CN108322644A - A kind of image processing method, mobile terminal and computer readable storage medium - Google Patents
A kind of image processing method, mobile terminal and computer readable storage medium Download PDFInfo
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- CN108322644A CN108322644A CN201810052104.5A CN201810052104A CN108322644A CN 108322644 A CN108322644 A CN 108322644A CN 201810052104 A CN201810052104 A CN 201810052104A CN 108322644 A CN108322644 A CN 108322644A
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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
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
Abstract
The invention discloses a kind of image processing methods, calculate the depth of view information of the first image acquired by dual camera；The target subject of described first image is extracted according to the depth of view information；The target subject is zoomed in and out into processing；The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.The invention also discloses a kind of mobile terminal and computer readable storage mediums, it solves and is needed in the related technology by the external shifting lens shaft shooting of slr camera, along with photo post-processing can just obtain shooting scaling main body effect class image problem complicated for operation, the separation of target subject is carried out by the image shot to dual camera, scaling main body effect class image can be obtained by carrying out fusion treatment just with background after target subject is scaled, it is easy to operate, effect also more vivid and interesting, improves user experience.
Description
Technical field
The present invention relates to a kind of mobile communication technology field more particularly to image processing method, mobile terminal and calculating
Machine readable storage medium storing program for executing.
Background technology
With the development of mobile Internet and popularizing for intelligent mobile terminal, the user group of intelligent mobile terminal is increasingly
Greatly, while also more intelligence, the demand of hommization are proposed to software.
In existing technology, intelligent mobile terminal in fact, although may be used also as a game machine or television set by user
Can be a learning machine, it is also possible to which more enjoyment are brought in the paradise etc. for becoming baby to our life.
As user is to gradually increasing mobile terminal dependence, the application of user in the terminal also increasingly increases
More, people are more and more taken pictures using mobile phone camera, pursue aesthetic feeling and experience sense that various individual characteies are taken pictures.It is current mobile
Taking pictures for terminal can be taken pictures using twin-lens, and camera, which is used to measure, shoots that the depth of field of object, another takes the photograph
As head is for shooting object, a photo then is synthesized to the information captured by two cameras.
For the photo of shooting scaling main body effect class, it can only shoot, add by the external shifting lens shaft of slr camera
Photo post-processing just can reach this effect, though having terminal to have based on the shifting axis special effect processing singly taken the photograph at present, effect often reaches
Less than.
For needing, by slr camera external shifting lens shaft shooting, to add photo post-processing ability in the related technology
Shooting scaling main body effect class image problem complicated for operation is obtained, not yet proposes solution at present.
Invention content
It is a primary object of the present invention to propose a kind of image processing method, mobile terminal and computer-readable storage medium
Matter, it is intended to which solution needs, by the external shifting lens shaft shooting of slr camera, to add photo post-processing ability in the related technology
Obtain shooting scaling main body effect class photo problem complicated for operation.
To achieve the above object, the embodiment of the present invention proposes a kind of image processing method, including：
Calculate the depth of view information of the first image acquired by dual camera；
The target subject of described first image is extracted according to the depth of view information；
The target subject is zoomed in and out into processing；
The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.
Optionally, the background of the target subject and acquisition after scaling processing is carried out fusion treatment includes：
The background of described first image is obtained, and the background of described first image is subjected to virtualization processing；
By the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment.
Optionally, by the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment packet
It includes：
In the case where being reduced according to predetermined ratio to the target subject, it will reduce that treated that the target subject is set
It sets in virtualization treated the background, extracts the color of the background at the target subject edge；Pass through the institute of extraction
State color color filling is carried out to the edge of the target subject and blur after processing with virtualization treated the background into
Row fusion；
In the case where amplifying according to predetermined ratio to the target subject, the target setting after enhanced processing is existed
In virtualization treated the background, in a manner of covering region of the target subject in described first image at virtualization
The background after reason is merged.
Optionally, the target subject for described first image being extracted according to the depth of view information includes：
The target subject of described first image is detached with background, extracts the target subject of described first image.
Optionally, the background of the target subject and acquisition after scaling processing is carried out fusion treatment includes：
The target subject is arranged in preview screen to be captured；
It shoots to obtain the second image for merging the target subject by the dual camera.
Optionally, after being arranged the target subject in preview screen to be captured, the method further includes：
The transparency of the target subject is adjusted to preset value.
