CN107040715A - The method of automatic closing camera a kind of and apply its mobile terminal - Google Patents
The method of automatic closing camera a kind of and apply its mobile terminal Download PDFInfo
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- CN107040715A CN107040715A CN201611263843.6A CN201611263843A CN107040715A CN 107040715 A CN107040715 A CN 107040715A CN 201611263843 A CN201611263843 A CN 201611263843A CN 107040715 A CN107040715 A CN 107040715A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The method of automatic closing camera provided in an embodiment of the present invention a kind of and apply its mobile terminal, the method for the automatic closing camera, applied to mobile terminal, it is characterised in that including：Timing while camera is unlocked；The image that detection camera is photographed；Judge whether the image detected in the first preset time is continuously white screen or blank screen；If the determination result is YES, camera is closed.The method and mobile terminal of automatic closing camera of the present invention, mobile terminal by judging whether camera as lasting white screen or blank screen confirms the camera whether as false triggering automatically, when finding that camera is false triggering, mobile terminal closes camera automatically, it is to avoid the waste of electricity.
Description
Technical field
The present invention relates to moving communicating field, more particularly to a kind of automatic closing camera method and apply its shifting
Dynamic terminal.
Background technology
Camera function is the necessary functions of mobile terminal, is imaged for convenience, and existing camera function start key is typically located
In the position easily touched, camera function can also can be started by the operation of some simple and fasts.But this design, often
Camera function can be opened in the case of user is ignorant or casual.Following feelings are typically occurred by false triggering for camera
Condition：1st, the image before camera continues white screen (referring generally to close to light source, by the situation of strong illumination)；2nd, the shadow before camera
Image persistence blank screen (camera is blocked thing stop, is such as placed in pocket, to be placed on desktop first-class)；3rd, after camera is opened
For a long time without any operation.And existing mobile terminal does not have camera automatic closing function, if camera is false triggering
It is not found in time and closes camera function, the waste of mobile terminal electricity can be caused, some mobile phones images greatest service in operation
When (can especially record a video), or even the receiving sensitivity of mobile terminal can be influenceed, influence the use of user.
The content of the invention
The embodiments of the invention provide a kind of method of automatic closing camera and using its mobile terminal, it can overcome
The defect that camera can not be closed automatically after false triggering in the prior art.
On the one hand, the method for a kind of automatic closing camera provided in an embodiment of the present invention, applied to mobile terminal, its
It is characterised by, including：
Timing while camera is unlocked；
The image that detection camera is photographed；
Judge whether the image detected in the first preset time is continuously white screen or blank screen；
If the determination result is YES, camera is closed.
On the other hand, the embodiments of the invention provide a kind of mobile terminal, including camera, it is characterised in that the shifting
Dynamic terminal also includes：
Timer, for timing while camera is unlocked；
Detection module, for detecting the image that camera is photographed；
First judge module, the image for judging to detect in the first preset time whether be continuously white screen or
Blank screen.
Closedown module, for when the judged result of the first judge module is to be, closing camera.
The method and mobile terminal of automatic closing camera provided in an embodiment of the present invention, by judging camera automatically
Whether it is lasting white screen or blank screen to confirm whether camera is false triggering, the mobile terminal when finding that camera is false triggering
It is automatic close camera, it is to avoid the waste of electricity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
The accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method for the automatic closing camera that the embodiment of the present invention one is provided；
Fig. 2 judges that the image detected in the first preset time is described in step S13 in the embodiment of the present invention one
The no schematic flow sheet for being continuously white screen or blank screen；
Fig. 3 be in the embodiment of the present invention one step S132 judge per pictures whether be white screen or blank screen flow signal
Figure；
Fig. 4 is the schematic flow sheet of the method for the automatic closing camera that the embodiment of the present invention two is provided；
Fig. 5 is the structural representation for the mobile terminal that the embodiment of the present invention three is provided.
Fig. 6 is the structural representation for the mobile terminal that the embodiment of the present invention four is provided.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment one：
Fig. 1 to Fig. 3 is refer to, Fig. 1 is the schematic flow sheet of the method for the automatic closing camera that the present embodiment is provided；
Fig. 2 judges whether the image detected in the first preset time is continuously described in step S13 in the embodiment of the present invention one
The schematic flow sheet of white screen or blank screen；Fig. 3 be in the embodiment of the present invention one step S132 judge per pictures whether be white screen or
The schematic flow sheet of blank screen.
