CN106791017A - A kind of terminal and photographic method - Google Patents
A kind of terminal and photographic method Download PDFInfo
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- CN106791017A CN106791017A CN201611075166.5A CN201611075166A CN106791017A CN 106791017 A CN106791017 A CN 106791017A CN 201611075166 A CN201611075166 A CN 201611075166A CN 106791017 A CN106791017 A CN 106791017A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/52—Details of telephonic subscriber devices including functional features of a camera
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the invention discloses a kind of terminal.The terminal includes：Setting unit, determining unit and display unit.In shooting preview, setting unit is according to corresponding first frame per second of the camera of terminal parameter setting first and corresponding second frame per second of second camera of prestoring；Determining unit determines frame ratio according to the first frame per second and the second frame per second；Display unit obtains present preview image, and show present preview image according to frame ratio is gone out.In addition, the embodiment of the invention also discloses a kind of photographic method, when the first camera of using terminal carries out photographing operation with second camera, it is possible to increase preview image goes out figure rate, while reducing energy consumption.
Description
Technical field
The present invention relates to electronic technology, more particularly to a kind of terminal and photographic method.
Background technology
With continuing to develop for electronic technology, increasing terminal all has camera function, and a part of terminal is at this
The front or the back side of terminal are simultaneously equipped with two cameras, i.e., existing dual camera terminal.Configure the master of dual camera
Syllabus is in order to the apparent, depth of field of realizing taking pictures is taken pictures and the demand such as more preferably low light performance.In the prior art, it is double to take the photograph
As head terminal carries out photographing operation by the main camera with identical frame per second with secondary camera, wherein, frame per second shows for measurement
Measuring for frame number, represents the frame number in the unit interval.Dual camera terminal is sent to the synchronization of secondary camera using main camera
Signal, synchronously completes identical frame number, then by many of main camera such that it is able to the main camera of basic guarantee with secondary camera
Two field picture carries out matching and merges respectively with the multiple image of secondary camera, finally obtains a preview image.
Realize it is of the invention during, inventor find at least there are the following problems in the prior art：
When existing dual camera carries out shooting operation, by the multiframe figure of the multiple image of main camera and secondary camera
As carrying out respectively during matching merges and obtain live preview image, in secondary camera multiple image is with only
Part two field picture, is not using each two field picture in secondary camera multiple image, so as to reduce going out in shooting process
Figure rate, increased the electric quantity consumption in shooting process.
The content of the invention
In view of this, a kind of terminal and photographic method are the embodiment of the invention provides, according to the first camera corresponding
One frame per second and corresponding second frame per second of second camera are calculated and obtain out frame ratio, and by it is above-mentioned go out frame ratio determine it is corresponding same
Step signal trigger policy, obtains and shows present preview image finally according to frame ratio is gone out with synchronizing signal trigger policy, so that
When first camera of using terminal carries out photographing operation with second camera, it is possible to increase preview image goes out figure rate, while
Reduce energy consumption.
What the technical scheme of the embodiment of the present invention was realized in：
A kind of terminal is the embodiment of the invention provides, the terminal includes：
Setting unit, in shooting preview, according to corresponding first frame of the camera of terminal parameter setting first that prestores
Rate and corresponding second frame per second of second camera；
Determining unit, for according to first frame per second and second frame per second, determining frame ratio；
Display unit, for going out frame ratio according to, obtains present preview image, and show the present preview image.
Alternatively, the determining unit includes：
Computation subunit, for first frame per second to be carried out into ratio computing with second frame per second, calculates described
The frame per second ratio of one camera and the second camera；
Setting subelement, for by the frame per second ratio be set as it is described go out frame ratio.
Alternatively, the display unit includes：
Determination subelement, for going out frame ratio according to, determines synchronizing signal trigger policy；
Display subelement, for according to the synchronizing signal trigger policy, obtaining the present preview image, and show institute
State present preview image.
Alternatively, the determination subelement specifically for：
When first camera catch the first image sets when, according to it is described go out frame ratio by first camera triggering
Synchronizing signal is to the second camera；
According to the synchronizing signal, the second image sets are caught by the second camera.
Alternatively, it is described display subelement specifically for：
Described first image group is carried out into matching with second image sets to merge, the present preview image is formed, and
Show the present preview image.
The embodiment of the present invention also proposes a kind of photographic method, and methods described includes：
In shooting preview, according to corresponding first frame per second of the camera of terminal parameter setting first and the second shooting of prestoring
Corresponding second frame per second；
According to first frame per second and second frame per second, frame ratio is determined；
According to it is described go out frame ratio, obtain present preview image, and show the present preview image.
