CN106612425A - Image adjusting method and terminal equipment - Google Patents
Image adjusting method and terminal equipment Download PDFInfo
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- CN106612425A CN106612425A CN201510697963.6A CN201510697963A CN106612425A CN 106612425 A CN106612425 A CN 106612425A CN 201510697963 A CN201510697963 A CN 201510697963A CN 106612425 A CN106612425 A CN 106612425A
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Abstract
The invention discloses an image adjusting method. The method comprises the following steps that a skin color area in an image is obtained, and an image matrix corresponding to the image color area is generated; a color temperature adjusting instruction is received, and a color temperature adjusting level of the image is obtained; according to the color temperature adjusting level of the image, a color temperature adjusting parameter of the image color temperature in the image matrix is calculated and obtained; and color temperature adjustment is carried out according to the color temperature adjusting parameter, and a color temperature adjusted image is obtained. The invention also discloses terminal equipment. According to the invention, when the terminal equipment shoots the image, the color temperature of the skin color is adjusted, so that the skin color feels soft and warm, the integral visual effect of the image is improved, and the user experience is enhanced.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of image adjusting method and terminal
Equipment.
Background technology
Colour temperature is to be used to define a physical quantity of light source colour in light optics, i.e., black matrix is added
Heat, when the light color of black body emission is identical with the light color that certain light source is launched, the black matrix
Corresponding heating-up temperature is referred to as the colour temperature of the light source, and abbreviation colour temperature, unit uses " K "
Represent.Generally the low light color of colour temperature is partially yellow, such as incandescent lamp (colour temperature is in 2800K or so)；
And the high light color of colour temperature is partially blue, such as ultraviolet light (colour temperature is in more than 9000K)；And standard
The colour temperature of white light is 6500K, and the colour temperature of the white light that cathode-ray tube is sent is 5500K,
Therefore, the mixed proportion of three primary colours is slightly changed, you can simulate the effect of increase and decrease colour temperature.
Existing photographing device such as digital camera, can camera mobile phone and panel computer etc., due to light,
The reasons such as shooting angle, shooting posture, lens distortion, the human body complexion part shot is usually
The visual state for blacking is presented, so as to affect the whole structure of image.To solve this problem,
Can be processed using softwares such as photoshop, to adjust the colour temperature of whole image, but this
For domestic consumer, not only learning cost is higher, and it is cumbersome to operate for the method for kind.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes above-mentioned
Content is prior art.
The content of the invention
The present invention provides a kind of method and terminal device of adjustment colour of skin colour temperature, it is intended to terminal device
During shooting image, be adjusted by the colour temperature to the colour of skin, can make the colour of skin have it is soft sense with
And warming sense, so as to lift the overall visual effect of image, and then strengthen Consumer's Experience.
The embodiment of the present invention proposes a kind of image adjusting method, and described image method of adjustment includes
Following steps：
The area of skin color in image is obtained, and generates the image array of the correspondence area of skin color；
Colour temperature adjust instruction is received, the adjustment rank of color temp is obtained；
According to the adjustment rank of described image colour temperature, described image colour temperature is calculated in the figure
As the colour temperature adjusting parameter in matrix；
Colour temperature adjustment is carried out to described image according to the colour temperature adjusting parameter, Jing colour temperatures tune is obtained
Image after whole.
A kind of terminal device that the embodiment of the present invention is also proposed, the terminal device includes：
Generation module, for obtaining image in area of skin color, and generate the correspondence colour of skin area
The image array in domain；
Receiver module, for receiving colour temperature adjust instruction, obtains the adjustment rank of color temp；
Parameter calculating module, for according to the adjustment rank of described image colour temperature, being calculated institute
State colour temperature adjusting parameter of the color temp in described image matrix；
Adjusting module, for carrying out colour temperature adjustment to described image according to the colour temperature adjusting parameter,
Obtain the image Jing after colour temperature is adjusted.
Image adjusting method and terminal device that the present invention is provided, first by acquisition image
Area of skin color, then generates the image array of the correspondence area of skin color, and is receiving colour temperature
During adjust instruction, the color temp adjustment rank that user selects is obtained, further according to the figure
As the adjustment rank of colour temperature, colour temperature of the described image colour temperature in described image matrix is calculated
Adjusting parameter, finally carries out colour temperature adjustment according to the colour temperature adjusting parameter to described image, obtains
To the image Jing after colour temperature adjustment.So, terminal device is in shooting image, by the colour of skin
Colour temperature be adjusted, can make the colour of skin that there is soft sense and warming sense, so as to lift image
Overall visual effect, and then strengthen Consumer's Experience.
Description of the drawings
Fig. 1 is the hardware architecture diagram of embodiment of the present invention terminal device；
Fig. 2 is such as the radio communication device schematic diagram of terminal device in Fig. 1；
Fig. 3 is the schematic flow sheet of the embodiment of image adjusting method of the present invention；
Fig. 4 is the schematic flow sheet of another embodiment of image adjusting method of the present invention；
Fig. 5 is that step, according to the adjustment rank of described image colour temperature, is calculated described in Fig. 4
The refinement schematic flow sheet of colour temperature adjusting parameter of the color temp in described image matrix；
Fig. 6 is that step, according to the adjustment rank of the described image colour temperature for obtaining, is calculated in Fig. 5
To the refinement schematic flow sheet of coordinate value of the described image colour temperature in described image matrix；
Fig. 7 is the high-level schematic functional block diagram of the embodiment of terminal device of the present invention；
Fig. 8 is the high-level schematic functional block diagram of another embodiment of terminal device of the present invention；
Fig. 9 is the refinement high-level schematic functional block diagram of parameter calculating module in Fig. 8；
Figure 10 is the refinement high-level schematic functional block diagram of the first computing unit in Fig. 9.
In order that technical scheme is clearer, clear, below in conjunction with accompanying drawing make into
One step is described in detail.
