CN106303229A

CN106303229A - A kind of photographic method and device

Info

Publication number: CN106303229A
Application number: CN201610633520.5A
Authority: CN
Inventors: 郭启凡
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2016-08-04
Filing date: 2016-08-04
Publication date: 2017-01-04

Abstract

The embodiment of the invention discloses a kind of photographic method, the method includes: obtained the first image of the first image acquisition region by the first image capture module of terminal；First image is processed, it is thus achieved that the first marginal area of the portrait in the first image and the property parameters of the first marginal area；At least one second image of the second image acquisition region is gathered by the second image capture module of terminal；Based on default portrait position offset information in background image and the first marginal area, each second image determines the region to be synthesized that the portrait of the first image is corresponding；The second image that the difference in region to be synthesized Yu the property parameters of the first marginal area meets the first predetermined threshold value is defined as first object image；Portrait in first image is synthesized with first object image, generates the second target image.The embodiment of the present invention also provides for a kind of camera arrangement simultaneously.

Description

A kind of photographic method and device

Technical field

The present invention relates to shooting technology, particularly relate to a kind of photographic method and device.

Background technology

In life when cellphone subscriber want to clap one existing oneself have again scenery group photo time generally require and seek help from other people, Or personage is synthesized among the scenery photo taken by the later stage.Just cannot seek help other people as user one-man, this is just The later stage have to be used to process oneself is synthesized in the middle of photo, the most laborious but also time-consuming, and also major part user does not understands How to do later stage synthesis to process, have the biggest restricted.

In prior art, front-facing camera and the post-positioned pick-up head of mobile terminal work alone, it is impossible to give full play to The function of dual camera configuration.

Summary of the invention

For solving the technical problem of existing existence, the embodiment of the present invention provides a kind of photographic method and device, it is possible to realize Automatically trigger and take pictures, scheme after ensure that object scene synthesis captured by personage captured by front-facing camera and post-positioned pick-up head simultaneously The quality of picture.

For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:

First aspect, the embodiment of the present invention provides a kind of photographic method, and method includes: by the first image acquisition of terminal Module obtains the first image of the first image acquisition region；Described first image is processed, it is thus achieved that in described first image The first marginal area of portrait and the property parameters of described first marginal area；By the second image acquisition mould of described terminal Block gathers at least one second image of the second image acquisition region；Based on the position skew in background image of the default portrait Information and described first marginal area, determine the district to be synthesized that the portrait of described first image is corresponding in each second image Territory；The difference in described region to be synthesized Yu the property parameters of described first marginal area is met the second image of the first predetermined threshold value It is defined as first object image；Portrait in described first image is synthesized with described first object image, generates the second target Image.In such scheme, the described difference by described region to be synthesized Yu the property parameters of described first marginal area meets Before second image of one predetermined threshold value is defined as first object image, described method also includes: carry out described first image Process, it is thus achieved that the first focal length parameter value of described portrait；Described first object image is processed, it is thus achieved that described first object Second focal length parameter value of image；Described first focal length parameter value is adjusted, until the first focal length parameter value and second Jiao Ratio away from parameter value is more than or equal to the second predetermined threshold value；Portrait after adjusting is defined as the portrait in the first image.

In such scheme, the described difference by described region to be synthesized with the property parameters of described first marginal area meets Before second image of the first predetermined threshold value is defined as first object image, described method also includes: described portrait is according to presetting The image that zoom factor carries out reducing/enlarging is defined as the portrait in the first image.

In such scheme, the described difference by described region to be synthesized with the property parameters of described first marginal area meets Before second image of the first predetermined threshold value is defined as first object image, described method also includes: if described district to be synthesized Difference not met first predetermined threshold value of the property parameters of territory and described first marginal area, at least one second image described I-th the second image be adjusted, until the difference of the property parameters of region to be synthesized and described first marginal area meets the One predetermined threshold value, i is the integer more than or equal to 1.

In such scheme, described portrait in described first image and described first object image are synthesized, generate the Two target images, including: according to described position offset information, after overlapping with described first object image for portrait, with institute's rheme Centered by putting the position specified in offset information, point determines that an appointment scope is as embedding region；In embedding region, display is described Portrait, shows described first object image outside corresponding embedding region；After overlapping with described first object image for described portrait Display image be defined as the second target image.

Second aspect, embodiments provide a kind of camera arrangement, including the first collecting unit, for by the One image capture module obtains the first image of the first image acquisition region；First processing unit, for described first image Process, it is thus achieved that the first marginal area of the portrait in described first image and the property parameters of described first marginal area； Second collecting unit, for gathering at least one second image of the second image acquisition region by the second image capture module； First determines unit, for based on default portrait position offset information in background image and described first marginal area, The region to be synthesized that the portrait of described first image is corresponding is determined in each second image；Second determines unit, and being used for will The difference of described region to be synthesized and the property parameters of described first marginal area meets the second image of the first predetermined threshold value and determines For first object image；Synthesis unit, for being synthesized with described first object image by the portrait in described first image, generates Second target image.