A kind of method of automatic closing camera is present embodiments provided, applied to mobile terminal, it is characterised in that bag
Include：
Step S11 timing while camera is unlocked,
Wherein, the camera is front camera or rear camera, starts meter while camera is unlocked
When, it is easy to whether be judged camera by false triggering after camera persistently opens certain time；
The image that step S12 detection cameras are photographed,
Wherein, the image is that mobile terminal camera when being not received by the operational order of user obtains it automatically
Image, the image taken by camera reflects the ambient condition residing for camera, under certain ambient condition, can sentence
Break is camera by false triggering；
Step S13 judges whether the image detected in the first preset time is continuously white screen or blank screen；
When camera is close to light source, by strong illumination, the picture of acquisition is largely white, and such picture can be determined
For white screen, when camera, which is blocked thing, to be stopped, the picture of acquisition is largely black, and such picture can be set to blank screen, if
White screen or blank screen are continuously before camera, that is, illustrates camera and is constantly within a certain period of time in the state of unfavorable shooting,
Can determine whether camera is false triggering.
Step S14 if the determination result is YES, closes camera.
Closing camera in this step is mobile terminal automatic execution instruction.The instruction can be off soft using shooting
Part, or to close screen display while application shooting software is closed.
Judge whether the image detected in the first preset time is continuously white screen described in step S13 described above
Or blank screen, it is specially：
Step S131 repeatedly obtains image in the first preset time, forms multiple pictures；
Wherein, obtaining the time of image can randomly choose or timing setting, and multiple pictures of acquisition can react camera institute
The ambient condition at place, with the presence or absence of change, to be able adequately determines the ambient condition residing for camera, is obtained in the first preset time
The image taken can be stored in a temporary storage cell.Such as, the camera automatic seizure every 2 seconds in 8 seconds can be set
Current image is obtained, 5 pictures are formed.
Step S132 judges whether per pictures be white screen or blank screen；
White screen picture or blank screen picture are acquired, represents that camera is in a kind of ambient condition for being unfavorable for shooting
In, it is also the common picture that camera is got after false triggering, judges per pictures whether be white screen or blank screen, to ensure
To the accuracy of the judgement of camera local environment state.
The white screen percentage or blank screen picture number that step S133 calculating white screen picture numbers account for whole picture numbers are accounted for entirely
The blank screen percentage of portion's picture number；
Calculating white screen percentage or blank screen percentage can be as judging in the first preset time, and white screen or blank screen are held
The foundation of continuous time length；
Step S134 judges the image to continue white screen when the numerical value of white screen percentage is more than the first preset value；
Step S135 judges the image to continue blank screen when the numerical value of blank screen percentage is more than the first preset value.
Such as, when the number of white screen picture exceedes total picture 75%, it is white to continue to be determined as the image before camera
Screen；When the number of blank screen picture exceedes total picture 75%, it is to continue blank screen to be determined as the image before camera.
Whether it is white screen or blank screen that step S132 described above is judged per pictures, is specially：
The picture segmentation of acquisition is several pixels by step S1321, obtains the RGB values of each pixel,
It is that some pixels are compared and can more accurately judge whether picture is white screen or blank screen by the picture segmentation,
The method of segmentation can be unified size segmentation or random size segmentation, and the pixel of segmentation is bigger, and the result of judgement is more reliable.Than
Such as, each picture can be averagely divided into 104~106Individual pixel, obtains the rgb value of each pixel；Wherein RGB=(255,
255,255) it is white pixel, RGB=(0,0,0) is black picture element；
Step S1322 calculates the white pixel percentage or black picture element number that white pixel number accounts for total number of pixels
Account for the black picture element percentage of total number of pixels；
Step S1323 is determined as white screen picture when white pixel percentage is more than the second preset value；
Step S1324 is determined as blank screen picture when black picture element percentage is more than the second preset value.
Such as, when white pixel number exceedes total number of pixels 90%, it is determined as white screen picture；When black picture element
When number exceedes total number of pixels 90%, it is determined as blank screen picture.
