CN106851125A - A kind of mobile terminal and multiple-exposure image pickup method - Google Patents
A kind of mobile terminal and multiple-exposure image pickup method Download PDFInfo
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- CN106851125A CN106851125A CN201710205725.8A CN201710205725A CN106851125A CN 106851125 A CN106851125 A CN 106851125A CN 201710205725 A CN201710205725 A CN 201710205725A CN 106851125 A CN106851125 A CN 106851125A
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/743—Bracketing, i.e. taking a series of images with varying exposure conditions
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
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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
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
Abstract
The invention discloses a kind of mobile terminal and multiple-exposure image pickup method, the first shooting unit of the mobile terminal, for shooting the first image；Wherein, the characteristic information of main body is shot in recording the first image when the first image is shot；Second shooting unit, for according to the characteristic information of main body is shot in the first image, it is determined that continuing the shooting main body of the image of shooting, and carrying out image taking；Overlapped elements, for according to multiple-exposure screening-mode, the first image and the image for continuing to shoot being carried out into synthesis treatment, obtain the image of multiple-exposure.The present invention shoots the first image, the characteristic information of main body is shot in recording the first image when the first image is shot, the shooting main body of the image for determining to continue shooting using the characteristic information for shooting main body, can make to need the shooting main body in each image being exposed all to focus accurately in multiple-exposure, by overlapping the multiple-exposure image for obtaining that picture is clear, have preferable visual effect.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of mobile terminal and its multiple-exposure image pickup method.
Background technology
Multiple-exposure (multiple exposure) is that one kind uses two or more times separate exposures in photographing, so
They are piled up afterwards, constitute the technical method of single photo, also referred to as multiexposure, multiple exposure, due to the wherein each time ginseng of exposure
Number is different, therefore last photo can produce the visual effect of uniqueness.The species of multiple-exposure includes following several：1st, it is same with ground
Scape and together the multiple-exposure of different scape；2nd, strange land with the different scape of scape and strange land multiple-exposure；3rd, all it is real burnt shoot and it is empty it is burnt with
The real burnt multiple-exposure for shooting；4th, the dense multiple-exposure with light and multiple zoom；5th, have powerful connections and multiple-exposure without background etc.
Deng.
Same ground multiple-exposure of different scape with scape and together：With ground with scape multiple-exposure, refer to using same seat in the plane, shoot same
The multiple-exposure that scenery is carried out；Different scape multiple-exposure, refers to that it is many that the different scenery of shooting are carried out using same seat in the plane together
Re-exposure.Have real burnt with real burnt, the empty burnt big mode with the multiple-exposure such as small with real burnt, image with scape and different scape.Pass through
This several exposure method can produce the effect that various different scenery contrasts and scenery are repeated.
Strange land with the different scape of scape and strange land multiple-exposure：Refer to the same scenery in strange land or two places or more
Different scene shots, the multiple-exposure being superimposed upon in a width picture.
All real Jiao shoots and the empty burnt multiple-exposure shot with real Jiao.The empty burnt multiple-exposure image with real Jiao is shot,
Should in real burnt shooting exposure fully, it is accurate, it is empty it is burnt shoot when with slightly it is under-exposure preferably, under exposed step-length amplitude should
Depending on the concrete condition of shot subject.All shot and the empty burnt multiple-exposure image with real Jiao using real Jiao every time, it is past
Toward the multiple-exposure for having same focal length shot subject displacement, varifocal shot subject multiple-exposure in situ, and shoot midway
Change the multiple-exposure of shot subject.
The dense multiple-exposure with light and multiple zoom：It is dense similar to actual situation multiple-exposure to light multiple-exposure, during shooting
Real Jiao's multiple-exposure can all be taken shot subject, it is also possible to shot subject is taken it is empty it is burnt with real Jiao be combined it is multiple
Exposure.But in depositing multiple-exposure should using exposure compensating method, make the master of multiple-exposure and it is secondary between image have dense
Light difference.The multiple-exposure of camera lens Jiao's section is varied multiple times, refers to change lens focus section when shooting shot subject or shoot
Distance, the multiple-exposure for then being shot next time again.The position or mobile seat in the plane of shot subject can be changed during zoom,
Machineization can also be allowed to keep as you were with the position of shot subject.
