CN106937056A - The focusing process method of dual camera, focusing process device and mobile terminal - Google Patents
The focusing process method of dual camera, focusing process device and mobile terminal Download PDFInfo
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- CN106937056A CN106937056A CN201710205479.6A CN201710205479A CN106937056A CN 106937056 A CN106937056 A CN 106937056A CN 201710205479 A CN201710205479 A CN 201710205479A CN 106937056 A CN106937056 A CN 106937056A
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- focusing
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- mobile terminal
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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
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
Focusing process method, focusing process device and mobile terminal the invention discloses a kind of dual camera.The focusing process method a, it is adaptable to mobile terminal, the mobile terminal includes the first camera and second camera.The focusing process method is comprised the following steps：When the focusing expansion operation that user is triggered is received, the focusing triggered according to the user expands operation determination focusing object, focusing starting point and terminal；Control first camera to obtain the first image of the object and control the second camera to obtain the second image of multiple different focals of object, wherein, the focal length of described first image corresponds to the focusing starting point, and the focal length of every 1 second image corresponds to from the focusing starting point to the certain point between the focusing terminal；And described first image is merged into the preview image of the object with the second image of multiple different focals.In this way, user can be allowed to adjust the focusing range of photograph subject as needed, user is helped to photograph more satisfaction and high-quality photo, there is provided the experience of user.
Description
Technical field
The present invention relates to the processing technology field of taking pictures of mobile terminal, more particularly to a kind of focusing process side of dual camera
Method, device and mobile terminal.
Background technology
Currently in order to help user get become apparent from, photo true to nature and three-dimensional, increasing mobile terminal is such as
Smart mobile phone, panel computer, personal digital assistant (Personal Digital Assistant；PDA such as back side of the same side)
Dual camera module can be equipped with.Wherein, this dual camera module be mainly designed to include a shooting head mould for wide-angle
Group (also referred to as main camera module) and the camera module of focal length (also referred to as secondary camera module) composition, therefore
This, the mobile terminal for being equipped with this dual camera can realize focus function.Its realize focusing principle be：Open camera
Afterwards, while into wide-angle camera and focal length camera, user's preview is supplied after the picture of two cameras is synthesized.
However, under the auto-focusing and virtualization function of dual camera, when object range of focusing is larger, auto-focusing is only
Can focus to the part of object, so as to the edge for causing focusing object is blurred too early so that same in captured photo out
It is clearly and elsewhere fuzzy that some places of one object are, causes whole photo undesirable, influences the use of user
Experience.
Therefore, it is necessary to a kind of focusing method and device that can be enlarged to the focusing area of photograph subject is provided, with
Solve the above problems, allow user to photograph preferable photo.
The content of the invention
Focusing process method, device and mobile terminal it is a primary object of the present invention to propose a kind of dual camera, purport
User by adjusting focusing area, can allowed to adjust the focusing range of photograph subject as needed, helping user to photograph more
Satisfied and high-quality photo, there is provided the experience of user.
To achieve the above object, the focusing process method of a kind of dual camera that the present invention is provided, it is adaptable to which a movement is eventually
End, the mobile terminal includes the first camera and second camera.The focusing process method is comprised the following steps：
When the focusing expansion operation that user is triggered is received, the focusing triggered according to the user expands operation determination
Focusing object, focusing starting point and terminal；
Control first camera to obtain the first image of the object and control the second camera acquisition described
Second image of object multiple different focals, wherein, the focal length of described first image corresponds to the focusing starting point, every 1 second
The focal length of image corresponds to from the focusing starting point to the certain point between the focusing terminal；And
Described first image is merged into the preview image of the object with the second image of multiple different focals.
Further, " control first camera is obtained described in the first image and the control of the object step
Second camera obtains the second image of multiple different focals of object " specifically include：
The depth information of scene of focusing object is got using binocular platform or depth transducer；
Object images in described first image and second image and described are determined according to the depth information
The background image of object；And
Described first image is entered with second image according to the identified object images and the background image
Row dividing processing is with the image-region of the object after being split.
Further, described first image " is merged into institute by the step with the second image of multiple different focals
State the preview image of object " specifically include：
The image-region of the object after by segmentation carries out contrast enhancement processing and synthesizes the preview graph of the object
Picture.