In such scheme, described device also includes: the second processing unit, for described first image is processed, Obtain the first focal length parameter value of described portrait；Described first object image is processed, it is thus achieved that described first object image The second focal length parameter value；Described first focal length parameter value is adjusted, until the first focal length parameter value and the second focal length ginseng The ratio of numerical value is more than or equal to the second predetermined threshold value；Portrait after adjusting is defined as the portrait in the first image.

In such scheme, described device also includes: the 3rd processing unit, is used for described portrait according to pre-set zoom system The image that number carries out reducing/enlarging is defined as the portrait in the first image.

In such scheme, described device also includes: adjustment unit, if for described region to be synthesized and described first First predetermined threshold value described in the difference not met of the property parameters of marginal area, to the i-th at least one second image described Second image is adjusted, until region to be synthesized and the difference of the property parameters of described first marginal area meet described first pre- If threshold value, i is the integer more than or equal to 1.

In such scheme, described synthesis unit, specifically for according to described position offset information, by portrait and described the After one target image overlap, centered by the position specified in the offset information of described position, point determines that an appointment scope is as embedding Enter region；Show described portrait in embedding region, outside corresponding embedding region, show described first object image；By described portrait Display image after overlapping with described first object image is defined as the second target image.

The photographic method of the embodiment of the present invention and device, wherein, the camera arrangement the first image capture module by terminal Obtain the first image of the first image acquisition region, the first image is processed, it is thus achieved that first of the portrait in the first image Marginal area and the property parameters of the first marginal area, gather the second image acquisition areas by the second image capture module of terminal At least one of territory the second image, based on default portrait position offset information in background image and the first marginal area, The region to be synthesized that the portrait of the first image is corresponding is determined in each second image；By region to be synthesized and the first marginal zone The difference of the property parameters in territory meets the second image of the first predetermined threshold value and is defined as first object image；By the people in the first image As synthesizing with first object image, generating the second target image, this is just when realizing automatic triggering and taking pictures, it is ensured that preposition shooting The quality of image after object scene synthesis captured by the captured personage of head and post-positioned pick-up head.

Accompanying drawing explanation

Fig. 1-1 is the hardware architecture diagram of the mobile terminal realizing each embodiment of the present invention；

Fig. 1-2 is the wireless communication system schematic diagram of mobile terminal as Figure 1-1；

Fig. 1-3 is the schematic flow sheet of the photographic method in the embodiment of the present invention one；

Fig. 1-4 is the design sketch one of the synthetic method in the embodiment of the present invention one；

Fig. 1-5 is the design sketch two of the synthetic method in the embodiment of the present invention one；

Fig. 2 is the schematic flow sheet of the photographic method in the embodiment of the present invention two；

Fig. 3 is the schematic flow sheet of the photographic method in the embodiment of the present invention three；

Fig. 4 is the schematic flow sheet of the photographic method in the embodiment of the present invention four；

Fig. 5 is the schematic flow sheet of the photographic method in the embodiment of the present invention five；

Fig. 6-1 is the composition structural representation one of the camera arrangement in the embodiment of the present invention six；

Fig. 6-2 is the composition structural representation two of the camera arrangement in the embodiment of the present invention six；

Fig. 6-3 is the composition structural representation three of the camera arrangement in the embodiment of the present invention six；

Fig. 6-4 is the composition structural representation four of the camera arrangement in the embodiment of the present invention six.

Detailed description of the invention

Should be appreciated that specific embodiment described herein, only in order to explain technical scheme, is not used to Limit protection scope of the present invention.

The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use For representing the suffix explanation only for the beneficially present invention of such as " module ", " parts " or " unit " of element, itself Not specific meaning.Therefore, " module " can mixedly use with " parts ".

Mobile terminal can be implemented in a variety of manners.Such as, 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 consolidating of such as numeral TV, desk computer etc. Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, mobile except being used in particular for Outside the element of purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.

Fig. 1-1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.

Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input block 120, user's input Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190 Etc..Fig. 1-1 shows the mobile terminal with various assembly, it should be understood that be not required for implementing all illustrating Assembly.Can alternatively implement more or less of assembly.Will be discussed in more detail below the element of mobile terminal.

Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and wireless communication system Or the radio communication between network.Such as, wireless communication unit can include broadcast reception module 111, mobile communication module 112, at least one in wireless Internet module 113, short range communication module 114 and positional information module 115.

Broadcast reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcasting management server Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be to generate and send Broadcast singal and/or the server of broadcast related information or the broadcast singal generated before receiving and/or broadcast related information And send it to the server of terminal.Broadcast singal can include that TV broadcast singal, radio signals, data are broadcasted Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase Pass information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould Block 112 receives.Broadcast singal can exist in a variety of manners, and such as, it can be with the electronics of DMB (DMB) Program guide (EPG), the form of electronic service guidebooks (ESG) etc. of digital video broadcast-handheld (DVB-H) and exist.Broadcast Receiver module 111 can be broadcasted by using various types of broadcast systems to receive signal.Especially, broadcast reception module 111 Can be by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video wide Broadcast-hand-held (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting integrated service Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcast reception module 111 may be constructed such that and is adapted to provide for extensively Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.Via broadcast reception module 111 receive broadcast singal and/ Or broadcast related information can be stored in memorizer 160 (or other type of storage medium).