The method of automatic closing camera provided in an embodiment of the present invention, mobile terminal by judge camera whether as
Continue white screen or blank screen to confirm whether camera is false triggering, when finding that camera is false triggering, mobile terminal is closed automatically
Close camera, it is to avoid the waste of mobile terminal electricity, also reduce influence of the camera function to signal receiving sensitivity.
Embodiment two：
Fig. 4 is refer to, Fig. 4 is the schematic flow sheet of the method for the automatic closing camera that the present embodiment is provided.
As a kind of preference of embodiment one, a kind of method of automatic closing camera is present embodiments provided, is wrapped
Include：
Step S41 timing while camera is unlocked,
The image that step S42 detection cameras are photographed,
Step S43 judges whether the image detected in the first preset time is continuously white screen or blank screen；
Step S44 if the determination result is YES, closes camera；
Step S45 judges that user whether is received in the second preset time to be operated to camera,
It is determined that after image before camera and non-continuous white screen or blank screen, continuing not receive by calculating camera
The time of user's operation judges whether whether camera stopped using camera by false triggering or judgement user.Such as,
Second preset time can be set to 40 seconds；
The operation may include physical button triggering command, and touch gestures operational order, speech trigger instruction, fingerprint is touched
Send instructions and press at least one of triggering command.Specifically, the mode that above-mentioned instruction is triggered can be one or many
Individual physical button triggering, the triggering of key press time interval mode, touch-screen single-point or multipoint operation are triggered, infrared sensor is triggered,
Acceleration transducer triggering, gyro sensor are triggered, temperature sensor is triggered, fingerprint recognition is triggered, voice recognition is triggered,
Gesture identification is triggered or image recognition is triggered etc..
Step S46 if so, carry out reclocking after the activation；
Camera have received user operation represent camera be not present false triggering possibility, timer reclocking with
Judge whether user has stopped using camera；
Step S47 is if it is not, close camera.
Closing camera in this step is mobile terminal automatic execution instruction.The instruction can be off soft using shooting
Part, or to close screen display while application shooting software is closed.
The automatic method for closing camera described in the present embodiment, without user's operation instruction, mobile terminal is in camera quilt
Closed automatically after false triggering, method is easy and effective, save the energy.
Embodiment three：
It refer to Fig. 5, the structural representation for the mobile terminal that Fig. 5 provides for the present embodiment.
The mobile terminal 500 that the present embodiment is provided, including camera 501, it is characterised in that the mobile terminal 500 is also
Including：
Timer 502, for timing while camera 501 is unlocked；
Detection module 503, for detecting the image that camera 501 is photographed；
First judge module 504, for judging whether the image detected in the first preset time is continuously white screen
Or blank screen.
Closedown module 505, for when the judged result of the first judge module 504 is to be, closing camera 501.
Detection module 503 described above includes：
Acquisition submodule 5031, in the first preset time, repeatedly obtaining image, forms multiple pictures；
Judging submodule 5032, for judging whether every pictures are white screen or blank screen；
Calculating sub module 5033, the white screen percentage or blank screen of whole picture numbers are accounted for for calculating white screen picture number
Picture number accounts for the blank screen percentage of whole picture numbers.
Decision sub-module 5034, the numerical value of the white screen percentage for calculating when calculating sub module 5033 is pre- more than first
If during value, judging the image to continue white screen；Or the numerical value of the blank screen percentage calculated when calculating sub module 5033 is more than the
During one preset value, judge the image to continue blank screen.
Judging submodule 5032 described above includes：
Subelement 50321 is obtained, for the image picture to be divided into several pixels, each pixel is obtained
Rgb value；
Computation subunit 50322, the white pixel percentage or black of total number of pixels is accounted for for calculating white pixel number
Color pixel number accounts for the black picture element percentage of total number of pixels；
Subelement 50323 is judged, when the white pixel percentage that the computation subunit 50322 is calculated is pre- more than second
If during value, being determined as white screen picture；Or when the black picture element percentage that the computation subunit 50322 is calculated is pre- more than second
If during value, being determined as blank screen picture.
Mobile terminal 500 described above also includes：
Second judge module 506, for judging that user whether is received in the second preset time to be carried out to camera 501
Operation；
The timer 502 is additionally operable to, when second judge module 506 is judged as YES, carry out again after the activation
Timing；
The closedown module 505 is additionally operable to when second judge module 506 is judged as NO, and closes camera 501.
Camera 501 described above includes at least one of front camera 5011 and rear camera 5012.
Mobile terminal 500 provided in an embodiment of the present invention, can be closed automatically when camera 501 is by false triggering, it is to avoid
The waste of the electricity of mobile terminal 500, convenient use.
Example IV：
Fig. 6 is refer to, is the structural representation of the mobile terminal of the offer of the present embodiment, the mobile terminal 600 includes：
At least one processor 601, memory 602, take pictures component 603 and user interface 604.Each component in mobile terminal 600
It is coupled by bus system 605.It is understood that bus system 605 is used to realize the connection communication between these components.
Bus system 605 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal bus in addition.But in order to
For the sake of clear explanation, various buses are all designated as bus system 605 in Figure 5.
Wherein, user interface 604 can include display or pointing device (such as touch-sensitive plate or touch-screen).
It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or non-volatile memories
Device, or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage
(Read-OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), erasable programmable are only
Read memory (ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static random-access
Memory (StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), synchronous dynamic random-access
Memory (SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM
(DoubleDataRate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM,
ESDRAM), synchronized links dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus are deposited at random
Access to memory (DirectRambusRAM, DRRAM).The memory 602 of system and method described herein is intended to include but not
It is limited to the memory of these and any other suitable type.
In some embodiments, memory 602 stores following element, and subscriber identification card number can perform
Module either data structure or their subset, or their superset：Operating system 6021 and application program 6022.
Wherein, operating system 6021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 6022, includes various application programs, such as matchmaker
Body player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented
The program of example method may be embodied in application program 6022.
In embodiments of the present invention, by calling program or the instruction of the storage of memory 602, specifically, can be application
The program stored in program 6022 or instruction.Wherein, processor 601 is used to obtaining take pictures that component 603 automatically snaps multiple
Image picture, the image that detection camera is photographed；Judge whether the image detected in the first preset time is continuously
White screen or blank screen.The method that the embodiments of the present invention are disclosed can apply in processor 601, or real by processor 601
It is existing.Processor 601 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method
Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 601 or software form.
Above-mentioned processor 601 can be general processor, digital signal processor
(DigitalSignalProcessor, DSP), application specific integrated circuit (ApplicationSpecific
IntegratedCircuit ASIC), ready-made programmable gate array (FieldProgrammableGateArray, FPGA) or
Person other PLDs, discrete gate or transistor logic, discrete hardware components.It can realize or perform
Disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be microprocessor or this at
It can also be any conventional processor etc. to manage device.The step of method with reference to disclosed in the embodiment of the present invention, can direct body
Completion now is performed for hardware decoding processor, or completion is performed with the hardware in decoding processor and software module combination.It is soft
Part module can be located at random access memory, flash memory, read-only storage, programmable read only memory or electrically erasable programmable
In the ripe storage medium in this areas such as memory, register.The storage medium is located at memory 602, and processor 601 is read
Information in memory 602, the step of completing the above method with reference to its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or
It combines to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), FPGA are set
Standby (ProgrammableLogicDevice, PLD), field programmable gate array (Field-
ProgrammableGateArray, FPGA), general processor, controller, microcontroller, microprocessor, for performing this Shen
Please the function other electronic units or its combination in.
Realize, can be realized by performing the module (such as process, function) of function described herein herein for software
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realized outside processor.
Specifically, processor 601 is additionally operable to：In the first preset time, image is repeatedly obtained, multiple pictures are formed；Sentence
Whether disconnected be white screen or blank screen per pictures；Calculate white screen percentage or blank screen that white screen picture number accounts for whole picture numbers
Picture number accounts for the blank screen percentage of whole picture numbers.
Further, processor 601 is additionally operable to：It is several pixels by the picture segmentation of acquisition, obtains each pixel
Rgb value；The white pixel percentage or black picture element number that calculating white pixel number accounts for total number of pixels account for total pixel
Several black picture element percentage.
Alternatively, as another embodiment, the processor 601 is additionally operable to：Judge whether connect in the second preset time
User is received to operate camera.
Mobile terminal 600 described in the present embodiment, can automatic decision camera 601 whether by false triggering, when judging shooting
Head can be closed automatically during false triggering, it is to avoid the waste of the electricity of mobile terminal 600, convenient use.
