CN105430258B - A kind of method and apparatus of self-timer group photo - Google Patents
A kind of method and apparatus of self-timer group photo Download PDFInfo
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- CN105430258B CN105430258B CN201510727210.5A CN201510727210A CN105430258B CN 105430258 B CN105430258 B CN 105430258B CN 201510727210 A CN201510727210 A CN 201510727210A CN 105430258 B CN105430258 B CN 105430258B
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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
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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Abstract
The invention discloses a kind of methods of self-timer group photo, which is characterized in that the method includes the steps：Under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；Position relationship between the person's face that determines group photo；When the position relationship between judging the face of group photo person is suitble to shooting to take a group photo, triggering camera is shot.The present invention can improve the convenience of terminal user's self-timer group photo and the quality of group photo picture.
Description
Technical field
The present invention relates to the method and apparatus that field of terminal technology more particularly to a kind of self-timer are taken a group photo.
Background technology
It generally requires that third party's help is allowed to take pictures or by camera when two people (for example, lovers) need self-timer to take a group photo
Timing photography function is taken pictures using front camera.But above method more or less has some shortcomings.Because many times
Be not desired to trouble other people, the operating time periodically taken pictures is relatively long, while using front camera when holds mobile phone with one hand
Camera button is also clicked on, operate inconvenience, and easily causes float of taking pictures.
Therefore, how a kind of solution of easily self-timer group photo is provided, is the technical issues that need to address.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of method and apparatus of self-timer group photo, it is intended to improve user certainly
Clap the convenience of group photo and the quality of group photo picture.
To achieve the above object, the method for a kind of self-timer group photo provided by the invention, applied to terminal, the described method includes
Step：
Under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Position relationship between the person's face that determines group photo；
When the position relationship between judging the face of group photo person is suitble to shooting to take a group photo, triggering camera is shot.
Optionally, the position relationship between the definite group photo person face, including：
Determining group photo, whether the facial of person is on same focal plane and whether close to each other；
Position relationship between the face for judging group photo person is suitble to shooting to take a group photo, including：
Judge that the face of group photo person is on same focal plane and close to each other.
Optionally, whether the face of the definite group photo person is on same focal plane, including：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two are judged
The face of group photo person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons is smaller than r
In or equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face of the first group photo person than r
The area s2, s1 of the recognition of face frame of the area s1 of frame divided by the second group photo person are less than or equal to s2.
Optionally, whether the face of the definite group photo person is close to each other, including：
Calculate the close degree t of two group photo person faces；
If the close degree t of two group photo person faces is more than second threshold, judging group photo, person is close to each other；If two
The close degree t of a group photo person face is less than or equal to second threshold, then judging group photo, person is not close to each other；
Wherein, the close degree t for calculating two group photo person faces, may be employed in the following manner and is calculated：
Wherein, the central point of the recognition of face frame of the first group photo person be A1, the center of the recognition of face frame of the second group photo person
It is B1 to put, and the intersection point of the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person is A2,
The intersection point of the central point line of the recognition of face frame of two group photo persons and the recognition of face frame of the second group photo person is B2, A1 points and B1
For the distance of point for s, the distance of A1 points and A2 points is da, and the distance of B1 points and B2 points is db.
Optionally, the face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, it is when the face number identified is more than one, area is maximum
Face of the face that is focused on of two recognition of face frames as group photo person.
In addition, to achieve the above object, the present invention also provides a kind of device of self-timer group photo, applied to terminal, including：
Face detection module, under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Position computation module, for the position relationship between the person's face that determines group photo；
Taking module, for when the position relationship between judging the face of group photo person is suitble to shooting to take a group photo, triggering camera
It is shot.
Optionally, the position computation module, for the position relationship between the person's face that determines group photo, including：It determines to close
Whether whether the face of shadow person on same focal plane and close to each other；
The taking module is suitble to shooting to take a group photo for the position relationship between the face for the person that judges group photo, including：Judge
The face of group photo person is on same focal plane and close to each other.
Optionally, the position computation module, for determining group photo, whether the facial of person is in same focal plane, bag
It includes：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two are judged
The face of group photo person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons is smaller than r
In or equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face of the first group photo person than r
The area s2, s1 of the recognition of face frame of the area s1 of frame divided by the second group photo person are less than or equal to s2.