Mobile communication module 112 sends radio signals to base station (such as, access point, node B etc.), exterior terminal And in server at least one and/or receive from it radio signal.Such radio signal can include that voice leads to Words signal, video calling signal or the various types of data sending according to text and/or Multimedia Message and/or receiving.

Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), 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 Tooth TM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee TM etc..

Positional information module 115 is the module of positional information for checking or obtain mobile terminal.Positional information module Typical case be GPS (global positioning system).According to current technology, GPS module 115 calculates from three or more satellites Range information and correct time information and for the Information application triangulation calculated, thus according to longitude, latitude Highly accurately calculate three-dimensional current location information.Currently, the method use three being used for calculating position and temporal information is defended Star and by using the position and the error of temporal information that other satellite correction calculates.Additionally, GPS module 115 Velocity information can be calculated by Continuous plus current location information in real time.

A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He Mike 1220, the camera 121 static map to being obtained by image capture apparatus in Video Capture pattern or image capture mode The view data of sheet or video processes.Picture frame after process may be displayed on display unit 151.At camera 121 Picture frame after reason can be stored in memorizer 160 (or other storage medium) or carry out via wireless communication unit 110 Send, two or more cameras 1210 can be provided according to the structure of mobile terminal.Mike 122 can be at telephone relation mould Formula, logging mode, speech recognition mode etc. operational mode receives sound (voice data) via mike, and can be by Such acoustic processing is voice data.Audio frequency (voice) data after process can be changed in the case of telephone calling model For can be sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can implement all kinds Noise eliminate (or suppression) algorithm with the noise eliminating (or suppression) and producing during receiving and send audio signal or Person disturbs.

User input unit 130 can generate key input data to control each of mobile terminal according to the order of user's input Plant operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch Plate (such as, detection due to touched and cause resistance, pressure, the sensitive component of change of electric capacity etc.), roller, rocking bar etc. Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.

Sensing unit 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close shape State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal Orientation, the acceleration or deceleration of mobile terminal 100 of 100 move and direction etc., and generate for controlling mobile terminal 100 The order of operation or signal.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense This sliding-type phone opens or cuts out.It 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 include that proximity transducer 1410 will combine below This is described by touch screen.

Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.Such as, 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, for connect have the port of device of identification module, audio frequency input/output (I/O) end Mouth, video i/o port, ear port etc..Identification module can be that storage is for verifying that user uses each of mobile terminal 100 Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included Etc..It addition, the device (hereinafter referred to as " identification device ") with identification module can be to take the form of smart card, therefore, know Other device can be connected with mobile terminal 100 via port or other attachment means.Interface unit 170 may be used for receive from The input (such as, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100 One or more elements or may be used between mobile terminal and external device (ED) transmit data.

It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing electricity by it Power provides the path of mobile terminal 100 from base or can serve as allowing from the various command signals of base input by it It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from various command signals or the electric power of base input The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner Go out signal (such as, audio signal, video 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 100.Such as, it is in electricity when mobile terminal 100 During words call mode, display unit 151 can show and call or other (such as, text messaging, multimedia file that communicate Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern Or during image capture mode, display unit 151 can show image and/or the image of reception of capture, illustrate video or figure UI or GUI of picture and correlation function etc..

Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time, display unit 151 can serve as input equipment 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 A kind of.Some in these display may be constructed such that transparence is watched from outside with permission user, and this is properly termed as transparent Display, typical transparent display can for example, TOLED (transparent organic light emitting diode) display etc..According to specific The embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, move Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches Input pressure and touch input position and touch input area.

Dio Output Modules 152 can mobile terminal be in call signal receive pattern, call mode, logging mode, Time under the isotype such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or at memorizer 160 The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide with mobile The audio frequency output (such as, call signal receives sound, message sink sound etc.) that the specific function that terminal 100 performs is relevant. Dio Output Modules 152 can include speaker, buzzer etc..

Alarm unit 153 can provide output to notify event to mobile terminal 100.Typical event is permissible Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video exports, alarm unit 153 can provide output with the generation of notification event in a different manner.Such as, alarm unit 153 can be with the form of vibration Output is provided, when receiving calling, message or some other entrance communication (incomingcommunication), alarm list Unit 153 can provide sense of touch output (that is, vibration) to notify to user.By providing such sense of touch to export, even if When the mobile phone of user is in the pocket of user, user also is able to identify the generation of various event.Alarm unit 153 is also The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.

Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can Temporarily to store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And And, memorizer 160 can with storage about when touch be applied to touch screen time the vibration of various modes of output and audio signal Data.

