CN107087108A - A kind of image processing method and device based on dual camera - Google Patents
A kind of image processing method and device based on dual camera Download PDFInfo
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- CN107087108A CN107087108A CN201710353200.9A CN201710353200A CN107087108A CN 107087108 A CN107087108 A CN 107087108A CN 201710353200 A CN201710353200 A CN 201710353200A CN 107087108 A CN107087108 A CN 107087108A
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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
- H04N23/62—Control of parameters via user interfaces
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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
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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Abstract
The invention discloses a kind of image processing method and device based on dual camera.Methods described includes：Call the first camera in dual camera to shoot black white image, call the second camera shoot coloured image in the dual camera；Extract the color parameter information of the black white image and the color parameter information of the coloured image；According to the color parameter information of the black white image, the color parameter information of the coloured image is adjusted.The present invention in order to avoid coloured image it is over-exposed the problem of, the first camera and second camera in dual camera is called to shoot black white image and coloured image respectively, according to the color parameter information of the accurate black white image of exposure, the possible over-exposed coloured image of adjustment, and the coloured image after adjustment color parameter information is provided, and then avoid over-exposed coloured image being presented to user.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of image processing method and dress based on dual camera
Put.
Background technology
With continuing to develop for mobile terminal technology, mobile terminal can shoot picture, shoot video, record data, look into
Information and control other-end equipment are ask, therefore mobile terminal is had become in people's daily life not by powerful function
The part that can or lack.
At present, the camera pixel configuration of existing mobile terminal is higher, so that mobile terminal shoots the definition of picture
It is higher, the picture of shooting can be highly reduced, the life of user is recorded.But, during routine use, moved using existing
Image is easily over-exposed during dynamic terminal taking photo, the problem of image is not normal, picture quality is low occurs, Consumer's Experience effect is not
It is good.
The content of the invention
It is a primary object of the present invention to propose a kind of image processing method and device based on dual camera, it is intended to solve
The problem of image is easily over-exposed when shooting photo using existing mobile terminal.
For above-mentioned technical problem, the present invention is solved by the following technical programs：
The invention provides a kind of image processing method based on dual camera, methods described includes：Call dual camera
In the first camera shoot black white image, call the second camera shoot coloured image in the dual camera；Extract institute
State the color parameter information of black white image and the color parameter information of the coloured image；According to the color of the black white image
Parameter information, adjusts the color parameter information of the coloured image.
Alternatively, the first camera in dual camera is called to shoot black white image, including：In the picture of shooting, really
The agent object that the fixed dual camera is shot；The first camera in the dual camera is called to shoot the agent object
Black-and-white photograph.
Optionally it is determined that the agent object that the dual camera is shot, including：According to the depth of view information of the object of shooting or
Person determines the agent object that the dual camera is shot according to the object selected in the object of shooting.
Alternatively, according to the color parameter information of the black white image, the color parameter information of the coloured image is adjusted,
Including：The color parameter information of the black white image is assigned to the coloured image, makes the corresponding color of the coloured image
Colour parameter information is identical with the color parameter information of the black white image.
Alternatively, the parameter item in the color parameter information includes：Contrast, saturation degree and exposure.
Present invention also offers a kind of image processing apparatus based on dual camera, described device includes：Calling module, is used
In calling the first camera in dual camera to shoot black white image, the second camera in the dual camera is called to shoot color
Color image；Extraction module, for extracting the color parameter information of the black white image and the color parameter of the coloured image
Information；Adjusting module, for the color parameter information according to the black white image, adjusts the color parameter letter of the coloured image
Breath.
Alternatively, the calling module, is used for：In the picture of shooting, the main body pair that the dual camera is shot is determined
As；The first camera in the dual camera is called to shoot the black-and-white photograph of the agent object.
Alternatively, the calling module, is further used for according to the depth of view information of the object of shooting or according in shooting
Object in the object that selects, determine the agent object that the dual camera is shot.