Optionally, before shooting second image by the dual camera, the method further includes：
Adjust position of the target subject in the preview screen.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of mobile terminal, and the mobile terminal includes：Processing
Device, memory and communication bus, wherein
The communication bus, for realizing the connection communication between the processor and the memory；
The processor, for executing the image processing program stored in memory, to realize following steps：
Calculate the depth of view information of the first image acquired by dual camera；
The target subject of described first image is extracted according to the depth of view information；
The target subject is zoomed in and out into processing；
The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The background of described first image is obtained, and the background of described first image is subjected to virtualization processing；
By the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
In the case where being reduced according to predetermined ratio to the target subject, it will reduce that treated that the target subject is set
It sets in virtualization treated the background, extracts the color of the background at the target subject edge；Pass through the institute of extraction
State color color filling is carried out to the edge of the target subject and blur after processing with virtualization treated the background into
Row fusion；
In the case where amplifying according to predetermined ratio to the target subject, the target setting after enhanced processing is existed
In virtualization treated the background, in a manner of covering region of the target subject in described first image at virtualization
The background after reason is merged.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The target subject of described first image is detached with background, extracts the target subject of described first image.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The target subject is arranged in preview screen to be captured；
It shoots to obtain the second image for merging the target subject by the dual camera.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
After being arranged the target subject in preview screen to be captured, by the transparency tune of the target subject
Whole is preset value.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
Before shooting second image by the dual camera, the target subject is adjusted in the preview screen
In position.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of computer readable storage medium, the computer
Readable storage medium storing program for executing is stored with one or more program, and one or more of programs can be by one or more processor
It executes, the step of to realize above-mentioned image processing method.
Through the invention, the depth of view information of the first image acquired by dual camera is calculated；According to the depth of view information
Extract the target subject of described first image；The target subject is zoomed in and out into processing；By the mesh after scaling processing
The background for marking main body and acquisition carries out fusion treatment, solves and needs to clap by the external shifting lens shaft of slr camera in the related technology
It takes the photograph, along with photo post-processing can just obtain shooting scaling main body effect class image problem complicated for operation, by being taken the photograph to double
The image shot as head carries out the separation of target subject, and carrying out fusion treatment with background after target subject is scaled just can be contracted
Main body effect class image is put, easy to operate, effect also more vivid and interesting improves user experience.
Description of the drawings
The hardware architecture diagram of Fig. 1 one optional mobile terminals of each embodiment to realize the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the flow chart of image processing method according to the ... of the embodiment of the present invention；
Fig. 4 is the schematic diagram one of effect class image procossing according to the preferred embodiment of the invention；
Fig. 5 is the schematic diagram two of effect class image procossing according to the preferred embodiment of the invention；
Fig. 6 is the schematic diagram three of effect class image procossing according to the preferred embodiment of the invention；
Fig. 7 is the schematic diagram three of effect class image procossing according to the preferred embodiment of the invention；
Fig. 8 is the schematic diagram of stereoscopic imaging apparatus according to the ... of the embodiment of the present invention；
Fig. 9 is the schematic diagram one of binocular ranging basic principle according to the ... of the embodiment of the present invention；
Figure 10 is the schematic diagram two of binocular ranging basic principle according to the ... of the embodiment of the present invention；
Figure 11 is the schematic diagram three of binocular ranging basic principle according to the ... of the embodiment of the present invention；
Figure 12 is the block diagram of mobile terminal according to the ... of the embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
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.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, tablet
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
The shiftings such as media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer
The fixed terminals such as dynamic terminal, and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware architecture diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Moving terminal 100 may include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram,
Either combine certain components or different components arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by radio communication.Above-mentioned wireless communication can use any communication
Standard or agreement, including but not limited to GSM (Global System ofMobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to be omitted in the range for the essence for not changing invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, it is that radio frequency unit 101 or WiFi module 102 are received or
The audio data stored in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103
The relevant audio output of specific function executed with mobile terminal 100 can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 may include loud speaker, buzzer etc..
A/V input units 104 are for receiving audio or video signal.A/V input units 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained by image capture apparatus (such as camera) in image capture mode carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061o
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family is arranged and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
It is one or more, do not limit herein specifically.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be to realize the function that outputs and inputs of mobile terminal as two independent components, but in certain embodiments, can
It realizes the function that outputs and inputs of mobile terminal with touch panel 1071 is integrated with display panel 1061 and does not do herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For the transmission data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can include mainly storing program area
And storage data field, wherein storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out whole monitoring to mobile terminal.Processing
Device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulation /demodulation processing
Device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is mainly located
Reason wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Embodiment to facilitate the understanding of the present invention, below to the communications network system that is based on of mobile terminal of the present invention into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
System is the LTE system of universal mobile communications technology, which includes communicating UE (User Equipment, the use of connection successively
Family equipment) (the lands Evolved UMTS Terrestrial Radio Access Network, evolved UMTS 201, E-UTRAN
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 may include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and some are preserved in relation to use such as service features, data rates
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 may include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And the following new network system etc., it does not limit herein.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each embodiment of the method for the present invention is proposed.