Memorizer 160 can include that the storage medium of at least one type, described storage medium include flash memory, hard disk, many Media card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access store Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected execution memorizer with by network The network storage device cooperation of the storage function of 160.

Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs and voice call, data Control that communication, video calling etc. are relevant and process.It addition, controller 180 can include for reproducing or multimedia playback The multi-media module 1810 of data, multi-media module 1810 can construct in controller 180, or it is so structured that with control Device 180 separates.Controller 180 can perform pattern recognition process, with the handwriting input that will perform 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 Suitable electric power needed for part and assembly.

Various embodiment described herein can be to use such as computer software, hardware or its any combination of calculating Machine computer-readable recording medium is implemented.Implementing for hardware, embodiment 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 Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to perform function described herein At least one in electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180. Software is implemented, the embodiment 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 suitable programming language Implementing, software code can be stored in memorizer 160 and be performed by controller 180.

So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form, The slide type mobile terminal of various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as example. Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.

Mobile terminal 100 as shown in Fig. 1-1 may be constructed such that utilization is via frame or packet transmission data such as Wired and wireless communication system and satellite-based communication system operate.

The communication system being wherein operable to according to the mobile terminal of the present invention is described referring now to Fig. 1-2.

Such communication system can use different air interfaces and/or physical layer.Such as, communication system use 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 relates to cdma communication system, but such teaching is equally applicable to other type of system.

With reference to Fig. 1-2, cdma wireless communication system can include multiple mobile terminal 100, multiple base station (BS) 270, base Station control (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 and the BSC275 formation interface that can be couple to base station 270 via back haul link. If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system as shown in figs. 1-2 can include multiple BSC2750.

Each BS270 can service one or more subregion (or region), by multidirectional antenna or the sky of sensing specific direction Each subregion that line covers is radially away from BS270.Or, each subregion can be by for two or more of diversity reception Antenna covers.Each BS270 may be constructed such that support multiple frequencies distribution, and the distribution of each frequency has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).

Intersecting that subregion and frequency are distributed 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 " may 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 For multiple cellular stations.

As shown in figs. 1-2, broadcast singal is sent in system the mobile terminal operated by broadcsting transmitter (BT) 295 100.Broadcast reception module 111 as shown in Fig. 1-1 be arranged on mobile terminal 100 sentence receive by BT295 send wide Broadcast signal.In Fig. 1-2, it is shown that several global positioning systems (GPS) satellite 300.Satellite 300 helps location multiple mobile whole At least one in end 100.

In Fig. 1-2, depict multiple satellite 300, it is understood that be, it is possible to use any number of satellite obtain have Location information.GPS module 115 as shown in Fig. 1-1 is generally configured to coordinate with satellite 300 with determining that acquisition is wanted Position information.Substitute GPS tracking technique or outside GPS tracking technique, it is possible to use the position of mobile terminal can be followed the tracks of Other technology.It addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.

As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100 Signal.Mobile terminal 100 generally participates in call, information receiving and transmitting communicates with other type of.Certain base station 270 receive each instead Processed in specific BS270 to link signal.The data obtained are forwarded to the BSC275 being correlated with.BSC provides call Resource distribution and the mobile management function of the coordination of soft switching process included between BS270.The number that BSC275 also will receive According to being routed to MSC280, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with MSC280 forms interface, MSC Yu BSC275 forms interface, and BSC275 correspondingly controls BS270 with by forward link signals It is sent to mobile terminal 100.

Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method will be proposed below.

The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.

Embodiment one

Based on aforesaid embodiment, the embodiment of the present invention provides a kind of photographic method, and the method is applied to terminal, and this is taken pictures The function that method is realized can be realized by the processor caller code of terminal, and certain program code can be saved in In computer-readable storage medium, it is seen then that this terminal at least includes processor and storage medium.

What Fig. 1-3 was the embodiment of the present invention one photographic method realizes schematic flow sheet, as Figure 1-3, and this photographic method Including:

S101: obtained the first image of the first image acquisition region by the first image capture module.

Here, here, the first image capture module can be front-facing camera, it is also possible to for post-positioned pick-up head, the present invention This is the most specifically limited by embodiment, and photographic head belongs to conventional hardware configuration on existing terminal unit, the most do not do into One step introduction；First image is still image, and wherein, that is shown in the first image includes object, personage, scenery etc.；Portrait Referring to represent in image the image-region of " portrait ", such as, portrait actually refers to the region of personage, for another example, the image of flower, Flower in picture actually refers to the region of flower.

S102: the first image is processed, it is thus achieved that the first marginal area of the portrait in the first image and the first edge The property parameters in region.

Here, the first marginal area is the profile of the portrait in the first image, and the first marginal area property parameters can be The contour feature factor of portrait, the extracting method of marginal area feature is marginal area characteristic method, and boundary characteristic method the method is led to Cross the description to boundary characteristic to obtain the form parameter of image.Wherein Hough transform detection parallel lines method and border side It is classical way to histogram method.Hough transform is to utilize image overall characteristic to be coupled together by edge pixel and form district A kind of method of closed boundary, territory, its basic thought is the duality of dotted line；Edge direction histogram method first differential map picture Trying to achieve image border, then, make the rectangular histogram about edge size and Orientation, usual way is structure gradient of image and gray scale Direction matrix.