Have powerful connections and the multiple-exposure without background：The multiple-exposure having powerful connections, refers to artificial when shooting subject adding
Plus the multiple-exposure that background is carried out；Multiple-exposure without background, does not use what any background was operated when referring to shooting
Multiple-exposure.General photography people shoots the thing of some essay still lives etc, and all love uses black background paper or background cloth, this
Because black background optimum carries out the shooting of multiple-exposure.
Meanwhile, multiple-exposure has several frequently seen overlap scheme, with it is more be superposition, but utilize existing overlap
The multiple-exposure photo picture that mode is obtained compares Fuzzy and Rough.
The content of the invention
It is a primary object of the present invention to propose a kind of mobile terminal and multiple-exposure image pickup method, it is intended to solve existing
Multiple-exposure photo picture compares the problem of Fuzzy and Rough.
To achieve the above object, a kind of mobile terminal that the present invention is provided, including：First shooting unit, second shoot single
Unit, overlapped elements；
The first shooting unit, for shooting the first image；Wherein, described the is recorded when described first image is shot
The characteristic information of main body is shot in one image；
The second shooting unit, for according to the characteristic information of main body is shot in described first image, it is determined that continuing to clap
The shooting main body of the image taken the photograph, and carry out image taking；
The overlapped elements, for according to multiple-exposure screening-mode, the image that described first image and continuation are shot
Synthesis treatment is carried out, the image of multiple-exposure is obtained.
Additionally, to achieve the above object, the present invention also proposes a kind of multiple-exposure image pickup method, comprises the following steps：
The first image is shot, wherein, the spy of main body is shot in record described first image when described first image is shot
Reference ceases；
According to the characteristic information of shooting main body in described first image, it is determined that continue the shooting main body of the image of shooting, and
Carry out image taking；
According to multiple-exposure screening-mode, described first image and the image for continuing to shoot are carried out into synthesis treatment, obtained
The image of multiple-exposure.
Mobile terminal proposed by the present invention, main body is shot by when the first image is shot in record described first image
Characteristic information, the shooting main body of the image for determining to continue shooting using the characteristic information for shooting main body, can make to be needed in multiple-exposure
Shooting main body in each to be exposed image is all focused accurately, by subsequent overlay, can arrive and obtain that picture is clear, have compared with
The multiple-exposure image of good visual effect.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of a kind of optional 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 structural representation of apparatus of the present invention embodiment mobile terminal；
Fig. 4 is the flow chart of the inventive method embodiment multiple-exposure image pickup method.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
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 ".
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 a kind of optional 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 the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
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).
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 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 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 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.
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 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.
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, each embodiment of the invention is proposed.
The present invention is had found by studying, and in order to obtain preferable Overlay, is generally required and is shot main body to be superimposed
It is good, it is accurate in particular for focusing, only shoot main part clearly, when being subsequently superimposed, just have relatively good effect.It is false
If, the first image and the second image to be superimposed, both for same shooting main body, and focusing area is different, then may lead
Cause Overlay is not ideal, and picture compares Fuzzy and Rough, and the main body of two actual situation photos seems inconsistent.
In order to solve the problems, such as that multiple-exposure photo picture compares Fuzzy and Rough in the prior art, the invention provides one kind
Mobile terminal and multiple-exposure image pickup method.Fig. 3 is the structural representation of apparatus of the present invention embodiment mobile terminal, such as Fig. 3 institutes
Show, the mobile terminal that apparatus of the present invention embodiment is provided, including：First shooting unit 310, second shooting unit 320 and overlap
Unit 330, below the modules to apparatus of the present invention embodiment be described in detail.
The first shooting unit 310, for shooting the first image；Wherein, institute is recorded when described first image is shot
State the characteristic information of shooting main body in the first image.
Specifically, the shooting main body can for people, animal, face of people etc., shoot the characteristic information of main body include but
It is not limited to shoot the contour feature of main body.
Image border is an attribute region and the intersection of another attribute region of image, is that area attribute occurs to dash forward
The place of change.When the characteristic information for shooting main body is that when shooting the contour feature of main body, can use Edge extraction algorithm
The contour feature of main body is shot to extract.Specifically, can be extracted using any image Boundary extracting algorithm of the prior art
Shoot the contour feature of main body, such as Robert edge algorithms, Prewitt edge algorithms, Sobel edge algorithms, Kirsch sides
Edge algorithm and Laplacian algorithms.