Further, in step " when the focus operation that user is triggered is received, according to the focusing that the user triggers
Operation determines focusing object and focusing starting point, terminal " also include step before：
Judge first camera with the second camera whether in focusing preview state of taking pictures；
When first camera and the second camera enter takes pictures focusing preview state, further determine whether
Receive the focus operation of user's triggering.
Further, when user is in first camera and the second camera takes pictures focusing preview state
When the object for obtaining is applied with length by operation, judge that user is applied with focus operation to the object.
A kind of focusing process device of twin-lens provided by the present invention, runs on mobile terminal, the mobile terminal bag
The first camera and second camera are included, the focusing process device includes：
Determining module, for the focusing triggered according to the user when the focusing expansion operation that user is triggered is received
Expand operation and determine focusing object, focusing starting point and terminal；
Image collection module, for controlling first camera to obtain the first image of the object and controlling described the
Two cameras obtain the second image of multiple different focals of object, wherein, the focal length of described first image is corresponding to described
Focusing starting point, the focal length of every 1 second image corresponds to from the focusing starting point to the certain point between the focusing terminal；With
And
Merging module, for described first image to be merged into the object with the second image of multiple different focals
Preview image.
It is further, described that " control first camera obtains the first image and the control described second of the object
Camera obtains the second image of multiple different focals of object " specifically include：
The depth information of scene of focusing object is got using binocular platform or depth transducer；
Object images in described first image and second image and described are determined according to the depth information
The background image of object；And
Described first image is entered with second image according to the identified object images and the background image
Row dividing processing is with the image-region of the object after being split.
Further, described first image " is merged into institute by the step with the second image of multiple different focals
State the preview image of object " specifically include：
The image-region of the object after by segmentation carries out contrast enhancement processing and synthesizes the preview graph of the object
Picture.
Further, described " when the focus operation that user is triggered is received, according to the focusing that the user triggers
Operation determines focusing object and focusing starting point, terminal " also include step before：
Judge first camera with the second camera whether in focusing preview state of taking pictures；
When first camera and the second camera enter takes pictures focusing preview state, further determine whether
Receive the focus operation of user's triggering.
Further, when user is in first camera and the second camera takes pictures focusing preview state
When the object for obtaining is applied with length by operation, judge that user is applied with focus operation to the object.
Compared to prior art, focusing process system and focusing process method proposed by the invention can allow user very
It is convenient with efficiently know current focusing range where region, and can further object described in preview in the focusing model
Interior image is enclosed, further the image of the object to be judged for example judge this time focalize in order to user and whether closed
Fit and whether the photo of the preview state is satisfied with.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the schematic diagram of the functional module of the focusing process system in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the functional module of the focusing process system in another implementation method of the invention；
The step of Fig. 5 is the focusing process method in an embodiment of the present invention flow chart；
Fig. 6 is the further details of flow charts of step S303 in Fig. 5；
The step of Fig. 7 is the focusing process method in an embodiment of the present invention flow chart；
To will referring to the drawings be done into one in conjunction with the embodiments for the realization of the object of the invention, functional characteristics and advantage below
Step explanation.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit 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 ".
Furthermore, it is necessary to explanation, herein, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, article or device including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or device
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or device including the key element.
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
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 can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words 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 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 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 honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include camera head
121 and microphone 122, camera head 121 pairs is obtained in Video Capture pattern or image capture mode by image capture apparatus
Static images or the view data of video processed.Picture frame after treatment may be displayed on display unit 151.Through taking the photograph
As the picture frame after the treatment of device 121 can be stored in memory 160 (or other storage mediums) or via radio communication
Unit 110 is transmitted, and can provide two or more camera heads 121 according to the construction of mobile terminal.Microphone 122 can be with
In telephone calling model, logging mode, speech recognition mode etc. operational mode sound (audio number is received via microphone
According to), and can be voice data by such acoustic processing.Audio (voice) data after treatment can be in telephone relation mould
The form that being converted in the case of formula can be sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can
With the process implemented various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send audio signal
The noise of middle generation or interference.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 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 for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 can will be combined below including proximity transducer 1410
Touch-screen is described to this.
Interface unit 170 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, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 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.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 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 151 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 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 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
It is a kind of.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
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal 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 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 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.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 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 storage
Device (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 with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180, or can be structured as and control
Device processed 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 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 180.
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 160 and performed by controller 180.