The property parameters of the first marginal area can be the feature of the profile of portrait, the brightness of the profile of such as portrait, right The one of the quantized value of characteristics of image is characterized than degree, saturation, color etc.；The extracting method of color characteristic includes but not limited to face Color Histogram, color set, color moment, color convergence vector, color correlogram, this is the most specifically limited by the embodiment of the present invention.

S103: gathered at least one second image of the second image acquisition region by the second image capture module.

Here, the second image capture module can be post-positioned pick-up head, it is also possible to for front-facing camera, the embodiment of the present invention This is the most specifically limited；During implementing, move when the first collecting part and the second image capture module are respectively The front-facing camera of dynamic terminal and post-positioned pick-up head；Second image acquisition region is for the region captured by object scene, for Avoid the impact such as camera lens shake, exposure time, exposure frequency, the embodiment of the present invention need to for same second image acquisition region, Gathering at least one second image, the second image includes object, scenery etc..

S104: based on default portrait position offset information in background image and described first marginal area, often One the second image determines the region to be synthesized that the portrait of the first image is corresponding.

Here, position offset information can be that the coordinate range of portrait synthesis pixel in the second image describes, example As: a kind of feasible implementation of position offset information is: can be determined by the central point of the spacing of two of portrait With the relative coordinate of the geometric center point of the second image, portrait relative position information in the second figure is described；Can also be The point coordinates specified in second image, such as: by point centered by this point coordinates, by by the spacing of the two of portrait From central point be superimposed upon on this indication point, this is the most specifically limited by the embodiment of the present invention.

S105: the difference in region to be synthesized Yu the property parameters of the first marginal area is met the second figure of the first predetermined threshold value As being defined as first object image.

According to position offset information, it is thus achieved that region to be synthesized in each second image, the profile in this region is carried out spy Levy extraction, it is thus achieved that the property parameters of corresponding the second of the profile in each region to be synthesized, here, the second property parameters and step The first property parameters in rapid 102 is for characterizing identical property parameters.

Here, the first predetermined threshold value can be according to the self-defined setting of practical situation by screen prompt user, it is also possible to Arrange for system default；The purpose arranging the first predetermined threshold value in the embodiment of the present invention is to synthesize portrait at the profile with portrait Have in second target image (background image) of relative identification.

S106: the portrait in the first image is synthesized with first object image, generates the second target image.

The feasible implementation of S106 can be implemented with following two ways, and this is the most specifically limited by the embodiment of the present invention Fixed:

Mode 1, see shown in Fig. 1-4, according to position offset information, after overlapping with first object image 2 for portrait 1, with Centered by the position specified in the offset information of position, point determines that an appointment scope is as embedding region；People is shown in embedding region Picture, shows first object image outside corresponding embedding region；By true for the portrait 1 display image after overlapping with first object image 2 It is set to the second target image.

Here, it is intended that position can be the most self-defined setting of user, special, it is also possible to be the second figure The geometric center of picture, this is the most specifically limited by the embodiment of the present invention.

Mode 2, see shown in Fig. 1-5, by the pixel value superposition on correspondence position in portrait 1 and first object image 2, The second target image arrived.

The technical scheme that the embodiment of the present invention provides, user is during shooting, and terminal can realize what user wanted Image effect, i.e. realizes portrait and the second image capture module in the first image that the first image capture module gathers and gathers extremely The synthesis of few second image, it is ensured that automatically trigger the quality of middle composograph of taking pictures.Without as prior art, right The later stage of image processes, and in order to obtain effect same in prior art, user must be continuously shot multiple images, then by right The superposition of image and PS process and just can accomplish above-mentioned effect.Compared with prior art, user can obtain in real time, and user Without superb image procossing technical ability.

Embodiment two

Fig. 2 be the photographic method in the embodiment of the present invention two realize schematic flow sheet, as in figure 2 it is shown, this photographic method Including:

S201: obtained the first image of the first image acquisition region by the first image capture module.

S202: the first image is processed, it is thus achieved that the first marginal area of the portrait in the first image and the first edge The property parameters in region.

S203: gathered at least one second image of the second image acquisition region by the second image capture module.

S204: based on default portrait position offset information in background image and the first marginal area, at each Second image determines the region to be synthesized that the portrait of the first image is corresponding.

S205: the difference in region to be synthesized Yu the property parameters of the first marginal area is met the second figure of the first predetermined threshold value As being defined as first object image.

S206: the first image is processed, it is thus achieved that the first focal length parameter value of portrait.

Here, focal length parameter value can be the most self-defined setting of user, and focal length determines this lens shooting Subject size of formed image on imaging plane.Assume at the same distance in the face of same subject is clapped Take the photograph, then the focal length of camera lens is the longest, then the enlargement ratio of the image that subject is formed on film or image sensor is more Greatly.