Specifically, the first shooting unit specifically for：To shooting main body focusing, by the shooting of the mobile terminal
Head shoots the first image, and extracts first figure by default Edge extraction algorithm when described first image is shot
The characteristic information of main body is shot as in, and records the characteristic information of the shooting main body.
Wherein, camera can also be able to be dual camera, in recent years, increasing mobile terminal for single camera
(such as mobile phone) have selected the scheme of dual camera, and dual camera can significantly increase the light-inletting quantity of camera, lift photoperceptivity
And lightness, noise can be also effectively reduced, taking pictures, aspect has more advantage.In the prior art, including " one wide one is narrow ", " one
A black coloured silk ", the dual camera design of " small one and large one " three kinds of main flows.
More specific, when the mobile terminal is provided with the first camera and second camera, described first shoots single
Unit specifically for：
To shooting main body focusing, when the shooting main body in the first camera is clear, by default Edge extraction
Algorithm extracts the feature of the shooting main body, and obtains focal length now；
The second camera is shot according to the focal length, obtains the first image；
Or to shooting main body focusing, when the shooting main body in the first camera is clear, obtain focal length now；
The second camera shoots the first image according to the focal length, and passes through default figure in described first image
As Boundary extracting algorithm extracts the feature for shooting main body.
First camera and second camera could be arranged to " one wide one is narrow ", " one black one is color ", " small one and large one "
Three kinds of specific forms, preferably the first camera is black and white camera, and second camera is colour imagery shot.
The second shooting unit 320, for according to the characteristic information of main body is shot in described first image, it is determined that continuing
The shooting main body of the image of shooting, and carry out image taking.
Specifically, the bat of the image for being determined to continue shooting according to the characteristic information for shooting main body in described first image
Main body is taken the photograph, is focused according to the shooting main body, when shooting main body and being clear, shot.
More specific, when the mobile terminal is provided with the first camera and second camera, described second shoots single
Unit 320 is used for：
According to the characteristic information that main body is shot in described first image, it is determined that the shooting main body of the image that continuation shoots, right
The shooting main body is focused when the shooting main body in the first camera is clear, obtains focal length now；
The second camera is shot according to the focal length, obtains the image for continuing to shoot.
Likewise, first camera and second camera could be arranged to " one wide one is narrow ", " one black one is color ", " one
Big one is small " three kinds of specific forms, preferably the first camera is black and white camera, and second camera is colour imagery shot.
More specific, when the image for needing to be exposed in multiple-exposure is 2, the second shooting unit 320
Specifically for：Characteristic information according to main body is shot in described first image determines the shooting main body of the image for continuing shooting, root
Focused according to the shooting main body, when the shooting main body in the second image is clear, shot, obtained the second image.
When the image for needing to be exposed in multiple-exposure is more than 2, the second shooting unit 320 is specifically used
In：Characteristic information according to main body is shot in described first image determines the shooting main body of the image for continuing shooting, according to described
Shoot main body to be focused, when the shooting main body in the second image is clear, shot, obtain the second image；Using with bat
Take the photograph the second image identical method and shoot the figure that other needs are exposed in addition to the first image and the second image in multiple-exposure
Picture.
Specifically, heretofore described includes to shooting main body focusing：Focused by auto-focusing, or by obtaining
The manual focus instruction for taking family focuses two schemes.When the mode of focusing is manual focus, mobile terminal user passes through
The display screen for touching mobile terminal determines focusing position, and determines the focusing area according to the focusing position.
When the mode of focusing is auto-focusing, the photographic subjects in mobile terminal automatic identification shooting picture, and it is true according to photographic subjects
It is set to focusing area.Above two technical scheme is ordinary skill in the art means, and the present invention is not described further.
The overlapped elements 330, for according to multiple-exposure screening-mode, the figure that described first image and continuation are shot
As carrying out synthesis treatment, the image of multiple-exposure is obtained.
Specifically, the method for the overlap includes but is not limited to superposition, while superposition also has by weight, transparency, bright
The different stacked system such as darkness, the multiple images after exposure is overlapped or by the multiple images after exposure and described first
It is ordinary skill in the art means that image overlap, and the present invention is not described further.