Alternatively, it is described according to first frame per second and second frame per second, frame ratio is determined, including：
First frame per second is carried out into ratio computing with second frame per second, first camera is calculated with described
The frame per second ratio of two cameras；
By the frame per second ratio be set as it is described go out frame ratio.
Alternatively, frame ratio is gone out described in the basis, present preview image is obtained, and shows the present preview image, wrapped
Include：
According to it is described go out frame ratio, determine synchronizing signal trigger policy；
According to the synchronizing signal trigger policy, the present preview image is obtained, and show the present preview image.
Alternatively, frame ratio is gone out described in the basis, synchronizing signal trigger policy is determined, including：
When first camera catch the first image sets when, according to it is described go out frame ratio by first camera triggering
Synchronizing signal is to the second camera；
According to the synchronizing signal, the second image sets are caught by the second camera.
Alternatively, it is described according to the synchronizing signal trigger policy, the present preview image is obtained, and show described working as
Preceding preview image, including：
Described first image group is carried out into matching with second image sets to merge, the present preview image is formed, and
Show the present preview image.
As can be seen here, in the technical scheme of the embodiment of the present invention, in shooting preview, according to the terminal parameter setting that prestores
Corresponding first frame per second of one camera and corresponding second frame per second of second camera；According to the first frame per second and the second frame per second, really
Make frame ratio；Finally according to frame ratio is gone out, present preview image is obtained, and show present preview image.Rather than as prior art
In, the first camera is with second camera according to identical frame per second capture images.As can be seen here, compared to the prior art, this hair
Terminal and photographic method that bright embodiment is proposed, it is corresponding according to corresponding first frame per second of the first camera and second camera
Second frame per second is calculated and obtains out frame ratio, and by it is above-mentioned go out frame ratio determine corresponding synchronizing signal trigger policy, finally according to going out
Frame ratio is obtained and shows present preview image with synchronizing signal trigger policy, so as in the first camera of using terminal and second
When camera carries out photographing operation, it is possible to increase preview image goes out figure rate, while reducing energy consumption；Also, implement simple
It is convenient, it is easy to popularization, the scope of application is wider.
Brief description of the drawings
Fig. 1 is a hardware architecture diagram for optional mobile terminal 1 00 for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal 1 00 as shown in Figure 1；
Fig. 3 is the first composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 4 is the second composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 5 is the 3rd composition structural representation of the terminal that the embodiment of the present invention is proposed；
Fig. 6 is that photographic method realizes schematic flow sheet in the embodiment of the present invention；
Fig. 7 be determine frame ratio method in the embodiment of the present invention realize schematic flow sheet；
Fig. 8 is to obtain preview image method in the embodiment of the present invention to realize schematic flow sheet；
Fig. 9 is to determine that synchronizing signal trigger policy method realizes schematic flow sheet in the embodiment of the present invention；
Figure 10 is the schematic diagram of generation preview image method in the embodiment of the present invention.
Specific embodiment
It should be appreciated that the technical scheme that the specific embodiments described herein are merely illustrative of the present invention, is not used to
Limit protection scope of the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
It is phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA), panel computer (PAD), portable
The mobile terminal of formula multimedia player (PMP), guider etc..
Fig. 1 is that the hardware configuration of the mobile terminal 1 00 for realizing each embodiment of the invention is illustrated, as shown in figure 1, mobile whole
End 100 can include：Wireless communication unit 110, user input unit 120, sensing unit 130, output unit 140, memory
150th, interface unit 160, controller 170 and power subsystem 180 etc..Fig. 1 shows the mobile terminal 1 00 with various assemblies,
It should be understood that being not required for implementing all components for showing.More or less component can alternatively be implemented.Will be
The element of mobile terminal 1 00 is described below in detail.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit 110 can include：It is mobile communication module 111, wireless interconnected
At least one of net module 112 and short range communication module 113.
Mobile communication module 111 send radio signals to base station (for example, access point, node B etc.), exterior terminal with
And at least one of server and/or receive from it radio signal.Such radio signal can include voice call
Signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 112 supports the Wi-Fi (Wireless Internet Access) of mobile terminal 1 00.Wireless Internet module 112 can
To be internally or externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by wireless Internet module 112 can include
WLAN (WLAN), Wireless Fidelity (Wi-Fi), WiMAX (Wibro), worldwide interoperability for microwave accesses
(Wimax), high-speed downlink packet access (HSDPA) etc..
Short range communication module 113 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMDeng.
User input unit 120 can generate key input data to control mobile terminal 1 00 according to the order of user input
Various operations.User input unit 120 allow the various types of information of user input, and can include keyboard, metal dome,
Touch pad (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar
Deng.Especially, when touch pad is superimposed upon on display unit 141 in the form of layer, touch-screen can be formed.