S207: first object image is processed, it is thus achieved that the second focal length parameter value of first object image.

S208: the first focal length parameter value is adjusted, until the first focal length parameter value and the ratio of the second focal length parameter value Value is more than or equal to the second predetermined threshold value.

Here, in actual application, the front-facing camera of mobile terminal and post-positioned pick-up head are according to the distance of captured object Auto-focusing, the span of the second predetermined threshold value is between 0.5 to 1.

S209: the portrait after adjusting is defined as the portrait in the first image.

S210: the portrait in the first image is synthesized with first object image, generates the second target image.

The method that the embodiment of the present invention is provided, can be with application software (APP) during being embodied as Form is embodied in the terminal of user, as a kind of preferred embodiment, can improve image acquisition APP in existing terminal (such as take pictures APP), realizes the method that the embodiment of the present invention provides on the existing APP of taking pictures, during implementing, and should Method can be a function on APP of taking pictures, and when user opens this function when, terminal performs the present invention in fact by starting Execute the method that example provides.When user needs the target landscape image of portrait and the post-positioned pick-up head collection gathered by front-facing camera Merging, then start photographic head APP, then front-facing camera starts to shoot an image as the first image, and then terminal is opened Begin to perform step 203.

Embodiment three

Fig. 3 be the photographic method in the embodiment of the present invention three realize schematic flow sheet, as it is shown on figure 3, this photographic method Including:

S301: obtained the first image of the first image acquisition region by the first image capture module.

S302: the first image is processed, it is thus achieved that the first marginal area of the portrait in the first image and the first edge The property parameters in region.

S303: gathered at least one second image of the second image acquisition region by the second image capture module.

S304: based on default portrait position offset information in background image and the first marginal area, at each Second image determines the region to be synthesized that the portrait of the first image is corresponding.

S305: the difference in region to be synthesized Yu the property parameters of the first marginal area is met the second figure of the first predetermined threshold value As being defined as first object image.

S306: portrait is defined as the portrait in the first image according to the image that pre-set zoom coefficient carries out reducing/enlarging.

Here, determine that a kind of feasible implementation of pre-set zoom coefficient can be embodied as with following two ways:

Mode 1, determining image distance according to the distance between camera lens and the subject of filming apparatus and focal length, image distance is Distance between picture and camera lens that subject becomes；Currently displaying being taken in the preview interface obtain filming apparatus The pantograph ratio of the photo of object.

Mode 2, the most self-defined setting of user.

S307: the portrait in the first image is synthesized with first object image, generates the second target image.

Embodiment four

Fig. 4 be the photographic method in the embodiment of the present invention four realize schematic flow sheet, as shown in Figure 4, this photographic method Including:

S401: obtained the first image of the first image acquisition region by the first image capture module.

S402: the first image is processed, it is thus achieved that the first marginal area of the portrait in the first image and the first edge The property parameters in region.

S403: gathered at least one second image of the second image acquisition region by the second image capture module.

S404: based on default portrait position offset information in background image and the first marginal area, at each Second image determines the region to be synthesized that the portrait of the first image is corresponding.

S405: if difference not met first predetermined threshold value of the property parameters of region to be synthesized and the first marginal area, right I-th the second image at least one second image is adjusted, until region to be synthesized and the attribute of the first marginal area The difference of parameter meets the first predetermined threshold value.

S406: by true with the image that the difference of the property parameters of the first marginal area meets the first predetermined threshold value for region to be synthesized It is set to first object image.

S407: the portrait in the first image is synthesized with first object image, generates the second target image.

Embodiment five

Fig. 5 be the embodiment of the present invention five photographic method realize schematic flow sheet, as it is shown in figure 5, this photographic method includes:

S501: open mobile phone terminal shooting figure, performs S502.

S502: judge whether to open personage's scenery group photo function, if opening group photo function, performs S503；Otherwise, perform S506。

S503: simultaneously open front and rear photographic head, front-facing camera obtains people information, and post-positioned pick-up head obtains scenery letter Breath, and it is shown in the preview window in real time, perform S504.

S504: take pictures execution S05.

S505: obtain merging personage and scenery photo, terminate.

S506: take pictures, performs S507.

S507: obtain general photo, terminates.

The present invention proposes a kind of mobile phone terminal photographic head existing person recognition algorithm that uses, and open simultaneously front-facing camera and Post-positioned pick-up head, with the method obtaining the photo merging personage and scenery, opens the shooting of mobile phone front and rear simultaneously when user takes pictures Head, front-facing camera is used for obtaining the background data beyond user's character data, and the personage that will recognize and removes, rearmounted shooting Head is used for obtaining user's scene information at the moment, and so, the people information got by front-facing camera is shown in post-positioned pick-up head On the scene information got, and preview data will be obtained it is shown in mobile phone screen end in real time, thus reach individual subscriber i.e. Can take in real time and merge the photo having personage and scenery.

Embodiment six

Based on aforesaid embodiment of the method, the embodiment of the present invention provides a kind of camera arrangement, the first collection in this device Unit, the first processing unit, the second collecting unit, the second processing unit, determine that unit, synthesis unit and storage unit can Realized by the processor of terminal, the most also can be realized by concrete logic circuit；During specific embodiment, place Reason device can be central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..

Fig. 6-1 is the composition structural representation of the embodiment of the present invention one camera arrangement, as in Figure 6-1, and this device 600: Including first collecting unit the 601, first processing unit the 602, second collecting unit 603, first determine unit 604, second determine Unit 605, synthesis unit 606, wherein: the first collecting unit 601, for obtaining the by the first image capture module of terminal First image of one image acquisition region；First processing unit 602, for processing the first image, it is thus achieved that the first image In the first marginal area of portrait and the property parameters of the first marginal area；Second collecting unit 603, for by terminal Second image capture module gathers at least one second image of the second image acquisition region；First determines unit 604, for base In default portrait position offset information in background image and the first marginal area, each second image determines The region to be synthesized that the portrait of one image is corresponding；Second determines unit 605, for by region to be synthesized and the first marginal area The difference of property parameters meets the second image of the first predetermined threshold value and is defined as first object image；Synthesis unit 606, for by the Portrait in one image synthesizes with first object image, generates the second target image.

It should be noted that the first image capture module and the second image capture module are different image capture modules, Both view directions are different.

On the basis of above-described embodiment, synthesis unit 606, specifically for according to position offset information, by portrait and first After target image overlap, centered by the position specified in the offset information of position, point determines that an appointment scope is as embedding district Territory；Show portrait in embedding region, outside corresponding embedding region, show first object image；By portrait and first object image weight The display image of poststack is defined as the second target image.

In the embodiment of the present invention, as in fig. 6-2, this device 600 also includes the second processing unit 607, wherein: at second Reason unit 607, for processing the first image, it is thus achieved that the first focal length parameter value of portrait；First object image is carried out Process, it is thus achieved that the second focal length parameter value of first object image；First focal length parameter value is adjusted, until the first focal length ginseng The ratio of numerical value and the second focal length parameter value is more than or equal to the second predetermined threshold value；Portrait after adjusting is defined as the first image In portrait.

In the embodiment of the present invention, as shown in Fig. 6-3, this device 600 also includes the 3rd processing unit 608, wherein: at the 3rd Reason unit, for being defined as the portrait in the first image by portrait according to the image that pre-set zoom coefficient carries out reducing/enlarging.

In the embodiment of the present invention, as shown in Fig. 6-4, this device 600 also includes adjustment unit 609, wherein: adjustment unit, If for difference not met first predetermined threshold value in region to be synthesized Yu the property parameters of the first marginal area, at least one I-th the second image in two images is adjusted, until region to be synthesized is full with the difference of the property parameters of the first marginal area Foot the first predetermined threshold value, i is the integer more than or equal to 1.

It need to be noted that: the description of apparatus above embodiment, the description with said method embodiment is similar, There is the beneficial effect that same embodiment of the method is similar, do not repeat.For the skill not disclosed in apparatus of the present invention embodiment Art details, refer to the description of the inventive method embodiment and understands, for saving length, therefore repeats no more.

It need to be noted that:

Should be understood that during description is in the whole text that " embodiment " or " embodiment " mentioned means relevant with embodiment Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots Structure or characteristic can combine in one or more embodiments in any suitable manner.Should be understood that the various enforcements in the present invention In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its merit Can determine with internal logic, and the implementation process of the embodiment of the present invention should not constituted any restriction.The invention described above embodiment Sequence number, just to describing, does not represent the quality of embodiment.

It should be noted that in this article, term " includes ", " comprising " or its any other variant are intended to non-row Comprising of his property, so that include that the process of a series of key element, method, article or device not only include those key elements, and And also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or device Key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including this The process of key element, method, article or device there is also other identical element.

In several embodiments provided herein, it should be understood that disclosed equipment and method, can be passed through it Its mode realizes.Apparatus embodiments described above is only schematically, such as, the division of described module, it is only A kind of logic function divides, and actual can have other dividing mode, such as when realizing: multiple unit or assembly can be in conjunction with, or It is desirably integrated into another system, or some features can be ignored, or do not perform.It addition, shown or discussed each composition portion Dividing coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit Or communication connection, can be electrical, machinery or other form.

The above-mentioned unit illustrated as separating component can be or may not be physically separate, shows as unit The parts shown can be or may not be physical location；Both may be located at a place, it is also possible to be distributed to multiple network list In unit；Part or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.

It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit, it is possible to Being that each unit is individually as a unit, it is also possible to two or more unit are integrated in a unit；Above-mentioned Integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit and realizes.

One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in computer read/write memory medium, and this program exists During execution, perform to include the step of said method embodiment；And aforesaid storage medium includes: movable storage device, read-only deposit The various media that can store program code such as reservoir (Read Only Memory, ROM), magnetic disc or CD.