Optionally, the position computation module, it is whether close to each other for the face for the person that determines group photo, including：
Calculate the close degree t of two group photo person faces；
If the close degree t of two group photo person faces is more than second threshold, judging group photo, person is close to each other；If two
The close degree t of a group photo person face is less than or equal to second threshold, then judging group photo, person is not close to each other；
Wherein, the close degree t for calculating two group photo person faces, may be employed in the following manner and is calculated：
Wherein, the central point of the recognition of face frame of the first group photo person be A1, the center of the recognition of face frame of the second group photo person
It is B1 to put, and the intersection point of the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person is A2,
The intersection point of the central point line of the recognition of face frame of two group photo persons and the recognition of face frame of the second group photo person is B2, A1 points and B1
For the distance of point for s, the distance of A1 points and A2 points is da, and the distance of B1 points and B2 points is db.
Optionally, the face detection module, for the face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, it is when the face number identified is more than one, area is maximum
Face of the face that is focused on of two recognition of face frames as group photo person.
The method and apparatus of a kind of self-timer group photo provided by the invention, using between recognition of face person's face of judging group photo
Position relationship, when group photo person face mutually by it is closer and when on same focal plane, terminal triggering camera is clapped automatically
According to the mode simple operation of this self-timer group photo can improve user experience and photographic quality.
Description of the drawings
Fig. 1 to realize the present invention the mobile terminal of each embodiment hardware configuration signal；
Fig. 2 is the schematic diagram for supporting the communication system to communicate between mobile terminal of the present invention；
Fig. 3 is the method flow diagram that a kind of self-timer of the embodiment of the present invention is taken a group photo.
Fig. 4 is that schematic diagram of the face close to degree is calculated in formula (1-1).
Fig. 5 is the schematic device that a kind of self-timer of the embodiment of the present invention is taken a group photo.
Fig. 6 is the method flow diagram that a kind of self-timer of specific example of the present invention is taken a group photo.
Fig. 7 is corresponding photo one in specific example of the present invention.
Fig. 8 is corresponding photo two in specific example of the present invention.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where there is no conflict, in the embodiment and embodiment in the application
Feature can mutually be combined.
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 present invention is realized in description with reference to the drawings.In subsequent description, use
For representing the suffix of such as " module ", " component " or " unit " of element only for being conducive to the explanation of the present invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention can include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
The mobile terminal of (portable media player), guider etc. and such as number 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 moving
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 to realize the present invention the mobile terminal of each embodiment hardware configuration signal.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part.More or fewer components 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, allows mobile terminal 100 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, it is at least one in 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 that the server or reception of broadcast singal and/or broadcast related information generate before
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..Moreover, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Closing 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, for example, it can be with the electronics of digital multimedia broadcasting (DMB)
Program guide (EPG), digital video broadcast-handheld (DVB-H) electronic service guidebooks (ESG) etc. form and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Particularly, broadcasting reception module 111
It can be wide by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video
It broadcasts-holds (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting integrated service
(ISDB-T) etc. digit broadcasting system receives digital broadcasting.Broadcasting reception module 111, which may be constructed such that, to be adapted to provide for extensively
Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.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 in server and/or receive from it radio signal.Such radio signal can lead to including voice
Talk about 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 (Wireless LAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is for supporting the module of short range communication.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is for checking or obtaining the module of the location information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated from three or more satellites
Range information and correct time information and for the Information application triangulation of calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended for the method for calculation position and temporal information using three
Star and the error that the position calculated and temporal information are corrected by using an other satellite.In addition, GPS module 115
It can be by Continuous plus current location information in real time come calculating speed information.
A/V input units 120 are used to receive audio or video signal.A/V input units 120 can include 121 He of camera
Microphone 1220, camera 121 in video acquisition mode or image capture mode by image capture apparatus obtain static map
The image data of piece or video is handled.Treated, and picture frame may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memory 160 (or other storage mediums) or be carried out via wireless communication unit 110
It sends, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould
Sound (voice data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be incited somebody to action
Such acoustic processing is voice data.Audio that treated (voice) data can be converted in the case of telephone calling model
For the output of the form of mobile communication base station can be sent to via mobile communication module 112.Microphone 122 can implement various types
Noise eliminate (or inhibit) algorithm with eliminate noise that (or inhibition) generate during audio signal is sended and received or
Person disturbs.
User input unit 130 can generate key input data to control each of mobile terminal according to order input by user
Kind operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch
Plate (for example, sensitive component of detection variation of resistance, pressure, capacitance etc. caused by by contact), idler wheel, rocking bar etc.
Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes 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
100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate to control mobile terminal 100
The order of operation or signal.For example, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense
The sliding-type phone is to open or close.In addition, sensing unit 140 can detect power supply unit 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140, which can include proximity sensor 1410, to be combined below
Touch-screen is described this.
Interface unit 170 be used as at least one external device (ED) be connected with mobile terminal 100 can by interface.For example,
External device (ED) can include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can store to verify that user uses each of mobile terminal 100
It plants information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device with identification module can (hereinafter referred to as " identification device ") take the form of smart card, therefore, know
Other device can be connected via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from
The input (for example, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 may be used as allowing through it by electricity
Power provides to the path of mobile terminal 100 from pedestal or may be used as allowing to pass through it from the various command signals that pedestal inputs
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal may be used as identifying that mobile terminal is
The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide with vision, audio and/or tactile manner defeated
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 handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display unit 151 can be shown with conversing or other communicating (for example, text messaging, multimedia file
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 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 tablet in the form of layer it is superposed on one another to form touch-screen when, display unit
151 may be used 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 so that user to be allowed to be watched from outside, 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 embodiment, mobile terminal 100 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 for detection to 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,
Speech recognition mode, broadcast reception mode are receiving or in memory 160 by wireless communication unit 110 when under isotypes
The voice data transducing audio signal of middle storage and output are sound.Moreover, dio Output Modules 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 performs.
Dio Output Modules 152 can include loud speaker, buzzer etc..
Alarm unit 153 can provide output notifying event to mobile terminal 100.Typical event can be with
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.For example, alarm unit 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incomingcommunication), alarm list
Member 153 can provide tactile output (that is, vibrating) to notify to user.It is exported by tactile as offer, even if
When the mobile phone of user is in the pocket of 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 of the processing performed by controller 180 and control operation 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 be stored on the vibrations of various modes and audio signal exported when touching and be applied to touch-screen
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
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 memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can be with performing memory by network connection
The network storage device cooperation of 160 store function.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 performs and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 can include reproducing (or playback) more matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180 or can be structured as and control
Device 180 processed separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input performed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Appropriate electric power needed for part and component.
Various embodiments described herein can with use such as computer software, hardware or any combination thereof calculating
Machine readable medium is implemented.Implement 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
Programming gate array (FPGA), processor, microcontroller, microprocessor, are designed to perform function described herein controller
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can be with allowing to perform the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any appropriate programming language Lai
Implement, software code can be stored in memory 160 and be performed by controller 180.
So far, oneself according to its function through describing mobile terminal.In the following, 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., which is used as, to be shown
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 100 as shown in Figure 1 may be constructed such that using via frame or grouping send data it is all if any
Line and wireless communication system and satellite-based communication system operate.
The communication system that can be operated referring now to Fig. 2 descriptions mobile terminal wherein according to the present invention.
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) (particularly, 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 introduction is equally applicable to other types of system.
With reference to figure 2, cdma wireless communication system can include multiple mobile terminals 100, multiple base stations (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.
Back haul link can be constructed according to any one of several known interfaces, the interface include such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction
Each subregion of line covering is radially away from BS270.Alternatively, each subregion can by be used for diversity reception two or more
Antenna covers.Each BS270, which may be constructed such that, supports multiple frequency distribution, and each frequency distribution has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which 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 ".Alternatively, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 100 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals
It is at least one in 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that, any number of satellite can be utilized to obtain useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate to obtain desired positioning letter with satellite 300
Breath.It substitutes GPS tracking techniques or outside GPS tracking techniques, the other of the position that can track mobile terminal can be used
Technology.In addition, at least one GPS satellite 300 can optionally or additionally handle 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 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 receives each anti-
It is handled to link signal in specific BS270.The data of acquisition are forwarded to relevant BSC275.BSC provides call
Resource allocation and the mobile management function of coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, provide to form the additional route service of 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 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the method for the present invention is proposed.