Alternatively, the adjusting module, is used for：The color parameter information of the black white image is assigned to the cromogram
Picture, makes the corresponding color parameter information of the coloured image identical with the color parameter information of the black white image.
Alternatively, the parameter item in the color parameter information includes：Contrast, saturation degree and exposure.
Image processing method and device proposed by the present invention based on dual camera have following technique effect：
The present invention in order to avoid coloured image it is over-exposed the problem of, call the first camera and second in dual camera
Camera shoots black white image and coloured image respectively, according to the color parameter information of the accurate black white image of exposure,
The possible over-exposed coloured image of adjustment, and the coloured image after adjustment color parameter information is provided, and then avoid exposing
The excessive coloured image of light is presented to user.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the 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 the image processing method based on dual camera according to first embodiment of the invention；
Fig. 4 is the particular flow sheet of the image processing method based on dual camera according to second embodiment of the invention；
Fig. 5 is the schematic diagram of the black white image of the agent object according to second embodiment of the invention；
Fig. 6 is the schematic diagram according to the over-exposed coloured image of the shooting picture of second embodiment of the invention；
Fig. 7 is the schematic diagram of the coloured image after being adjusted according to the color parameter information of second embodiment of the invention；
Fig. 8 is the structure chart of the image processing apparatus based on dual camera according to third embodiment of the invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Describe to realize the mobile terminal of each embodiment of the invention referring now to accompanying drawing.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for be conducive to the present invention explanation, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet personal computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.
However, it will be understood by those skilled in the art that, in addition to being used in particular for moving the element of purpose, according to this hair
The construction of bright embodiment can also apply to the terminal of fixed type.
Fig. 1 illustrates for the hardware configuration of realization each optional mobile terminal of embodiment one of the invention.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part.More or less 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, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one 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 generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..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 is received.Broadcast singal can exist in a variety of manners, for example, it can be with DMB (DMB) electronics
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be by using such as multimedia broadcasting-ground
(DMB-T), DMB-satellite (DMB-S), DVB-hand-held (DVB-H), forward link
Media (MediaFLO@) Radio Data System, the digit broadcasting system of received terrestrial digital broadcasting integrated service (ISDB-T) etc.
Receive digital broadcasting.Broadcasting reception module 111 may be constructed such that be adapted to provide for the various broadcast systems of broadcast singal and on
State digit broadcasting system.The broadcast singal and/or broadcast related information received via broadcasting reception module 111 can be stored in
In reservoir 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 in server at least one and/or receive from it radio signal.Such radio signal can be logical 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 (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115, which is calculated, comes from three or more satellites
Range information and correct time information and for the Information application triangulation of calculating so that according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended for calculating the method for position and temporal information using three
Star and the position calculated by using other satellite correction and the error of temporal information.In addition, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs of camera is obtained in video acquisition mode or image capture mode by image capture apparatus
Or the view data of video is handled.Picture frame after processing may be displayed on display unit 151.Handled through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or be sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after processing can be converted in the case of telephone calling model can
The form output of mobile communication base station is sent to via mobile communication module 112.Microphone 122 can implement various types of make an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during receiving and sending audio signal
Disturb.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal
Plant operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the position of mobile terminal 1 00, user is for the presence or absence of contact (that is, touch input) of mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opening or closing.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 1 00.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage is used to verify that user uses each of mobile terminal 1 00
Plant information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 may be used as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or may be used as allowing passing through it from the various command signals that base is inputted
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from base may be used as being used to recognize that mobile terminal is
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information handled in mobile terminal 1 00.For example, when mobile terminal 1 00 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.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 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 to allow user to be watched from outside, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used 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,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.Moreover, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) for the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 1 00.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incoming communication), alarm list
Member 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even in
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 store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 1 00 can be with performing memory by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and processing.In addition, controller 180 can include being used to reproduce (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, by the handwriting input performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each member
Appropriate electric power needed for part and component.