For the mobile terminal of more detailed explanation apparatus of the present invention embodiment, 1~example of example 3 is given.
Example 1
The mobile terminal of example 1 includes first shooting unit, second shooting unit and overlapped elements.Wherein described movement
Terminal has black and white camera and colour imagery shot.
The first shooting unit, for shooting main body (such as Zhang San) focusing, as the shooting master in black and white camera
When body is clear, the contour feature of the shooting main body is extracted by default Edge extraction algorithm, and obtain Jiao now
Away from；The colour imagery shot is shot according to the focal length, obtains the first image.Wherein, the first image is multiple-exposure
In first need exposure image.
In the position of mobile mobile terminal together, or when the position of Zhang San produces minute movement, obtain the second image
Shooting angle and/or viewfinder range, in the second image multiple-exposure second need exposure image.
The second shooting unit, for the contour feature according to Zhang San in described first image, in determining the second image
Zhang San, Zhang San is focused when the Zhang San in black and white camera is clear, obtain focal length now；The colored shooting
Head is shot according to the focal length, obtains the second image.
The overlapped elements, for described first image and the second image to be overlapped, obtain the image of multiple-exposure.
Now, if in the second image, Li Si is have also appeared in addition to Zhang San, if using technology of the prior art
Scheme, it is possible to using Li Si as shooting main body, or Zhang San and Li Si are shot as shooting main body simultaneously, it is right to cause
It is burnt inaccurate, shoot main part unintelligible；But when using technical scheme, still can be in the second image
Using Zhang San as shooting main body, and it is clear to shoot main body shooting.
Example 2
Example 2 is differed only in example 1, using the face of Zhang San as shooting main body in example 2.
Example 3
The technical scheme of example 3 is applied to situation of the strange land with the multiple-exposure of the different scape of scape and strange land, and mobile terminal includes
First shooting unit, second shooting unit and overlapped elements.Wherein described mobile terminal has a camera.
The first shooting unit, it is clear-cut when certain animal (such as dog A) in the first image for auto-focusing
When, it is exposed and obtains the first image, and the profile information of dog A is extracted, the profile information of dog A is preserved.Wherein, first
Image is first image of needs exposure in multiple-exposure.
Mobile terminal is moved into strange land, or when the position of dog A produces larger mobile, obtains the shooting angle of the second image
Degree and/or viewfinder range, second image for needing exposure in the second image multiple-exposure.
The second shooting unit, for determining the dog A in the second image according to the profile information of the dog A, according to dog A
Focused, when in second image dog A it is clear-cut when, be exposed, obtain the second image；According to the dog A's
Profile information determines the dog A in the 3rd image, is focused according to dog A, clear-cut as the dog A in the 3rd image
When, it is exposed, obtain the 3rd image.
The overlapped elements, for described first image, the second image and the 3rd image to be overlapped, obtain multiple exposure
The image of light.
Mobile terminal proposed by the present invention, by obtaining the shooting main body in the first image and the shooting main body using acquisition
Real-time lock continues the shooting main body in the image for shooting, and focuses, and is shot when shooting main body and being clear, can make multiple
Need the shooting main body in each image being exposed all to focus accurately in exposure, by subsequent overlay, can arrive and obtain picture
Clearly, there is the multiple-exposure image of preferable visual effect.
Corresponding with device embodiment of the invention, present invention also offers a kind of multiple-exposure image pickup method, Fig. 4 is this hair
The flow chart of bright embodiment of the method multiple-exposure image pickup method, as shown in figure 4, the multiple-exposure of the inventive method embodiment shoots
Method, comprises the following steps：
Step 401：The first image is shot, wherein, shot in record described first image when described first image is shot
The characteristic information of main body；
Step 402：According to the characteristic information of main body is shot in described first image, it is determined that continuing the shooting of the image of shooting
Main body, and carry out image taking；
Step 403：According to multiple-exposure screening-mode, described first image and the image for continuing to shoot are carried out at synthesis
Reason, obtains the image of multiple-exposure.
In the inventive method implementation, specifically, the shooting main body can be people, animal, face of people etc., master is shot
The characteristic information of body includes but is not limited to shoot the contour feature of main body.