As shown in figure 3, the method that the embodiment of the present invention proposes a kind of self-timer group photo, applied to terminal, including：
S301, under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Wherein, the face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, it is when the face number identified is more than one, area is maximum
Face of the face that is focused on of two recognition of face frames as group photo person；
S302, the position relationship between the person's face that determines group photo；
Wherein, the position relationship between the definite group photo person face, including：
Determining group photo, whether the facial of person is on same focal plane and whether close to each other；
Wherein, whether the face of the definite group photo person is on same focal plane, including：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two are judged
The face of group photo person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons is smaller than r
In or equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face of the first group photo person than r
The area s2, s1 of the recognition of face frame of the area s1 of frame divided by the second group photo person are less than or equal to s2；
Wherein, the first threshold is 0.8；
Wherein, whether the face of the definite group photo person is close to each other, including：
Calculate the close degree t of two group photo person faces；
If the close degree t of two group photo person faces is more than second threshold, judging group photo, person is close to each other；If two
The close degree t of a group photo person face is less than or equal to second threshold, then judging group photo, person is not close to each other；
Wherein, the close degree t for calculating two group photo person faces, may be employed in the following manner and is calculated：
Wherein, as shown in figure 4, the central point of the recognition of face frame of the first group photo person is A1, the face of the second group photo person is known
The central point of other frame is B1, the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person
Intersection point is A2, and the central point line of the recognition of face frame of two group photo persons and the intersection point of the recognition of face frame of the second group photo person are
The distance of B2, A1 point and B1 points is s, and the distance of A1 points and A2 points is da, and the distance of B1 points and B2 points is db；
Wherein, the distance between 2 points can be by the use of pixel as linear module；
Wherein, the second threshold is 0.8；
S303, when the position relationship between judging the face of group photo person is suitble to shooting to take a group photo, triggering camera is shot.
Wherein, the position relationship between the face for judging group photo person is suitble to shooting to take a group photo, including：
Judge that the face of group photo person is on same focal plane and close to each other；
Wherein, the triggering camera is shot, including：Prompt tone is sent, and triggers camera and is shot.
As shown in figure 5, an embodiment of the present invention provides a kind of device of self-timer group photo, applied to terminal, which is characterized in that
Including：
Face detection module 501, under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Position computation module 502, for the position relationship between the person's face that determines group photo；
Taking module 503, for when the position relationship between judging the face of group photo person is suitble to shooting to take a group photo, triggering phase
Machine is shot.
Wherein, position computation module 502, for the position relationship between the person's face that determines group photo, including：
Determining group photo, whether the facial of person is on same focal plane and whether close to each other.
Wherein, taking module 503 are suitble to shooting to take a group photo for the position relationship between the face for the person that judges group photo, including：
Judge that the face of group photo person is on same focal plane and close to each other.
Wherein, position computation module 502, for determining group photo, whether the facial of person is in same focal plane, including：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two are judged
The face of group photo person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons is smaller than r
In or equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face of the first group photo person than r
The area s2, s1 of the recognition of face frame of the area s1 of frame divided by the second group photo person are less than or equal to s2.
Wherein, position computation module 502, it is whether close to each other for the face for the person that determines group photo, including：
Calculate the close degree t of two group photo person faces；
If the close degree t of two group photo person faces is more than second threshold, judging group photo, person is close to each other；If two
The close degree t of a group photo person face is less than or equal to second threshold, then judging group photo, person is not close to each other.
Wherein, position computation module 502 for calculating the close degree t of two group photo person faces, may be employed with lower section
Formula is calculated：
Wherein, as shown in figure 4, the central point of the recognition of face frame of the first group photo person is A1, the face of the second group photo person is known
The central point of other frame is B1, the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person
Intersection point is A2, and the central point line of the recognition of face frame of two group photo persons and the intersection point of the recognition of face frame of the second group photo person are
The distance of B2, A1 point and B1 points is s, and the distance of A1 points and A2 points is da, and the distance of B1 points and B2 points is db.
Wherein, face detection module 501, for the face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, it is when the face number identified is more than one, area is maximum
Face of the face that is focused on of two recognition of face frames as group photo person.
Wherein, taking module 503 are shot for triggering camera, including：Prompt tone is sent, and triggers camera progress
Shooting.