Various embodiments described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, 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, controller, microcontroller, microprocessor, it is designed to perform function described herein
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 single of at least one function or operation
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.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system for describing wherein be operated according to the mobile terminal of the present invention referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base 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 the BSC275 formation interfaces with that can be couple to base station 270 via back haul link.
If any of interface that back haul link can be known according to Ganji is constructed, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and 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 ".Or, specific BS270 each subregion 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 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps to position multiple mobile terminals
At least one in 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to obtain desired positioning letter
Breath.GPS tracking techniques or outside GPS tracking techniques are substituted, 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 terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.It is each anti-that certain base station 270 is received
Handled to link signal in specific BS270.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of coordination including the soft switching process between BS270.BSC275 is also by the number received
According to MSC280 is routed to, it is provided for the extra route service with PSTN290 formation interfaces.Similarly, PSTN290 with
MSC280 formation interfaces, MSC and BSC275 formation interface, and BSC275 correspondingly control BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
Embodiment one
The embodiment of the present invention provides a kind of image processing method based on dual camera.
In the present embodiment, executive agent is the mobile terminal with dual camera.
Mobile terminal can be the terminal devices such as smart mobile phone, tablet personal computer.Dual camera can be located at mobile whole simultaneously
The front or the back side at end, the front and back of mobile terminal can also be located at respectively.
When dual camera is located at the front and back of mobile terminal respectively, at least one camera in dual camera can
To adjust angle coverage by the mode such as rotation, flexible, folding, make the viewfinder range of dual camera identical or basically identical,
Identical picture can be shot will pass through dual camera.
The image processing method based on dual camera of the present invention is described below in conjunction with the accompanying drawings, as shown in figure 3, being
The flow chart of the image processing method based on dual camera according to a first embodiment of the present invention.
Step S310, calls the first camera in dual camera to shoot black white image, calls in the dual camera
Second camera shoot coloured image.
In the present embodiment, the first camera and second camera in dual camera is set to shoot different figures respectively
Picture, makes the first camera shoot black white image, makes second camera shoot coloured image.
Wherein, the first camera is identical or basically identical with the viewfinder range of second camera, thus black white image and
The shooting picture of coloured image is identical.
Black white image only includes black-and-white two color, is easier to control exposure, and coloured image includes multiple color, does not allow
Exposure easy to control, it is easily over-exposed, so for compared to coloured image, the color parameter information of black white image is relatively defined
Really, the present embodiment can adjust colored in the case where coloured image is over-exposed according to the color parameter information of black white image
The color parameter information of image.
Step S320, extracts the color parameter information of the black white image and the color parameter letter of the coloured image
Breath.
In the present embodiment, the parameter item in color parameter information includes but is not limited to：Contrast, saturation degree and exposure
Degree.
If coloured image is over-exposed, the color parameter that the color parameter information of coloured image will be with black white image
There is larger difference between information.
Step S330, according to the color parameter information of the black white image, adjusts the color parameter letter of the coloured image
Breath.
In the present embodiment, it can recognize whether coloured image is over-exposed, and identify that coloured image is exposed
In the case of degree, according to the color parameter information of the black white image, the color parameter information of the coloured image is adjusted.When
So, those skilled in the art are it is appreciated that the various image in order to obtain better quality, can nonrecognition coloured image whether
In the case of over-exposed, directly according to the color parameter information of the black white image, the color ginseng of the coloured image is adjusted
Number information.
Specifically, can be by the color parameter information of the parameter item in the color parameter information of black white image and coloured image
In corresponding parameter item be compared, if the parameter item and coloured image in the color parameter information of black white image color ginseng
Whether the absolute value of the difference in number information between correspondence parameter item is more than predetermined threshold value, then is exposed by color image recognition
The image of degree, at this moment adjusts the parameter item in the color parameter information of coloured image, makes the color parameter information of black white image
In parameter item and coloured image color parameter information in corresponding parameter item between difference absolute value be less than or equal to institute
State threshold value.