So far, oneself according to its function through describing mobile terminal.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Need special instruction when, it is of the invention in an embodiment of the present invention, the A/V input blocks 120 are wrapped
The camera head 121 for obtaining image information for including includes one first camera 1210 and a second camera 1211.It is described
First camera 1210 and second camera 1211 can according on the same side such as the back side of the mobile terminal 1 00, or
For example described first camera 1210 is forward-mounted and described second on the not ipsilateral of the mobile terminal 1 00
Camera 1211 is installed overleaf.Further, first camera 1210 can be wide-angle camera, second shooting
First 1211 can be focal length camera, be not particularly limited herein.
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 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, under
The description in face is 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 includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC2750 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.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
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 the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to 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.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
Fig. 3 is referred to, its functional module for illustrating the focusing process system 200 in first embodiment of the invention
Schematic diagram.The focusing process system 200 includes, but not limited to a judge module 210, a determining module 220, an image and obtains
Module 230, a synthesis module 240 and a display module 250.It should be noted that the module alleged by the present invention is a kind of energy
It is performed by the controller 180 of the mobile terminal 1 00 and some programmed instruction sections of specific function can be completed.Below
The concrete function of above-mentioned functions module will be described in further detail.
The judge module 210 is used to judge whether to receive the focusing expansion request that user is triggered.
In one embodiment, the judge module 210 by judge user whether to the first camera 1210 (also known as master
Camera) the focus marks symbol at image preview interface that obtains is applied with default operation and sentences by operation or amplifieroperation as long
It is disconnected whether to receive the focusing expansion request.Wherein, length focus marks as described in operation refers to user's pressing or touch-control
The time of symbol is more than preset value such as 5 seconds or 10 seconds etc..The amplifieroperation refers to that user is rectified to Jiao or icon of focusing is applied
The drag operation opposite slide of such as two fingers of an amplification is added.The focus marks symbol includes, but does not limit, and focuses
Frame or focusing icon etc..
Specifically, the focusing frame at the image pickup preview interface obtained to first camera 1210 as user or focusing icon
When being applied with default operation, the judge module 210 judges to receive the request that focusing expands.Conversely, when user is not to institute
It is described to sentence when the focusing frame or focusing icon for stating the image pickup preview interface of the acquisition of the first camera 1210 are applied with default operation
Disconnected module 210 judges not receiving the request that focusing expands.
In another embodiment, the judge module 210 is expanded by judging whether user triggers default focusing
Control button or icon judge whether that receiving the focusing expands request.Expand control when user has pressed default focusing
Button clicks default focusing expanded view timestamp, and the judge module 210 judges to receive the request that focusing expands.Phase
Instead, it is described when user has not pressed default focusing to be expanded control button or do not clicked on default focusing expanded view timestamp
Judge module 210 judges not receiving the request that focusing expands.The click can be double-clicked or click, and not be limited herein.
In another embodiment, the judge module 210 is additionally operable to judge first camera 1210 and/or described
Whether second camera 1211 is in preview state of taking pictures.When first camera 1210 and/or the second camera
1211 in take pictures preview state when, judge module 210 receives the focusing that user triggered and expands further judging between right and wrong
Big request.
Certainly, for the ease of the concrete function of differentiation judge module 210, Fig. 4 is referred to, in another specific reality of the invention
In existing mode, the judge module 210 is divided into the first judging submodule 211 and with the second judging submodule 212.Its
In, first judging submodule 211 is used to judge whether are first camera 1210 and/or the second camera 1211
In preview state of taking pictures.Second judging submodule 212 is used to judge between right and wrong and receives the focusing expansion request that user is triggered.
Second judging submodule 212 judges to receive the judge module during focusing expands the detailed process and first embodiment of request
210 is identical, will not be repeated here.
When the judge module 210 judges to receive the focusing that user triggered expands request, the determining module
The 220 responses focusing expands request and determines focusing object, focusing starting point and terminal.In the present embodiment, the determination mould
Block 220 determines focusing object, focusing starting point and focusing terminal according to the operation that user's triggering focusing expands request.In this hair
In a bright specific implementation, when the triggering focusing expand the operation of request for it is long by operation when, the determination mould
Block 220 determines the focusing object and focusing starting point and is determined according to the duration by operation long according to the length by the position of operation
Focusing terminal.Wherein, it is minimum value that the focusing starting point corresponds to focal length, and the focal length corresponding to the focusing terminal is maximum
Value.
When user is applied with the operation that the focusing expands to a special object, observes the object for the ease of user and work as
Preceding focusing range, the determining module 220 can by specific mode for example using different colors by focus starting point and
Terminal shows.
Described image acquisition module 230 control first camera 1210 obtain it is described focusing object the first image and
The second camera 1211 is controlled to obtain the second image of multiple different focals of object.
In the present embodiment, the focal length of described first image corresponds to the focusing starting point of the focusing object, and each
The focal length of the second image corresponds to from the focusing starting point to a certain focus between the focusing terminal.That is, described image is obtained
Modulus block 230 controls the second camera 1211 at interval of the default time 1S or 2S are sequentially obtained from being focused except as described in
Point outside focusing to it is described focusing terminal the focusing object multiple second images.
The merging module 240 is used to for described first image to be merged into institute with the second image of multiple different focals
State the preview image of object.
The display module 250 is used to show the preview image of the object synthesized by the merging module 240.
In this way, by focusing process system 200 provided by the present invention user can be allowed very convenient and efficiently known working as
Region where preceding focusing range, and can further image of the object in the focusing range described in preview, in order to
User further the image of the object is judged for example judge this time focalize whether the suitable and preview state
Photo whether be satisfied with.
Fig. 4 is referred to, the functional module it illustrates focusing process system 200 in second embodiment of the invention is shown
It is intended to.The focusing process system 200 includes, but not limited to a judge module 210, a determining module 220, an image and obtains mould
The synthesis module 240 of block 230 and.Wherein, the judge module 210 includes that one first judging submodule 211 and one second judges
Submodule 212.The image collection module 230 include a scene depth acquisition module 231, an object background determination module 232 with
And one segmentation module 233.
It should be noted that the module alleged by the present invention is a kind of to be held by the controller 180 of the mobile terminal 1 00
Row and some programmed instruction sections of specific function can be completed.The concrete function of above-mentioned functions module will be done into one below
The detailed description of step.Additionally, in this second embodiment, submodule is judged on first judging submodule 211,1 second
Block 212, the concrete function of determining module 220 are identical with the equal modules in first embodiment, will not be described here.
The scene depth acquisition module 231 is used to be got using binocular platform or depth transducer the field of focusing object
Scape depth information.In embodiments of the present invention, first camera 1210 and second camera 1211 are all equipped with one
Depth transducer or the mobile terminal 1 00 are provided with a pair of head platform.The depth transducer is to utilize actively to launch red
Outer light reflects to obtain the range information of scene in the scene.
The object background determination module 232 is used for the depth got according to the scene depth acquisition module 231
Degree information determines the background image of the object images and the object in described first image and second image.
It is described segmentation module 233 be used for according to determined by the object background determination module 220 object images and
The background image carries out dividing processing with the object after being split to described first image and second image
Image-region.
Accordingly, the image district of the object that the synthesis module 240 is obtained after being split by the segmentation module 233
Domain carries out contrast enhancement processing and synthesizes the preview image of the object.
So, the focusing process system that second embodiment of the invention is provided can be according to the depth information of scene of focusing object
To determine object images and background image, and corresponding object diagram is got in the second image from the first accessed image
Picture, and accessed object images are merged into the preview image of the object in the focus process.
Fig. 5 is referred to, it illustrates flow chart the step of focusing process method in first embodiment of the invention.The method
The function of being realized can realize that certain program code can by the caller code of controller 180 in mobile terminal 1 00
In being stored in computer-readable storage medium such as memory 160.As can be seen here, the mobile terminal 1 00 at least includes the He of controller 180
Memory 160.Additionally, in the present embodiment, according to specific circumstances, the execution sequence of step can in the flow chart shown in Fig. 5
To change, some steps can be omitted.
Step S301, the judge module 210 judges between right and wrong and receives the focusing expansion request that user is triggered.If so,
Then perform step S302；If it is not, then return to step S301.
In one embodiment, the step S301 is specially：Whether the judge module 210 is by judging user to
The focus marks symbol at the image preview interface that one camera 1210 (also known as main camera) is obtained is applied with default operation such as length
By operation or amplifieroperation.Wherein, the time that length focus marks as described in operation refers to user's pressing or touch-control are accorded with is more than
One preset value such as 5 seconds or 10 seconds etc..The amplifieroperation refers to that user rectifies to Jiao or icon of focusing is applied with an amplification
The drag operation opposite slide of such as two fingers.The focus marks symbol includes, but does not limit, focus frame or focusing icon
Deng.