Specific example
As shown in fig. 6, by taking mobile phone as an example, a kind of method of self-timer group photo specifically includes following steps：
Step S601, user select self-timer group photo pattern；
Step S602, handset identity face number；
Step S603 judges that face number is to perform step S604 whether more than one, otherwise return to step S602；
Step S604 selects face corresponding face frame of two face frames as group photo person of area maximum；
Step S605, the area for calculating the two face frames selected compare r；
Wherein, r=s1/s2, s1 are the area of first man face frame, and s2 is the area of second face frame, s1 be less than or
Equal to s2；
Step S606, judges whether r is more than first threshold, is to perform step S607, otherwise return to step S602；
Wherein, the first threshold is 0.8；
Step S607 calculates the close degree of two faces；
It is remote that the absolute distance of two faces on the image is smaller when taking pictures, and when closely taking pictures, two faces exist
Absolute distance on image is larger.In order to accurately judge the different close degree taken pictures apart from lower two faces, it is necessary to will
The size of face also includes calculating.Therefore, face is judged using the size of face frame and the ratio of the distance between face
Close to degree.
Close degree t between two human faces is calculated using the following formula, specifically：
Wherein, as shown in figure 4, the central point of first man face frame is A1, the central point of second face frame is B1, two
The central point line of face frame and the intersection point of first man face frame are A2, the central point line and second face of two face frames
The intersection point of frame is B2, and the distance of A1 points and B1 points is s, and the distance of A1 points and A2 points is da, and the distance of B1 points and B2 points is db；Its
In, the distance between 2 points can be by the use of pixel as linear module；
By taking Fig. 7 as an example, da is 188 pixels, and db is 224 pixels, and s is 896 pixels, then can calculate two human faces
Close degree t be (188+224)/896=45.9%；
By taking Fig. 8 as an example, da is 336 pixels, and db is 320 pixels, and s is 640 pixels, calculates the close of two human faces
Degree t is (336+320)/640=102.5%；
Step S608, judges whether the close degree t between two human faces is more than second threshold, is to perform step
S609；
Wherein, the second threshold is 0.8；
By taking Fig. 7 as an example, the close degree t between two human faces is 45.9%, much smaller than 80%, illustrates the face of two people also
It is not close enough, do not meet the condition of shooting group photo；
By taking Fig. 8 as an example, the close degree t between two human faces is 102.5%, more than 80%, illustrates the face foot of two people
It is enough close, meet the condition of shooting group photo.
Step S609 sends prompt tone, triggering camera shooting group photo；
The method and apparatus for the self-timer group photo that above-described embodiment provides, using between recognition of face person's face of judging group photo
Position relationship, when group photo person face mutually by it is closer and when on same focal plane, terminal triggering camera is clapped automatically
According to the mode simple operation of this self-timer group photo can improve user experience and photographic quality.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes as this process, method, article or device institute inherently
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
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 embodiment.Based on such understanding, technical scheme substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes
Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of method of self-timer group photo, applied to terminal, which is characterized in that the method includes the steps：
Under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Determining group photo, whether person's face on same focal plane and close to each other；
It is in the face for judging group photo person on same focal plane and when close to each other, triggering camera is shot；
Whether the face of the definite group photo person is close to each other, including：
Calculate the close degree t of two group photo person faces；
When the close degree t of two group photo person faces is more than predetermined threshold value, judge that group photo person's face is close to each other；Wherein,
<mrow>
<mi>t</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>d</mi>
<mi>a</mi>
<mo>+</mo>
<mi>d</mi>
<mi>b</mi>
</mrow>
<mi>s</mi>
</mfrac>
<mo>;</mo>
</mrow>
Wherein, if the central point of the recognition of face frame of the first group photo person is A1, the central point of the recognition of face frame of the second group photo person
For B1, the intersection point of the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person is A2, two
The intersection point of the central point line of the recognition of face frame of a group photo person and the recognition of face frame of the second group photo person is B2；
S is the distance of the A1 points and B1 points, and da is the distance of the A1 points and A2 points, db be the B1 points with B2 points away from
From.
2. the method as described in claim 1, it is characterised in that：
Whether the face of the definite group photo person is on same focal plane, including：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two group photos are judged
The face of person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons be less than than r or
Equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face frame of the first group photo person than r
The area s2, s1 of the recognition of face frame of area s1 divided by the second group photo person are less than or equal to s2.
3. method as claimed in claim 1 or 2, it is characterised in that：
The face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, when the face number identified is more than one, by the two of area maximum
Face of the face that a recognition of face frame is focused on as group photo person.
4. a kind of device of self-timer group photo, applied to terminal, which is characterized in that including：
Face detection module, under self-timer group photo pattern, based on the face of the recognition of face person that determines group photo；
Position computation module, for determining group photo, whether person on same focal plane and close to each other；
Taking module, for judge group photo person face be on same focal plane and when close to each other, trigger camera into
Row shooting；
Whether the face of the definite group photo person is close to each other, including：
Calculate the close degree t of two group photo person faces；
When the close degree t of two group photo person faces is more than predetermined threshold value, judge that group photo person's face is close to each other；Wherein,
<mrow>
<mi>t</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>d</mi>
<mi>a</mi>
<mo>+</mo>
<mi>d</mi>
<mi>b</mi>
</mrow>
<mi>s</mi>
</mfrac>
<mo>;</mo>
</mrow>
Wherein, if the central point of the recognition of face frame of the first group photo person is A1, the central point of the recognition of face frame of the second group photo person
For B1, the intersection point of the recognition of face frame of the central point line of the recognition of face frame of two group photo persons and the first group photo person is A2, two
The intersection point of the central point line of the recognition of face frame of a group photo person and the recognition of face frame of the second group photo person is B2；
S is the distance of the A1 points and B1 points, and da is the distance of the A1 points and A2 points, db be the B1 points with B2 points away from
From.
5. device as claimed in claim 4, it is characterised in that：
The position computation module, for determining group photo, whether the facial of person is in same focal plane, including：
If the area of the corresponding recognition of face frame of face of two group photo persons is more than first threshold than r, two group photos are judged
The face of person is on same focal plane；If the area of the corresponding recognition of face frame of face of two group photo persons be less than than r or
Equal to first threshold, then judge that the face of two group photo persons is not on same focal plane；
Wherein, the area of the corresponding recognition of face frame of face of two group photo persons is the recognition of face frame of the first group photo person than r
The area s2, s1 of the recognition of face frame of area s1 divided by the second group photo person are less than or equal to s2.
6. device as described in claim 4 or 5, it is characterised in that：
The face detection module, for the face based on the recognition of face person that determines group photo, including：
Recognition of face is carried out to the face of reference object, when the face number identified is more than one, by the two of area maximum
Face of the face that a recognition of face frame is focused on as group photo person.
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| CN201510727210.5A CN105430258B (en) | 2015-10-30 | 2015-10-30 | A kind of method and apparatus of self-timer group photo |
| PCT/CN2016/102848 WO2017071532A1 (en) | 2015-10-30 | 2016-10-21 | Group selfie photography method and apparatus |
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| CN105430258B (en) * | 2015-10-30 | 2018-06-01 | 努比亚技术有限公司 | A kind of method and apparatus of self-timer group photo |
| CN106231200B (en) * | 2016-08-29 | 2018-12-11 | 广东欧珀移动通信有限公司 | A kind of photographic method and device |
| CN106355549A (en) * | 2016-09-30 | 2017-01-25 | 北京小米移动软件有限公司 | Photographing method and equipment |
| CN109040643B (en) * | 2018-07-18 | 2021-04-20 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and remote group photo method and device |
| CN111246078A (en) * | 2018-11-29 | 2020-06-05 | 北京小米移动软件有限公司 | Image processing method and device |
| CN112200023B (en) * | 2020-09-24 | 2023-03-28 | 上海新氦类脑智能科技有限公司 | Crowd interaction based intelligent image acquisition and interaction method, system, terminal and medium |
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| JP4656331B2 (en) * | 2006-12-27 | 2011-03-23 | 富士フイルム株式会社 | Imaging apparatus and imaging method |
| JP5060233B2 (en) * | 2007-09-25 | 2012-10-31 | 富士フイルム株式会社 | Imaging apparatus and automatic photographing method thereof |
| JP5144422B2 (en) * | 2007-09-28 | 2013-02-13 | 富士フイルム株式会社 | Imaging apparatus and imaging method |
| KR101362765B1 (en) * | 2007-11-07 | 2014-02-13 | 삼성전자주식회사 | Photographing device and control method of the photographing device |
| JP4944055B2 (en) * | 2008-03-19 | 2012-05-30 | 富士フイルム株式会社 | Imaging apparatus and imaging control method |
| CN103186763B (en) * | 2011-12-28 | 2017-07-21 | 富泰华工业（深圳）有限公司 | Face identification system and method |
| CN102932596A (en) * | 2012-10-26 | 2013-02-13 | 广东欧珀移动通信有限公司 | Photographing method and device and mobile terminal |
| CN105430258B (en) * | 2015-10-30 | 2018-06-01 | 努比亚技术有限公司 | A kind of method and apparatus of self-timer group photo |
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