The contrast of the contrast of black white image and coloured image is compared, if the absolute difference of contrast is big
In predetermined threshold value, then the contrast of coloured image is adjusted, makes the difference of the contrast of coloured image and the contrast of black white image
Absolute value is less than the threshold value.
The saturation degree of the saturation degree of black white image and coloured image is compared, if the absolute difference of saturation degree is big
In predetermined threshold value, then the saturation degree of coloured image is adjusted, makes the difference of the saturation degree of coloured image and the saturation degree of black white image
Absolute value is less than the threshold value.
The exposure of the exposure of black white image and coloured image is compared, if the absolute difference of exposure is big
In predetermined threshold value, then the exposure of coloured image is adjusted, makes the difference of the exposure of coloured image and the exposure of black white image
Absolute value is less than the threshold value.
After the color parameter information of adjustment coloured image, the coloured image after adjustment is supplied to user.
In the present embodiment, in order to avoid coloured image it is over-exposed the problem of, call first in dual camera to image
Head and second camera shoot black white image and coloured image respectively, can be according to the color of the accurate black white image of exposure
Colour parameter information, the color parameter information for the coloured image that adjustment may be over-exposed, and provide the user adjustment color parameter
Coloured image after information, and then avoid over-exposed coloured image being presented to user.
The image processing method based on dual camera of the present embodiment can be applied during picture shooting or video
In shooting process, image is adjusted in real time, obtains the normal picture of exposure or video image, it is to avoid the picture of shooting is regarded
Frequently it is over-exposed, better user experience.
Embodiment two
In order that the present invention is clearer, the present embodiment will be carried out to image processing method of the present invention based on dual camera
Further illustrate.The executive agent of the present embodiment is the mobile terminal with dual camera.
As shown in figure 4, being the specific stream of the image processing method based on dual camera according to second embodiment of the invention
Cheng Tu.
Step S410, in the picture of shooting, determines the agent object that dual camera is shot.
Agent object refers to this main body shot, is object mainly prominent in image.
According to the depth of view information of the object of shooting or according to the object selected in the object of shooting, determine that described pair is taken the photograph
The agent object shot as head.Further, in shooting picture, the depth of view information of each object in picture is obtained, by the depth of field
The object that value is in preset range is defined as the agent object of dual camera shooting.The depth of field value of object in the preset range
Less than default depth of field threshold value；Or, in shooting picture, each object and right that dual camera is shot is shown in view-finder
Burnt frame, user drags focus frame in view-finder, selectes an object, and then the object that focus frame is selected is clapped for dual camera
The agent object taken the photograph.In general, the less object of depth of field value in shooting picture can be defined as to the master of dual camera shooting
Body object.
For example：The herds of horses run quickly on grassland that dual camera is shot are shown in view-finder, user wishes main shooting
Courser positioned at herds of horses forefront, drags focus frame, and focus frame is aligned into the courser for being located at forefront, at this moment determines that this is located at
The courser of forefront is the agent object that dual camera is shot.
Step S420, calls the first camera in the dual camera to shoot the black white image of agent object.
In the present embodiment, black white image is the topography of the picture captured by dual camera.
It is determined that after the agent object that dual camera is shot, the first camera according to agent object in picture it is residing
The area that position and agent object are occupied in picture, reduces the viewfinder range of the first camera, shoots the first camera
Partial picture comprising agent object.
For example：The viewfinder range of first camera is rectangle, and agent object is located at the lower right corner of viewfinder range and main body
Object occupies a quarter of viewfinder range, and the viewfinder range of the first camera is narrowed down into a quarter of former viewfinder range simultaneously
And the lower right corner for former viewfinder range of finding a view, it can thus realize and the local of agent object in shooting picture is shot, be wrapped
Topography's (black white image) containing agent object.
Step S430, calls the second camera in the dual camera to shoot the coloured image of the picture.