Specific embodiment
It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Used as a kind of implementation, terminal device according to the present invention can be mobile phone, flat board electricity
The various mobile terminals with camera function such as brain, digital camera, can also be desktop computer
Deng fixed computer, the present embodiment is illustrated with mobile terminal of mobile telephone.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include that wireless communication unit 110, A/V (audio/video) input is single
Unit 120, user input unit 130, sensing unit 140, output unit 150, memory 160,
Interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 is shown with various groups
The mobile terminal of part, it should be understood that being not required for implementing all components for illustrating.Can
Alternatively to implement more or less of component.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00
Radio communication between radio communication device or network.For example, wireless communication unit can be with
Including broadcasting reception module 111, mobile communication module 112, wireless Internet module 113, short
At least one of journey communication module 114 and location information module 115.
Broadcasting reception module 111 is received from external broadcast management server via broadcast channel and broadcasted
Signal and/or broadcast related information.Broadcast channel can include satellite channel and/or terrestrial channel.
Broadcast management server can be the clothes for generating and sending broadcast singal and/or broadcast related information
Business device or the broadcast singal generated before receiving and/or broadcast related information and it is sent to
To the server of terminal.Broadcast singal can include TV broadcast singals, radio signals,
Data broadcasting signal etc..And, broadcast singal may further include wide with TV or radio
Broadcast the broadcast singal of signal combination.Broadcast related information can also be provided via mobile communications network,
And in this case, broadcast related information can be received by mobile communication module 112.Extensively
Broadcasting signal can be present in a variety of manners, and for example, it can be with DMB (DMB)
Electronic program guides (EPG), the electronic service guidebooks of digital video broadcast-handheld (DVB-H)
Etc. (ESG) form and exist.Broadcasting reception module 111 can be by using various types of
Broadcaster receives signal broadcast.Especially, broadcasting reception module 111 can be by using all
As multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), numeral are regarded
Frequency Broadcasting-Handheld (DVB-H), forward link media (MediaFLO@) data broadcasting device,
The digital broadcast apparatus 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 broadcasters of broadcast singal with
And above-mentioned digital broadcast apparatus.The broadcast singal that receives via broadcasting reception module 111 and/or wide
Broadcasting relevant information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node
B etc.), at least one of exterior terminal and server and/or receive from it aerogram
Number.Such radio signal can include voice call signal, video calling signal or
According to various types of data that text and/or Multimedia Message send and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can
To be internally or externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can
With including WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (Worldwide Interoperability for Microwave
Interconnection is accessed), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Short-range communication technology
Some examples include bluetoothTM, RF 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.
The typical case of location information module is GPS (global pick device).According to current technology,
GPS module 115 calculates the range information and correct time information from three or more satellites
And for the Information application triangulation for calculating, so as to accurate according to longitude, latitude and height
Really calculate three-dimensional current location information.Currently, the method for calculating position and temporal information
The position that calculates using three satellites and by using other satellite correction and when
Between information error.Additionally, GPS module 115 can be by Continuous plus current location in real time
Information carrys out calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can be with
Including camera 121 and microphone 122,121 pairs, camera is in Video Capture pattern or image capture mould
The static images obtained by image capture apparatus in formula or the view data of video are processed.Place
Picture frame after reason may be displayed on display unit 151.Picture frame Jing after the process of camera 121
Can be stored in memory 160 (or other storage mediums) or via wireless communication unit
110 are transmitted, and can provide two or more cameras 121 according to the construction of mobile terminal.Wheat
Gram wind 122 can run mould in telephone calling model, logging mode, speech recognition mode etc.
Sound (voice data) is received via microphone in formula, and can be by such acoustic processing
Voice data.Audio frequency (voice) data after process can turn in the case of telephone calling model
Being changed to can be sent to the form output of mobile communication base station via mobile communication module 112.Mike
Wind 122 can implement various types of noises elimination (or suppression) algorithms and be existed with eliminating (or suppression)
The noise produced during receiving and sending audio signal or interference.
User input unit 130 can generate key input data to control according to the order of user input
The various operations of mobile terminal processed.User input unit 130 allows user input various types of
Information, and (for example, detection is due to touched can to include keyboard, metal dome, touch pad
And the sensitive component of the change of caused resistance, pressure, electric capacity etc.), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon in the form of layer on display unit 151, can be with shape
Into touch-screen.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00
Open or close state), the position of mobile terminal 1 00, user is for mobile terminal 1 00
Contact the presence or absence of (that is, touch input), the orientation of mobile terminal 1 00, mobile terminal 1 00 plus
Speed or by speed is mobile and direction etc., and generate the operation for controlling mobile terminal 1 00
Order or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing
Unit 140 can sense the sliding-type phone and open or close.In addition, sensing unit 140
Can detect whether power subsystem 190 provides electric power or whether interface unit 170 fills with outside
Put coupling.Sensing unit 140 will can below combine touch-screen including proximity transducer 1410
To be described to this.
Interface unit 170 is connected with mobile terminal 1 00 and can lead to as at least one external device (ED)
The interface crossed.For example, external device (ED) can include wired or wireless head-band earphone port, outer
Portion's power supply (or battery charger) port, wired or wireless FPDP, memory card port, use
In port, audio input/output (I/O) port, the video of device of the connection with identification module
I/O ports, ear port etc..Identification module can be that storage uses shifting for verifying user
The various information of dynamic terminal 100 and can include subscriber identification module (UIM), client identification mould
Block (SIM), Universal Subscriber identification module (USIM) etc..In addition, the dress with identification module
Putting (hereinafter referred to as " identifying device ") can take the form of smart card, therefore, identifying device
Can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be with
For reception to be from the input (for example, data message, electric power etc.) of external device (ED) and will connect
One or more elements or can be used for that the input for receiving is transferred in mobile terminal 1 00
Transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as
Allow the path by it by electric power from base offer to mobile terminal 1 00 or can serve as permitting
Perhaps the various command signals from base input are transferred to the path of mobile terminal by it.From base
Exactly whether the various command signals or electric power of input can serve as recognizing mobile terminal
Signal on base.Output unit 150 is configured to vision, audio frequency and/or tactile
Mode provides output signal (for example, audio signal, vision signal, alarm signal, vibration letter
Number etc.).Output unit 150 can include display unit 151, dio Output Modules 152, police
Declaration form unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, shifting is worked as
When dynamic terminal 100 is in telephone calling model, display unit 151 can show and converse or other
The related user interface (UI) of communication (for example, text messaging, multimedia file download etc.)
Or graphic user interface (GUI).When mobile terminal 1 00 is caught in video calling pattern or image
When obtaining pattern, display unit 151 can show the image of capture and/or the image of reception, illustrate
UI or GUI of video or image and correlation function etc..
Meanwhile, when display unit 151 and touch pad it is superposed on one another forming touch in the form of layer
During screen, display unit 151 can serve as input unit and output device.Display unit 151 can be with
Including liquid crystal display (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode
(OLED) at least one in display, flexible display, three-dimensional (3D) display etc..This
Some in a little displays may be constructed such that transparence to allow user from outside viewing, and this can
To be referred to as transparent display, typical transparent display can be, for example, TOLED (transparent organic
Optical diode) display etc..According to the specific embodiment wanted, mobile terminal 1 00 can be with
Including two or more display units (or other display devices), for example, mobile terminal can be wrapped
Include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to examine
Survey touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can be in mobile terminal in call signal reception pattern, call
When under the isotypes such as pattern, logging mode, speech recognition mode, broadcast reception mode, by nothing
Voice data transducing audio that is that line communication unit 110 is received or storing in memory 160
Signal and it is output as sound.And, dio Output Modules 152 can be provided and mobile terminal
(for example, call signal receives sound, message to the related audio output of 100 specific functions for performing
Receive sound etc.).Dio Output Modules 152 can include sound pick-up, buzzer etc..
Alarm unit 153 can provide output so that event is notified to mobile terminal 1 00.
Typical event can include calling reception, message sink, key signals input, touch input etc.
Deng.In addition to audio or video is exported, alarm unit 153 can be provided in a different manner
Output is with the generation of notification event.For example, alarm unit 153 can be provided in the form of vibrating
Output, when receive calling, message or some other enter (the incoming that communicates
Communicat ion) when, alarm unit 153 can provide tactile output (that is, vibrating) to incite somebody to action
It is notified to user.By providing such tactile output, even if at the mobile phone of user
When in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
Can also be via the generation of display unit 151 or the offer notification event of dio Output Modules 152
Output.
Memory 160 can store the software of the process and control operation performed by controller 180
Program etc., or can temporarily store the data that exported or will export (for example,
Telephone directory, message, still image, video etc.).And, memory 160 can store pass
Vibration and the data of audio signal in the various modes exported when touching and being applied to touch-screen.
Memory 160 can include the storage medium of at least one type, the storage medium bag
Include flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memories etc.),
Random access storage device (RAM), static random-access memory (SRAM), read-only storage
(ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can be with
The network storage device cooperation of the store function of memory 160 is performed by network connection.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed
The control related to voice call, data communication, video calling etc. and process.In addition, control
Device processed 180 can include the multi-media module 181 for reproducing (or playback) multi-medium data, many
Media module 181 can be constructed in controller 180, or is so structured that and controller 180
Separate.Controller 180 can be with execution pattern identifying processing, by the hand for performing on the touchscreen
Write input or picture draws input and is identified as character or image.
Power subsystem 190 receives external power or internal power simultaneously under the control of controller 180
And each element of offer operation and the appropriate electric power needed for component.
Various embodiments described herein can with using such as computer software, hardware or its
Any combination of computer-readable medium is implementing.For hardware is implemented, enforcement described herein
Mode can by using application-specific IC (ASIC), digital signal processor (DSP),
Digital signal processing device (DSPD), programmable logic device (PLD), field-programmable gate array
Row (FPGA), processor, controller, microcontroller, microprocessor, be designed to perform this
In at least one in the electronic unit of function that describes implementing, in some cases, so
Embodiment can implement in controller 180.For software is implemented, such as process or work(
The embodiment of energy can be with the single software mould for allowing to perform at least one function or operation
Block is implementing.Software code can be by the software application journey write with any appropriate programming language
Implementing, software code can be stored in memory 160 and by controller sequence (or program)
180 perform.
So far, according to its function mobile terminal has been described.Below, for the sake of brevity,
By the various types of of description such as folded form, board-type, oscillating-type, slide type mobile terminal etc.
Slide type mobile terminal in the mobile terminal of type is as an example.Therefore, the present invention can be applied
In any kind of mobile terminal, and it is not limited to slide type mobile terminal.
With reference to Fig. 2, Fig. 2 is the electrical structure block diagram of camera in Fig. 1.
Phtographic lens 1211 is made up of the multiple optical lens for being used to be formed shot object image, is single Jiao
Point camera lens or zoom lens.Phtographic lens 1211 can be under the control of lens driver 1221
Move on optical axis direction, lens driver 1221 is according to from lens driving control circuit 1222
Control signal, control phtographic lens 1211 focal position, in the case of zoom lens,
Also can control focal length.Lens driving control circuit 1222 is according to from microcomputer 1217
Control command carry out the drive control of lens driver 1221.
The position of the shot object image formed on the optical axis of phtographic lens 1211, by phtographic lens 1211
Put and be nearby configured with imaging apparatus 1212.Imaging apparatus 1212 is used to image shot object image and take
Obtain image data.Two dimension and each picture of composition has been arranged in a matrix on imaging apparatus 1212
The photodiode of element.Each photodiode produces opto-electronic conversion electric current corresponding with light income,
The opto-electronic conversion electric current carries out charge accumulation by the capacitor being connected with each photodiode.Each picture
The front surface of element is configured with the RGB colour filters of Bayer arrangement.
Imaging apparatus 1212 is connected with imaging circuit 1213, and the imaging circuit 1213 is in imaging apparatus
Charge accumulation control is carried out in 1212 and picture signal reads control, the picture signal to the reading
(analog picture signal) is reduced resetting and carry out waveform shaping after noise, and then carries out gain raising etc.
To become appropriate signal level.
Imaging circuit 1213 is connected with A/D converter 1214, and the A/D converter 1214 is believed analog image
Number analog-to-digital conversion is carried out, to the output digital image signal of bus 1227 (hereinafter referred to as picture number
According to).
Bus 1227 is the inside reading for being transmitted in camera or the biography of the various data for generating
Send path.Above-mentioned A/D converter 1214 is connected in bus 1227, image is additionally connected to
Processor 1215, jpeg processor 1216, microcomputer 1217, SDRAM (Synchronous
Dynamic random access memory, SDRAM) 1218, deposit
Memory interface (hereinafter referred to as memory I/F) 1219, LCD (Liquid Crystal Display,
Liquid crystal display) driver 1220.
Image processor 1215 pairs carries out OB based on the view data of the output of imaging apparatus 1212
Subtract each other process, blank level adjustment, color matrix computing, gamma conversion, colour difference signal process,
Noise removal process, while the various image procossings such as change process, edge treated.Jpeg processor
1216 when by Imagery Data Recording in recording medium 1225, according to JPEG compression mode compress from
The view data that SDRAM1218 reads.Additionally, jpeg processor 1216 is in order to carry out image again
Now show and carry out the decompression of jpeg image data.When being decompressed, record is read in note
File in recording medium 1225, after implementing decompression in jpeg processor 1216, will
The view data of decompression is temporarily stored in SDRAM1218 and is shown on LCD1226.
In addition, in the present embodiment, JPEG modes are used as compression of images decompression mode,
But compressed and decompressed mode not limited to this, it is of course possible to using MPEG, TIFF, H.264 etc.
Other compressed and decompressed modes.
Microcomputer 1217 plays the function as the overall control unit of the camera, is uniformly controlled
The various process sequences of camera.Microcomputer 1217 is connected to operating unit 1223 and flash memory
1224。
Operating unit 1223 includes but is not limited to physical button or virtual key, the entity or void
Intending button can press for power knob, camera button, edit key, dynamic image button, reproduction
The various inputs such as button, menu button, cross key, OK button, deletion button, large buttons are pressed
The operational controls such as button and various enter keys, detect the mode of operation of these operational controls,.
Testing result is exported to microcomputer 1217.Additionally, as display
The front surface of LCD1226 is provided with touch panel, the touch location of user is detected, by the touch position
Put to microcomputer 1217 and export.Microcomputer 1217 is according to from operating unit 1223
Operating position testing result, perform corresponding with the operation of user various process sequences.
Flash memory 1224 stores the program for performing the various process sequences of microcomputer 1217.
Microcomputer 1217 carries out the overall control of camera according to the program.Additionally, flash memory 1224
The various adjusted values of storage camera, microcomputer 1217 reads adjusted value, according to the adjusted value
Carry out the control of camera.
SDRAM1218 be for view data etc. is carried out temporary transient storage can electricity rewrite it is volatile
Property memory.The SDRAM1218 temporarily storages from the view data of the output of A/D converter 1214 and
View data after being processed in image processor 1215, jpeg processor 1216 etc..
Memory interface 1219 is connected with recording medium 1225, enters to be about to view data and is attached to
The first-class data of file in view data write recording medium 1225 and from recording medium 1225
The control of reading.Recording medium 1225 for example, can on camera main-body disassembled and assembled freely storage
The recording mediums such as device card, but not limited to this, or the hard disk that is built in camera main-body
Deng.
Lcd driver 1210 is connected with LCD1226, after being processed by image processor 1215
View data is stored in SDRAM1218, when needing to show, reads the image of SDRAM1218 storages
The data simultaneously display on LCD1226, or, the compressed view data of jpeg processor 1216
SDRAM1218 is stored in, when needing to show, jpeg processor 1216 reads SDRAM1218
Compressed view data, then decompressed, the view data after decompression is passed through
LCD1226 is shown.
LCD1226 is configured in the back side of camera main-body to carry out image and shows.The LCD1226LCD),
But not limited to this, it would however also be possible to employ the various display floaters such as organic EL (LCD1226), but
Not limited to this, it would however also be possible to employ the various display floaters such as organic EL.
Based on above-mentioned mobile terminal hardware configuration and the electrical structure schematic diagram of camera, this is proposed
Inventive method each embodiment.
As shown in figure 3, the image adjusting method that one embodiment of the invention is provided, including：
Step S101, obtains the area of skin color in image, and generates the correspondence area of skin color
Image array；
Step S102, receives colour temperature adjust instruction, obtains the adjustment rank of color temp；
Step S103, according to the adjustment rank of described image colour temperature, is calculated described image
Colour temperature adjusting parameter of the colour temperature in described image matrix；
Step S104, colour temperature adjustment is carried out according to the colour temperature adjusting parameter to described image,
Obtain the image Jing after colour temperature is adjusted.
In sum, the image adjusting method that the present embodiment is provided, first by acquisition image
Area of skin color, then generate the image array of the correspondence area of skin color, and receiving use
During the colour temperature adjust instruction of family triggering, the color temp adjustment rank that user selects is obtained, enter one
The adjustment rank according to described image colour temperature is walked, described image colour temperature is calculated in described image
Colour temperature adjusting parameter in matrix, finally carries out colour temperature adjustment according to the colour temperature adjusting parameter,
Obtain the image Jing after colour temperature is adjusted.So, terminal device is in shooting image, by skin
The colour temperature of color is adjusted, and the colour of skin can be made to have soft sense and warming sense, so as to lift figure
The overall visual effect of picture, and then strengthen Consumer's Experience.
As shown in figure 4, the image adjusting method that another embodiment of the present invention is provided, including：
Step S201, obtains the area of skin color in image, and generates the correspondence area of skin color
Image array；
In the present embodiment, terminal device such as mobile phone can directly be carried out by opening camera function
Take pictures and obtain image, or other clients are received by modes such as bluetooth, wireless network connections
Such as mobile phone, the image of panel computer transmission.Get by any of the above in terminal device
During the image that mode is obtained, described image is decoded first, to obtain the letter of original image
Breath stream, the view data of such as RGB (red, green, blue Color Channel) form.Terminal device pair
The information flow of original image is encoded, and is converted into the lattice such as JPEG, RAM, BMP, GIF
The image of formula.
In the present embodiment, terminal device shows image, together by image display interfaces to user
When, there is provided reader action bar supplies user operation, the reader action bar specifically can include
Entity or the virtual push buttons such as colour temperature adjustment button, area of skin color size adjustment button, this is preferred real
In applying example, the terminal device has the touch-screen of tangible operation, in other embodiments,
Can also be operated by physical button, operation can also be controlled by modes such as voices.
In the present embodiment, terminal device can be split based on RGB color model to image,
Area of skin color in obtain image, in other embodiments, it is also an option that YCbCr colors
Model is split to image, to obtain image in area of skin color.Wherein, image segmentation
Method can be, based on spatial domain Threshold segmentation, to can also be based on sides such as morphology area growths
Method, specifically can reasonable selection according to actual needs, it is not limited to the present embodiment.
In the present embodiment, the area of skin color in image generates the correspondence area of skin color
Image array MASK matrixes, and MASK matrixes are two bit arrays with the size such as original image, its
In, each element M ASK (x, y) represents that pixel (x, y) is the general of the colour of skin in image
Rate, its probability magnitude range is 0-1.
Step S202, receives colour temperature adjust instruction, obtains the adjustment rank of color temp；
In the present embodiment, the preset colour temperature rank of terminal device is ten between 6000K-7000K
Grade, selects the colour temperature rank for needing to be adjusted to, and such as user is by clicking on checking for terminal device
Operation button on device action bar triggers colour temperature adjust instruction by phonetic order, and obtaining needs
The adjustment rank such as 6500K of the color temp of adjustment.It is, of course, understood that at other
In embodiment, the scope and grade quantity of the colour temperature rank are not limited to the present embodiment,
Reasonable selection can arrange according to actual needs.
Step S203, according to the adjustment rank of described image colour temperature, is calculated described image
Colour temperature adjusting parameter of the colour temperature in described image matrix；
In the present embodiment, terminal device is calculated according to adjustment rank K of the color temp for obtaining
Colour temperature adjusting parameter of the described image colour temperature in described image matrix is obtained, wherein, the color
Warm adjusting parameter includes triple channel R, G, the B with RGB as color model, certainly, at other
In embodiment, it is also possible to be triple channel Y, Cb, Cr pixel value (its according to YCbCr models
In, Y refers to luminance component, and Cb refers to chroma blue component, and Cr refers to red chrominance component).
In this preferred embodiment, with reference to Fig. 5, this step S203 can include：
Step S2031, according to the adjustment rank of the described image colour temperature for obtaining, is calculated institute
State coordinate value of the color temp in described image matrix；
In the present embodiment, terminal device is first according to the adjustment rank of the described image colour temperature for obtaining
First obtain two-dimensional coordinate value according to described image matrix computations, due to this preferred embodiment, be with
RGB is triple channel R, G of color model, B is developed the color, therefore, it is also desirable to will be described
Two-dimensional coordinate value corresponding conversion is three-dimensional seat one-to-one with described three Color Channels R, G, B
Scale value.
Used as a kind of optional embodiment, with reference to Fig. 6, this step S2031 can be further
Including：
Step S100, according to the adjustment rank, is calculated described image colour temperature described
Two-dimensional coordinate value in image array；
In the present embodiment, according to adjustment rank K, color temp is calculated in described image square
Two-dimensional coordinate value (xD, yD) in battle array：
XD=-4.6070e9/ (K^3)+2.9678e6/ (K^2)
+0.09911e3/K+0.244063；
YD=-3*xD*xD+2.87*xD-0.275.
Step S200, by the two-dimensional coordinate value D coordinates value is converted to.
In the present embodiment, the two-dimensional coordinate value is converted to into D coordinates value (X, Y, Z)：
X=xD/yD；
Y=1；
Z=(1-xD-yD).
Step S2032, according to the coordinate value and predetermined colour temperature regulation coefficient, is calculated
First pixel value of described image colour temperature three chrominance channels of correspondence in described image matrix.
In the present embodiment, terminal device is according to the D coordinates value (X, Y, Z) and makes a reservation for
Colour temperature regulation coefficient T, carries out color conversion：
[mR, mG, mB]=[X, Y, Z] * T, wherein,
Described image colour temperature is calculated in described image matrix with three chrominance channel one by one
Corresponding first pixel value (R1, G1, B1)：
R1=(R0/ mR) * MASK (x, y)/255+ (1-MASK (x, y)/255) * R0/mR；
G1=(G0/ mG) * MASK (x, y)/255+ (1-MASK (x, y)/255) * G0/mG；
B1=(B0/ mB) * MASK (x, y)/255+ (1-MASK (x, y)/255) * B0/ mB,
Wherein, (R0, G0, B0) it is that color temp is initial correspondingly with three chrominance channel
Pixel value.
Step S204, according to the colour temperature adjusting parameter colour temperature adjustment is carried out, and obtains Jing colour temperatures
Image after adjustment.
In the present embodiment, by the color temperature parameters of image by original pixel values (R0, G0, B0) adjustment
To calculated first pixel value (R1, G1, B1)。
Step S205, obtains the max pixel value and minimum pixel value of three chrominance channel；
Step S206, according to the max pixel value, minimum pixel value and correspondence described three
First pixel value of chrominance channel, is calculated respectively the second pixel value of correspondence three chrominance channel；
In the present embodiment, max pixel value is set on RGB channel as M such as 255, minimum image
Element value is N such as 0, carries out RGB to each pixel MASK (x, y) in image three-channel
Adjustment is processed, and is calculated the second pixel value (R2, G2, B2)：
R2=255* (R1-N)/(M-N)；
G2=255* (G1-N)/(M-N)；
B2=255* (B1-N)/(M-N)。
Step S207, is carried out white according to second pixel value to the image Jing after colour temperature adjustment
Balance Treatment, to obtain the image of color balance.
In the present embodiment, according to calculated second pixel value (R2, G2, B2), by image
Color temperature parameters by original pixel values (R1, G1, B1) adjust to calculated first pixel value
(R2, G2, B2), to carry out white balance process to image, and most at last the adjustment of Jing colour temperatures and
Image after white balance process is shown in the display interface of terminal.
Require supplementation with explanation is a bit, above-mentioned steps S205, step S206 and step S207,
For optional step, namely colour temperature adjustment is being carried out according to the colour temperature adjusting parameter, obtaining Jing colors
Temperature adjustment after image, can not execution step S205, step S206 and step S207,
And directly shown in the display interface of terminal device.
In sum, the image adjusting method that the present embodiment is provided, first by acquisition image
Area of skin color, then generate the image array of the correspondence area of skin color, and receiving use
During the colour temperature adjust instruction of family triggering, the color temp adjustment rank that user selects is obtained, enter one
The adjustment rank according to described image colour temperature is walked, described image colour temperature is calculated in described image
Colour temperature adjusting parameter in matrix, finally carries out colour temperature adjustment according to the colour temperature adjusting parameter,
Obtain the image Jing after colour temperature is adjusted.So, terminal device is in shooting image, by skin
The colour temperature of color is adjusted, and the colour of skin can be made to have soft sense and warming sense, so as to lift figure
The overall visual effect of picture, and then strengthen Consumer's Experience.
Additionally, the image after processing colour temperature adjustment further carries out white balance process, can
Preferably to embody the light and shade situation of image.
As shown in fig. 7, one embodiment of the invention also provides a kind of terminal device 1, the terminal
Equipment 1 includes：
Generation module 101, for obtaining image in area of skin color, and generate the correspondence skin
The image array in color region；
Receiver module 102, for receiving colour temperature adjust instruction, obtains the adjustment level of color temp
Not；
Parameter calculating module 103, for according to the adjustment rank of described image colour temperature, calculating
Colour temperature adjusting parameter to described image colour temperature in described image matrix；
Adjusting module 104, for carrying out colour temperature to described image according to the colour temperature adjusting parameter
Adjustment, obtains the image Jing after colour temperature is adjusted.
In sum, the terminal device that the present embodiment is provided, first by the skin in acquisition image
Color region, then generates the image array of the correspondence area of skin color, and touches user is received
During the colour temperature adjust instruction sent out, the color temp adjustment rank that user selects, further root are obtained
According to the adjustment rank of described image colour temperature, described image colour temperature is calculated in described image matrix
In colour temperature adjusting parameter, finally colour temperature adjustment is carried out according to the colour temperature adjusting parameter, obtain
Image Jing after colour temperature adjustment.So, terminal device is in shooting image, by the colour of skin
Colour temperature is adjusted, and the colour of skin can be made to have soft sense and warming sense, so as to lift image
Overall visual effect, and then strengthen Consumer's Experience.
As shown in figure 8, the terminal device that another embodiment of the present invention is provided, including：
Generation module 201, for obtaining image in area of skin color, and generate the correspondence skin
The image array in color region；
In the present embodiment, terminal device such as mobile phone can directly be carried out by opening camera function
Take pictures and obtain image, or other clients are received by modes such as bluetooth, wireless network connections
Such as mobile phone, the image of panel computer transmission.Get by any of the above in terminal device
During the image that mode is obtained, described image is decoded first, to obtain the letter of original image
Breath stream, the view data of such as RGB (red, green, blue Color Channel) form.Terminal device pair
The information flow of original image is encoded, and is converted into the lattice such as JPEG, RAM, BMP, GIF
The image of formula.
In the present embodiment, terminal device shows image, together by image display interfaces to user
When, there is provided reader action bar supplies user operation, the reader action bar specifically can include
Entity or the virtual push buttons such as colour temperature adjustment button, area of skin color size adjustment button, this is preferred real
In applying example, the terminal device has the touch-screen of tangible operation, in other embodiments,
Can also be operated by physical button, operation can also be controlled by modes such as voices.
In the present embodiment, terminal device can be split based on RGB color model to image,
Area of skin color in obtain image, in other embodiments, it is also an option that YCbCr colors
Model is split to image, to obtain image in area of skin color.Wherein, image segmentation
Method can be, based on spatial domain Threshold segmentation, to can also be based on sides such as morphology area growths
Method, specifically can reasonable selection according to actual needs, it is not limited to the present embodiment.
In the present embodiment, the area of skin color in image generates the correspondence area of skin color
Image array MASK matrixes, and MASK matrixes are two bit arrays with the size such as original image, its
In, each element M ASK (x, y) represents that pixel (x, y) is the general of the colour of skin in image
Rate, its probability magnitude range is 0-1.
Receiver module 202, for receiving colour temperature adjust instruction, obtains the adjustment level of color temp
Not；
In the present embodiment, the preset colour temperature rank of terminal device is ten between 6000K-7000K
Grade, selects the colour temperature rank for needing to be adjusted to, and such as user is by clicking on checking for terminal device
Operation button on device action bar triggers colour temperature adjust instruction by phonetic order, and obtaining needs
The adjustment rank such as 6500K of the color temp of adjustment.It is, of course, understood that at other
In embodiment, the scope and grade quantity of the colour temperature rank are not limited to the present embodiment,
Reasonable selection can arrange according to actual needs.
Parameter calculating module 203, for according to the adjustment rank of described image colour temperature, calculating
Colour temperature adjusting parameter to described image colour temperature in described image matrix；
In the present embodiment, terminal device is calculated according to adjustment rank K of the color temp for obtaining
Colour temperature adjusting parameter of the described image colour temperature in described image matrix is obtained, wherein, the color
Warm adjusting parameter includes triple channel R, G, the B with RGB as color model, certainly, at other
In embodiment, it is also possible to be triple channel Y, Cb, Cr pixel value (its according to YCbCr models
In, Y refers to luminance component, and Cb refers to chroma blue component, and Cr refers to red chrominance component).
In this preferred embodiment, with reference to Fig. 9, the parameter calculating module 203 includes：
First computing unit 2031, for according to obtain described image colour temperature adjustment rank,
It is calculated coordinate value of the described image colour temperature in described image matrix；
In the present embodiment, terminal device is first according to the adjustment rank of the described image colour temperature for obtaining
First obtain two-dimensional coordinate value according to described image matrix computations, due to this preferred embodiment, be with
RGB is triple channel R, G of color model, B is developed the color, therefore, it is also desirable to will be described
Two-dimensional coordinate value corresponding conversion is three-dimensional seat one-to-one with described three Color Channels R, G, B
Scale value.
As a kind of optional embodiment, with reference to Figure 10, first computing unit 2031
May further include：
Computation subunit 100, for according to the adjustment rank, being calculated described image color
Two-dimensional coordinate value of the temperature in described image matrix；
In the present embodiment, according to adjustment rank K, color temp is calculated in described image square
Two-dimensional coordinate value (xD, yD) in battle array：
XD=-4.6070e9/ (K^3)+2.9678e6/ (K^2)
+0.09911e3/K+0.244063；
YD=-3*xD*xD+2.87*xD-0.275.
Conversion subunit 200, for the two-dimensional coordinate value to be converted to into D coordinates value.
In the present embodiment, the two-dimensional coordinate value is converted to into D coordinates value (X, Y, Z)：
X=xD/yD；
Y=1；
Z=(1-xD-yD).
Second computing unit 2032, for according to the coordinate value and predetermined colour temperature adjustment system
Number, is calculated the first picture of described image colour temperature three chrominance channels of correspondence in described image matrix
Element value.
In the present embodiment, terminal device is according to the D coordinates value (X, Y, Z) and makes a reservation for
Colour temperature regulation coefficient T, carries out color conversion：
[mR, mG, mB]=[X, Y, Z] * T, wherein,
Described image colour temperature is calculated in described image matrix with three chrominance channel one by one
Corresponding first pixel value (R1, G1, B1)：
R1=(R0/ mR) * MASK (x, y)/255+ (1-MASK (x, y)/255) * R0/mR；
G1=(G0/ mG) * MASK (x, y)/255+ (1-MASK (x, y)/255) * G0/mG；
B1=(B0/ mB) * MASK (x, y)/255+ (1-MASK (x, y)/255) * B0/ mB,
Wherein, (R0, G0, B0) it is that color temp is initial correspondingly with three chrominance channel
Pixel value.
Adjusting module 204, for carrying out colour temperature adjustment according to the colour temperature adjusting parameter, obtains
Image Jing after colour temperature adjustment；
In the present embodiment, by the color temperature parameters of image by original pixel values (R0, G0, B0) adjustment
To calculated first pixel value (R1, G1, B1)。
Acquisition module 205, for obtaining the max pixel value and minimum pixel of three chrominance channel
Value；
Pixel computing module 206, for according to the max pixel value, minimum pixel value and
First pixel value of correspondence three chrominance channel, is calculated respectively correspondence three chrominance channel
Second pixel value；
In the present embodiment, max pixel value is set on RGB channel as M such as 255, minimum image
Element value is N such as 0, carries out RGB to each pixel MASK (x, y) in image three-channel
Adjustment is processed, and is calculated the second pixel value (R2, G2, B2)：
R2=255* (R1-N)/(M-N)；
G2=255* (G1-N)/(M-N)；
B2=255* (B1-N)/(M-N)。
Processing module 207, for according to second pixel value to Jing colour temperature adjustment after image
White balance process is carried out, to obtain the image of color balance.
In the present embodiment, according to calculated second pixel value (R2, G2, B2), by image
Color temperature parameters by original pixel values (R1, G1, B1) adjust to calculated first pixel value
(R2, G2, B2), to carry out white balance process to image, and most at last the adjustment of Jing colour temperatures and
Image after white balance process is shown in the display interface of terminal.
Require supplementation with explanation is a bit, above-mentioned acquisition module 205, pixel computing module 206
And processing module 207 is optional module, namely terminal device can only with generation module
201st, receiver module 202, parameter calculating module 203, adjusting module 204.
In sum, the terminal device that the present embodiment is provided, first by the skin in acquisition image
Color region, then generates the image array of the correspondence area of skin color, and touches user is received
During the colour temperature adjust instruction sent out, the color temp adjustment rank that user selects, further root are obtained
According to the adjustment rank of described image colour temperature, described image colour temperature is calculated in described image matrix
In colour temperature adjusting parameter, finally colour temperature adjustment is carried out according to the colour temperature adjusting parameter, obtain
Image Jing after colour temperature adjustment.So, terminal device is in shooting image, by the colour of skin
Colour temperature is adjusted, and the colour of skin can be made to have soft sense and warming sense, so as to lift image
Overall visual effect, and then strengthen Consumer's Experience.
Additionally, the image after processing colour temperature adjustment further carries out white balance process, can
Preferably to embody the light and shade situation of image.
Also, it should be noted that herein, term " including ", "comprising" or its is any
Other variants are intended to including for nonexcludability, so that a series of process including key elements,
Method, article or device not only include those key elements, but also including being not expressly set out
Other key elements, or also include intrinsic for this process, method, article or device
Key element.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also exist in the process including the key element, method, article or device another
Outer identical element.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that
Can add the mode of required general hardware platform to realize by software to above-described embodiment method,
Can certainly be by hardware, but in many cases the former is more preferably embodiment.Based on this
The understanding of sample, the portion that technical scheme substantially contributes in other words to prior art
Dividing can be embodied in the form of software product, and the computer software product is stored in one and deposits
In storage media (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that one
Terminal device (can be mobile phone, computer, server, or network equipment etc.) performs sheet
Invent the method described in each embodiment.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited,
Equivalent structure or flow process conversion that every utilization description of the invention and accompanying drawing content are made, or directly
Other related technical fields are connect or are used in indirectly, the patent that the present invention is included in the same manner is protected
In the range of shield.
Claims (10)
1. a kind of image adjusting method, it is characterised in that described image method of adjustment include with
Lower step：
The area of skin color in image is obtained, and generates the image array of the correspondence area of skin color；
Colour temperature adjust instruction is received, the adjustment rank of color temp is obtained；
According to the adjustment rank of described image colour temperature, described image colour temperature is calculated in the figure
As the colour temperature adjusting parameter in matrix；
Colour temperature adjustment is carried out to described image according to the colour temperature adjusting parameter, Jing colour temperatures tune is obtained
Image after whole.
2. image adjusting method as claimed in claim 1, it is characterised in that the basis
The adjustment rank of described image colour temperature, is calculated described image colour temperature in described image matrix
Colour temperature adjusting parameter the step of include：
According to the adjustment rank of the described image colour temperature for obtaining, it is calculated described image colour temperature and exists
Coordinate value in described image matrix；
According to the coordinate value and predetermined colour temperature regulation coefficient, described image colour temperature is calculated
The first pixel value of three chrominance channels of correspondence in described image matrix.
3. image adjusting method as claimed in claim 2, it is characterised in that the basis
The adjustment rank of the described image colour temperature of acquisition, is calculated described image colour temperature in described image
The step of coordinate value in matrix, includes：
According to the adjustment rank, described image colour temperature is calculated in described image matrix
Two-dimensional coordinate value；
The two-dimensional coordinate value is converted to into D coordinates value.
4. image adjusting method as claimed in claim 3, it is characterised in that the basis
The coordinate value and predetermined colour temperature regulation coefficient, are calculated described image colour temperature in the figure
As further including the step of the first pixel value of three chrominance channels of correspondence in matrix：
According to the D coordinates value and predetermined colour temperature regulation coefficient, described image is calculated
Colour temperature in described image matrix with one-to-one first pixel value in three chrominance channel.
5. image adjusting method as claimed in claim 2, it is characterised in that the basis
The colour temperature adjusting parameter carries out colour temperature adjustment, obtain Jing colour temperature adjust after image the step of it
Also include afterwards：
Obtain the max pixel value and minimum pixel value of three chrominance channel；
According to the first of the max pixel value, minimum pixel value and correspondence three chrominance channel
Pixel value, is calculated respectively the second pixel value of correspondence three chrominance channel；
White balance process is carried out to the image Jing after colour temperature adjustment according to second pixel value, with
Obtain the image of color balance.
6. a kind of terminal device, it is characterised in that the terminal device includes：
Generation module, for obtaining image in area of skin color, and generate the correspondence colour of skin area
The image array in domain；
Receiver module, for receiving colour temperature adjust instruction, obtains the adjustment rank of color temp；
Parameter calculating module, for according to the adjustment rank of described image colour temperature, being calculated institute
State colour temperature adjusting parameter of the color temp in described image matrix；
Adjusting module, for carrying out colour temperature adjustment to described image according to the colour temperature adjusting parameter,
Obtain the image Jing after colour temperature is adjusted.
7. terminal device as claimed in claim 6, it is characterised in that the parameter is calculated
Module includes：
First computing unit, for according to the adjustment rank of the described image colour temperature for obtaining, calculating
Obtain coordinate value of the described image colour temperature in described image matrix；
Second computing unit, for according to the coordinate value and predetermined colour temperature regulation coefficient, meter
Calculation obtains the first pixel value of described image colour temperature three chrominance channels of correspondence in described image matrix.
8. terminal device as claimed in claim 7, it is characterised in that described first calculates
Unit includes：
Computation subunit, for according to the adjustment rank, being calculated described image colour temperature and existing
Two-dimensional coordinate value in described image matrix；
Conversion subunit, for the two-dimensional coordinate value to be converted to into D coordinates value.
9. terminal device as claimed in claim 8, it is characterised in that described second calculates
Unit is further used for：
According to the D coordinates value and predetermined colour temperature regulation coefficient, described image is calculated
Colour temperature in described image matrix with one-to-one first pixel value in three chrominance channel.
10. terminal device as claimed in claim 7, it is characterised in that the terminal device
Also include：
Acquisition module, for obtaining the max pixel value and minimum pixel value of three chrominance channel；
Pixel computing module, for according to the max pixel value, minimum pixel value and correspondence
First pixel value of three chrominance channel, is calculated respectively the second of correspondence three chrominance channel
Pixel value；
Processing module, for being carried out to the image Jing after colour temperature adjustment according to second pixel value
White balance process, to obtain the image of color balance.
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