Embodiment 1
Based on above-mentioned mobile terminal, an embodiment of the present invention provides a kind of image processing method, Fig. 3 is according to the present invention
The flow chart of the image processing method of embodiment, as shown in figure 3, this approach includes the following steps：
Step S301 calculates the depth of view information of the first image acquired by dual camera；
Step S302 extracts the target subject of described first image according to the depth of view information；
The target subject is zoomed in and out processing by step S303；
The background of the target subject and acquisition after scaling processing is carried out fusion treatment by step S304.
Through the above steps, the depth of view information of the first image acquired by dual camera is calculated；Believed according to the depth of field
Breath extracts the target subject of described first image；The target subject is zoomed in and out into processing；Described in after scaling processing
Target subject and the background of acquisition carry out fusion treatment, solve and are needed in the related technology by the external shifting lens shaft of slr camera
Shooting, along with photo post-processing can just obtain shooting scaling main body effect class image problem complicated for operation, by double
The image of camera shooting carries out the separation of target subject, and carrying out fusion treatment with background after target subject is scaled just can obtain
Main body effect class image is scaled, easy to operate, effect also more vivid and interesting improves user experience.
Optionally, the background of the target subject and acquisition after scaling processing is carried out fusion treatment may include：It obtains
The background of described first image is taken, and the background of described first image is subjected to virtualization processing；By the mesh after scaling processing
Mark main body and virtualization treated that the background carries out fusion treatment.Further, by the target subject after scaling processing
Treated that the background carries out fusion treatment includes with virtualization：The case where being reduced according to predetermined ratio to the target subject
Under, the target subject setting that will reduce that treated extracts the target subject side in virtualization treated the background
The color of the background of edge；The edge of the target subject is carried out at color filling and virtualization by the color of extraction
Treated that the background is merged with virtualization after reason；The case where amplifying according to predetermined ratio to the target subject
Under, by the target setting after enhanced processing in virtualization treated the background, to cover the target subject in institute
State the mode in the region in the first image and virtualization treated that the background is merged.
Fig. 4 is the schematic diagram one of effect class image procossing according to the preferred embodiment of the invention, as shown in figure 4, user is logical
The dual camera for crossing mobile terminal shoots to obtain the first image, and mobile terminal receives user and triggers touching for effect class image procossing
Send instructions, image is handled according to triggering command startup, calculates the depth of view information of the first image, according to depth of view information by mesh
Mark main body is extracted from background, and in figure, target subject is behaved, by people after being extracted in image, just with the figure that suspends
The mode of layer is suspended in the first image, at this point, user can work as user according to the size of the hobby adjustment target subject of oneself
When choosing target subject, four angles of target subject are rendered as adjustable state, can be adjusted by way of dragging four angles
The size of target subject.
In an alternative embodiment, Fig. 5 is the signal of effect class image procossing according to the preferred embodiment of the invention
Figure two, as shown in figure 5, an amplification target main body in four angles of the user by adjusting target subject, mobile terminal receive
To the amplification instruction of amplification target main body, which is amplified according to the amplification instruction, the multiple of amplification can carry out in advance
Setting can also be amplified processing according to the distance that user drags.After target subject is amplified, user can also be adjusted
The position in the background of amplified target subject, can directly drag target main body change its position, adjusting target
After the size and location of main body, user clicks the completing button for completing editor, after mobile terminal receives instruction, just completes effect
The generation of fruit image.