In the present embodiment, coloured image is the general image of the picture captured by dual camera.
The picture that black white image is shot is included in the picture of coloured image, is the topography of coloured image.
For example：The herds of horses run quickly on grassland are shot using dual camera, the courser positioned at herds of horses foremost is dual camera
The agent object of shooting, then black white image is the courser of the black and white tone shot, coloured image is run quickly for colored on grassland
The herds of horses speeded.
Step S440, extracts the color parameter information of the black white image and the color parameter letter of the coloured image
Breath.
In the present embodiment, the parameter item in color parameter information includes：Contrast, saturation degree and exposure.So, exist
When extracting color parameter information, contrast, saturation degree and exposure are extracted in black white image, and extracted in coloured image
Contrast, saturation degree and exposure.
In the present embodiment, by by pair in the contrast in coloured image, saturation degree and exposure and black white image
It is compared than degree, saturation degree and exposure, to recognize whether coloured image is over-exposed.
Step S450, is assigned to the coloured image by the color parameter information of the black white image, makes the cromogram
The corresponding color parameter information of picture is identical with the color parameter information of the black white image.
In the present embodiment, can be in the case where identifying that coloured image is over-exposed, by the color of the black white image
Colour parameter information is assigned to the coloured image, makes the corresponding color parameter information and the black white image of the coloured image
Color parameter information it is identical.Certainly, those skilled in the art it is appreciated that the various only for improve picture quality, can also
The color parameter information of the black white image is assigned to the coloured image, makes the corresponding color parameter of the coloured image
Information is identical with the color parameter information of the black white image.
Preserve the coloured image after adjustment and be shown in the terminal according to user's request, so that user can look into
See the coloured image of better quality.
For example：According to Fig. 5 is the schematic diagram of the black white image according to the agent object of second embodiment of the invention, Fig. 6
The schematic diagram of the over-exposed coloured image of the shooting picture of second embodiment of the invention, personage is excessively bright；Fig. 7 is according to the present invention
The color parameter information of second embodiment be adjusted after coloured image schematic diagram.Can by the image compared in Fig. 5~Fig. 7
To know, Fig. 5 exposure is preferable；Fig. 6 image is excessively quick-fried, and agent object is too bright not clear enough on the contrary in the picture, image matter
Amount is poor；Fig. 7 image is image in the image of Fig. 6 after being adjusted, Fig. 7 compared to the image in Fig. 6, more clearly,
It is natural and the problem of be not present quick-fried.So, by the adjusted image of the present embodiment, improve picture quality, it is to avoid figure
As the problem of excessively quick-fried.
The image processing method based on dual camera of the present embodiment can be applied during picture shooting or video
In shooting process, it is to avoid the picture or video of shooting are over-exposed.
The present embodiment can carry out setting for acquisition parameters before calling dual camera to shoot black white image and coloured image
Put, exposure, tone, flash lamp parameter are such as set, when shooting black white image and coloured image, joined according to the shooting of setting
Number is shot.
During shooting image, call dual camera to shoot black white image and coloured image in real time, carry in real time
Take the color parameter information of the black white image and the color parameter information of the coloured image；And in real time according to described
The color parameter information of black white image, adjusts the color parameter information of the coloured image.By the present embodiment, adjust in real time
Exposure per two field picture, to make the video data finally obtained be the video data after being adjusted, it is to avoid was being shot
In journey due to the over-exposed video frequency data quality that causes it is poor the problem of.
Embodiment three
The present embodiment provides a kind of image processing apparatus based on dual camera.The figure based on dual camera of the present embodiment
It can be arranged in the mobile terminal with dual camera as processing unit.
As shown in figure 8, being the structure chart of the image processing apparatus based on dual camera according to third embodiment of the invention.
Calling module 810, for calling the first camera in dual camera to shoot black white image, calls double shootings
Second camera shoot coloured image in head.