Specifically, the focusing frame at the image pickup preview interface obtained to first camera 1210 as user or focusing icon
When being applied with default operation, the judge module 210 judges to receive the request that focusing expands.Conversely, when user is not to institute
It is described to sentence when the focusing frame or focusing icon for stating the image pickup preview interface of the acquisition of the first camera 1210 are applied with default operation
Disconnected module 210 judges not receiving the request that focusing expands.
In another embodiment, the step S301 is specially：The judge module 210 judges whether user triggers
Default focusing expands control button or icon.When user has pressed default focusing expansion control button or clicks default
Focusing expanded view timestamp, the judge module 210 judges to receive the request that focusing expands.Conversely, when user has not pressed pre-
If focusing expand control button or do not clicked on it is default focusing expanded view timestamp when, the judge module 210 judges not connecing
Receive the request that focusing expands.The click can be double-clicked or click, and not be limited herein.
In other embodiments, the step S301 can be omitted.Namely the initial step of the flow chart described in Fig. 3 is
S302。
Step S302, the determining module 220 responds the focusing and expands request determination focusing object, focusing starting point and end
Point.
In the present embodiment, the determining module 220 determines according to the operation that user's triggering focusing expands request
Focusing object, focusing starting point and focusing terminal.In a specific implementation of the invention, when the triggering focusing expands
When the operation of request is that length presses operation, the determining module 220 determines the focusing object according to the length by the position of operation
And focusing starting point and focusing terminal is determined according to the duration by operation long.Wherein, it is minimum that the focusing starting point corresponds to focal length
Value, the focal length corresponding to the focusing terminal is maximum.
When user is applied with the operation that the focusing expands to a special object, observes the object for the ease of user and work as
Preceding focusing range, the determining module 220 can by specific mode for example using different colors by focus starting point and
Terminal shows.
Step S303, described image acquisition module 230 controls first camera 1210 to obtain the focusing object
First image and the control second camera 1211 obtain the second image of multiple different focals of object.
In the present embodiment, the focal length of described first image corresponds to the focusing starting point of the focusing object, and each
The focal length of the second image corresponds to from the focusing starting point to the certain point between the focusing terminal.That is, described image is obtained
Module 230 controls the second camera 1211 sequentially to be obtained such as 1S or 2S from starting point of being focused except as described at interval of the default time
Outside focusing to it is described focusing terminal the focusing object multiple second images.
Step S304, the merging module 240 is by the described first image acquired in described image acquisition module 230 and institute
The second image for stating multiple different focals is merged into the preview image of the object.
Step S305, the preview image synthesized by the control display merging module 240 of the display module 250.
In this way, by focusing process system 200 provided by the present invention user can be allowed very convenient and efficiently known working as
Region where preceding focusing range, and can further image of the object in the focusing range described in preview, in order to
User further the image of the object is judged for example judge this time focalize whether the suitable and preview state
Photo whether be satisfied with.
Fig. 6 is referred to, it illustrates the further more detailed flow chart of steps of step S303 shown in Fig. 6.
Step S3031, it is right that the scene depth acquisition module 231 gets focusing using binocular platform or depth transducer
The depth information of scene of elephant.
In embodiments of the present invention, first camera 1210 and second camera 1211 are all equipped with a depth
Sensor or the mobile terminal 1 00 are provided with a pair of head platform.The depth transducer is to utilize actively to launch infrared light
Reflect to obtain the range information of scene in the scene.
Step S3032, the object background determination module 232 gets according to the scene depth acquisition module 231
The depth information determines the Background of the object images and the object in described first image and second image
Picture.
Step S3033, the segmentation module 233 object according to determined by the object background determination module 220
Image and the background image carry out dividing processing to described first image and second image with described in after being split
The image-region of object.
Step S304, the image of the object that the synthesis module 240 is obtained after being split by the segmentation module 233
Region carries out contrast enhancement processing and synthesizes the preview image of the object.
Fig. 7 is referred to, it illustrates flow chart the step of focusing method in second embodiment of the invention.The method institute is real
Existing function can realize that certain program code can be protected by the caller code of controller 180 in mobile terminal 1 00
In there is computer-readable storage medium such as memory 160.As can be seen here, the mobile terminal 1 00 at least includes controller 180 and storage
Device 160.Additionally, in the present embodiment, according to specific circumstances, the execution sequence of step can change in the flow chart shown in Fig. 4
Become, some steps can be omitted.