Specifically, in step 401, the first image is shot, including；
To shooting main body focusing, the first image is shot by the camera of the mobile terminal, and shooting described first
The characteristic information of main body is shot in extracting described first image by default Edge extraction algorithm during image, and records institute
State the characteristic information for shooting main body.
More specific, it is described when the mobile terminal is provided with the first camera and second camera in step 401
The first image is shot, including：
To shooting main body focusing, when the shooting main body in the first camera is clear, by default Edge extraction
Algorithm extracts the feature of the shooting main body, and obtains focal length now；
The second camera is shot according to the focal length, obtains the first image；
Or to shooting main body focusing, when the shooting main body in the first camera is clear, obtain focal length now；
The second camera shoots the first image according to the focal length, and passes through default figure in described first image
As Boundary extracting algorithm extracts the feature for shooting main body.
Further, in step 402, when the mobile terminal is provided with the first camera and second camera, according to institute
The characteristic information of shooting main body in the first image is stated, it is determined that continuing the shooting main body of the image of shooting, and image taking is carried out, wrapped
Include：
According to the characteristic information that main body is shot in described first image, it is determined that the shooting main body of the image that continuation shoots, right
The shooting main body is focused when the shooting main body in the first camera is clear, obtains focal length now；
The second camera is shot according to the focal length, obtains the image for continuing to shoot.
For more detailed explanation method of the present invention embodiment, 4~example of example 6 is given.
Example 4
Mobile terminal with examples detailed above 1 is corresponding, and example 4 provides one kind of multiple exposure image pickup methods, concrete scheme
It is as follows：When starting multiple-exposure, camera preview interface prompt user shoots two images, and points out shooting progress；User shoots
During the first image, to shooting main body (such as Zhang San) focusing, when the shooting main body in black and white camera is clear, by default
Edge extraction algorithm extracts the contour feature of the Zhang San, and obtains focal length now；The colour imagery shot is according to institute
State focal length to be shot, press soon behind the door, the first image of display has shot completion, and points out the second image to be captured, meanwhile, it is extensive
Complex phase machine preview interface；Now, user can move camera position, or move reference object etc., with needed for obtaining
Shooting angle and viewfinder range；In preview interface, according to the contour feature of Zhang San in described first image, it is determined that continuing to shoot
Image in Zhang San, the Zhang San is focused when the Zhang San in black and white camera is clear, obtain focal length now；
The colour imagery shot is shot according to the focal length, obtains the second image.Then, the multiple-exposure mould according to needed for user
Formula, is overlapped synthesis, and thus, being superimposed the image of synthesis has main body clear, and retains the effect of background or prospect virtualization.
Example 5
Mobile terminal with examples detailed above 2 is corresponding, and example 5 provides one kind of multiple exposure image pickup methods, example 5 and reality
Example 4 is differed only in, using the face of Zhang San as shooting main body in the example 5.
Example 6
Mobile terminal with examples detailed above 3 is corresponding, and example 6 provides one kind of multiple exposure image pickup methods, concrete scheme
It is as follows：When starting multiple-exposure, camera preview interface prompt user shoots three images, and points out shooting progress；Auto-focusing,
When certain animal (such as dog A) in the first image it is clear-cut when, be exposed and obtain the first image, and extract the wheel of dog A
Wide information, the profile information of dog A is preserved.Wherein, the first image is first figure of needs exposure in multiple-exposure
Picture.Mobile terminal is moved into strange land, or when the position of dog A produces larger mobile, obtain the second image shooting angle and/
Or viewfinder range, second image for needing exposure in the second image multiple-exposure.Profile information according to the dog A is true
Dog A in fixed second image, is focused according to dog A, when in second image dog A it is clear-cut when, be exposed, obtain
To the second image；Profile information according to the dog A determines the dog A in the 3rd image, is focused according to dog A, when described
Dog A in three images it is clear-cut when, be exposed, obtain the 3rd image.By described first image, the second image and the 3rd
Image is overlapped, and obtains the image of multiple-exposure.
Multiple-exposure image pickup method proposed by the present invention, by obtaining the shooting main body in the first image and utilizing what is obtained
Shoot the shooting main body in the image that other needs are exposed in addition to the first image in main body real-time lock multiple-exposure, regulation
Focal length, is shot when shooting main body and being clear, can make to need the shooting master in each image being exposed in multiple-exposure
Body is all focused accurately, by subsequent overlay, can be arrived and be obtained picture clearly, there is the multiple-exposure image of preferable visual effect.
