim 6-10
Method described in one.
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| CN110402442A (en) * | 2018-02-12 | 2019-11-01 | 华为技术有限公司 | A kind of fingerprint input method and terminal |
| CN112633194A (en) * | 2020-12-28 | 2021-04-09 | 广州绿怡信息科技有限公司 | Method and device for detecting fingerprint in screen |
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| CN107229544B (en) | 2020-06-02 |
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