In another optional embodiment, Fig. 6 is showing for effect class image procossing according to the preferred embodiment of the invention
It is intended to three, as shown in fig. 6, a diminution target subject in four angles of the user by adjusting target subject, mobile terminal connect
The diminution instruction for reducing target subject is received, is instructed according to the diminution and reduces the target subject, the multiple of diminution can be pre- advanced
Row setting can also carry out diminution processing according to the distance that user drags.After target subject is reduced, for extracting the mesh
The white space left in the background after mark main body needs to carry out virtualization processing in order to enable the image effect after fusion is more preferable,
The target subject setting that will reduce that treated extracts the target subject edge in virtualization treated the background
The color of the background carries out color filling to the edge of the target subject by the color of extraction and blurs processing,
The sky that the color of the background at the target subject edge i.e. by former target subject in the background leaves target subject after extraction
White region carries out color filling, carries out virtualization processing later, and user can also adjust the target subject after reducing in the background
Position, can directly drag target main body change its position, after adjusting the size and location of target subject, Yong Hudian
The completing button for completing editor is hit, after mobile terminal receives instruction, just completes the generation of effect class image.
Optionally, the target subject for described first image being extracted according to the depth of view information includes：By first figure
The target subject of picture is detached with background, extracts the target subject of described first image.It further, will be after scaling processing
The target subject and acquisition background carry out fusion treatment include：The target subject is arranged in preview picture to be captured
In face；It shoots to obtain the second image for merging the target subject by the dual camera.
Optionally, after being arranged the target subject in preview screen to be captured, the method further includes：It will
The transparency of the target subject is adjusted to preset value.
Optionally, before shooting second image by the dual camera, the method further includes：Described in adjustment
Position of the target subject in the preview screen.
User shoots to obtain the first image by the dual camera of mobile terminal, and mobile terminal receives user and triggers effect
The triggering command of class image procossing handles image according to triggering command startup, calculates the depth of view information of the first image, root
Target subject is extracted from background according to depth of view information, as shown in figure 4, target subject is behaved, people is extracted from image
After out, the target subject is arranged in preview screen to be captured, can be suspended in and be waited in a manner of suspension figure layer
In the preview screen of shooting, at this point, user can be according to the size of the hobby adjustment target subject of oneself, when user chooses target
When main body, four angles of target subject are rendered as adjustable state, can adjust target subject by way of dragging four angles
Size.In an alternative embodiment, Fig. 7 is the schematic diagram of effect class image procossing according to the preferred embodiment of the invention
Three, as shown in fig. 7, a diminution target subject in four angles of the user by adjusting target subject, mobile terminal receive
The diminution instruction for reducing target subject, instructs according to the diminution and reduces the target subject, the multiple of diminution can be set in advance
It sets, diminution processing can also be carried out according to the distance that user drags.After target subject is reduced, user can also adjust contracting
The position in preview screen of target subject after small, can directly drag target main body change its position, adjusting mesh
After the size and location for marking main body, user clicks shooting button, shoots to obtain by the dual camera and merges the target
Second image of main body.In another optional embodiment, in four angles that user can also be by adjusting target subject
One amplification target main body, mobile terminal receive the amplification instruction of amplification target main body, amplify the mesh according to the amplification instruction
Main body is marked, the multiple of amplification can be configured in advance, can also be amplified processing according to the distance that user drags.Work as target
After main body is amplified, user can also adjust the position in preview screen of amplified target subject, can directly drag
Moving-target main body changes its position, and after adjusting the size and location of target subject, user clicks shooting button, passes through institute
Dual camera is stated to shoot to obtain the second image for merging the target subject.
In the embodiment of the present invention, the depth of view information of image is obtained in the following manner, Fig. 8 is according to the ... of the embodiment of the present invention
The schematic diagram of stereoscopic imaging apparatus, as shown in figure 8, stereoscopic imaging apparatus is made of two or more digital camera heads, these are taken the photograph
As head relative position is fixed, image can be acquired with different view in synchronization.11 and 12 be two digital camera heads, and 13 are
The connecting component of two cameras.11 and 12 are fixed in connecting component 13.This imaging system can obtain two in synchronization
Photos, this two photos transfer to subsequent module for processing, can be used for follow-up three-dimensional correction, Stereo matching, the depth of field and measure.By this
The depth of view information that first camera and the second camera obtain all target persons in collective's photo includes：Pass through binocular
Ranging platform or depth transducer obtain the depth information of scene.
Depth measuring module obtains the photo of the different visual angles of stereoscopic imaging apparatus shooting, to foreground part in two photos
Region generates depth map using stereoscopic measurement method.A kind of specific implementation mode is given below.
Fig. 9 is the schematic diagram one of binocular ranging basic principle according to the ... of the embodiment of the present invention, as shown in figure 9, binocular vision
It is simulation human vision principle, uses the method for the passive perceived distance of computer.An object from two or more points,
Obtain the image under different visual angles.
P is certain point in physical space, and c1 and c2 are that two video cameras are watched from different location,M and m ' is p in different phases
Image space in machine.
According to the matching relationship of pixel between image, the offset between pixel is calculated by principle of triangulation to obtain
The three-dimensional information of object.Figure 10 is the schematic diagram two of binocular ranging basic principle according to the ... of the embodiment of the present invention, as shown in Figure 10,
P is certain point in space, and O1 and Or are respectively two camera centers in left and right, x1 and the imaging point that xr is the right and left.
The parallax d=xl-xr of imaging points of the point P in left images, the distance Zo of P points is calculated using following formula
Wherein f is the focal length of two digital camera heads in stereoscopic imaging apparatus (it is assumed that two camera focal lengths one
Sample), T is the spacing between two digital camera heads.
Stereo Matching Algorithm mainly gets up x1 and xr Corresponding matchings.Figure 11 is that binocular according to the ... of the embodiment of the present invention is surveyed
Schematic diagram three away from basic principle, as shown in figure 11, a point p in reference picture is scanned in an other sub-picture, is found out
With the most similar pixel q of p, the definition for reaching matching similitude is：The local gray level window difference of two pixels
Value is minimum.
The depth of view information of object is obtained, so that it may which, to calculate the actual range between object and camera, object dimensional is big
It is small, actual range between 2 points；Depth transducer is then to obtain scene using actively emitting infrared light and in the scene reflect
Range information.It can to being identified by the target person in first camera and the photo of second camera shooting
To include：Image segmentation is carried out in conjunction with depth image and original image, isolates the target person and target context.
Since the distance apart from video camera of subject goal and background area of scene is different, subject goal and background area
Depth value also can be different, this provides a georeferencing feature for the separation of subsequent main body and background image, is conducive to figure
As the accuracy of partitioning algorithm.
Traditional image segmentation algorithm is carried out in 2D planes, has lacked the space length feature of scene this important information,
Image segmentation algorithm is difficult generally the background and subject goal being precisely separating out in scene, using depth information of scene, in conjunction with biography
The epidemic algorithms of system such as figure cuts algorithm or meanshift algorithms carry out main body and background image segmentation.
After image segmentation algorithm obtains different image-regions, it is also necessary to by morphological operation by the profile of image into
Row extraction, the filling of region interior void, ensure the integrality in image segmentation region.
The embodiment of the present invention takes the photograph shooting by double, is cooperated using the division of labor of two camera lenses, and the depth of field calculates, and main body obtains
It taking, double exposure processing carries out uniform zoom to main body, again shooting background, adjusts body position, then do fusion treatment, with
This is the same as the main body for shooting different zoom ratio under standard scene.It specifically includes：Double cameras start preview, and shooting calculates the depth of field
Information plucks out main body, blurs background, selection main body is carried out scaled down or amplification, then be placed in collude and be shot under scape together
There is zooming effect photo under one scene；Two film,faults of shooting are needed under another different scenes, are achieved, and are utilized for the first time double
Startup preview is taken the photograph, is shot, depth of view information is calculated, plucks out target subject, removes background.Using double exposure techniques, by target subject
It is arranged to 0% transparency, carries out equal proportion scaling and be arranged in the preview screen for preparing second of shooting, according to actual conditions tune
Whole position, shooting are completed, do fusion treatment, can so take the photo with main body zooming effect under standard scene.
Embodiment 2
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of mobile terminal, and Figure 12 is implemented according to the present invention
The block diagram of the mobile terminal of example, as shown in figure 12, the mobile terminal includes：Processor, memory and communication bus, wherein
The communication bus, for realizing the connection communication between the processor and the memory；
The processor, for executing the image processing program stored in memory, to realize following steps：
Calculate the depth of view information of the first image acquired by dual camera；
The target subject of described first image is extracted according to the depth of view information；
The target subject is zoomed in and out into processing；
The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The background of described first image is obtained, and the background of described first image is subjected to virtualization processing；
By the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
In the case where being reduced according to predetermined ratio to the target subject, it will reduce that treated that the target subject is set
It sets in virtualization treated the background, extracts the color of the background at the target subject edge；Pass through the institute of extraction
State color color filling is carried out to the edge of the target subject and blur after processing with virtualization treated the background into
Row fusion；
In the case where amplifying according to predetermined ratio to the target subject, the target setting after enhanced processing is existed
In virtualization treated the background, in a manner of covering region of the target subject in described first image at virtualization
The background after reason is merged.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The target subject of described first image is detached with background, extracts the target subject of described first image.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
The target subject is arranged in preview screen to be captured；
It shoots to obtain the second image for merging the target subject by the dual camera.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
After being arranged the target subject in preview screen to be captured, by the transparency tune of the target subject
Whole is preset value.
Optionally, the processor is additionally operable to execute image processing program, to realize following steps：
Before shooting second image by the dual camera, the target subject is adjusted in the preview screen
In position.
Embodiment 3
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of computer readable storage medium, the computer
Readable storage medium storing program for executing is stored with one or more program, and one or more of programs can be by one or more processor
It executes, to realize the following steps of above-mentioned image processing method：
S11 calculates the depth of view information of the first image acquired by dual camera；
S12 extracts the target subject of described first image according to the depth of view information；
The target subject is zoomed in and out processing by S13；
The background of the target subject and acquisition after scaling processing is carried out fusion treatment by S14.
The embodiment of the present invention calculates the depth of view information of the first image acquired by dual camera；Believed according to the depth of field
Breath extracts the target subject of described first image；The target subject is zoomed in and out into processing；Described in after scaling processing
Target subject and the background of acquisition carry out fusion treatment, solve and are needed in the related technology by the external shifting lens shaft of slr camera
Shooting, along with photo post-processing can just obtain shooting scaling main body effect class image problem complicated for operation, by double
The image of camera shooting carries out the separation of target subject, and carrying out fusion treatment with background after target subject is scaled just can obtain
Main body effect class image is scaled, easy to operate, effect also more vivid and interesting improves user experience.
It should be noted that herein, the terms "include", "comprise" 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 include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including
There is also other identical elements in the process of the element, method, article or device.
The embodiments of the present invention are for illustration only, can 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 this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of image processing method, which is characterized in that including：
Calculate the depth of view information of the first image acquired by dual camera；
The target subject of described first image is extracted according to the depth of view information；
The target subject is zoomed in and out into processing；
The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.
2. according to the method described in claim 1, it is characterized in that, by the back of the body of the target subject and acquisition after scaling processing
Scape carries out fusion treatment：
The background of described first image is obtained, and the background of described first image is subjected to virtualization processing；
By the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment.
3. according to the method described in claim 2, it is characterized in that, the target subject after scaling processing is handled with virtualization
The background afterwards carries out fusion treatment：
In the case where being reduced according to predetermined ratio to the target subject, reducing that treated, target subject setting exists
In virtualization treated the background, the color of the background at the target subject edge is extracted；Pass through the face of extraction
Color carries out color filling to the edge of the target subject and blurs after processing that treated that the background is melted with virtualization
It closes；
In the case where amplifying according to predetermined ratio to the target subject, the target setting after enhanced processing is being blurred
In the background that treated, after being handled with virtualization in a manner of covering region of the target subject in described first image
The background merged.
4. according to the method in claim 2 or 3, which is characterized in that extract first figure according to the depth of view information
The target subject of picture includes：
The target subject of described first image is detached with background, extracts the target subject of described first image.
5. according to the method described in claim 1, it is characterized in that, by the back of the body of the target subject and acquisition after scaling processing
Scape carries out fusion treatment：
The target subject is arranged in preview screen to be captured；
It shoots to obtain the second image for merging the target subject by the dual camera.
6. according to the method described in claim 5, it is characterized in that, being arranged in preview picture to be captured by the target subject
After in face, the method further includes：
The transparency of the target subject is adjusted to preset value.
7. according to the method described in claim 6, it is characterized in that, by the dual camera shoot second image it
Before, the method further includes：
Adjust position of the target subject in the preview screen.
8. a kind of mobile terminal, which is characterized in that the mobile terminal includes：Processor, memory and communication bus, wherein
The communication bus, for realizing the connection communication between the processor and the memory；
The processor, for executing the image processing program stored in memory, to realize following steps：
Calculate the depth of view information of the first image acquired by dual camera；
The target subject of described first image is extracted according to the depth of view information；
The target subject is zoomed in and out into processing；
The background of the target subject and acquisition after scaling processing is subjected to fusion treatment.
9. mobile terminal according to claim 8, which is characterized in that the processor is additionally operable to execute image procossing journey
Sequence, to realize following steps：
The background of described first image is obtained, and the background of described first image is subjected to virtualization processing；
By the target subject and the virtualization after scaling processing, treated that the background carries out fusion treatment.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or
Multiple programs, one or more of programs can be executed by one or more processor, be appointed with realizing in claim 1-7
The step of one described image processing method.
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