CN107302662A - A kind of method, device and mobile terminal taken pictures - Google Patents
A kind of method, device and mobile terminal taken pictures Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/04—Context-preserving transformations, e.g. by using an importance map
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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Abstract
The embodiment of the present invention belongs to communication technical field, more particularly to a kind of method, device and mobile terminal taken pictures.Methods described includes：The facial image of preview is obtained by camera；Obtain the characteristic information of the facial image；The characteristic information includes the colouring information of the facial image；Ratio of the color value in the color value of the facial image in the colouring information, determines the first skin tone value of the facial image；Obtain U.S. face parameter corresponding with first skin tone value；U.S. face is carried out according to the U.S. face parameter to take pictures.The embodiment of the present invention can realize the automatic colour of skin for obtaining the facial image in preview image of taking pictures, and the corresponding U.S. face parameter of adjust automatically is taken pictures to carry out U.S. face, the problem of user sets caused by U.S. face parameter complex operation and poor U.S. face effect manually is avoided, Consumer's Experience and U.S. face effect is improved.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of method, device and mobile terminal taken pictures.
Background technology
The all built-in U.S. face camera function of current mobile terminal increasing on the market.
In the prior art, user needs to set U.S. face parameter manually to reach that user wants using above-mentioned U.S. face camera function
U.S. face take pictures effect.
However, set the mode of U.S. face parameter more complicated manually, inadequate hommization；And which kind of U.S. user does not know yet
Face parameter is adapted to the colour of skin of oneself, it is impossible to accurate to set U.S. face parameter, causes the problem of U.S. face effect is poor.
The content of the invention
The embodiment of the present invention provides a kind of method taken pictures, to solve carrying out when U.S. face is taken pictures, it is necessary to which user sets manually
The problem of putting caused by U.S. face parameter complex operation and poor U.S. face effect.
In order to solve the above-mentioned technical problem, the present invention is realized in：A kind of method taken pictures, methods described includes：
The facial image of preview is obtained by camera；
Obtain the characteristic information of the facial image；The characteristic information includes the colouring information of the facial image；
Ratio of the color value in the color value of the facial image in the colouring information, determines the face
First skin tone value of image；
Obtain U.S. face parameter corresponding with first skin tone value；
U.S. face is carried out according to the U.S. face parameter to take pictures.
The embodiment of the present invention additionally provides a kind of device taken pictures, and described device includes：
Facial image acquisition module, the facial image for obtaining preview by camera；
Characteristic information acquisition module, the characteristic information for obtaining the facial image；The characteristic information includes described
The colouring information of facial image；
Face complexion determining module, for the color value in the colouring information the facial image color value
In ratio, determine the first skin tone value of the facial image；
U.S. face parameter acquisition module, for obtaining U.S. face parameter corresponding with first skin tone value；
U.S. face parameter photo module, takes pictures for carrying out U.S. face according to the U.S. face parameter.
The embodiment of the present invention is additionally provided with a kind of mobile terminal, including processor, memory and is stored in the storage
On device and the computer program that can run on the processor, the computer program is realized such as during the computing device
The step of method taken pictures any one of the claims.
In embodiments of the present invention, when the U.S. face of progress is taken pictures, the facial image of preview is obtained by camera, further
Obtain the colouring information of above-mentioned facial image；Then color of the color value in above-mentioned colouring information in above-mentioned facial image
Ratio in value, determines the first skin tone value of above-mentioned facial image, and obtain U.S. face parameter corresponding with above-mentioned first skin tone value
U.S. face is carried out to take pictures；Therefore the embodiment of the present invention can realize the automatic colour of skin for obtaining the facial image in preview image of taking pictures,
And the corresponding U.S. face parameter of adjust automatically is taken pictures to carry out U.S. face, it is to avoid operation is multiple caused by user sets U.S. face parameter manually
The problem of miscellaneous and U.S. face effect is poor, improves Consumer's Experience and U.S. face effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of hardware architecture diagram for the mobile terminal for realizing each embodiment of the invention；
Fig. 2 be the inventive method embodiment one it is a kind of take pictures method the step of flow chart；
Fig. 3 be the inventive method embodiment two it is a kind of take pictures method the step of flow chart；
Fig. 4 be the inventive method embodiment three it is a kind of take pictures method the step of flow chart；
Fig. 5 is a kind of structured flowchart of one of device taken pictures of apparatus of the present invention example IV；
Fig. 6 is a kind of two structured flowchart of device taken pictures of apparatus of the present invention example IV；
Fig. 7 is a kind of three structured flowchart of device taken pictures of apparatus of the present invention example IV.
Embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
In embodiments of the present invention, mobile terminal include but is not limited to be such as mobile phone, tablet personal computer, notebook computer,
The mobile terminals such as palm PC, guider, wearable device, Intelligent bracelet, pedometer.
Fig. 1 is a kind of hardware architecture diagram of mobile terminal of realization each embodiment of the invention, the mobile terminal 1 00
Including but not limited to：Radio frequency unit 101, mixed-media network modules mixed-media 102, audio output unit 103, (audio/video) input block 104,
Sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, Yi Ji electricity
The grade part of source 111.It will be understood by those skilled in the art that the mobile terminal structure shown in Fig. 1 is not constituted to mobile terminal
Restriction, mobile terminal can include than illustrating more or less parts, either combine some parts or different parts
Arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, up data are sent into base station.Generally, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution), TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution), Wi-Fi module, NFC module and bluetooth module
Deng.
Mobile terminal can help user to send and receive e-mail, browse webpage and access streaming matchmaker by mixed-media network modules mixed-media 102
Body etc., it has provided the user wireless broadband internet and accessed, and mixed-media network modules mixed-media 102 includes but is not limited to be RJ45 port modules
Deng.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, it is that radio frequency unit 101 or mixed-media network modules mixed-media 102 are received or
The voice data stored in memory 109 is converted into audio signal and is output as sound.Moreover, audio output unit 103
The audio output related to the specific function that mobile terminal 1 00 is performed can also be provided (for example, call signal receives sound, disappeared
Breath receives sound etc.).Audio output unit 103 includes loudspeaker, buzzer and receiver etc..
Input block 104 is used to receive audio or video signal.Input block 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042,1041 pairs of graphics processor is in video acquisition mode
Or the view data progress of the static images or video obtained in image capture mode by image capture apparatus (such as camera)
Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after being handled through graphics processor 1041 can be deposited
Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or mixed-media network modules mixed-media 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Mobile terminal 1 00 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 1 00 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, available for identification mobile terminal posture should
With (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion)
Deng；The fingerprint sensor that can also configure as mobile terminal, pressure sensor, iris sensor, molecule sensor, gyroscope,
The other sensors such as barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can be wrapped
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.
User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with
And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it
(such as user is using any suitable objects such as finger, stylus or annex on contact panel 1071 or in contact panel 1071
Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can
To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can be wrapped
Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more, do not limit herein specifically.
Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, with preprocessor 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel
1061 be input and the output function that mobile terminal is realized as two independent parts, but in certain embodiments, can
By contact panel 1071 and the input that is integrated and realizing mobile terminal of display panel 1061 and output function, not do specifically herein
Limit.
Interface unit 108 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..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 1 00 or can be with
For transmitting data between mobile terminal 1 00 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, application program (the such as sound that storing program area can be needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data field can be stored uses created data (such as according to mobile phone
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, it can also include non-easy
The property lost memory, for example, at least one disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by operation or performs and is stored in software program and/or module in memory 109, and calls and be stored in storage
Data in device 109, perform the various functions and processing data of mobile terminal, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units；It is preferred that, processor 110 can integrated application processor and modulatedemodulate mediate
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 1 00 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
In addition, mobile terminal 1 00 includes some unshowned functional modules, it will not be repeated here.
Based on the hardware configuration of above-mentioned mobile terminal, Detailed Description is carried out to various embodiments of the present invention below.
【Embodiment of the method part】
Embodiment one
Shown in reference picture 2, the embodiments of the invention provide a kind of method taken pictures, the above method can specifically include step
201-205：
Step 201：The facial image of preview is obtained by camera.
The embodiment of the present invention can apply in the intelligent terminal with camera；Above-mentioned intelligent terminal can include movement
Terminal, smart camera etc..
In a kind of embodiment of the embodiment of the present invention, the application program that above-mentioned camera is taken pictures is called when opening
When, the facial image of above-mentioned camera preview occurs on the screen of intelligent terminal, the face figure of above-mentioned preview is now obtained
Picture；Or occur the image of taking pictures of above-mentioned camera preview on the screen of intelligent terminal, and by recognition of face from above-mentioned bat
During according to identifying facial image in image, the above-mentioned facial image identified is obtained.
Step 202：Obtain the characteristic information of above-mentioned facial image；Features described above information includes the color of above-mentioned facial image
Information.
In embodiments of the present invention, the characteristic information of above-mentioned facial image is obtained；Features described above information includes above-mentioned face
The colouring information of image.Above-mentioned colouring information can include the color value for constituting each pixel of above-mentioned facial image；Can also
By various image sampling methods, the colouring information of above-mentioned facial image is obtained.
Specifically, the colouring information for each block of pixels for constituting above-mentioned facial image is for example obtained by down-sampled method；On
The colouring information for stating block of pixels can be the average value of the color value for each pixel for constituting above-mentioned block of pixels.
Above-mentioned colouring information can include a variety of method for expressing, usually, can using RGB (red green blue tricolor) values or
Person ESL (tone, saturation degree, brightness) values are represented.
It is understood that in rgb value, a variety of colors can be represented by above-mentioned red green blue tricolor：Red values-
Red span (0-255), Green values-green span (0-255), Blue values-blueness span (0-255)；It is logical
Cross rgb value, black can be expressed as (0,0,0), pure white to be expressed as (255,255,255), true yellow can be expressed as (255,
255,0)。
In ESL values, tone represents the basic colors of color；Saturation degree represents the bright-coloured degree of above-mentioned basic colors；It is bright
Degree represents the shading value of above-mentioned basic colors.
For example, the colouring information of some block of pixels of the facial image of Huang partially may be (200,164,136) or ESL
It is worth (17,88,158).
In a kind of embodiment of the embodiment of the present invention, the step of the characteristic information of the above-mentioned facial image of above-mentioned acquisition it
Before, it can also include：Obtain the light source information of taking pictures of above-mentioned facial image；According to the light source information of taking pictures of above-mentioned facial image,
Blank level adjustment is carried out to above-mentioned facial image.
Above-mentioned light source information of taking pictures can specifically include the color temperature information of above-mentioned light source of taking pictures, for defining light source colour
One physical quantity.The colour temperature of the solar source on such as daytime is higher, and the solar source colour temperature at dusk is relatively low.In the light that colour temperature is higher
Taken pictures under source, the facial image of acquisition may be partially blue or green；Taken pictures under the relatively low light source of colour temperature, the facial image of acquisition may be partially
It is yellow.Therefore the colouring information for appointing bright image shot under the light source of different-colour may be different, to subsequently being believed according to color
Breath determines skin tone value, then determines the method for U.S. face parameter and may have error, because not in view of photographic light sources
Colour temperature changes.
Colour temperature can also be passed through by inputting photo environment information by obtaining the light source information of taking pictures of above-mentioned facial image
Sensor is obtained, can also be by other means.
Therefore the embodiment of the embodiment of the present invention can obtain colouring information more accurately facial image, and then can obtain
The skin tone value of more accurately facial image, and more U.S. face parameter are obtained, U.S. face effect is improved.
Step 203：Ratio of the color value in the color value of above-mentioned facial image in above-mentioned colouring information, it is determined that
First skin tone value of above-mentioned facial image.
Above-mentioned first skin tone value can be above-mentioned facial image each color value in the maximum color value of accounting or
Color value of the accounting more than the first preset ratio in each color value of above-mentioned facial image；Can also be according to above-mentioned each color value
Ratio, using, as characteristic color value, other color values do not consider as variegated, only root more than each color value of the second preset ratio
Above-mentioned first skin tone value is further determined that according to above-mentioned each characteristic color value.In a word, the embodiment of the present invention is without limitation.
It is understood that above-mentioned color value can be the interval of a color value or a color value.
Above-mentioned color value can also be default color value, for example；Above-mentioned color value can include default corresponding to people
The first color value, second color value of the skin tone value of face etc.；Ornaments, dress ornament, tooth, eyes, lip, shelter etc. can be excluded
What may be brought is variegated.
Color value interval (the 220-250,160-190,140- that such as the first color value can represent for a rgb value
170) wheat, is represented；The pixel that then rgb value is located in this color value interval belongs to the corresponding pixel of this color value；Together
Sample ground, the block of pixels that rgb value is located in this color value interval belongs to the corresponding block of pixels of this color value.
In a kind of embodiment of the embodiment of the present invention, the corresponding block of pixels of color value in above-mentioned colouring information exists
Ratio in the block of pixels of above-mentioned facial image, determines the first skin tone value of above-mentioned facial image.For example facial image is divided into
The number of the corresponding block of pixels of wheat (220-250,160-190,140-170) in 1000 block of pixels, above-mentioned each block of pixels
For 600, i.e., ratio of the wheat in above-mentioned facial image is 60% in above-mentioned colouring information, and accounting is maximum, it is determined that above-mentioned
Wheat is the first skin tone value of above-mentioned facial image.
Step 204：Obtain U.S. face parameter corresponding with above-mentioned first skin tone value.
In embodiments of the present invention, according to above-mentioned first skin tone value, in corresponding pass of the default skin tone value with U.S. face parameter
In system, U.S. face parameter corresponding with above-mentioned first skin tone value is obtained.
Above-mentioned U.S. face parameter can include the colour of skin parameter of facial image, mill skin parameter, the wide parameter of face, hair parameter, each
The parameter at face position, U.S. face selection region parameter, exposure parameter when taking pictures etc..Wherein, above-mentioned colour of skin parameter can be wrapped
Include the parameters such as skin brightness, colour of skin saturation degree, colour of skin colour temperature；Above-mentioned mill skin parameter can include mill skin zone position selection parameter, mill
Bark effect selection parameter etc..
For example when above-mentioned first skin tone value is close to the black colour of skin, i.e., rgb value is small close to the brightness in (0,0,0), or ESL values
In the first brightness preset value, then skin brightness can be more than the first skin brightness value；When above-mentioned first skin tone value is close to the white colour of skin
When, i.e., rgb value is more than the second brightness preset value close to the brightness in (255,255,255), or ESL values, then skin brightness can be with
Less than the second skin brightness value；When the intensity value of above-mentioned first skin tone value is more than the first saturation degree preset value, then the colour of skin is satisfied
It can be less than the first colour of skin saturation degree with degree, can make it that the skin of facial image is finer and smoother.
Step 205：U.S. face is carried out according to above-mentioned U.S. face parameter to take pictures.
In a kind of embodiment of the embodiment of the present invention, when getting U.S. face parameter corresponding with above-mentioned first skin tone value
Afterwards, the corresponding U.S. face effect of above-mentioned U.S. face parameter can be loaded onto to the preview region of above-mentioned camera in the screen of intelligent terminal
In domain, then when taking pictures, U.S. face is carried out according to above-mentioned U.S. face parameter and taken pictures.
So, in embodiments of the present invention, when the U.S. face of progress is taken pictures, the facial image of preview is obtained by camera,
Further obtain the colouring information of above-mentioned facial image；Then the color value in above-mentioned colouring information is in above-mentioned facial image
Color value in ratio, determine the first skin tone value of above-mentioned facial image, and obtain U.S. corresponding with above-mentioned first skin tone value
Face parameter carries out U.S. face and taken pictures；Therefore the embodiment of the present invention, which can be realized, automatic obtains facial image in preview image of taking pictures
The colour of skin, and the corresponding U.S. face parameter of adjust automatically takes pictures to carry out U.S. face, it is to avoid user is set caused by U.S. face parameter manually
The problem of complex operation and poor U.S. face effect, improve Consumer's Experience and U.S. face effect.
Embodiment two
Shown in reference picture 3, the embodiments of the invention provide another method taken pictures, the above method can specifically include step
Rapid 301-306：
Step 301：The facial image of preview is obtained by camera.
Step 302：Obtain the characteristic information of above-mentioned facial image；Features described above information includes the pixel of above-mentioned facial image
The color value of point.
In a kind of embodiment of the embodiment of the present invention, above-mentioned face figure can be obtained by image sampling or analysis
The characteristic information of picture；Or above-mentioned facial image is uploaded to predetermined server, and receive the root that above-mentioned predetermined server is returned
The characteristic information obtained according to above-mentioned facial image；Features described above information includes the color value of the pixel of above-mentioned facial image.
Above-mentioned color value can include the color value areas such as ivory white, rice white, wheat, honey color, bronze-colored, black pearl
Between.In embodiments of the present invention, can be according to rgb value or ESL values of the pixel of above-mentioned facial image etc., by above-mentioned each picture
Vegetarian refreshments is divided into above-mentioned each color value interval.
Step 303：Calculate all pixels of the quantitative value in above-mentioned facial image of pixel corresponding with above-mentioned color value
Accounting in the quantitative value of point.
In embodiments of the present invention, pixel corresponding with above-mentioned color value is calculated for each above-mentioned color value respectively
Accounting of the quantitative value in the quantitative value of the pixel of above-mentioned facial image.
The rgb value color interval of such as rice white is (220-250,200-210,180-190), then above-mentioned rice white correspondence
Accounting of the quantitative value 35000 in the quantitative value 100000 of the pixel of above-mentioned facial image of pixel be 35%.
Step 304：Determine the maximum color value of above-mentioned accounting as the first skin tone value of above-mentioned facial image.
For example, the first number of ivory white corresponding pixel is in the second number of the pixel of above-mentioned facial image
Accounting is 4%；The corresponding accounting of above-mentioned rice white is 18%；The corresponding accounting of above-mentioned wheat is 35%；Above-mentioned honey color pair
The accounting answered is 11%, and the corresponding accounting of other color values is 32%；Then determine the maximum rice white of above-mentioned accounting as above-mentioned
First skin tone value of facial image.
The embodiment of the present invention can highlight the maximum color value of accounting in above-mentioned facial image, because for overall skin tone value
For close different facial images, the maximum color value of accounting is different, therefore can be maximum according to accounting to the colour of skin
Color value carry out it is further careful divide, obtain more subtly more targeted U.S. face parameter and U.S. face effect.
Step 305：Obtain U.S. face parameter corresponding with above-mentioned first skin tone value.
In embodiments of the present invention, can be in the default database including skin tone value with the corresponding relation of U.S. face parameter
In, search U.S. face parameter corresponding with above-mentioned first skin tone value.
In embodiments of the present invention, the ethnic information of above-mentioned facial image can also according to above-mentioned first skin tone value, be obtained；
Obtain U.S. face parameter corresponding with above-mentioned ethnic information.
If for example above-mentioned first skin tone value is wheat, above-mentioned mill skin zone position selection parameter can include face area,
Chin area etc., but place between the eyebrows region, wing of nose region etc. can not be included.Because the corresponding ethnic information of wheat is likely to print
People is spent, for religious belief or race's culture, Indian is accustomed to the marking red on place between the eyebrows point, or married woman is in the wing of nose
Perforation wearing nose decorations, therefore avoid carrying out mill skin processing for above-mentioned place between the eyebrows region and above-mentioned wing of nose region as far as possible.
Step 306：U.S. face is carried out according to above-mentioned U.S. face parameter to take pictures.
So, in embodiments of the present invention, when the U.S. face of progress is taken pictures, the facial image of preview is obtained by camera,
Further obtain the colouring information of above-mentioned facial image；Then the color value in above-mentioned colouring information is in above-mentioned facial image
Color value in ratio, determine the first skin tone value of above-mentioned facial image, and obtain U.S. corresponding with above-mentioned first skin tone value
Face parameter carries out U.S. face and taken pictures
So, in embodiments of the present invention, when the U.S. face of progress is taken pictures, the facial image of preview is obtained by camera,
Further obtain the color value of the pixel of above-mentioned facial image；Then according to the quantity of pixel corresponding with above-mentioned color value
It is worth the accounting in the quantitative value of all pixels point of above-mentioned facial image, determines the maximum color value of accounting as above-mentioned face
First skin tone value of image, and obtain U.S. face parameter corresponding with above-mentioned first skin tone value and carry out U.S.'s face and take pictures；Therefore it is of the invention
On the one hand embodiment can realize the automatic colour of skin for obtaining the facial image in preview image of taking pictures, and the corresponding U.S. of adjust automatically
Face parameter is taken pictures to carry out U.S. face, it is to avoid user sets complex operation caused by U.S. face parameter and U.S. face effect difference manually
Problem, improves Consumer's Experience and U.S. face effect；On the other hand, using the maximum color value of accounting as above-mentioned first skin tone value,
The maximum color value of accounting in above-mentioned facial image can be highlighted, more subtly more targeted U.S. face parameter and U.S. face is obtained
Effect.
Embodiment three
Shown in reference picture 4, the embodiments of the invention provide the method that another is taken pictures, the above method can specifically include step
Rapid 401-406：
Step 401：The facial image of preview is obtained by camera.
Step 402：Obtain the characteristic information of above-mentioned facial image；Features described above information includes the color of above-mentioned facial image
Information.
Step 403：Ratio of the color value in the characteristic area of above-mentioned facial image in above-mentioned colouring information, really
Determine second skin tone value in features described above region.
In embodiments of the present invention, above-mentioned facial image can be divided into by each characteristic area according to recognition of face,
Above-mentioned facial image can be divided into by each characteristic area according to the feature of each organ of human face region；Can also be according to people's face
The composition of skin, forehead region, nasal area, cheek region and chin area etc. are divided into by above-mentioned facial image.
The method of second skin tone value of above-mentioned each characteristic area of acquisition may be referred to the first skin of above-mentioned acquisition facial image
The method of colour, is repeated no more here.
Step 404：According to the weights of above-mentioned second skin tone value, and features described above region, calculating obtains above-mentioned face figure
First skin tone value of picture.
In embodiments of the present invention, according to second skin tone value in each features described above region, and each features described above region
Weights, calculate the first skin tone value for obtaining above-mentioned facial image；The weights in above-mentioned each features described above region can be preset weights.
Such as features described above region includes forehead region, nasal area, cheek region and chin area, respectively corresponding power
Value can be respectively 1,3,4,2, then can be according to the second skin tone value conduct of the cheek region of above-mentioned Weight selected maximum weight
Above-mentioned first skin tone value；Average skin tone value can also be calculated according to the weights in each features described above region and corresponding skin tone value, with
Above-mentioned average skin tone value is used as above-mentioned first skin tone value.In a word, the embodiment of the present invention is partial to the characteristic area with maximum weight
Skin tone value as above-mentioned facial image the first skin tone value.
Step 405：Obtain U.S. face parameter corresponding with above-mentioned first skin tone value.
Step 406：U.S. face is carried out according to above-mentioned U.S. face parameter to take pictures.
Alternatively, the above method can also include：
Aesthetic information is obtained by above-mentioned camera；
The weights in features described above region corresponding with above-mentioned aesthetic information are obtained according to above-mentioned aesthetic information.
It is understood that store aesthetic information and the weights of each characteristic area in terminal where above-mentioned camera
Corresponding relation, or above-mentioned terminal can obtain pair of above-mentioned aesthetic information and the weights of each characteristic area by the webserver
It should be related to.
The embodiment of the present invention can obtain the taste characteristic information of above-mentioned facial image according to above-mentioned camera；According to above-mentioned
Taste characteristic acquisition of information aesthetic information corresponding with above-mentioned taste characteristic information；Above-mentioned aesthetic information can include race's letter
At least one of breath, nationality's information, gender information, age information.It is understood that in terminal where above-mentioned camera
The corresponding relation of taste characteristic information and aesthetic information is store, or above-mentioned terminal can obtain above-mentioned by the webserver
The corresponding relation of taste characteristic information and aesthetic information.
Above-mentioned taste characteristic information can include the information of the terminal where above-mentioned camera, such as according to above-mentioned terminal
Language message is that Korean judges that nationality's information in aesthetic information is Korean；The above-mentioned people that above-mentioned camera is obtained can be included
Ornaments information, dressing information in face image etc. determine above-mentioned aesthetic information, such as judge aesthetic information according to silver color headwear
In ethnic information be people from Miao ethnic group；The pre-set color value letter in the above-mentioned facial image that above-mentioned camera is obtained can also be included
Breath, such as pre-set color value information include cinnabar color value information, such as are judged according to vermilion place between the eyebrows mole in aesthetic information
Ethnic information is Indian etc..
Because different aesthetic informations, the corresponding weights in features described above region are also different；Such as nationality's information is Korean,
Then the weights of nasal area can be 5, because Korean is more heavily weighted toward the aesthetic of nasal area；Such as gender information is male,
Then the weights in forehead region can be 3, because male, which values, can show the forehead region of complexion；Such as age information is 10
Year, then the weights of cheek region can be 6, because teen-age aesthetic habit is inclined to cheek region.
Further, can be with after the step 405 of above-mentioned acquisition U.S. face parameter corresponding with above-mentioned first skin tone value
Including：
U.S. face parameters revision information corresponding with above-mentioned aesthetic information is obtained according to above-mentioned aesthetic information；
According to obtained above-mentioned U.S. face parameters revision information, above-mentioned U.S. face parameter is corrected.
It is understood that store aesthetic information and U.S. face parameters revision information in terminal where above-mentioned camera
Corresponding relation, or above-mentioned terminal can obtain above-mentioned aesthetic information and pair of U.S. face parameters revision information by the webserver
It should be related to.
For example, the ethnic information in above-mentioned aesthetic information is Indian, then above-mentioned mill skin zone position selection parameter is set to remove
Place between the eyebrows region, it is pure white that can also set the color of teeth value in tooth whitening parameter.Because for religious belief, Indian practises
It is used to the red marking on place between the eyebrows point, therefore avoids carrying out mill skin processing for above-mentioned place between the eyebrows region as far as possible；In addition, Hindoo
Whether pure white aesthetic habit Tooth is a key factor, it is therefore desirable to pointedly above-mentioned U.S. face parameter is modified.
For example, the ethnic information in above-mentioned aesthetic information is Black people, then the skin brightness in above-mentioned U.S. face parameter is set to be less than the first skin
Colour brightness.
So, in embodiments of the present invention, when the U.S. face of progress is taken pictures, the facial image of preview is obtained by camera,
Further obtain the second skin tone value of each characteristic area of above-mentioned facial image and the weights of each characteristic area；Then according to above-mentioned
Second skin tone value and corresponding weights, calculate the first skin tone value for obtaining above-mentioned facial image, and obtain and above-mentioned first colour of skin
It is worth the corresponding U.S. U.S. face of face parameter progress to take pictures；Therefore on the one hand the embodiment of the present invention can be realized obtains preview graph of taking pictures automatically
The colour of skin of facial image as in, and the corresponding U.S. face parameter of adjust automatically takes pictures to carry out U.S. face, it is to avoid user sets manually
The problem of putting caused by U.S. face parameter complex operation and poor U.S. face effect, improves Consumer's Experience and U.S. face effect；The opposing party
Face, can highlight the U.S. face effect of the characteristic area of maximum weight according to the different weights of each characteristic area；Can also be according to not
Same aesthetic information is modified to the weights and above-mentioned U.S. face parameter of above-mentioned each characteristic area, meets different aesthetic requirements.
【Virtual bench embodiment part】
Example IV
Shown in reference picture 5, the embodiments of the invention provide a kind of device taken pictures, said apparatus can specifically include：
Facial image acquisition module 501, the facial image for obtaining preview by camera；
Characteristic information acquisition module 502, the characteristic information for obtaining above-mentioned facial image；Features described above information includes upper
State the colouring information of facial image；
Face complexion determining module 503, for the color value in above-mentioned colouring information above-mentioned facial image face
Ratio in colour, determines the first skin tone value of above-mentioned facial image；
U.S. face parameter acquisition module 504, for obtaining U.S. face parameter corresponding with above-mentioned first skin tone value；
U.S. face parameter photo module 505, takes pictures for carrying out U.S. face according to above-mentioned U.S. face parameter.
Alternatively, shown in reference picture 6, on the basis of above-mentioned Fig. 5, above-mentioned colouring information includes the picture of above-mentioned facial image
The color value of vegetarian refreshments；Above-mentioned face complexion determining module 503 can include：
Color accounting computing unit 5031, for calculating the quantitative value of pixel corresponding with above-mentioned color value in above-mentioned people
Accounting in the quantitative value of all pixels point of face image；
First face complexion determining unit 5032, for determining the maximum color value of above-mentioned accounting as above-mentioned facial image
The first skin tone value.
Alternatively, shown in reference picture 7, on the basis of above-mentioned Fig. 5, features described above information also includes above-mentioned facial image
Each characteristic area；Above-mentioned face complexion determining module 503 can include：
Second colour of skin determining unit 5033, for the color value in above-mentioned colouring information above-mentioned facial image spy
The ratio in region is levied, second skin tone value in features described above region is determined；
Second face complexion determining unit 5034, for the power according to above-mentioned second skin tone value, and features described above region
Value, calculates the first skin tone value for obtaining above-mentioned facial image.
Further, features described above information also includes aesthetic information；Said apparatus can also include：
Aesthetic information acquisition module 506, for obtaining aesthetic information by above-mentioned camera；
Weights determining module 507, for obtaining features described above corresponding with above-mentioned aesthetic information according to above-mentioned aesthetic information
The weights in region.
Further, said apparatus can also include：
Update information acquisition module 508, for obtaining U.S. face corresponding with above-mentioned aesthetic information according to above-mentioned aesthetic information
Parameters revision information；
U.S. face parameters revision module 509, for according to obtained above-mentioned U.S. face parameters revision information, correcting above-mentioned U.S. face ginseng
Number.
Mobile terminal provided in an embodiment of the present invention can realize that mobile terminal is realized in Fig. 2 to Fig. 4 embodiment of the method
Each process, for avoid repeat, repeat no more here.
So, on the one hand the embodiment of the present invention can realize the automatic skin for obtaining the facial image in preview image of taking pictures
Color, and the corresponding U.S. face parameter of adjust automatically takes pictures to carry out U.S. face, it is to avoid user sets behaviour caused by U.S. face parameter manually
Make the problem of complicated and U.S. face effect is poor, improve Consumer's Experience and U.S. face effect；On the other hand, with the maximum color of accounting
Value can highlight the maximum color value of accounting in above-mentioned facial image as above-mentioned first skin tone value, and acquisition more subtly more has
Targetedly U.S. face parameter and U.S. face effect；Another further aspect, can highlight maximum weight according to the different weights of each characteristic area
Characteristic area U.S. face effect；Can also be according to weights and above-mentioned U.S. face of the different aesthetic informations to above-mentioned each characteristic area
Parameter is adjusted, and meets different aesthetic requirements.
【Entity apparatus embodiment part】
It is preferred that, the embodiment of the present invention also provides a kind of mobile terminal, including processor 110, and memory 109 is stored in
On memory 109 and the computer program that can be run on above-mentioned processor 110, the computer program is performed by processor 110
Each process of the above-mentioned embodiments of the method taken pictures of Shi Shixian, and identical technique effect can be reached, to avoid repeating, here not
Repeat again.
【Computer-readable medium embodiment part】
The embodiment of the present invention also provides the meter that is stored with a kind of computer-readable recording medium, computer-readable recording medium
Calculation machine program, the computer program realizes each process of the above-mentioned embodiment of the method taken pictures when being executed by processor, and can reach
To identical technique effect, to avoid repeating, repeat no more here.Wherein, above-mentioned computer-readable recording medium, it is such as read-only
Memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic disc or CD etc..
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.
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 (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (11)
1. a kind of method taken pictures, it is characterised in that methods described includes：
The facial image of preview is obtained by camera；
Obtain the characteristic information of the facial image；The characteristic information includes the colouring information of the facial image；
Ratio of the color value in the color value of the facial image in the colouring information, determines the facial image
The first skin tone value；
Obtain U.S. face parameter corresponding with first skin tone value；
U.S. face is carried out according to the U.S. face parameter to take pictures.
2. according to the method described in claim 1, it is characterised in that the colouring information includes the pixel of the facial image
Color value；Ratio of the color value in the colouring information in the color value of the facial image, determines institute
The step of the first skin tone value for stating facial image, includes：
The quantitative value of pixel corresponding with the color value is calculated in the quantitative value of all pixels point of the facial image
Accounting；
Determine the maximum color value of the accounting as the first skin tone value of the facial image.
3. according to the method described in claim 1, it is characterised in that the color value in the colouring information is described
The step of ratio in the color value of facial image, the first skin tone value for determining the facial image, includes：
Ratio of the color value in the characteristic area of the facial image in the colouring information, determines the characteristic area
Second skin tone value in domain；
According to the weights of second skin tone value, and the characteristic area, first colour of skin for obtaining the facial image is calculated
Value.
4. method according to claim 3, it is characterised in that also include：
Aesthetic information is obtained by the camera；
The weights of the characteristic area corresponding with the aesthetic information are obtained according to the aesthetic information.
5. method according to claim 4, it is characterised in that obtain U.S. face corresponding with first skin tone value described
After the step of parameter, in addition to：
U.S. face parameters revision information corresponding with the aesthetic information is obtained according to the aesthetic information；
According to the obtained U.S. face parameters revision information, the U.S. face parameter is corrected.
6. a kind of device taken pictures, it is characterised in that described device includes：
Facial image acquisition module, the facial image for obtaining preview by camera；
Characteristic information acquisition module, the characteristic information for obtaining the facial image；The characteristic information includes the face
The colouring information of image；
Face complexion determining module, for the color value in the colouring information in the color value of the facial image
Ratio, determines the first skin tone value of the facial image；
U.S. face parameter acquisition module, for obtaining U.S. face parameter corresponding with first skin tone value；
U.S. face parameter photo module, takes pictures for carrying out U.S. face according to the U.S. face parameter.
7. device according to claim 6, it is characterised in that the colouring information includes the pixel of the facial image
Color value；The face complexion determining module includes：
Color accounting computing unit, for calculating the quantitative value of pixel corresponding with the color value in the facial image
Accounting in the quantitative value of all pixels point；
First face complexion determining unit, for determining the maximum color value of the accounting as the first skin of the facial image
Colour.
8. device according to claim 6, it is characterised in that the face complexion determining module includes：
Second colour of skin determining unit, for the color value in the colouring information in the characteristic area of the facial image
Ratio, determine the second skin tone value of the characteristic area；
Second face complexion determining unit, for the weights according to second skin tone value, and the characteristic area, is calculated
To the first skin tone value of the facial image.
9. device according to claim 8, it is characterised in that also include：
Aesthetic information acquisition module, for obtaining aesthetic information by the camera；
Weights determining module, the power for obtaining the characteristic area corresponding with the aesthetic information according to the aesthetic information
Value.
10. device according to claim 9, it is characterised in that also include：
Update information acquisition module, for obtaining U.S. face parameters revision corresponding with the aesthetic information according to the aesthetic information
Information；
U.S. face parameters revision module, for according to the obtained U.S. face parameters revision information, correcting the U.S. face parameter.
11. a kind of mobile terminal, it is characterised in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, the computer program is realized such as claim 1 to 5 during the computing device
Any one of the method taken pictures the step of.
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