Sensing unit 130 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate the behaviour for controlling mobile terminal 1 00
The order of work or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 130 can sense this
Sliding-type phone is opened or closed.In addition, sensing unit 130 can detect power subsystem 180 whether provide electric power or
Whether interface unit 160 couples with external device (ED).
Interface unit 160 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port (typical case is general-purpose serial bus USB port), the dress for connecting with identification module
Port, audio input/output (I/O) port, video i/o port, ear port for putting etc..
Interface unit 160 can be used for receiving the input (for example, data message, electric power etc.) from external device (ED) and inciting somebody to action
One or more elements that the input for receiving is transferred in mobile terminal 1 00 can be used in mobile terminal 1 00 and outer
Data are transmitted between part device.
In addition, when mobile terminal 1 00 is connected with external base, interface unit 160 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal 1 00.Be can serve as from the various command signals or electric power of base input mobile whole for recognizing
Whether end 100 is accurately fitted within the signal on base.
Output unit 140 is configured to provide output signal (for example, audio is believed with vision, audio and/or tactile manner
Number, vision signal, alarm signal, vibration signal etc.).Output unit 140 can include display unit 141 and dio Output Modules
142 etc..
Display unit 141 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 141 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 be in video calling pattern or
During person's image capture mode, display unit 141 can show the image of capture and/or the image of reception, show video or image
And the UI or GUI of correlation function etc..
Meanwhile, when display unit 141 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
141 can serve as input unit and output device.Display unit 141 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least one
Kind.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent aobvious
Show device, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..Wanted according to specific
Implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, it is mobile eventually
End 100 can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 142 can be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
It is that wireless communication unit 110 is received or in memory 150 when under formula, speech recognition mode, broadcast reception mode isotype
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 142 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.Sound
Frequency output module 142 can be including loudspeaker, buzzer etc..
Memory 150 can store software program for the treatment and control operation performed by controller 170 etc., or can be with
Temporarily store the data (for example, telephone directory, message, still image, video etc.) that exported or will export.And, deposit
Reservoir 150 can store vibration and the data of audio signal of the various modes on being exported when touching and being applied to touch-screen.
Memory 150 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access memory
(SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory 150 with by network connection
Store function network storage device cooperation.
The overall operation of the generally control mobile terminal 1 00 of controller 170.For example, controller 170 perform with voice call,
The related control and treatment such as data communication, video calling.In addition, controller 170 can be included for reproducing or playing back many matchmakers
The multi-media module 171 of volume data, multi-media module 171 can be constructed in controller 170, or can be structured as and control
Device 170 is separated.Controller 170 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 180 receives external power or internal power under the control of controller 170 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 170.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 150 and performed by controller 170.
So far, mobile terminal 1 00 is described according to its function.Below, for the sake of brevity, description is such as folded
Slide type mobile terminal in various types of mobile terminal 1s 00 of type, board-type, oscillating-type, slide type mobile terminal 100 etc.
100 as an example.Therefore, the present invention can be applied to any kind of mobile terminal 1 00, and be not limited to sliding-type movement eventually
End 100.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal 1 00 wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, below
Description be related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If any one in the interface that back haul link can be known according to Ganji is constructed, the interface include such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
It is multiple cellular stations.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of specific BS270 receptions is reverse
Link signal is processed in specific BS270.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call money
Source distribution and the mobile management function of the coordination including the soft switching process between BS270.The data that BSC275 will also be received
MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
The mobile communication module 112 of wireless communication unit 110 is based on the built-in access movement of mobile terminal in mobile terminal
The necessary data (including customer identification information and authentication information) of communication network (such as 2G/3G/4G mobile communications networks) is accessed
Mobile communications network is the business transmission mobile data (bag such as the web page browsing of mobile terminal user, network multimedia broadcasting
Include up mobile data and descending mobile data).
The wireless Internet module 113 of wireless communication unit 110 by run the related protocol function of hotspot and reality
The function of existing hotspot, hotspot supports that multiple mobile terminals (any mobile terminal outside mobile terminal) are accessed, and leads to
The webpage that the mobile communication crossed between multiplexing mobile communication module 112 and mobile communications network is connected as mobile terminal user is clear
Look at, the business transmission mobile data such as network multimedia is played (including up mobile data and descending movement it is logical
Letter data), because mobile terminal is substantially the mobile communication connection transmission movement between multiplexing mobile terminal and communication network
Communication data, therefore the flow of the mobile data of mobile terminal consumption counts movement by the charging entity of communication network side
The post and telecommunication tariff of terminal, so as to consume the data flow of the mobile data that the mobile terminal post and telecommunication tariff that uses of signing includes
Amount.
Based on the hardware configuration of above-mentioned mobile terminal 1 00 and communication system, the inventive method each embodiment is proposed.
Embodiment one
Fig. 3 is the first composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 3, the present invention is implemented
The terminal of example includes：Setting unit 301, determining unit 302 and display unit 303.With reference to each reality of the above-mentioned realization present invention
The hardware architecture diagram for applying the mobile terminal 1 00 of example and the mobile terminal 1 00 of realizing each embodiment of the invention it is wireless
Communication system schematic diagram understands that the setting unit 301, determining unit 302 and display in embodiment of the present invention proposition terminal are single
Unit 303 can be realized in the form of program code by the computing device corresponding function in mobile terminal；Certainly can also lead to
Specific logic circuit is crossed to realize；During specific embodiment, processor can be central processing unit (CPU), microprocessor
Device (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
The terminal that the embodiment of the present invention is proposed includes：Setting unit 301, determining unit 302 and display unit 303.Its
In,
Setting unit 301, in shooting preview, according to the camera of terminal parameter setting first corresponding first that prestores
Frame per second and corresponding second frame per second of second camera.
In a particular embodiment of the present invention, in shooting preview, setting unit 301 can be according to the terminal for prestoring
Corresponding first frame per second of first camera of parameter setting terminal, and terminal corresponding second frame per second of second camera.Its
In, above-mentioned terminal refers to simultaneously equipped with two terminals of camera, for example, Dual-camera handset, double at front or the back side
The terminals such as camera digital camera.
Preferably, in a particular embodiment of the present invention, the first camera of terminal can based on camera, meanwhile, eventually
The second camera at end can be secondary camera, and further, specific embodiment of the invention does not limit the first camera and the
The form and type of two camera.
Further, in specific embodiment of the invention, the first frame per second and the second camera of the camera of terminal first
Second frame per second is differed, and the first frame per second and the ratio of the second frame per second are a rational, and this is taken the photograph by the first of terminal
As head and the performance decision of second camera.For example, the frame per second of the camera of terminal first is 30 frames/per second, second camera
Frame per second be that 15 frames/per second, i.e. the first frame per second of the terminal are 30 frames/per second, the second frame per second is 15 frames/per second.
Determining unit 302, for according to the first frame per second and the second frame per second, determining frame ratio.
In a particular embodiment of the present invention, determining unit 302 can be according to first frame per second and second of the first camera
Second frame per second of camera, determine the first camera and second camera goes out frame ratio.
Fig. 4 is the second composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 4, determining unit 302
Including：Computation subunit 3021 and setting subelement 3022, wherein,
Computation subunit 3021, for the first frame per second and the second frame per second to be carried out into ratio computing, calculates the first camera
With the frame per second ratio of second camera.
In a particular embodiment of the present invention, computation subunit 3021 can be carried out by by the first frame per second with the second frame per second
Ratio computing, calculates the frame per second ratio of the first camera and second camera, i.e. corresponding first frame per second of the first camera and the
The ratio of corresponding second frame per second of two cameras.For example, when corresponding first frame per second of the first camera is 30 frames/per second, and the
When corresponding second frame per second of two cameras is 15 frames/per second, then computation subunit 3021 can calculate the first camera and the
The frame per second ratio of two cameras is 2.
Setting subelement 3022, for being set as frame per second ratio to go out frame ratio.
In a particular embodiment of the present invention, setting subelement 3022 can be by the first camera and the frame of second camera
Rate goes out frame ratio than be set as the first camera and second camera.For example, when the first camera and the frame per second of second camera
Than for 2 when, it is 2 to set subelement 3022 and can set the frame ratio that of the first camera and second camera.
Further, in a particular embodiment of the present invention, due to going out frame than representing the first camera in setting time
The ratio of the frame number of capture images and the frame number of second camera capture images, i.e., when frame per second ratio is 2, the first shooting of terminal
While head often captures 2 two field picture, second camera captures 1 two field picture.
Display unit 303, for according to frame ratio is gone out, obtaining present preview image, and show present preview image.
In a particular embodiment of the present invention, display unit 303 can going out according to the first camera and second camera
Frame is shown the preview image than obtaining the present preview image of terminal.
Fig. 5 is the 3rd composition structural representation of the terminal that the embodiment of the present invention is proposed, as shown in figure 5, display unit 303
Including：Determination subelement 3031 and display subelement 3032, wherein,
Determination subelement 3031, for according to frame ratio is gone out, determining synchronizing signal trigger policy.
In a particular embodiment of the present invention, determination subelement 3031 can first according to the first camera and second camera
Go out frame than determine terminal synchronizing signal trigger policy.Wherein, the synchronizing signal trigger policy of terminal is and the first camera
Determined than the frame ratio that goes out of a kind of corresponding trigger policy, i.e. the first camera and second camera with the frame that goes out of second camera
When a synchronizing signal sends depending on the image of first camera capture frame number and the image of second camera capture and
Framing number.
In a particular embodiment of the present invention, further, the frame that goes out according to the first camera and second camera compares true
Determining the synchronizing signal trigger policy method of terminal can be：When the first camera catches the first image sets, according to going out, frame ratio is logical
Cross the first camera and trigger synchronizing signal to second camera；Then according to synchronizing signal, second is caught by second camera
Image sets.Wherein, the ratio of the number of image frames in the first image sets and the second image sets is the first camera and second camera
Go out frame ratio, that is to say, that the frame that goes out according to the first camera and second camera triggers plan than determining the synchronizing signal of terminal
Slightly be exactly according to it is above-mentioned go out frame than determining the second image that the first image sets and second camera that the first camera catches catch
The number of image frames of group.If for example, the frame ratio that goes out of the first camera and second camera is 2, when the first camera catches 2 frames
During image, synchronizing signal to second camera is triggered by the first camera according to frame ratio is gone out；Then according to synchronizing signal, pass through
Second camera catches 1 two field picture.
It should be noted that in a particular embodiment of the present invention, terminal is triggered according to frame ratio is gone out by the first camera
Synchronizing signal is very short to the time of second camera, can be ignored, that is, think that the first camera catches the first image sets
Catch the second image sets with second camera is carried out simultaneously.
Display subelement 3032, for according to synchronizing signal trigger policy, obtaining present preview image, and shows current pre-
Look at image.
In a particular embodiment of the present invention, display subelement 3032 can according to correspond to frame than synchronizing signal touch
Hair strategy, obtains the present preview image of terminal, and shows present preview image.
In a particular embodiment of the present invention, further, the first image sets are caught in the first camera, meanwhile, second
After camera catches the second image sets, display subelement 3032 can be taken the photograph the first image sets that the first camera catches with second
As the second image sets that head catches carry out matching fusion, the present preview image of terminal is formed, and show the present preview image.
If for example, the first camera is 1.5 with the frame ratio that goes out of second camera, 3 two field pictures are caught in the first camera, meanwhile,
After second camera catches 2 two field pictures, 3 two field pictures and the second shooting that display subelement 3032 can catch the first camera
2 two field pictures that head catches carry out matching fusion, form the present preview image of terminal, and show the present preview image.
Further, in a particular embodiment of the present invention, display subelement 3032 can be by various methods to first
The second image sets that the first image sets that camera catches catch with second camera carry out matching and merge, for example, display is single
The first image sets and the second camera that unit 3032 can catch according to wavelet algorithm matching the first camera of fusion catch the
One image sets.
Setting unit provided in an embodiment of the present invention 301, determining unit 302 and display unit 303 can be with programs
The form of code by the computing device corresponding function in mobile terminal by being realized；Certainly also can be by specific logic electricity
Realize on road；During specific embodiment, processor can be central processing unit (CPU), microprocessor (MPU), numeral letter
Number processor (DSP) or field programmable gate array (FPGA) etc..
The terminal that the embodiment of the present invention is proposed, in shooting preview, according to the camera pair of terminal parameter setting first that prestores
Corresponding second frame per second of the first frame per second and second camera answered；According to the first frame per second and the second frame per second, frame ratio is determined；Most
Afterwards according to frame ratio is gone out, present preview image is obtained, and show present preview image.Rather than as in the prior art, first images
Head is with second camera according to identical frame per second capture images.As can be seen here, compared to the prior art, the embodiment of the present invention is proposed
Terminal, calculated according to corresponding first frame per second of the first camera and corresponding second frame per second of second camera and obtain out frame
Than, and by it is above-mentioned go out frame ratio determine corresponding synchronizing signal trigger policy, trigger plan finally according to frame ratio and synchronizing signal is gone out
Present preview image is slightly obtained and shows, so as to carry out photographing operation in the first camera of using terminal and second camera
When, it is possible to increase preview image goes out figure rate, while reducing energy consumption；Also, implement it is simple and convenient, be easy to popularization, be applicable
Scope is wider.
Embodiment two
Based on embodiment one, Fig. 6 is that photographic method realizes schematic flow sheet in the embodiment of the present invention, as shown in fig. 6, clapping
According to method may comprise steps of：
Step 101, in shooting preview, according to prestore corresponding first frame per second of the camera of terminal parameter setting first and
Corresponding second frame per second of second camera.
In a particular embodiment of the present invention, in shooting preview, terminal can set according to the terminal parameter for prestoring
Put corresponding first frame per second of the first camera of terminal, and terminal corresponding second frame per second of second camera.Wherein, it is above-mentioned
Terminal refers to simultaneously equipped with two terminals of camera, for example, Dual-camera handset, dual camera number in front or the back side
The terminals such as code-phase machine.
Further, in specific embodiment of the invention, the first frame per second and the second camera of the camera of terminal first
Second frame per second is differed, and the first frame per second and the ratio of the second frame per second are an integer, and this is by the first shooting of terminal
Head is determined with the performance of second camera.For example, the frame per second of the camera of terminal first is 30 frames/per second, second camera
Frame per second is that 15 frames/per second, i.e. the first frame per second of the terminal are 30 frames/per second, and the second frame per second is 15 frames/per second.
Step 102, according to the first frame per second and the second frame per second, determine frame ratio.
In a particular embodiment of the present invention, terminal can be according to the first frame per second of the first camera and second camera
Second frame per second, determine the first camera and second camera goes out frame ratio.
Step 103, basis go out frame ratio, obtain present preview image, and show present preview image.
In a particular embodiment of the present invention, terminal can be obtained according to the frame ratio that goes out of the first camera and second camera
The present preview image of terminal, and the preview image is shown.Wherein, terminal can be by display by the previewing photos
Shown.
Preferably, in a particular embodiment of the present invention, the first camera of terminal can based on camera, meanwhile, eventually
The second camera at end can be secondary camera, and further, specific embodiment of the invention does not limit the first camera and the
The form and type of two camera.
Embodiment three
Fig. 7 be determine frame ratio method in the embodiment of the present invention realize schematic flow sheet, as shown in fig. 7, according to first
Frame per second and the second frame per second, determine frame than method may comprise steps of：
Step 102a, the first frame per second and the second frame per second are carried out into ratio computing, calculate the first camera and imaged with second
The frame per second ratio of head.
In a particular embodiment of the present invention, terminal can carry out ratio computing by by the first frame per second and the second frame per second,
Calculate the frame per second ratio of the first camera and second camera, i.e. corresponding first frame per second of the first camera and second camera pair
The ratio of the second frame per second answered.For example, when corresponding first frame per second of the first camera is 30 frames/per second, and second camera pair
When the second frame per second answered is 15 frames/per second, then it is 2 that terminal can calculate the first camera with the frame per second ratio of second camera.
Step 102b, frame per second ratio is set as frame ratio.
In a particular embodiment of the present invention, with the frame per second ratio of second camera can be set as the first camera by terminal
First camera goes out frame ratio with second camera.For example, when the frame per second ratio of the first camera and second camera is 2, eventually
It is 2 that end can set the first camera with the frame ratio that goes out of second camera.
Further, in a particular embodiment of the present invention, due to going out frame than representing the first camera in setting time
The ratio of the frame number of capture images and the frame number of second camera capture images, i.e., when frame per second ratio is 2, the first shooting of terminal
While head often captures 2 two field picture, second camera captures 1 two field picture.
Preferably, in a particular embodiment of the present invention, the first camera of terminal can based on camera, meanwhile, eventually
The second camera at end can be secondary camera, and further, specific embodiment of the invention does not limit the first camera and the
The form and type of two camera.
It can be seen from the description above, by above-mentioned step 102a~102b, terminal can be by the first frame per second and second
Frame per second carries out ratio computing, after calculating the frame per second ratio of the first camera and second camera, frame per second ratio is set as frame ratio,
So that it is determined that the first camera and second camera go out frame ratio.
Example IV
Fig. 8 is to obtain preview image method in the embodiment of the present invention to realize schematic flow sheet, as shown in figure 8, according to going out
Frame ratio, obtains present preview image, and show that the method for present preview image may comprise steps of：
Step 103a, basis go out frame ratio, determine synchronizing signal trigger policy.
In a particular embodiment of the present invention, the frame that goes out that terminal can be first according to the first camera and second camera compares true
Determine the synchronizing signal trigger policy of terminal.Wherein, the synchronizing signal trigger policy of terminal is imaged with the first camera and second
The frame that goes out of head is determined at one together than the frame ratio that goes out of a kind of corresponding trigger policy, i.e. the first camera and second camera
Frame number depending on the image that frame number and second camera are captured depending on the image of the first camera capture when step signal sends.
Step 103b, according to synchronizing signal trigger policy, obtain present preview image, and show present preview image.
In a particular embodiment of the present invention, terminal can according to correspond to frame than synchronizing signal trigger policy, obtain
The present preview image of terminal is taken, and shows present preview image.Wherein, terminal can show current preview figure by display
Picture.
Preferably, in a particular embodiment of the present invention, the first camera of terminal can based on camera, meanwhile, eventually
The second camera at end can be secondary camera, and further, specific embodiment of the invention does not limit the first camera and the
The form and type of two camera.
It can be seen from the description above, by above-mentioned step 103a~103b, terminal is according to going out frame ratio, it is determined that synchronous letter
Number trigger policy, then according to synchronizing signal trigger policy, obtains present preview image, and show present preview image.
Embodiment five
Fig. 9 is to determine that synchronizing signal trigger policy method realizes schematic flow sheet in the embodiment of the present invention, such as Fig. 9 institutes
Show, according to frame ratio is gone out, determine that the method for synchronizing signal trigger policy may comprise steps of：
Step 103a-1, when the first camera catch the first image sets when, according to go out frame ratio by the first camera triggering
Synchronizing signal is to second camera.
Step 103b-2, according to synchronizing signal, the second image sets are caught by second camera.
In a particular embodiment of the present invention, frame is gone out than determining the same of terminal according to the first camera and second camera
Walking signal trigger policy method can be：When the first camera catches the first image sets, imaged by first according to frame ratio is gone out
Head triggers synchronizing signal to second camera；Then according to synchronizing signal, the second image sets are caught by second camera.Its
In, the ratio of the number of image frames in the first image sets and the second image sets is the first camera and second camera goes out frame ratio,
That is, the frame that goes out according to the first camera and second camera is exactly basis than the synchronizing signal trigger policy of determination terminal
It is above-mentioned go out frame than determining the picture frame of the second image sets that the first image sets and second camera that the first camera catches catch
Number.For example, if the frame ratio that goes out of the first camera and second camera is 2, when the first camera catches 2 two field picture, root
Synchronizing signal to second camera is triggered by the first camera according to frame ratio is gone out；Then according to synchronizing signal, by the second shooting
Head catches 1 two field picture.
It should be noted that in a particular embodiment of the present invention, terminal is triggered according to frame ratio is gone out by the first camera
Synchronizing signal is very short to the time of second camera, can be ignored, that is, think that the first camera catches the first image sets
Catch the second image sets with second camera is carried out simultaneously.
It can be seen from the description above, by above-mentioned step 103a-1~103b-2, when the first camera catches first
During image sets, synchronizing signal is triggered to second camera by the first camera according to frame ratio is gone out, according to synchronizing signal, by the
Two cameras catch the second image sets.So as to according to frame ratio is gone out, determine synchronizing signal trigger policy.
In a particular embodiment of the present invention, further, the first image sets are caught in the first camera, meanwhile, second
After camera catches the second image sets, the first image sets that terminal can catch the first camera catch with second camera
Second image sets carry out matching fusion, form the present preview image of terminal, and show the present preview image.If for example,
First camera is 1.5 with the frame ratio that goes out of second camera, then catch 3 two field pictures in the first camera, meanwhile, second camera
After catching 2 two field pictures, terminal can be carried out 2 two field pictures that 3 two field pictures that the first camera catches catch with second camera
Matching fusion, forms the present preview image of terminal, and shows the present preview image.
Further, in a particular embodiment of the present invention, terminal can be caught by various methods to the first camera
The second image sets for being caught with second camera of the first image sets carry out matching and merge, for example, terminal can be calculated according to small echo
The first image sets that the first image sets that method matching the first camera of fusion catches catch with second camera.
Preferably, in a particular embodiment of the present invention, the first camera of terminal can based on camera, meanwhile, eventually
The second camera at end can be secondary camera, and further, specific embodiment of the invention does not limit the first camera and the
The form and type of two camera.
Figure 10 is the schematic diagram of generation preview image method in the embodiment of the present invention.When the first camera and second camera
Go out frame ratio for 3 when, the first camera catches 3 two field pictures, that is, after catching the first image sets, can trigger same by the first camera
Step signal, then according to synchronizing signal, 1 two field picture is caught by second camera to second camera, that is, catch the second image
Group.As shown in Figure 10, due to shake, the influence of the not equal various factors of exposure, in the first image sets and the second image sets
Image there are many species diversity, the first image sets that terminal can catch the first camera caught with second camera second
Image sets carry out matching fusion, form the present preview image of terminal.