Extraction module 820, for extracting the color parameter information of the black white image and the color of the coloured image
Parameter information.
Adjusting module 830, for the color parameter information according to the black white image, adjusts the color of the coloured image
Parameter information.
In one embodiment, the calling module 830, is used for：In the picture of shooting, determine that the dual camera is clapped
The agent object taken the photograph；The first camera in the dual camera is called to shoot the black-and-white photograph of the agent object.
In another embodiment, the calling module 830, be further used for according to the depth of view information of the object of shooting or
According to the object selected in the object of shooting, the agent object that the dual camera is shot is determined.
In another embodiment, the adjusting module 830, is used for：By the color parameter information assignment of the black white image
To the coloured image, make the corresponding color parameter information of the coloured image and the color parameter information of the black white image
It is identical.
In another embodiment, the parameter item in the color parameter information includes：Contrast, saturation degree and exposure.
The function of device described in the present embodiment is described in the embodiment of the method shown in Fig. 1~Fig. 7, therefore
Not detailed part, may refer to the related description in previous embodiment, will not be described here in the description of the present embodiment.
Image processing apparatus of the present invention based on dual camera, is asked in order to avoid coloured image is over-exposed
Topic, calls the first camera and second camera in dual camera to shoot black white image and coloured image respectively, according to exposure
The color parameter information of accurate black white image, the coloured image that adjustment may be over-exposed are spent, and adjustment color is provided
Coloured image after parameter information, and then avoid over-exposed coloured image being presented to user.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the device of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a station terminal equipment (can be mobile phone, computer, clothes
It is engaged in device, air conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of image processing method based on dual camera, it is characterised in that methods described includes：
Call the first camera in dual camera to shoot black white image, call the second camera in the dual camera to shoot
Coloured image；
Extract the color parameter information of the black white image and the color parameter information of the coloured image；
According to the color parameter information of the black white image, the color parameter information of the coloured image is adjusted.
2. according to the method described in claim 1, it is characterised in that call the first camera in dual camera to shoot artwork master
Picture, including：
In the picture of shooting, the agent object that the dual camera is shot is determined；
The first camera in the dual camera is called to shoot the black-and-white photograph of the agent object.
3. method according to claim 2, it is characterised in that determine the agent object that the dual camera is shot, including：
According to the depth of view information of the object of shooting or according to the object selected in the object of shooting, the dual camera is determined
The agent object of shooting.
4. according to the method described in claim 1, it is characterised in that according to the color parameter information of the black white image, adjustment
The color parameter information of the coloured image, including：
The color parameter information of the black white image is assigned to the coloured image, makes the corresponding color of the coloured image
Parameter information is identical with the color parameter information of the black white image.
5. according to method according to any one of claims 1 to 4, it is characterised in that the parameter in the color parameter information
Item includes：Contrast, saturation degree and exposure.
6. a kind of image processing apparatus based on dual camera, it is characterised in that described device includes：
Calling module, for calling the first camera in dual camera to shoot black white image, is called in the dual camera
Second camera shoot coloured image；
Extraction module, for extracting the color parameter information of the black white image and the color parameter letter of the coloured image
Breath；
Adjusting module, for the color parameter information according to the black white image, adjusts the color parameter letter of the coloured image
Breath.
7. device according to claim 6, it is characterised in that the calling module, is used for：
In the picture of shooting, the agent object that the dual camera is shot is determined；
The first camera in the dual camera is called to shoot the black-and-white photograph of the agent object.
8. device according to claim 7, it is characterised in that the calling module, is further used for pair according to shooting
The depth of view information of elephant or according to the object selected in the object of shooting, determines the agent object that the dual camera is shot.
9. device according to claim 6, it is characterised in that the adjusting module, is used for：
The color parameter information of the black white image is assigned to the coloured image, makes the corresponding color of the coloured image
Parameter information is identical with the color parameter information of the black white image.