It can be mobile phone, tablet personal computer, personal digital assistant (Personal that described mobile terminal 600, which can be,
Digital Assistant, PDA) or vehicle-mounted computer etc..
It is apparent to those skilled in the art that, for convenience and simplicity of description, only with above-mentioned each function
The division progress of module is for example, in practical application, as needed can distribute above-mentioned functions by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of work(described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, may be referred to corresponding in preceding method embodiment
Journey, will not be repeated here.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of method of automatic closing camera, applied to mobile terminal, it is characterised in that including：
Timing while camera is unlocked；
The image that detection camera is photographed；
Judge whether the image detected in the first preset time is continuously white screen or blank screen；
If the determination result is YES, camera is closed.
2. according to the method described in claim 1, it is characterised in that the shadow for judging to detect in the first preset time
Seem it is no be continuously white screen or blank screen, be specially：
In the first preset time, image is repeatedly obtained, multiple pictures are formed；
Judge whether per pictures be white screen or blank screen；
The white screen percentage or blank screen picture number that calculating white screen picture number accounts for whole picture numbers account for whole picture numbers
Blank screen percentage；
When the numerical value of white screen percentage is more than the first preset value, judge the image to continue white screen；Or
When the numerical value of blank screen percentage is more than the first preset value, judge the image to continue blank screen.
3. method according to claim 2, it is characterised in that whether the judgement is white screen or blank screen, tool per pictures
Body is：
It is several pixels by the picture segmentation of acquisition, obtains the rgb value of each pixel；
The white pixel percentage or black picture element number that calculating white pixel number accounts for total number of pixels account for total number of pixels
Black picture element percentage；
When white pixel percentage is more than the second preset value, it is determined as white screen picture；
When black picture element percentage is more than the second preset value, it is determined as blank screen picture.
4. according to the method described in claim 1, it is characterised in that methods described also includes：
Judge that user whether is received in the second preset time to be operated to camera；
If so, carrying out reclocking after the activation；
If it is not, closing camera.
5. the method according to claim 1 or 4, it is characterised in that the camera is front camera or rearmounted shooting
Head.
6. a kind of mobile terminal, including camera, it is characterised in that the mobile terminal also includes：
Timer, for timing while camera is unlocked；
Detection module, for detecting the image that camera is photographed；
First judge module, for judging whether the image detected in the first preset time is continuously white screen or blank screen.
Closedown module, for when the judged result of the first judge module is to be, closing camera.
7. mobile terminal according to claim 6, it is characterised in that the detection module includes：
Acquisition submodule, in the first preset time, repeatedly obtaining image, forms multiple pictures；
Judging submodule, for judging whether every pictures are white screen or blank screen；
Calculating sub module, the white screen percentage or blank screen picture number that whole picture numbers are accounted for for calculating white screen picture number is accounted for
The blank screen percentage of whole picture numbers.
Decision sub-module, for when the numerical value for the white screen percentage that calculating sub module is calculated is more than the first preset value, judging institute
It is to continue white screen to state image；Or when the numerical value for the blank screen percentage that calculating sub module is calculated is more than the first preset value, judge institute
It is to continue blank screen to state image.
8. mobile terminal according to claim 7, it is characterised in that the judging submodule includes：
Subelement is obtained, for the image picture to be divided into several pixels, the rgb value of each pixel is obtained；
Computation subunit, the white pixel percentage or black picture element number of total number of pixels are accounted for for calculating white pixel number
Account for the black picture element percentage of total number of pixels；
Judge subelement, when the white pixel percentage that the computation subunit is calculated is more than the second preset value, be determined as white
Shield picture；Or when the black picture element percentage that the computation subunit is calculated is more than the second preset value, it is determined as blank screen picture.
9. mobile terminal according to claim 8, it is characterised in that the mobile terminal also includes：
Second judge module, for judging that user whether is received in the second preset time to be operated to camera；
The timer is additionally operable to, when second judge module is judged as YES, reclocking be carried out after the activation；
The closedown module is additionally operable to when second judge module is judged as NO, and closes camera.
10. the mobile terminal according to claim 6 or 9, it is characterised in that the camera includes front camera with after
Put at least one of camera.
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