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.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
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 mobile terminal, it is characterised in that including：First shooting unit, second shooting unit and overlapped elements；
The first shooting unit, for shooting the first image；Wherein, first figure is recorded when described first image is shot
The characteristic information of main body is shot as in；
The second shooting unit, for according to the characteristic information of main body is shot in described first image, it is determined that continuing what is shot
The shooting main body of image, and carry out image taking；
The overlapped elements, for according to multiple-exposure screening-mode, described first image and the image for continuing to shoot being carried out
Synthesis is processed, and obtains the image of multiple-exposure.
2. mobile terminal as claimed in claim 1, it is characterised in that the feature of the shooting main body includes shooting the wheel of main body
Wide feature.
3. mobile terminal as claimed in claim 1, it is characterised in that the first shooting unit specifically for：
To shooting main body focusing, the first image is shot by the camera of the mobile terminal, and shooting described first image
When the characteristic information that main body is shot in described first image is extracted by default Edge extraction algorithm, and record the bat
Take the photograph the characteristic information of main body.
4. mobile terminal as claimed in claim 3, it is characterised in that when the mobile terminal is provided with the first camera and second
During camera, the first shooting unit specifically for：
To shooting main body focusing, when the shooting main body in the first camera is clear, by default Edge extraction algorithm
The characteristic information of the shooting main body is extracted, and obtains focal length now；
The second camera is shot according to the focal length, obtains the first image；
Or to shooting main body focusing, when the shooting main body in the first camera is clear, obtain focal length now；
The second camera shoots the first image according to the focal length, and passes through default image side in described first image
Edge extraction algorithm extracts the characteristic information for shooting main body.
5. mobile terminal as claimed in claim 1, it is characterised in that when the mobile terminal is provided with the first camera and second
During camera, the second shooting unit is used for：
According to the characteristic information of shooting main body in described first image, it is determined that continue the shooting main body of the image of shooting, to described
Shoot main body to be focused when the shooting main body in the first camera is clear, obtain focal length now；
The second camera is shot according to the focal length, obtains the image for continuing to shoot.
6. a kind of multiple-exposure image pickup method, it is characterised in that including：
The first image is shot, wherein, the feature letter of main body is shot in record described first image when described first image is shot
Breath；
According to the characteristic information of main body is shot in described first image, it is determined that continuing the shooting main body of the image of shooting, and carry out
Image taking；
According to multiple-exposure screening-mode, described first image and the image for continuing to shoot are carried out into synthesis treatment, obtain multiple
The image of exposure.
7. multiple-exposure image pickup method as claimed in claim 6, it is characterised in that the feature of the shooting main body includes shooting
The contour feature of main body.
8. multiple-exposure image pickup method as claimed in claim 6, it is characterised in that the image of the shooting first, including：
To shooting main body focusing, the first image is shot by the camera of the mobile terminal, and shooting described first image
When the characteristic information that main body is shot in described first image is extracted by default Edge extraction algorithm, and record the bat
Take the photograph the characteristic information of main body.
9. multiple-exposure image pickup method as claimed in claim 6, it is characterised in that when the mobile terminal is provided with the first shooting
When head and second camera, the image of the shooting first, including：
To shooting main body focusing, when the shooting main body in the first camera is clear, by default Edge extraction algorithm
The characteristic information of the shooting main body is extracted, and obtains focal length now；
The second camera is shot according to the focal length, obtains the first image；
Or to shooting main body focusing, when the shooting main body in the first camera is clear, obtain focal length now；
The second camera shoots the first image according to the focal length, and passes through default image side in described first image
Edge extraction algorithm extracts the characteristic information for shooting main body.
10. multiple-exposure image pickup method as claimed in claim 6, it is characterised in that taken the photograph when the mobile terminal is provided with first
During as head and second camera, according to the characteristic information of shooting main body in described first image, it is determined that continue the image of shooting
Main body is shot, and carries out image taking, including：
According to the characteristic information of shooting main body in described first image, it is determined that continue the shooting main body of the image of shooting, to described
Shoot main body to be focused when the shooting main body in the first camera is clear, obtain focal length now；
The second camera is shot according to the focal length, obtains the image for continuing to shoot.
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