Or, if the above-mentioned integrated unit of the present invention is using the form realization of software function module and as independent product When selling or use, it is also possible to be stored in a computer read/write memory medium.Based on such understanding, the present invention implements The part that prior art is contributed by the technical scheme of example the most in other words can embody with the form of software product, This computer software product is stored in a storage medium, including some instructions with so that a computer equipment is (permissible It is personal computer, server or the network equipment etc.) perform all or part of of method described in each embodiment of the present invention. And aforesaid storage medium includes: various Jie that can store program code such as movable storage device, ROM, magnetic disc or CDs Matter.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims

1. a photographic method, it is characterised in that described method includes:

The first image of the first image acquisition region is obtained by the first image capture module of terminal；

Described first image is processed, it is thus achieved that the first marginal area of the portrait in described first image and described first limit The property parameters in edge region；

At least one second image of the second image acquisition region is gathered by the second image capture module of described terminal；

Based on default portrait position offset information in background image and described first marginal area, at each the second figure The region to be synthesized that the portrait of described first image is corresponding is determined in Xiang；

The difference in described region to be synthesized Yu the property parameters of described first marginal area is met the second figure of the first predetermined threshold value As being defined as first object image；

Portrait in described first image is synthesized with described first object image, generates the second target image.

Method the most according to claim 1, it is characterised in that described by the portrait in described first image and described first Target image synthesizes, and before generating the second target image, described method also includes:

Described first image is processed, it is thus achieved that the first focal length parameter value of described portrait；

Described first object image is processed, it is thus achieved that the second focal length parameter value of described first object image；

Described first focal length parameter value is adjusted, until the ratio of the first focal length parameter value and the second focal length parameter value is more than Or equal to the second predetermined threshold value；

Portrait after adjusting is defined as the portrait in the first image.

Described portrait is defined as the portrait in the first image according to the image that pre-set zoom coefficient carries out reducing/enlarging.

Method the most according to claim 1, it is characterised in that described by described region to be synthesized and described first marginal zone The difference of the property parameters in territory meets before the second image of the first predetermined threshold value is defined as first object image, and described method is also wrapped Include:

If described region to be synthesized and the first predetermined threshold value described in the difference not met of the property parameters of described first marginal area, I-th the second image at least one second image described is adjusted, until region to be synthesized and described first edge The difference of the property parameters in region meets described first predetermined threshold value, and i is the integer more than or equal to 1.

Method the most according to claim 1, it is characterised in that described by the portrait in described first image and described first Target image synthesizes, and generates the second target image, including:

According to described position offset information, after overlapping with described first object image for portrait, with in the offset information of described position Centered by the position specified, point determines that an appointment scope is as embedding region；

Show described portrait in embedding region, outside corresponding embedding region, show described first object image；

Described portrait display image after overlapping with described first object image is defined as the second target image.

6. a camera arrangement, it is characterised in that including:

First collecting unit, for obtaining the first image of the first image acquisition region by the first image capture module；

First processing unit, for processing described first image, it is thus achieved that the first limit of the portrait in described first image Edge region and the property parameters of described first marginal area；

Second collecting unit, for gathering at least one second figure of the second image acquisition region by the second image capture module Picture；

First determines unit, for based on default portrait position offset information in background image and described first marginal zone Territory, determines the region to be synthesized that the portrait of described first image is corresponding in each second image；

Second determines unit, for the difference in described region to be synthesized Yu the property parameters of described first marginal area is met first Second image of predetermined threshold value is defined as first object image；

Synthesis unit, for being synthesized with described first object image by the portrait in described first image, generates the second target figure Picture.

Device the most according to claim 6, it is characterised in that described device also includes: the second processing unit, for institute State the first image to process, it is thus achieved that the first focal length parameter value of described portrait；Described first object image is processed, obtains Obtain the second focal length parameter value of described first object image；Described first focal length parameter value is adjusted, until the first focal length The ratio of parameter value and the second focal length parameter value is more than or equal to the second predetermined threshold value；Portrait after adjusting is defined as the first figure Portrait in Xiang.

Device the most according to claim 6, it is characterised in that described device also includes: the 3rd processing unit, for by institute State portrait and be defined as the portrait in the first image according to the image that pre-set zoom coefficient carries out reducing/enlarging.

Device the most according to claim 6, it is characterised in that described device also includes: adjustment unit, if for described Region to be synthesized and the first predetermined threshold value described in the difference not met of the property parameters of described first marginal area, to described at least one I-th the second image in individual second image is adjusted, until the attribute ginseng of region to be synthesized and described first marginal area The difference of number meets described first predetermined threshold value, and i is the integer more than or equal to 1.

Device the most according to claim 6, it is characterised in that described synthesis unit, specifically for inclined according to described position Shifting information, after overlapping with described first object image for portrait, point centered by the position specified in the offset information of described position Determine that an appointment scope is as embedding region；Showing described portrait in embedding region, outside corresponding embedding region, display is described First object image；Described portrait display image after overlapping with described first object image is defined as the second target image.