10. the device according to any one of claim 6~9, it is characterised in that the parameter in the color parameter information
Item includes：Contrast, saturation degree and exposure.
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| CN201710353200.9A CN107087108A (en) | 2017-05-18 | 2017-05-18 | A kind of image processing method and device based on dual camera |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948540A (en) * | 2017-12-28 | 2018-04-20 | 信利光电股份有限公司 | A kind of image pickup method of road monitoring camera and road monitoring image |
| CN109587396A (en) * | 2018-11-27 | 2019-04-05 | 浙江舜宇光学有限公司 | Image pickup method and filming apparatus |
| CN113055580A (en) * | 2019-12-26 | 2021-06-29 | 中兴通讯股份有限公司 | Environment recognition method, shooting mode switching method, terminal and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938796A (en) * | 2011-08-15 | 2013-02-20 | 中兴通讯股份有限公司 | Mobile phone |
| CN105049718A (en) * | 2015-07-06 | 2015-11-11 | 深圳市金立通信设备有限公司 | Image processing method and terminal |
| CN105554383A (en) * | 2015-12-17 | 2016-05-04 | 努比亚技术有限公司 | Mobile terminal and method for controlling camera shooting by utilizing mobile terminal |
| CN105578063A (en) * | 2015-07-14 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Image processing method and terminal |
| CN105657103A (en) * | 2016-03-22 | 2016-06-08 | 北京奇虎科技有限公司 | Mobile terminal with two cameras |
| CN105827990A (en) * | 2016-01-22 | 2016-08-03 | 维沃移动通信有限公司 | Automatic exposure method and mobile terminal |
| CN106060419A (en) * | 2016-06-30 | 2016-10-26 | 维沃移动通信有限公司 | Photographing method and mobile terminal |
| CN106454121A (en) * | 2016-11-11 | 2017-02-22 | 努比亚技术有限公司 | Double-camera shooting method and device |
-
2017
- 2017-05-18 CN CN201710353200.9A patent/CN107087108A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938796A (en) * | 2011-08-15 | 2013-02-20 | 中兴通讯股份有限公司 | Mobile phone |
| CN105049718A (en) * | 2015-07-06 | 2015-11-11 | 深圳市金立通信设备有限公司 | Image processing method and terminal |
| CN105578063A (en) * | 2015-07-14 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Image processing method and terminal |
| CN105554383A (en) * | 2015-12-17 | 2016-05-04 | 努比亚技术有限公司 | Mobile terminal and method for controlling camera shooting by utilizing mobile terminal |
| CN105827990A (en) * | 2016-01-22 | 2016-08-03 | 维沃移动通信有限公司 | Automatic exposure method and mobile terminal |
| CN105657103A (en) * | 2016-03-22 | 2016-06-08 | 北京奇虎科技有限公司 | Mobile terminal with two cameras |
| CN106060419A (en) * | 2016-06-30 | 2016-10-26 | 维沃移动通信有限公司 | Photographing method and mobile terminal |
| CN106454121A (en) * | 2016-11-11 | 2017-02-22 | 努比亚技术有限公司 | Double-camera shooting method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948540A (en) * | 2017-12-28 | 2018-04-20 | 信利光电股份有限公司 | A kind of image pickup method of road monitoring camera and road monitoring image |
| CN107948540B (en) * | 2017-12-28 | 2020-08-25 | 信利光电股份有限公司 | Road monitoring camera and method for shooting road monitoring image |
| CN109587396A (en) * | 2018-11-27 | 2019-04-05 | 浙江舜宇光学有限公司 | Image pickup method and filming apparatus |
| CN113055580A (en) * | 2019-12-26 | 2021-06-29 | 中兴通讯股份有限公司 | Environment recognition method, shooting mode switching method, terminal and storage medium |
| CN113055580B (en) * | 2019-12-26 | 2023-10-03 | 中兴通讯股份有限公司 | Environment recognition method, shooting mode switching method, terminal and storage medium |
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