Step S401, the judge module 210 judges first camera 1210 and/or the second camera 1211
Whether in preview state of taking pictures；If so, then entering step S402；If it is not, then return to step S401.
Step S402, the judge module 210 judges between right and wrong and receives the focusing expansion request that user is triggered.If so,
Then perform step S403；If it is not, then return to step S402.
In one embodiment, the step S402 is specially：Whether the judge module 210 is by judging user to
The focus marks symbol at the image preview interface that one camera 1210 (also known as main camera) is obtained is applied with default operation such as length
By operation or amplifieroperation.Wherein, the time that length focus marks as described in operation refers to user's pressing or touch-control are accorded with is more than
One preset value such as 5 seconds or 10 seconds etc..The amplifieroperation refers to that user rectifies to Jiao or icon of focusing is applied with an amplification
The drag operation opposite slide of such as two fingers.The focus marks symbol includes, but does not limit, focus frame or focusing icon
Deng.
Specifically, the focusing frame at the image pickup preview interface obtained to first camera 1210 as user or focusing icon
When being applied with default operation, the judge module 210 judges to receive the request that focusing expands.Conversely, when user is not to institute
It is described to sentence when the focusing frame or focusing icon for stating the image pickup preview interface of the acquisition of the first camera 1210 are applied with default operation
Disconnected module 210 judges not receiving the request that focusing expands.
In another embodiment, the step S402 is specially：The judge module 210 judges whether user triggers
Default focusing expands control button or icon.When user has pressed default focusing expansion control button or clicks default
Focusing expanded view timestamp, the judge module 210 judges to receive the request that focusing expands.Conversely, when user has not pressed pre-
If focusing expand control button or do not clicked on it is default focusing expanded view timestamp when, the judge module 210 judges not connecing
Receive the request that focusing expands.The click can be double-clicked or click, and not be limited herein.
In other embodiments, the step S401 and S402 can be omitted.
Step S403, the determining module 220 responds the focusing and expands request determination focusing object, focusing starting point and end
Point.
In the present embodiment, the determining module 220 determines according to the operation that user's triggering focusing expands request
Focusing object, focusing starting point and focusing terminal.In a specific implementation of the invention, when the triggering focusing expands
When the operation of request is that length presses operation, the determining module 220 determines the focusing object according to the length by the position of operation
And focusing starting point and focusing terminal is determined according to the duration by operation long.Wherein, it is minimum that the focusing starting point corresponds to focal length
Value, the focal length corresponding to the focusing terminal is maximum.
When user is applied with the operation that the focusing expands to a special object, observes the object for the ease of user and work as
Preceding focusing range, the determining module 220 can by specific mode for example using different colors by focus starting point and
Terminal shows.
Step S404, described image acquisition module 230 controls first camera 1210 to obtain the focusing object
First image and the control second camera 1211 obtain the second image of multiple different focals of object.
In the present embodiment, the focal length of described first image corresponds to the focusing starting point of the focusing object, and each
The focal length of the second image corresponds to from the focusing starting point to the certain point between the focusing terminal.That is, described image is obtained
Module 230 controls the second camera 1211 sequentially to be obtained such as 1S or 2S from starting point of being focused except as described at interval of the default time
Outside focusing to it is described focusing terminal the focusing object multiple second images.
Step S405, the merging module 240 is by the described first image acquired in described image acquisition module 230 and institute
The second image for stating multiple different focals is merged into the preview image of the object.
Step S406, the preview image synthesized by the control display merging module 240 of the display module 250.
By above-mentioned steps, the focusing process system 200 that second embodiment of the invention is provided can allow user clapping
Expand operation, and the region where knowing current focusing range according to focusing is carried out under preview state to the process of taking pictures, and
Can further image of the object in the focusing range described in preview, be easy to user further to the image of the object
Judge and for example judge this time to focalize whether whether the photo of the suitable and preview state is satisfied with.
It should be noted that a kind of focusing method that the embodiment of the present invention is provided is to be clapped on the mobile terminal device
According to scene under realize.
Focusing adjusts good focus distance when referring to using camera, focusing is also named to light, focused on.By camera or movement
Camera applications Focusing mechanism on terminal device changes object distance and position apart, and the process for making made thing imaging clearly is exactly right
It is burnt.
In embodiments of the present invention, user's using terminal is taken pictures, and when user clicks on camera applications, opens camera applications
Afterwards, shoot button be triggered or click on mobile terminal device display screen when, i.e., mobile terminal device receives focusing and refers to
When making, the mobile terminal device begins through imageing sensor to carry out the collection of the first image, i.e. terminal and starts to destination object
The shooting of the first image is carried out, and terminal acquiescence when shooting at the beginning is shot using initial focal length, therefore, terminal can
To obtain initial focal length during the first image of collection, and acquisition parameters are got according to the arrange parameter of terminal.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of focusing process method of twin-lens a, it is adaptable to mobile terminal, the mobile terminal include the first camera and
Second camera, it is characterised in that the focusing process method includes step：
When the focusing expansion request that user is triggered is received, respond the focusing expansion and ask to determine focusing object, focusing
Starting point and terminal；
Control first camera to obtain the first image of the object and control the second camera to obtain the object
Second image of multiple different focals, wherein, the focal length of described first image corresponds to the focusing starting point, every 1 second image
Focal length correspond to from it is described focusing starting point to it is described focusing terminal between certain point；And
Described first image is merged into the preview image of the object with the second image of multiple different focals.
2. focusing process method as claimed in claim 1, it is characterised in that " control first camera is obtained the step
Take the first image of the object and control the second camera to obtain the second image of multiple different focals of object " tool
Body includes：
The depth information of scene of focusing object is got using binocular platform or depth transducer；
The object images and the object in described first image and second image are determined according to the depth information
Background image；And
Described first image is divided with second image according to the identified object images and the background image
Treatment is cut with the image-region of the object after being split.
3. focusing process method as claimed in claim 2, it is characterised in that the step " by described first image with it is described
Second image of multiple different focals is merged into the preview image of the object " specifically include：
The image-region of the object after by segmentation carries out contrast enhancement processing and synthesizes the preview image of the object.
4. focusing process method as claimed in claim 3, it is characterised in that " right when receive that user triggered in step
When Jiao operates, the focus operation triggered according to the user determines focusing object and focusing starting point, terminal " also include step before
Suddenly：
Judge first camera and/or the second camera whether in preview state of taking pictures；
When first camera and/or the second camera enter takes pictures preview state, further determine whether to receive
To the focus operation of user's triggering.
5. focusing process method as claimed in claim 4, it is characterised in that when user is to first camera and described
When an object of two cameras in being obtained when taking pictures and focusing preview state is applied with length by operation, judge user to the object
It is applied with focus operation.
6. the focusing process device of a kind of twin-lens, runs on mobile terminal, and the mobile terminal includes the first camera and the
Two cameras, it is characterised in that the focusing process device includes：
Determining module, the focusing for being triggered according to the user when the focusing expansion operation that user is triggered is received expands
Operation determines focusing object, focusing starting point and terminal；
Image collection module, for controlling, first camera obtains the first image of the object and control described second is taken the photograph
The second image of multiple different focals of object is obtained as head, wherein, the focal length of described first image corresponds to the focusing
Starting point, the focal length of every 1 second image corresponds to from the focusing starting point to the certain point between the focusing terminal；And
Merging module, for described first image to be merged into the pre- of the object with the second image of multiple different focals
Look at image.
7. focusing process device as claimed in claim 6, it is characterised in that described " control first camera obtains institute
State the first image of object and control the second camera to obtain the second image of multiple different focals of object " specific bag
Include：
The depth information of scene of focusing object is got using binocular platform or depth transducer；
The object images and the object in described first image and second image are determined according to the depth information
Background image；And
Described first image is divided with second image according to the identified object images and the background image
Treatment is cut with the image-region of the object after being split.
8. focusing process device as claimed in claim 7, it is characterised in that it is described " by described first image with it is described multiple
Second image of different focal is merged into the preview image of the object " specifically include：
The image-region of the object after by segmentation carries out contrast enhancement processing and synthesizes the preview image of the object.
9. focusing process device as claimed in claim 8, it is characterised in that described " right when receive that user triggered
When Jiao operates, the focus operation triggered according to the user determines focusing object and focusing starting point, terminal " also include before：
Judge first camera with the second camera whether in focusing preview state of taking pictures；
When first camera and the second camera enter takes pictures focusing preview state, further determine whether to receive
To the focus operation of user's triggering.
10. focusing process device as claimed in claim 9, it is characterised in that when user to first camera with it is described
When an object of the second camera in being obtained when taking pictures and focusing preview state is applied with length by operation, judge user to described right
As being applied with focus operation.
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