The photographic method that the embodiment of the present invention is proposed, in shooting preview, according to prestoring, terminal parameter setting first is imaged
Corresponding first frame per second and corresponding second frame per second of second camera；According to the first frame per second and the second frame per second, frame is determined
Than；Finally according to frame ratio is gone out, present preview image is obtained, and show present preview image.Rather than picture in the prior art, first
Camera is with second camera according to identical frame per second capture images.As can be seen here, compared to the prior art, the embodiment of the present invention
The photographic method of proposition, calculates and obtains according to corresponding first frame per second of the first camera and corresponding second frame per second of second camera
Draw frame ratio, and by it is above-mentioned go out frame ratio determine corresponding synchronizing signal trigger policy, finally according to going out frame ratio and synchronizing signal
Trigger policy is obtained and shows present preview image, so as to the first camera in using terminal is taken pictures with second camera
During operation, it is possible to increase preview image goes out figure rate, while reducing energy consumption；Also, implement it is simple and convenient, be easy to popularization,
The scope of application is wider.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots
Structure or characteristic can be combined in one or more embodiments in any suitable manner.It should be understood that in various implementations of the invention
In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its work(
Can determine with internal logic, the implementation process without tackling the embodiment of the present invention constitutes any restriction.The embodiments of the present invention
Sequence number is for illustration only, and the quality of embodiment is not represented.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can be by it
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, can have other dividing mode, such as when actually realizing：Multiple units or component can be combined, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Coupling point each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs of equipment or unit by some interfaces
Or communication connection, can be electrical, machinery or other forms.
The above-mentioned unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location；Both a place had been may be located at, it is also possible to be distributed to multiple network lists
In unit；Part or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
Being each unit individually as a unit, it is also possible to which two or more units are integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, the step of including above method embodiment is performed；And foregoing storage medium includes：Movable storage device, read-only deposit
Reservoir (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.
Or, if the above-mentioned integrated unit of the present invention is to realize in the form of software function module and as independent product
When selling or using, it is also possible to which storage is in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The part that the technical scheme of example substantially contributes to prior art in other words can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are used to so that computer equipment (can be with
It is personal computer, server or network equipment etc.) perform all or part of each embodiment methods described of the invention.
And foregoing storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of terminal, it is characterised in that the terminal includes：
Setting unit, in shooting preview, according to prestore corresponding first frame per second of the camera of terminal parameter setting first with
And corresponding second frame per second of second camera；
Determining unit, for according to first frame per second and second frame per second, determining frame ratio；
Display unit, for going out frame ratio according to, obtains present preview image, and show the present preview image.
2. terminal according to claim 1, it is characterised in that the determining unit includes：
Computation subunit, for first frame per second to be carried out into ratio computing with second frame per second, calculates described first and takes the photograph
As head and the frame per second ratio of the second camera；
Setting subelement, for by the frame per second ratio be set as it is described go out frame ratio.
3. terminal according to claim 1, it is characterised in that the display unit includes：
Determination subelement, for going out frame ratio according to, determines synchronizing signal trigger policy；
Display subelement, for according to the synchronizing signal trigger policy, obtaining the present preview image, and shows described working as
Preceding preview image.
4. terminal according to claim 3, it is characterised in that the determination subelement specifically for：
When first camera catches the first image sets, according to it is described go out frame ratio trigger synchronous by first camera
Signal is to the second camera；
According to the synchronizing signal, the second image sets are caught by the second camera.
5. terminal according to claim 4, it is characterised in that the display subelement specifically for：
Described first image group is carried out into matching with second image sets to merge, the present preview image is formed, and show
The present preview image.
6. a kind of photographic method, it is characterised in that methods described includes：
In shooting preview, according to corresponding first frame per second of the camera of terminal parameter setting first and the second camera pair of prestoring
The second frame per second answered；
According to first frame per second and second frame per second, frame ratio is determined；
According to it is described go out frame ratio, obtain present preview image, and show the present preview image.
7. method according to claim 6, it is characterised in that described according to first frame per second and second frame per second,
Frame ratio is determined, including：
First frame per second is carried out into ratio computing with second frame per second, first camera is calculated and is taken the photograph with described second
As the frame per second ratio of head；
By the frame per second ratio be set as it is described go out frame ratio.
8. method according to claim 6, it is characterised in that go out frame ratio described in the basis, obtains present preview image,
And the present preview image is shown, including：
According to it is described go out frame ratio, determine synchronizing signal trigger policy；
According to the synchronizing signal trigger policy, the present preview image is obtained, and show the present preview image.
9. method according to claim 8, it is characterised in that go out frame ratio described in the basis, determines that synchronizing signal is triggered
Strategy, including：
When first camera catches the first image sets, according to it is described go out frame ratio trigger synchronous by first camera
Signal is to the second camera；
According to the synchronizing signal, the second image sets are caught by the second camera.
10. method according to claim 9, it is characterised in that described according to the synchronizing signal trigger policy, obtains institute
Present preview image is stated, and shows the present preview image, including：
Described first image group is carried out into matching with second image sets to merge, the present preview image is formed, and show
The present preview image.
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| CN201611075166.5A CN106791017A (en) | 2016-11-29 | 2016-11-29 | A kind of terminal and photographic method |
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| CN109803087A (en) * | 2018-12-17 | 2019-05-24 | 维沃移动通信有限公司 | A kind of image generating method and terminal device |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |