CN105744174B - A kind of self-timer method, device and mobile terminal - Google Patents

A kind of self-timer method, device and mobile terminal Download PDF

Info

Publication number
CN105744174B
CN105744174B CN201610086356.0A CN201610086356A CN105744174B CN 105744174 B CN105744174 B CN 105744174B CN 201610086356 A CN201610086356 A CN 201610086356A CN 105744174 B CN105744174 B CN 105744174B
Authority
CN
China
Prior art keywords
color temperature
skin
screen
value
temperature value
Prior art date
Application number
CN201610086356.0A
Other languages
Chinese (zh)
Other versions
CN105744174A (en
Inventor
吴磊
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201610086356.0A priority Critical patent/CN105744174B/en
Publication of CN105744174A publication Critical patent/CN105744174A/en
Application granted granted Critical
Publication of CN105744174B publication Critical patent/CN105744174B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/2354Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by influencing the scene brightness using illuminating means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/73Circuits for processing colour signals colour balance circuits, e.g. white balance circuits, colour temperature control
    • H04N9/735Circuits for processing colour signals colour balance circuits, e.g. white balance circuits, colour temperature control for picture signal generators

Abstract

The embodiment of the invention discloses a kind of self-timer method, device and mobile terminals.This method comprises: controlling screen when monitoring that the screen light filling event of taking pictures is triggered with default screen color temp value and carrying out light filling, and control camera and capture the first image;When the current skin color temperature value for the facial image for including in the first image is not within pre-set skin reference color temperature, target screen color temperature value is determined according to current skin color temperature value;It controls screen and light filling is carried out with target screen color temperature value, and control the camera and capture the second image, taken a picture certainly with generating.The embodiment of the present invention is by using above-mentioned technical proposal, when the skin color temperature value of facial image is undesirable in the case of light filling for the first time, the secondary light filling to face can be realized by readjusting suitable screen color temp, face can obtain better light filling effect at this time, it is captured to take a picture certainly, facial image colour of skin effect is ideal, can be effectively improved self-timer photographic quality, promotes user experience.

Description

A kind of self-timer method, device and mobile terminal

Technical field

The present embodiments relate to field of photographing technology more particularly to a kind of self-timer methods, device and mobile terminal.

Background technique

Currently, the mobile terminals such as mobile phone and tablet computer are configured with camera mostly, keep mobile terminal user light Realize self-timer.But the camera of existing mobile terminal is all not equipped with light compensating lamp, in night or light poor environment Self-timer can be difficult to obtain ideal self-timer effect because of under-exposure.

In order to obtain suitable exposure in user's self-timer, a kind of existing scheme is in self-timer by lighting screen (control display screen shows suitable brightness) Lai Peihe camera light filling.However, screen is in existing scheme with fixed color temperature value Light filling is carried out to all scenery in viewfinder range, and may cause the face skin from taking a picture in different shooting environmentals Colour cast is yellow or partially blue, and shooting effect is undesirable, is unable to satisfy user demand.

Summary of the invention

The purpose of the embodiment of the present invention is that a kind of self-timer method, device and mobile terminal are provided, to solve to mend based on screen The undesirable problem of middle facial image colour of skin effect of taking a picture certainly of light.

In a first aspect, the embodiment of the invention provides a kind of self-timer methods, comprising:

When monitoring that the screen light filling event of taking pictures is triggered, screen is controlled with default screen color temp value and carries out light filling, and is controlled Camera processed captures the first image;

Judge whether the current skin color temperature value for the facial image for including in the first image is in pre-set skin colour temperature Within the scope of, if it is not, then determining target screen color temperature value according to the current skin color temperature value;

It controls the screen and light filling is carried out with the target screen color temperature value, and control the camera and capture the second figure Picture;

It is generated according to second image and is taken a picture certainly.

Second aspect, the embodiment of the invention provides a kind of self-timers, comprising:

First image capture module when for monitoring that the screen light filling event of taking pictures is triggered, controls screen with default screen Curtain color temperature value carries out light filling, and controls camera and capture the first image;

Judgment module, for judging whether the current skin color temperature value for the facial image for including in the first image is in Within pre-set skin reference color temperature;

Target screen color temp determining module, the current skin of the facial image for including in judging the first image When colour of skin temperature value is not within pre-set skin reference color temperature, target screen color temp is determined according to the current skin color temperature value Value;

Second image capture module carries out light filling for controlling the screen with the target screen color temperature value, and controls The camera captures the second image;

From generation module of taking a picture, take a picture certainly for being generated according to second image.

The third aspect, the embodiment of the invention provides a kind of mobile terminal, the mobile terminal is integrated with implementation of the present invention Self-timer in example.

The self-timer scheme provided in the embodiment of the present invention is first controlled when monitoring that the screen light filling event of taking pictures is triggered Screen carries out light filling with default screen color temp value, and controls camera and capture the first image, then judge include in the first image Whether the current skin color temperature value of facial image is within pre-set skin reference color temperature, includes in judging the first image When the current skin color temperature value of facial image is not within pre-set skin reference color temperature, then determined according to current skin color temperature value Then target screen color temperature value controls screen with target screen color temperature value and carries out light filling, and controls camera and capture the second image, It is finally generated according to the second image and is taken a picture certainly.By using above-mentioned technical proposal, the facial image in the case of light filling for the first time When skin color temperature value is undesirable, that is to say, that face complexion and desired skin tone can be closed there are when deviation by readjusting Suitable screen color temp realizes that face can obtain better light filling effect at this time to the secondary light filling of face in viewfinder range, Captured to take a picture certainly, facial image colour of skin effect is ideal, can be effectively improved self-timer photographic quality, promote user experience.

Detailed description of the invention

Fig. 1 is a kind of flow diagram for self-timer method that the embodiment of the present invention one provides;

Fig. 2 is a kind of flow diagram of self-timer method provided by Embodiment 2 of the present invention;

Fig. 3 is a kind of flow diagram for self-timer method that the embodiment of the present invention three provides;

Fig. 4 is a kind of flow diagram for preferred self-timer method that the embodiment of the present invention four provides;

Fig. 5 is a kind of structural block diagram for self-timer method device that the embodiment of the present invention five provides.

Specific embodiment

To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.It is understood that It is that specific embodiment described herein is used only for explaining the present invention rather than limiting the invention.It further needs exist for illustrating , only the parts related to the present invention are shown for ease of description, in attached drawing rather than entire infrastructure.

It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail The processing or method described as flow chart.Although each step is described as the processing of sequence by flow chart, many of these Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation The processing can be terminated when completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with Corresponding to method, function, regulation, subroutine, subprogram etc..

Embodiment one

Fig. 1 is the flow diagram for the self-timer method that the embodiment of the present invention one provides, and this method can be held by self-timer Row, wherein the device can be implemented by software and/or hardware, and can generally integrate in the terminal.As shown in Figure 1, this method packet It includes:

Step 101 when monitoring that the screen light filling event of taking pictures is triggered, is controlled screen and is mended with default screen color temp value Light, and control camera and capture the first image.

Illustratively, the mobile terminal in the present embodiment concretely match by mobile phone, tablet computer and digital camera etc. It is equipped with the terminal device of display screen.

Illustratively, before the camera in the present embodiment is concretely fixed on mobile terminal positive (ipsilateral with screen) Camera is set, the positive rotatable camera of mobile terminal can also be in for current location.

Illustratively, monitoring the screen light filling event of taking pictures to be triggered specifically can refer to monitor that user passes through the modes such as key It actively triggers screen light filling to take pictures event, also can refer to monitor that mobile terminal automatic trigger screen light filling is taken pictures event.For example, working as Camera in mobile terminal is in the open state, and screen light filling camera function it is in the open state under when, detect user After pressing camera button, survey light is carried out by devices such as ambient light sensors, when low comprising current environmental light brightness in photometry result When predetermined luminance threshold value, automatic trigger screen light filling event.It should be noted that can also be opened detecting that camera is in State, and screen light filling camera function it is in the open state under when, directly start survey light, when in photometry result include current environment When brightness is lower than predetermined luminance threshold value, automatic trigger screen light filling is taken pictures event, control screen with default screen color temp value into Row light filling when detecting that user presses shoot button, then controls camera and captures the first image.

Illustratively, control screen carries out light filling and is often referred to the light filling image that control screen shows higher brightness, shields at this time The light that curtain issues can be irradiated on the object including face, achieve the purpose that light filling.The color of light filling image can be with It is measured by color temperature value, the screen color temp value in the present embodiment can be understood as the color temperature value of light filling image.Wherein, colour temperature (color temperature) is the scale for indicating that light source is photochromic, and unit is K (Kelvin), is also intended to indicate that light source light spectrum The most general index of quality.The low light of colour temperature is partially yellow, such as incandescent lamp, and color temperature value is in 2800K or so;The high light of colour temperature is partially blue, Such as ultraviolet light, color temperature value is in 9000K or more.In general, can be by changing three primary colours RGB (red R ed, green Green and indigo plant Color Blue) mixed proportion, simulate increase and decrease colour temperature effect, that is to say, that can by change light filling image rgb value come Adjust screen color temp value.

Illustratively, pre-set fixed value (system default when screen color temp value can be mobile terminal factory is preset Value), it can also be screen color temp value of the user by the modes self-setting such as key or touch-control, for example, default screen color temp value can It is preset as the white light of 5000K.

Step 102 judges whether the current skin color temperature value for the facial image for including in the first image is in default Within the scope of skin colour temperature, if it is not, then determining target screen color temperature value according to the current skin color temperature value.

In general, the colour of skin itself due to different user has differences, and different user to preference of the colour of skin etc. not to the utmost It is identical, so pre-set skin reference color temperature can be preset by designer according to the use groups of mobile terminal, such as may be used The pre-set skin reference color temperature of system default is set according to the colour of skin feature of yellow;Pre-set skin reference color temperature can also be by user Independently it is configured.Illustratively, skin color temperature value can be divided by setting rule, generates different scene or effect Fruit is selected for user by operations such as touch screens or key.For example, can be by designer according to ethnic group (such as yellow, white Kind of people, black race) or environment (Qiang Tian, cloudy day, rainy day, snowy day etc.) etc. preset different pre-set skins in the terminal Reference color temperature option, user can select ethnic group according to self-condition, can also select fine day, rainy day or snow according to the preference of oneself Medium scene.Further, it is intuitively selected in order to facilitate user, can support user's preview on mobile terminal screen Image effect corresponding to current color temperature value.

Illustratively, judge whether the current skin color temperature value for the facial image for including in the first image is in default Within the scope of skin colour temperature, two endpoint values of current skin color temperature value and pre-set skin reference color temperature can be compared respectively Compared with determining whether the current skin color temperature value is within pre-set skin reference color temperature according to comparison result.For example, default skin Skin reference color temperature is [4500K, 5500K], if current skin color temperature value is greater than or equal to 4500K and is less than or equal to 5500K, is said Bright current skin color temperature value is in pre-set skin reference color temperature;Conversely, if current skin color temperature value is less than 4500K or is greater than 5500K then illustrates that current skin color temperature value is not in pre-set skin reference color temperature.

If judging, the current skin color temperature value for the facial image for including in the first image is not in pre-set skin color Within the scope of temperature, photo is directly generated according to the first image if can then prejudge out, the face complexion effect in photo can be paid no attention to Think.So default screen color temp value be for current shooting environmental it is inappropriate, desired skin tone can not be shot From taking a picture, colour of skin effect can be improved by adjusting screen color temp value, specifically can determine target according to current skin color temperature value Screen color temp value.The target screen color temperature value can be regarded as being used to indicate the light filling image for needing to export on mobile terminal screen Color of object.

In general, according to screen color temp value it is relatively low when, facial image color is easily partially yellow, i.e., skin color temperature value can be inclined It is low;Conversely, if facial image color is easily partially blue, i.e., skin color temperature value can be higher when the screen color temp value adopted is higher.So When determining target screen color temperature value according to current skin color temperature value, if current skin color temperature value is less than pre-set skin reference color temperature Target screen color temperature value can then be determined as being higher than the value of default screen color temp value by minimum value such as the 4500K in the example above; If the maximum value that current skin color temperature value is greater than pre-set skin reference color temperature then can be by target screen such as the 5500K in the example above Curtain color temperature value is determined as the value lower than default screen color temp value.

Step 103, the control screen carry out light filling with the target screen color temperature value, and control the camera and capture Second image.

In this step, screen is controlled with target screen color temperature value and carries out light filling, can refer to mobile terminal for current screen colour temperature Value is adjusted to target screen color temperature value, namely the corresponding light filling image of control screen displaying target screen color temp value, to object Carry out light filling.It after carrying out light filling with target screen color temperature value, then controls camera and executes the operation for capturing the second image, can have Effect improves facial image colour of skin effect.

In this step, it controls the screen and the preferably determining screen color temp of light filling is carried out with the target screen color temperature value The corresponding relationship of value and light filling image.Specifically, can determine that target screen color temp institute is right according to the corresponding relationship of colour temperature and color The color answered exports the corresponding monochrome image of the color on mobile terminal screen, controls the screen with the target screen Color temperature value carries out light filling.Usual various colors can be obtained by tri- kinds of color additions of RGB, and therefore, colour temperature is corresponding with color to close System preferably according to the corresponding relationship of screen color temp value and RGB, determines the corresponding relationship of screen color temp value Yu light filling image.Also It is to say, controls the screen with the target screen color temperature value and carry out light filling, concretely: according to screen color temp value and RGB Corresponding relationship determines RGB parameter corresponding to target screen color temperature value;Obtain monochrome image corresponding to the RGB parameter simultaneously It exports to the screen of the mobile terminal, so that screen carries out light filling.

Step 104 is generated according to second image and is taken a picture certainly.

Specifically, can refer to according to the process that second image generation is taken a picture certainly existing according to image generation photo Technology, the present embodiment is not especially limited.For example, carrying out the processing such as encoding to the second image, generates and take a picture certainly.

The self-timer scheme provided in the embodiment of the present invention is first controlled when monitoring that the screen light filling event of taking pictures is triggered Screen carries out light filling with default screen color temp value, and controls camera and capture the first image, then judge to wrap in the first image Whether the current skin color temperature value of the facial image contained is within pre-set skin reference color temperature, is judging the first image In include the current skin color temperature value of facial image when being not within pre-set skin reference color temperature, then according to the current skin Colour of skin temperature value determines target screen color temperature value, controls the screen then with the target screen color temperature value and carries out light filling, and controls It makes the camera and captures the second image, finally generated according to second image and taken a picture certainly.By using above-mentioned technical side Case, when the skin color temperature value of facial image is undesirable in the case of light filling for the first time, that is to say, that face complexion and ideal skin Color can realize the secondary light filling to face in viewfinder range by readjusting suitable screen color temp there are when deviation, this When face can obtain better light filling effect, captured to take a picture certainly, facial image colour of skin effect is ideal, can effectively change Kind self-timer photographic quality, promotes user experience.

Embodiment two

Fig. 2 is a kind of flow diagram of the photographic method based on screen light filling provided by Embodiment 2 of the present invention, this reality It applies example to optimize based on above-described embodiment, in the present embodiment, step " is judged into the people for including in the first image Whether the current skin color temperature value of face image is within pre-set skin reference color temperature " optimization are as follows: institute is obtained by recognition of face State the human face region in the first image;Obtain the current skin color temperature value of the facial image in the human face region;Described in judgement Whether current skin color temperature value is within pre-set skin reference color temperature.

Further, step " determining target screen color temperature value according to the current skin color temperature value " can also be optimized are as follows: Target screen color temperature value is determined according to the current skin color temperature value and purported skin color temperature value, wherein the purported skin color Temperature value is within the pre-set skin reference color temperature.

Correspondingly, the method for the present embodiment includes the following steps:

Step 201 when monitoring that the screen light filling event of taking pictures is triggered, is controlled screen and is mended with default screen color temp value Light, and control camera and capture the first image.

Step 202 obtains the human face region in the first image by recognition of face.

In general, may include human face region and non-face region in the viewfinder range of the first image, wherein non-face region It can be body, hat and clothes or the scenery of local environment etc. of people.In the present embodiment, described the is obtained preferably through recognition of face Human face region in one image.Specifically, face recognition process can refer to existing face recognition technology, the present embodiment is not made to have Body limits.

Step 203, the current skin color temperature value for obtaining facial image in the human face region.

Illustratively, the corresponding RGB parameter in facial image region can be read, further according to pair between RGB parameter and colour temperature It should be related to determine current skin color temperature value.

Step 204 judges whether the current skin color temperature value is within pre-set skin reference color temperature, if it is not, executing Step 205;If so, thening follow the steps 206.

Step 205 determines target screen color temperature value according to the current skin color temperature value and purported skin color temperature value, In, the purported skin color temperature value is within the pre-set skin reference color temperature.

Illustratively, purported skin color temperature value can be arranged by system default, can be the endpoint of pre-set skin reference color temperature Value or median, the average value of preferably two endpoint values.Purported skin color temperature value can be regarded as the target skin corresponding to user Skin color (desired skin tone), usual user have expection to taking a picture certainly, and permissible user presets purported skin color value, to protect Card reaches oneself expected effect from what is taken a picture;Or it can be by the skin colour temperature within terminal offer pre-set skin reference color temperature Value, is selected by users, selects in order to facilitate user, can be shown in mobile terminal in a manner of scene or effect etc. Screen on.

It illustratively, can if mobile terminal judges that current skin color temperature value is not within pre-set skin reference color temperature Target screen color temperature value is determined according to the size of current skin color temperature value and the gap of purported skin color temperature value.

Step 206 is generated according to the first image and is taken a picture certainly.

If judging, current skin color temperature value is within pre-set skin reference color temperature, can be primarily determined and currently be captured The current skin color temperature value of the first image meet basic demand of the mobile terminal to desired skin tone effect, or basically reach use The satisfaction at family can be generated according to the first image and be taken a picture certainly, and then can will be exported from taking a picture to mobile terminal screen, for Family preview or preservation.

It can refer to the existing skill that photo is generated according to image specifically, generating according to the first image from the process taken a picture Art, the present embodiment are not especially limited.

Step 207, the control screen carry out light filling with the target screen color temperature value, and control the camera and capture Second image.

Step 208 is generated according to second image and is taken a picture certainly.

Self-timer method provided by Embodiment 2 of the present invention, after control camera captures the first image, according to the first image In the current skin color temperature value of facial image of human face region determine target screen color temperature value, further can rationally control screen Light filling is carried out, effect of taking pictures can be effectively improved, guarantees picture quality, promotes user experience.

Embodiment three

Fig. 3 is a kind of flow diagram for photographic method based on screen light filling that the embodiment of the present invention three provides, this reality It applies example to optimize based on above-described embodiment, in the present embodiment, by step " according to the current skin color temperature value and mesh Mark skin color temperature value determines target screen color temperature value " optimization are as follows: calculate the current skin color temperature value and purported skin color temperature value Current skin-color temperature difference;Target screen color temperature difference value is determined according to the current skin-color temperature difference;According to the target Screen color temp difference and the default screen color temp value determine target screen color temperature value.

Correspondingly, the method for the present embodiment includes the following steps:

Step 301 when monitoring that the screen light filling event of taking pictures is triggered, is controlled screen and is mended with default screen color temp value Light, and control camera and capture the first image.

Step 302 judges whether the current skin color temperature value for the facial image for including in the first image is in default Within the scope of skin colour temperature, if it is not, executing step 303;If so, thening follow the steps 304.

Step 303, the current skin-color temperature difference for calculating the current skin color temperature value and purported skin color temperature value.

If mobile terminal judges that the current skin color temperature value for the facial image for including in the first image is not in default skin Within the scope of colour of skin temperature, the purported skin color temperature value within pre-set skin reference color temperature can be obtained, with the current skin colour temperature Value is compared, and obtains the relationship of current skin color temperature value and purported skin color temperature value, specifically, working as described above, can calculate The current skin-color temperature difference of preceding skin color temperature value and purported skin color temperature value, obtains current skin color temperature value and purported skin color The difference relationship of temperature value.

Step 304 is generated according to the first image and is taken a picture certainly.

Step 305 determines target screen color temperature difference value according to the current skin-color temperature difference.

Target screen color temperature difference value is determined according to the current skin-color temperature difference, it is preferred that is monitoring screen light filling Before the event of taking pictures is triggered further include: pre-establish the difference corresponding relationship of screen color temp difference Yu skin-color temperature difference.Into One step, it can also be by this optimization order are as follows: determine that the current skin-color temperature difference is corresponding according to the difference corresponding relationship Target screen color temperature difference value.

Illustratively, screen color temp difference and the corresponding relationship of skin-color temperature difference can be one-to-one relationship, can also For one-to-many relationship.If screen color temp difference and skin-color temperature difference are one-to-one relationship the essence, it can be achieved that image Quasi- adjustment;In view of the identification of the adjustment amplitude for the photo that visually user shows mobile terminal is limited, mesh may be worked as When mark screen color temp value adjustment is smaller, usually visually it is not easy directly observation and obtains, it therefore, can be by screen color temp difference and skin Colour of skin temperature difference is set as one-to-many relationship, i.e., multiple skin-color temperature difference correspond to a screen color temp difference, it will be appreciated that Correspond to a screen color temp difference for the skin-color temperature difference of setting range.

Specifically, the numerical relation of current skin-color temperature difference and target screen color temperature difference value, can be linear relationship or non- Linear relationship, for example, current skin-color temperature difference is equal with target screen color temperature difference value or target screen color temperature difference value is to work as K times of preceding skin-color temperature difference, wherein k is any non-zero numerical value, is set according to the actual situation in a particular application, can also According to setting rule settings mapping relations, herein and without limitation.

Step 306 determines target screen color temp according to the target screen color temperature difference value and the default screen color temp value Value.

Illustratively, target screen color temperature value can be made according to the default screen color temp value and target screen color temperature difference value and Or it is obtained as difference.It further, can also be according to the function of the target screen color temperature difference value and the default screen color temp value Relationship determines target screen color temperature value, for example, the target screen color temperature difference value and the default screen color temp value are carried out line Property combine and determine target screen color temperature value, specifically, if indicating target screen color temperature value with y, indicate default screen color temp with a Value, indicates target screen color temperature difference value with b, then target screen color temperature value can be target screen color temperature difference value and default screen color temp One linear combination of value, is represented by y=k1a+k2B, wherein k1、k2Value can be set according to the actual situation, This and without limitation.

Step 307, the control screen carry out light filling with the target screen color temperature value, and control the camera and capture Second image.

Step 308 is generated according to second image and is taken a picture certainly.

The self-timer method that the embodiment of the present invention three provides, can working as according to current skin color temperature value and purported skin color temperature value Preceding skin-color temperature difference determines target screen color temperature difference value, and according to the target screen color temperature difference value and the default screen color Temperature value determines target screen color temperature value, can further improve effect of taking pictures, and guarantees picture quality, promotes user experience.

Example IV

Fig. 4 is a kind of process signal for photographic method for being preferably based on screen light filling that the embodiment of the present invention five provides Figure, as shown in figure 4, this method comprises:

Step 401 obtains environmental light brightness.

Before shooting photo, mobile terminal can first obtain environmental light brightness, determine current environment light if appropriate for bat It takes the photograph, to guarantee shooting quality.Illustratively, local environment brightness can be obtained by the ambient light sensor configured in terminal It takes.Specifically, can also be indicated by the intensity of illumination of local environment since there are corresponding relationships with intensity for the brightness of light.One As, in different environment or under scene, intensity of illumination be will be different, if the intensity of illumination under burning sun is about 100000 Lux, intensity of illumination when cloudy are about 8000 luxs, and the intensity of illumination under street lamp is about 5 luxs, wherein 1 Le gram This=1 lumen/square metre, therefore, corresponding environmental light brightness is also different, and the environmental light brightness of different moments is often also not to the utmost It is identical.

Step 402 judges whether current environmental light brightness is lower than predetermined luminance threshold value, if so, thening follow the steps 403;It is no Then, this step is repeated.

Wherein, predetermined luminance threshold value can be set according to the actual situation by user, for example, can shoot for user in history Brightness value corresponding to the high-quality photo chosen in record can be set by user according to the preference of oneself;It can also be knot The brightness value for the suitable shooting that the performance of the camera of conjunction mobile terminal theoretically obtains, for example, can be passed through to make a thorough investigation of in practice Test the brightness value of the suitable shooting summed up.If judging, current environmental light brightness not less than predetermined luminance threshold value, can be executed directly Shooting operation.

Judge whether the current environmental light brightness that gets is lower than predetermined luminance threshold value, can preliminary judgement current environment whether It is suitble to shooting, preferably meets user demand, guarantees shooting effect.

Step 403 determines screen intensity according to the environmental light brightness.

If judging current environmental light brightness lower than predetermined luminance threshold value, the environment for illustrating that mobile terminal is presently in is darker, It may be not suitable for shooting.At this point, determine screen intensity according to environmental light brightness, light filling is carried out by adjusting screen intensity, into And improve the quality of captured image.

Step 404 when monitoring that the screen light filling event of taking pictures is triggered, controls screen with the screen intensity and default screen Curtain color temperature value carries out light filling, and controls camera and capture the first image.

As described above, when monitoring that the screen light filling event of taking pictures is triggered, can control screen with the screen intensity and Default screen color temp value carries out light filling, then controls camera and captures the first image, the preliminary shooting quality for guaranteeing the first image.

Step 405 obtains the human face region in the first image by recognition of face.

Step 406, the current skin color temperature value for obtaining facial image in the human face region

Step 407 judges whether the current skin color temperature value is within pre-set skin reference color temperature, if it is not, then holding Row step 408;If so, thening follow the steps 409.

Step 408 determines target screen color temperature value according to the current skin color temperature value.

Step 409 is generated according to the first image and is taken a picture certainly

Step 410, the control screen carry out light filling with the screen intensity and the target screen color temperature value, and control The camera captures the second image.

Step 411 is generated according to second image and is taken a picture certainly.

The self-timer method that the embodiment of the present invention four provides, the screen intensity determined according to environmental light brightness control screen Light filling is carried out with the screen intensity and target screen color temperature value, is closed so that being distributed according to the self-timer lightness that the second image generates Reason can further improve self-timer effect, guarantee photographic quality, promote user experience.

Embodiment five

Fig. 5 is the structural block diagram for the self-timer that the embodiment of the present invention five provides, which can be by software and/or hardware reality It is existing, it is typically integrated in mobile terminal, can be taken pictures by executing self-timer method to carry out light filling.As shown in figure 5, the device packet It includes: the first image capture module 501, judgment module 502, target screen color temp determining module 503, the second image capture module 504 and generation module 505 of taking a picture certainly.

Wherein, the first image capture module 501, for when monitoring that the screen light filling event of taking pictures is triggered, control flow Curtain carries out light filling with default screen color temp value, and controls camera and capture the first image;Judgment module 502, it is described for judging Whether the current skin color temperature value for the facial image for including in the first image is within pre-set skin reference color temperature;Target screen Colour temperature determining module 503, the current skin of the facial image for judging to include in the first image in the judgment module When colour of skin temperature value is not within pre-set skin reference color temperature, target screen color temp is determined according to the current skin color temperature value Value;Second image capture module 504 carries out light filling for controlling the screen with the target screen color temperature value, and controls institute It states camera and captures the second image;From generation module 505 of taking a picture, take a picture certainly for being generated according to second image.

The camera arrangement based on screen light filling that the embodiment of the present invention five provides, the facial image in the case of light filling for the first time When skin color temperature value is undesirable, that is to say, that face complexion and desired skin tone can be closed there are when deviation by readjusting Suitable screen color temp realizes that face can obtain better light filling effect at this time to the secondary light filling of face in viewfinder range, Captured to take a picture certainly, facial image colour of skin effect is ideal, can be effectively improved self-timer photographic quality, promote user experience.

On the basis of the above embodiments, described to can also be used in from generation module of taking a picture: to judge in the judgment module When the current skin color temperature value for the facial image for including in the first image out is not within pre-set skin reference color temperature, root It generates according to the first image and takes a picture certainly.

On the basis of the above embodiments, the judgment module may include human face region acquiring unit, current skin colour temperature Acquiring unit and judging unit.Wherein, human face region acquiring unit, for being obtained in the first image by recognition of face Human face region;Current skin colour temperature acquiring unit, for obtaining the current skin colour temperature of the facial image in the human face region Value;Judging unit, for judging whether the current skin color temperature value is within pre-set skin reference color temperature.

On the basis of the above embodiments, the target screen color temp determining module specifically can also be used in: be worked as according to described Preceding skin color temperature value and purported skin color temperature value determine target screen color temperature value, wherein the purported skin color temperature value is in institute It states within pre-set skin reference color temperature.

On the basis of the above embodiments, the target screen color temp determining module can further comprise skin-color temperature difference Computing unit, target screen color temperature difference value determination unit and target screen color temperature value determination unit.Wherein, skin-color temperature difference meter Unit is calculated, for calculating the current skin-color temperature difference of the current skin color temperature value and purported skin color temperature value;Target screen Colour temperature difference value determining unit, for determining target screen color temperature difference value according to the current skin-color temperature difference;Target screen color Temperature value determination unit, for determining target screen color temp according to the target screen color temperature difference value and the default screen color temp value Value.

On the basis of the above embodiments, the self-timer may also include difference corresponding relation building module, be used for Before monitoring that the screen light filling event of taking pictures is triggered, it is corresponding with the difference of skin-color temperature difference to pre-establish screen color temp difference Relationship;Correspondingly, the target screen color temperature difference value determination unit is particularly used in: determining institute according to the difference corresponding relationship State the corresponding target screen color temperature difference value of current skin-color temperature difference.

On the basis of the above embodiments, the self-timer may also include environmental light brightness acquisition module, for supervising It measures before the screen light filling event of taking pictures is triggered, obtains environmental light brightness;Correspondingly, the first image capture module may be used also Including screen intensity determination unit and light filling unit, wherein screen intensity determination unit, for true according to the environmental light brightness Determine screen intensity;Light filling unit is mended for controlling the screen with the screen intensity and the target screen color temperature value Light.

On the basis of the above embodiments, the camera is that front camera or current location are in mobile terminal front Rotatable camera.

Embodiment six

The embodiment of the present invention six provides a kind of mobile terminal, which is integrated with the self-timer in the embodiment of the present invention Device can be taken pictures by executing self-timer method to carry out light filling.

Illustratively, the mobile terminal in the present embodiment concretely match by mobile phone, tablet computer and digital camera etc. It is equipped with the terminal device of display screen.

When user is taken pictures using the mobile terminal in the present embodiment, the skin of facial image in the case of light filling for the first time When colour of skin temperature value is undesirable, that is to say, that face complexion and desired skin tone are there are when deviation, and mobile terminal by adjusting again Whole suitable screen color temp realizes the secondary light filling to face in viewfinder range, and face can obtain better light filling effect at this time Fruit, captured to take a picture certainly, facial image colour of skin effect is ideal, can be effectively improved self-timer photographic quality, promote user's body It tests.

The self-timer and mobile terminal provided in above-described embodiment can be performed it is provided by any embodiment of the invention from Shooting method has and executes the corresponding functional module of this method and beneficial effect.The not technology of detailed description in the above-described embodiments Details, reference can be made to self-timer method provided by any embodiment of the invention.

Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (13)

1. a kind of self-timer method characterized by comprising
When monitoring that the screen light filling event of taking pictures is triggered, screen is controlled with default screen color temp value and carries out light filling, and controls and takes the photograph As head captures the first image;
Judge whether the current skin color temperature value for the facial image for including in the first image is in pre-set skin reference color temperature Within, if it is not, then determining target screen color temperature value according to the current skin color temperature value and purported skin color temperature value;Wherein, root It presets different pre-set skin reference color temperature options in the terminal according to environment, the default skin is therefrom selected by user Skin reference color temperature;The purported skin color temperature value is within the pre-set skin reference color temperature;
It controls the screen and light filling is carried out with the target screen color temperature value, and control the camera and capture the second image;
It is generated according to second image and is taken a picture certainly;
Wherein, target screen color temperature value is determined according to the current skin color temperature value and purported skin color temperature value, comprising:
Calculate the current skin-color temperature difference of the current skin color temperature value and purported skin color temperature value;
Target screen color temperature difference value is determined according to the current skin-color temperature difference;
Target screen color temperature value is determined according to the target screen color temperature difference value and the default screen color temp value.
2. the method according to claim 1, wherein the facial image for including in the judgement the first image Current skin color temperature value whether be within pre-set skin reference color temperature, if it is not, then true according to the current skin color temperature value Set the goal screen color temp value, further includes:
It takes a picture certainly if so, being generated according to the first image.
3. the method according to claim 1, wherein the facial image for including in the judgement the first image Current skin color temperature value whether be within pre-set skin reference color temperature, comprising:
The human face region in the first image is obtained by recognition of face;
Obtain the current skin color temperature value of the facial image in the human face region;
Judge whether the current skin color temperature value is within pre-set skin reference color temperature.
4. the method according to claim 1, wherein before monitoring that the screen light filling event of taking pictures is triggered, Further include:
Pre-establish the difference corresponding relationship of screen color temp difference Yu skin-color temperature difference;
Correspondingly, described determine target screen color temperature difference value according to the current skin-color temperature difference, comprising:
The corresponding target screen color temperature difference value of the current skin-color temperature difference is determined according to the difference corresponding relationship.
5. method according to claim 1-4, which is characterized in that monitoring that screen light filling event of taking pictures is touched Before hair, further includes:
Obtain environmental light brightness;
Correspondingly, the control screen carries out light filling with the target screen color temperature value, comprising:
Screen intensity is determined according to the environmental light brightness;
It controls the screen and light filling is carried out with the screen intensity and the target screen color temperature value.
6. method according to claim 1-4, which is characterized in that the camera is for front camera or currently Position is in the positive rotatable camera of mobile terminal.
7. a kind of self-timer characterized by comprising
First image capture module, for when monitoring that the screen light filling event of taking pictures is triggered, controlling screen to preset screen Color temperature value carries out light filling, and controls camera and capture the first image;
Judgment module, for judging whether the current skin color temperature value for the facial image for including in the first image is in default Within the scope of skin colour temperature;Wherein, different pre-set skin reference color temperature options is preset in the terminal according to environment, The pre-set skin reference color temperature is therefrom selected by user;
Target screen color temp determining module, the facial image for judging to include in the first image in the judgment module Current skin color temperature value when being not within pre-set skin reference color temperature, according to the current skin color temperature value and purported skin Color temperature value determines target screen color temperature value;The purported skin color temperature value is within the pre-set skin reference color temperature;
Second image capture module carries out light filling for controlling the screen with the target screen color temperature value, and described in control Camera captures the second image;
From generation module of taking a picture, take a picture certainly for being generated according to second image;
Wherein, the target screen color temp determining module includes:
Skin-color temperature difference computing unit, for calculating the current skin of the current skin color temperature value and purported skin color temperature value Colour temperature difference;
Target screen color temperature difference value determination unit, for determining target screen color temperature difference according to the current skin-color temperature difference Value;
Target screen color temperature value determination unit, for true according to the target screen color temperature difference value and the default screen color temp value Set the goal screen color temp value.
8. device according to claim 7, which is characterized in that described to be also used to from generation module of taking a picture:
The judgment module judge the facial image for including in the first image current skin color temperature value be not in it is pre- If when within the scope of skin colour temperature, being generated according to the first image and being taken a picture certainly.
9. device according to claim 7, which is characterized in that the judgment module includes:
Human face region acquiring unit, for obtaining the human face region in the first image by recognition of face;
Current skin colour temperature acquiring unit, for obtaining the current skin color temperature value of the facial image in the human face region;
Judging unit, for judging whether the current skin color temperature value is within pre-set skin reference color temperature.
10. device according to claim 7, which is characterized in that further include:
Difference corresponding relation building module, for pre-establishing screen before monitoring that the screen light filling event of taking pictures is triggered The difference corresponding relationship of colour temperature difference and skin-color temperature difference;
Correspondingly, the target screen color temperature difference value determination unit is specifically used for:
The corresponding target screen color temperature difference value of the current skin-color temperature difference is determined according to the difference corresponding relationship.
11. according to the described in any item devices of claim 7-10, which is characterized in that further include:
Environmental light brightness obtains module, for obtaining environmental light brightness before monitoring that the screen light filling event of taking pictures is triggered;
Correspondingly, the first image capture module includes:
Screen intensity determination unit, for determining screen intensity according to the environmental light brightness;
Light filling unit carries out light filling for controlling the screen with the screen intensity and the target screen color temperature value.
12. according to the described in any item devices of claim 7-10, which is characterized in that the camera is front camera or works as Front position is in the positive rotatable camera of mobile terminal.
13. a kind of mobile terminal, which is characterized in that the mobile terminal is integrated with as described in claim 7-12 any one Self-timer.
CN201610086356.0A 2016-02-15 2016-02-15 A kind of self-timer method, device and mobile terminal CN105744174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610086356.0A CN105744174B (en) 2016-02-15 2016-02-15 A kind of self-timer method, device and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610086356.0A CN105744174B (en) 2016-02-15 2016-02-15 A kind of self-timer method, device and mobile terminal

Publications (2)

Publication Number Publication Date
CN105744174A CN105744174A (en) 2016-07-06
CN105744174B true CN105744174B (en) 2019-03-08

Family

ID=56245137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610086356.0A CN105744174B (en) 2016-02-15 2016-02-15 A kind of self-timer method, device and mobile terminal

Country Status (1)

Country Link
CN (1) CN105744174B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106254788A (en) * 2016-07-21 2016-12-21 努比亚技术有限公司 A kind of mobile terminal and control method
CN106161982A (en) * 2016-08-03 2016-11-23 努比亚技术有限公司 A kind of method of light filling and terminal
CN106161906B (en) * 2016-08-31 2019-03-01 维沃移动通信有限公司 A kind of photographic method and mobile terminal
CN108090405B (en) * 2016-11-23 2020-08-14 腾讯科技(深圳)有限公司 Face recognition method and terminal
CN106604010A (en) * 2016-12-15 2017-04-26 北京小米移动软件有限公司 Method and device for controlling lighting of screen
CN106791473A (en) * 2017-01-20 2017-05-31 深圳市金立通信设备有限公司 A kind of imaging method and terminal
CN106899768A (en) * 2017-03-22 2017-06-27 广东小天才科技有限公司 A kind of terminal photographic method and device
CN107609514A (en) * 2017-09-12 2018-01-19 广东欧珀移动通信有限公司 Face identification method and Related product
CN107846554B (en) * 2017-10-31 2020-09-01 努比亚技术有限公司 Image processing method, terminal and computer readable storage medium
CN107809599B (en) * 2017-11-16 2020-02-18 维沃移动通信有限公司 Light supplementing method and device and mobile terminal
CN108764044A (en) * 2018-04-25 2018-11-06 维沃移动通信有限公司 A kind of light compensation method, device and mobile terminal
CN109005360A (en) * 2018-06-11 2018-12-14 北京小米移动软件有限公司 Light compensation method, device and the computer readable storage medium of shooting environmental

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI459107B (en) * 2011-12-16 2014-11-01 Altek Corp Voltage-controlled light diffusing module, and flash module based on face information
CN103312986A (en) * 2013-06-08 2013-09-18 康佳集团股份有限公司 Mobile terminal based front photographing fill light method and mobile terminal
KR20150094934A (en) * 2014-02-12 2015-08-20 삼성전자주식회사 Flash device, apparatur and method for photographing image
CN104320578B (en) * 2014-10-22 2018-07-10 厦门美图之家科技有限公司 A kind of method that self-timer sheen compensation is carried out based on screen intensity
CN104581099B (en) * 2014-12-04 2018-03-02 广东欧珀移动通信有限公司 A kind of image pickup method and terminal
CN104967776B (en) * 2015-06-11 2018-03-27 广东欧珀移动通信有限公司 One kind is taken pictures method to set up and user terminal

Also Published As

Publication number Publication date
CN105744174A (en) 2016-07-06

Similar Documents

Publication Publication Date Title
US10491834B2 (en) System and method for generating a digital image
USRE47960E1 (en) Methods and devices of illuminant estimation referencing facial color features for automatic white balance
CN104581099B (en) A kind of image pickup method and terminal
CN106973278B (en) A kind of automatic white balance device and method with reference to face color character
CN105744176B (en) A kind of screen light compensation method, device and mobile terminal
US8913156B2 (en) Capturing apparatus and method of capturing image
US8526683B2 (en) Image editing apparatus, method for controlling image editing apparatus, and recording medium storing image editing program
CN104717432B (en) Handle method, image processing equipment and the digital camera of one group of input picture
JP4236433B2 (en) System and method for simulating fill flash in photography
CN105554413B (en) A kind of screen light filling photographic method, device and mobile terminal
US8416302B2 (en) Low-light imaging augmented with non-intrusive lighting
JP5512928B2 (en) Method and apparatus for aesthetically enhanced image conversion
US8339506B2 (en) Image capture parameter adjustment using face brightness information
US7920205B2 (en) Image capturing apparatus with flash device having an LED array
JP3927995B2 (en) Image display control apparatus, image display control method, and imaging apparatus
CN105827995B (en) Automatic explosion method and system based on histogram
US8803994B2 (en) Adaptive spatial sampling using an imaging assembly having a tunable spectral response
US7027662B2 (en) Method and apparatus for the removal of flash artifacts
CN104113688B (en) A kind of image processing method and its electronic equipment
JP4983962B2 (en) Image processing apparatus, image processing method, and image processing program
EP3105713B1 (en) System and method for generating a digital image
US8237809B2 (en) Imaging camera processing unit and method
US10397486B2 (en) Image capture apparatus and method executed by image capture apparatus
US8847972B2 (en) Adapting display color for low luminance conditions
JP4266461B2 (en) Color illumination color temperature detection method and apparatus

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
CB02 Change of applicant information

Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong

Applicant after: OPPO Guangdong Mobile Communications Co., Ltd.

Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong

Applicant before: Guangdong OPPO Mobile Communications Co., Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant